WO2006059454A1 - 情報処理装置 - Google Patents
情報処理装置 Download PDFInfo
- Publication number
- WO2006059454A1 WO2006059454A1 PCT/JP2005/020266 JP2005020266W WO2006059454A1 WO 2006059454 A1 WO2006059454 A1 WO 2006059454A1 JP 2005020266 W JP2005020266 W JP 2005020266W WO 2006059454 A1 WO2006059454 A1 WO 2006059454A1
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- WIPO (PCT)
- Prior art keywords
- information processing
- unit
- processing apparatus
- communication
- antenna
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
- H04B13/005—Transmission systems in which the medium consists of the human body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/41—Detecting, measuring or recording for evaluating the immune or lymphatic systems
- A61B5/411—Detecting or monitoring allergy or intolerance reactions to an allergenic agent or substance
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/681—Wristwatch-type devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6822—Neck
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0242—Operational features adapted to measure environmental factors, e.g. temperature, pollution
Definitions
- the present invention relates to an information processing apparatus that performs various types of information processing, and more particularly to an information processing apparatus as a wearable device having a mounting portion that surrounds a part of a living body.
- wireless communication As communication using such wearable devices, wireless communication, infrared communication, and the like are generally used. When such wireless communication is performed, electromagnetic waves can diffuse into the surrounding space and data leakage can occur, resulting in a problem that the security level is lowered.
- Patent Document 1 JP-A-7-170215 (first page, Fig. 1)
- Patent Document 2 Japanese Unexamined Patent Publication No. 2003-37566 (Page 1, Figure 1)
- the present invention has been made in view of the above-described problems in the prior art, and does not require contact of electrodes with the surface of a living body when wearing with less diffusion of data into the surrounding space, thereby improving transmission efficiency.
- An information processing unit that performs various types of information processing, a mounting unit that makes it possible to mount the information processing unit on the living body by surrounding a part of the living body, and the mounting unit.
- the antenna unit acting as a loop antenna or a dipole antenna and the data processed by the information processing unit are transmitted to the external device via the antenna unit, or the external device force is received via the antenna unit.
- a communication unit that performs wireless communication by supplying data to the information processing unit.
- a sensor that detects biological information related to the living body or surrounding environmental information is provided, and the biological information or environmental information detected by the sensor is processed by the information processing unit. 4. The information processing apparatus according to claim 1, wherein the information processing apparatus is transmitted to an external device via the communication unit and the antenna unit.
- the information processing unit is attached to the living body because the mounting unit provided with the antenna portion surrounds a part of the living body.
- the processed data is transmitted to the external device via the antenna unit, or the external device power is received via the antenna unit, and the received data is supplied to the information processing unit, and wireless communication with the external device is performed. Executed.
- the information processing apparatus is attached to the living body as a wearable device by surrounding the part of the living body with the mounting portion, and a dipole antenna or a loop antenna provided on the mounting portion is provided. Since wireless communication is performed with an external device via an external device, there is no need for electrode contact with the living body surface during mounting, and radio waves propagate near the living body surface where the mounting portion is mounted. Communication with excellent transmission efficiency with less diffusion to the surrounding space.
- the mounting portion provided with the antenna portion is configured in a closed annular state.
- the annular mounting part surrounds the living body and is attached to the living body as an information processing apparatus power S wearable device, and wirelessly communicates with an external device via a dipole antenna or a loop antenna provided in the annular mounting part. Since communication is performed, radio waves propagate near the surface of the living body on which the mounting part is mounted, so that communication with excellent transmission efficiency is achieved with less diffusion of data into the surrounding space.
- the mounting portion provided with the antenna portion is configured by either a U-shaped member, a C-shaped member, or a U-shaped member.
- U-shape The information processing device is attached to the living body as a wearable device by the member, the C-shaped member, or the mounting portion of the U-shaped member surrounding the living body, and externally via a dipole antenna provided on the annular mounting portion. Since wireless communication is performed with the device, radio waves propagate near the surface of the living body on which the mounting part is mounted, so that communication with excellent transmission efficiency is achieved with less diffusion of data into the surrounding space.
- the senor includes a sensor that detects biological information about the living body or surrounding environmental information, and the detected biological information or environmental information is processed by the information processing unit to perform communication. Is transmitted to the external device via the antenna unit and the antenna unit.
- the information processing apparatus is attached to the living body as a wearable device because the mounting portion surrounds a part of the living body, and the biological information on the living body detected by the sensor at that time or the surrounding environment information Is processed by the information processing unit and transmitted to the external device via the communication unit and the antenna unit.
- the radio wave propagates near the surface of the living body on which the mounting portion is mounted, various data including biological information and environmental information are not diffused to the surrounding space, and communication is performed with excellent transmission efficiency.
- the information processing apparatus is attached to the living body as a wearable device because the mounting portion surrounds a part of the living body, and is attached to the same living body at that time. Data is transmitted between other information processing apparatuses.
- the antenna unit is built in the mounting part, and radio waves propagate near the surface of the living body on which the mounting part is mounted, so that various data can be transferred between multiple information processing devices mounted on the same living body. Communication is performed with excellent transmission efficiency.
- the information processing unit is incorporated in any one of a wristwatch, a head mounted display, a headphone, a digital camera, and various portable terminal devices. It is attached to.
- any one of a wristwatch, a head mounted display, a headphone, a digital camera, and various portable terminal devices constitutes an information processing device with a built-in information processing unit, and is attached to a living body as a wearable device.
- wireless communication is performed with an external device via a dipole antenna or a loop antenna provided in the mounting portion, it is not necessary to contact the electrode with the surface of the living body during mounting. Because radio waves propagate near the surface of the living body where the mounting part is mounted, communication with excellent transmission efficiency is achieved with less diffusion of data into the surrounding space.
- FIG. 1 is a block diagram showing a schematic configuration of an information processing apparatus 100 according to an embodiment of the present invention
- FIG. 2 is an explanatory diagram showing an external configuration of an application example of the information processing apparatus 100 according to the embodiment of the present invention.
- FIG. 3 is a block diagram showing a schematic configuration of a communication unit 160 that is a main part of the information processing apparatus 100 according to the embodiment of the present invention.
- FIG. 4 is a block diagram showing another example of a schematic configuration of a communication unit 160 that is a main part of the information processing apparatus 100 according to the embodiment of the present invention.
- FIG. 5 is a flowchart showing an operation state of the information processing apparatus 100 according to the embodiment of the present invention.
- FIG. 6 is a state transition diagram showing an operation state at the time of a communication start request of the information processing apparatus 100 according to the embodiment of the present invention.
- FIG. 7 is a state transition diagram showing an operation state at the time of data communication of the information processing apparatus 100 according to the embodiment of the present invention.
- FIG. 8 is a state transition diagram showing an operation state when data communication is completed in the information processing apparatus 100 according to the embodiment of the present invention.
- FIG. 9 is an explanatory diagram showing an external appearance when the information processing apparatus 100 according to the embodiment of the present invention is used.
- FIG. 10 is an explanatory diagram showing an appearance of the information processing apparatus 100 according to the embodiment of the present invention and an arrangement state of the antenna unit.
- FIG. 11 is an explanatory diagram showing an external appearance when the information processing apparatus 100 according to the embodiment of the present invention is used.
- FIG. 12 is an explanatory diagram showing an appearance and an arrangement state of the antenna unit when the information processing apparatus 100 according to the embodiment of the present invention is used.
- the information processing apparatus 100 shown in FIG. 1 is attached to a living body as a wearable device by surrounding a part of the living body with a mounting unit provided with an antenna unit, and in this state, data processed by the information processing unit is an antenna.
- the data transmitted to the external device via the unit or received from the external device via the antenna unit is supplied to the information processing unit and has a function of performing wireless communication with the external device. Yes.
- the external device is another wearable device or a fixed device.
- the wearable device refers to a device that can be worn on a living body such as a human body, such as a wristwatch, a head-mounted display, headphones, a digital camera, and various portable terminal devices that are not limited to dedicated devices. This includes the case where it is built in any device.
- an information processing apparatus 100 as a wearable device includes a control unit 101, a power supply unit 110, an operation unit 120, a display unit 130, a memory 140, a sensor as main components. Part 150, communication part 160, mounting part 170, antenna part 180, and sensor part 150.
- the information processing apparatus 100 includes an external power supply terminal 111, a sensor detection unit 151, and a communication terminal 161.
- the control unit 101 is configured by a CPU (Central Processing Unit), a ROM (Read Only Memory), or the like (not shown), and performs various controls and various types of operations in cooperation with various programs stored in the ROM. Execute the process.
- the control unit 101 constitutes an information processing unit that performs various types of information processing by performing wireless communication with other devices (external devices) as the information processing apparatus 100.
- the power supply unit 110 includes a battery or a rechargeable battery and a booster circuit or a constant voltage circuit, and supplies power to each unit.
- the power supply unit 110 is charged by an external power supply supplied from an external power supply terminal 111 provided on the surface of the casing of the information processing apparatus 100.
- the operation unit 120 includes various function buttons, various knobs, icons on a display unit to be described later, and the like, and outputs an operation signal corresponding to a user operation to the control unit 101. Alternatively, the control unit 101 reads the operation state of the user on the operation unit 120.
- the display unit 130 includes a flat panel display such as a liquid crystal display (LCD) and an organic EL (ElectroLuminescence), and displays various statuses 1 based on instructions from the control unit 101.
- a flat panel display such as a liquid crystal display (LCD) and an organic EL (ElectroLuminescence), and displays various statuses 1 based on instructions from the control unit 101.
- the assist display for the operation input in the operation unit 120 described above is performed.
- the memory 140 is configured by a volatile memory such as SRAM (Static Random Access Memory) or SDRAM (Synchronous Dynamic Random Access Memory), or a non-volatile memory such as FLASHROM, EEPROM, FRAM, or the like.
- the memory 140 stores various setting data of the information processing apparatus 100, various data regarding information processing, and the like.
- the sensor unit 150 is a sensor serving as a detection unit that detects biological information related to a living body on which the information processing apparatus 100 is mounted, or surrounding environmental information, and includes a sensor detection unit 151.
- the biological information or environmental information detected by the sensor unit 150 is processed by the information processing unit (control unit 101) and transmitted to an external device via a communication unit and an antenna unit described later.
- the communication unit 160 transmits data processed by the information processing unit (control unit 101) to an external device via an antenna unit described later, or receives data of an external device via the antenna unit. Is supplied to the information processing unit (control unit 101) to perform wireless communication.
- the communication unit 160 transmits data processed by the information processing unit (control unit 101) to an external device via a communication terminal 161 via a wired connection or the like, or via a communication terminal 161.
- External device power Communication is performed by supplying data received by wired communication to the information processing unit (control unit 101).
- the communication terminal 161 and the external power supply terminal 111 may be configured integrally, and communication and external power supply may be performed via the same connection cable or the same cradle.
- the antenna unit 180 is formed as a loop antenna or a dipole antenna in a mounting unit, which will be described later, and is a transmission antenna for performing wireless communication between the communication unit 160 and an external device. It is a tena or a receiving antenna or a transmitting / receiving antenna. It is desirable that the antenna unit 180 is configured to be tuned to the frequency of the radio wave used for wireless communication.
- the mounting unit 170 is a means that allows the information processing apparatus 100 to be mounted on the living body by surrounding a part of the living body (human body). , Neckband, wristband, hand strap, neck strap, ring, etc.
- the antenna unit 180 is formed inside or on the surface of the mounting unit 170 or as the mounting unit 170 itself.
- the main body portion 100A of the information processing apparatus 100 (excluding the mounting portion 170 and the antenna portion 180) is added to the base portion. ) And the annular part of the ring is used as the mounting part 170.
- the annular portion of the ring is made of metal, it can be used as the antenna portion 170 as it is.
- the main body 100A of the information processing apparatus 100 (excluding the mounting portion 170 and the antenna portion 180) A) is attached to a mounting part 170 such as a necklace or a neck strap. Then, the antenna unit 180 is arranged inside or on the surface of the necklace or neck strap.
- the main body 100A of the information processing apparatus 100 (the part excluding the mounting part 170 and the antenna part 180) is removed. Attach it to a mounting part 170 such as a watch belt. Then, the antenna portion 180 is disposed inside or on the surface of the watch belt.
- the mounting portion 170 is not limited to a closed annular shape as in the above specific example, but may be a U-shaped member, a C-shaped member, or a U-shaped member. It may consist of
- the external device not shown may be the same or the same type of wearable device, or may be any of various devices and various devices capable of wireless communication with the information processing apparatus 100. .
- communication unit 160 including reception unit 1610 and transmission unit 1620 will be described.
- the control unit 1601 includes a CPU (Central Processing Unit) and a ROM (Read Only) (not shown).
- CPU Central Processing Unit
- ROM Read Only
- this control unit 1601 may be shared by the control unit 101 of the information processing apparatus 100.
- the power supply unit 1602 includes a battery, a rechargeable battery, a booster circuit, and a constant voltage circuit, and supplies power to each unit of the communication unit 160.
- the power supply unit 1602 may be shared by the power supply unit 110 of the information processing apparatus 100.
- the memory 1603 includes a volatile memory such as SRAM (Static Random Access Memory) or SDRAM (Synchronous Dynamic Random Access Memory), or a non-volatile memory such as FLASHROM, EEPROM, FRAM, and the like. Stores setting data and various data related to transmission / reception and information processing. Note that the memory 1603 may also be used as the memory 140 of the information processing apparatus 100.
- SRAM Static Random Access Memory
- SDRAM Synchronous Dynamic Random Access Memory
- non-volatile memory such as FLASHROM, EEPROM, FRAM, and the like.
- the tuning circuit 1605 is constituted by a resonance circuit and an impedance matching circuit, and functions as a kind of filter that tunes to the frequency of radio waves to be transmitted and received. Also, there is a function of impedance matching with the antenna unit 180 arranged so as to surround a part of the living body.
- the oscillation unit 1607 generates a carrier wave signal used in the transmission unit and a local oscillation signal used for frequency conversion and demodulation in the reception unit according to the control of the control unit 1601.
- the transmission / reception switcher 1608 switches between using the antenna unit 180 for transmission and using it for reception based on the control of the control unit 1601.
- 1610 is a receiving unit that receives radio waves from other devices (external devices) via the antenna unit 180, a receiving amplifier 1612 that performs high-frequency amplification, and a band that limits the frequency band around the frequency of the received signal. It has a pass filter 1613 and a demodulator 1614 that demodulates the received signal by a predetermined detection method and extracts data. Data (received data) extracted from the received signal by demodulator 1614 is supplied to control section 1601.
- Reference numeral 1620 denotes a transmission unit that transmits radio waves to another device (external device) via the antenna unit 180, and a carrier signal is converted into a predetermined modulation method by data (transmission data) to be transmitted from the control unit 1601.
- a modulator 1621 that modulates the transmission signal to generate a transmission signal, a bandpass filter 1622 that limits the frequency band around the frequency of the transmission signal, and a transmission amplifier 1623 that performs high-frequency power amplification.
- Transmission data from the control unit 1601 is converted into a transmission signal by modulation, power amplified, and transmitted from the antenna unit 180 to an external device.
- the antenna unit 180 it is also possible to separate the antenna unit 180 into a receiving antenna 180a and a transmitting antenna 180b.
- the receiving antenna 180a is connected to the tuning circuit 1611 of the receiving unit 1610.
- the subsequent reception process is the same as in FIG.
- the transmission antenna 180b is connected to the tuning circuit 1624 of the transmission unit 1620.
- the transmission process up to that point is the same as in FIG. In this case, a transmission / reception switch is not required.
- the communication unit 160 may include a receiving unit 1610 and a transmitting unit 1620 as separate circuits, and each may have a control unit and memory. Furthermore, in the communication unit 160, it is possible to provide only a necessary circuit for only one of the reception unit 1610 and the transmission unit 1620.
- FIG. 5 shows a control state by the control unit 101 when the information processing apparatus 100 performs wireless communication with another device (external device).
- the external device with which the information processing apparatus 100 performs wireless communication is another wearable device having a communication function or a fixed device having a communication function.
- the control unit 101 operates according to an operation program as a wearable device, and monitors operation input from a user at the operation unit 120 and detection result at the sensor unit 150. Then, when it is necessary to communicate with an external device, communication with the external device is attempted according to the flowchart in FIG. II comment: II According to the state transition diagram after this, if there is no response in each of the communication start request, data communication processing, and communication completion processing II, it will be retransmitted in each II. It is. Therefore, the return destination when there is no II response in the flowchart of Figure 5 has been changed so that it does not conflict with the state transition diagram. o II
- the control unit 101 externally transmits the communication start request command from the antenna unit 180 as a high-frequency signal modulated by the communication unit 160 into a carrier wave having a predetermined frequency. Send it to the device (S1 in Fig. 5).
- the control unit 101 receives a high-frequency signal including an acknowledgment (ACK) to accept the external device power communication start request for a certain period of time after transmitting the communication start request command (ENQ).
- ACK acknowledgment
- ENQ communication start request command
- the control unit 101 stands by while the communication unit 160 receiving via the antenna unit 180 receives whether the reply is received (S2 in FIG. 5).
- the control unit 101 as the information processing unit confirms that it has been returned as a high-frequency signal of a predetermined frequency including an acknowledgment notification (AC K) to accept the communication start request from the external device during this fixed time. If not (Y in FIG. 5 S2), the control unit 101 again transmits a communication start request command from the antenna unit 180 to the external device as a high-frequency signal before starting communication with the external device. ( Figure 5S1).
- control unit 101 as the information processing unit can confirm that an acknowledgment (AC K) indicating that the communication start request has been accepted from the external device has been returned as a high-frequency signal during this fixed time (see FIG. N in 5S2)
- the control unit 101 starts data communication with an external device according to a predetermined communication procedure (S3 in FIG. 5).
- the data communication is continued until the necessary data communication is completed between the information processing apparatus 100 and the external device.
- control unit 101 as the information processing unit executes data communication end processing to end the routine processing. ( Figure 5S5).
- the mounting unit 170 surrounds a part of the living body, so that the information processing apparatus 100 is mounted on the living body as a portable device, and the dipole antenna provided in the mounting unit 170 or Since wireless communication is performed with an external device via the antenna unit 180 as a loop antenna, it is not necessary to contact the electrode surface with the living body surface during mounting, and the living body surface on which the mounting unit 170 is mounted Because radio waves propagate in the vicinity, communication with excellent transmission efficiency is achieved with less diffusion of data into the surrounding space.
- radio waves propagate near the surface of the living body on which the mounting unit 170 is mounted, and wireless communication is performed with an external device. Communication with low power becomes possible. For this reason, the effect of reducing the power consumption of the information processing apparatus 100 can be obtained.
- the control unit 101 of the information processing apparatus 100 starts processing a communication start request from the initial state of Fig. 6 (1), and transmits a communication start request command (ENQ transmission) for a certain period of time. In the meantime, wait for an acknowledgment (ACK) to accept the communication start request from the external device, and wait (ACK wait).
- ENQ transmission a communication start request command
- ACK acknowledgment
- control unit of the external device cannot receive (ENQ) a high-frequency signal including a communication start request command from information processing apparatus 100, or demodulates the received high-frequency signal. If the communication start request command cannot be demodulated correctly, it is determined that reception is not possible, and NAK (a negative response indicating that the data could not be received correctly) is set as a high-frequency signal with a predetermined frequency. (NAK transmission).
- the control unit 101 sends the communication start request command to the antenna unit as a high frequency signal having a predetermined frequency. Resend from 180 (ENQ resend).
- control unit of the external device can receive the high-frequency signal from information processing apparatus 100 and demodulate the communication start request command (ENQ reception), it determines that the command has been received correctly, and the external device When the receiver is ready, it modulates with an ACK (a command that the receiving station sends to the transmitting station to correctly receive all transmitted data and inform it that it is ready to receive the next data).
- ACK a command that the receiving station sends to the transmitting station to correctly receive all transmitted data and inform it that it is ready to receive the next data.
- the transmitted high frequency signal is transmitted to the information processing apparatus 100 (ACK transmission).
- control unit 101 of information processing apparatus 100 can receive a high-frequency signal from an external device and demodulate ACK (ACK reception), communication is established with the external device side, and Judge that the device is ready, and send the high-frequency signal modulated by the data request command to the external device (data request transmission).
- control unit of the external device cannot receive a high-frequency signal including a data request command from the information processing apparatus 100 (data request reception), or demodulates the received high-frequency signal to request a data request. If the command cannot be demodulated correctly, it is determined that the command has not been received normally, and N AK (a negative response indicating that the data could not be received correctly) is sent to the information processing apparatus 100 as a high frequency signal of a predetermined frequency. (NAK transmission).
- the control unit 101 retransmits the data request command from the antenna unit 180 as a high frequency signal of a predetermined frequency in the communication unit 160 (data request retransmission).
- control unit of the external device can receive the high-frequency signal from information processing apparatus 100 and demodulate the data request command (data request reception), it determines that it has been received correctly, and ACK (command sent by the receiving station to the sending station to indicate that it has received all transmitted data correctly and is ready to receive the next data)
- ACK command sent by the receiving station to the sending station to indicate that it has received all transmitted data correctly and is ready to receive the next data
- the modulated high-frequency signal is transmitted to the information processing apparatus 100 (ACK transmission).
- control unit 101 of information processing apparatus 100 can receive a high-frequency signal from an external device and demodulate ACK (ACK reception), communication related to the data request is established with the external device side, Also, it is determined that the external device is ready for the data request, and a high-frequency signal including an EOT (End of Transmission) that is a bit or character string indicating the end of the communication request start process is received. Then, the data is transmitted from the antenna unit 180 to the external device (EOT transmission), and the processing of the communication start request is terminated ((3) in FIG. 6).
- EOT End of Transmission
- control unit of the external device can receive the high-frequency signal from information processing device 100 and demodulate EO T (receive EOT), the processing of the communication start request with information processing device 100 is completed.
- the communication start request processing is terminated (FIG. 6 (4)).
- the external device that has completed the above-described communication start request processing in (Fig. 6 (4)) first starts the data communication processing from the initial state of Fig. 7 (5), and becomes the receiving terminal here.
- a command ENQ for confirming whether the information processing apparatus 100 is ready to receive the next data is transmitted to the information processing apparatus 100 side as a high frequency signal of a predetermined frequency (ENQ transmission). Then, wait for a ready notification (ACK) from the information processing device 100 within a certain period of time after sending the ENQ! /, Ru (waiting for ACK).
- the information processing apparatus 100 that has completed the above-described communication start request processing in (Fig. 6 (3)) first starts the initial state data communication processing of Fig. 7 (6), and the external device power ENQ. If it is not possible to receive high-frequency signals including ENQ (or receive ENQ), or if the received high-frequency signal cannot be demodulated to correctly demodulate ENQ, it is determined that reception is not possible, and NAK ( A negative response indicating that it has been transmitted) is transmitted as a high-frequency signal of a predetermined frequency from the antenna unit 180 to an external device (NAK transmission).
- NAK A negative response indicating that it has been transmitted
- the external device Retransmits the ENQ as a high-frequency signal of a predetermined frequency (ENQ retransmission).
- the control unit 101 of the information processing apparatus 100 can receive a high-frequency signal from an external device and demodulate the ENQ (ENQ reception), it is determined that the communication from the external device has been correctly received.
- ACK acknowledges that all transmitted data has been received correctly and is ready to receive the next data.
- the high-frequency signal modulated by the command sent to the transmitting station is transmitted from the antenna unit 180 to the external device (ACK transmission). Then, the control unit 101 of the information processing apparatus 100 waits for the external device side force to start data communication (data waiting).
- the external device can receive the high-frequency signal from information processing apparatus 100 and demodulate ACK (ACK reception), data communication is established with information processing apparatus 100, and the information processing apparatus It is determined that 100 is ready and data communication is started (data transmission). That is, a high frequency signal having a predetermined frequency modulated with data is transmitted to the information processing apparatus 100 side.
- control unit 101 of the information processing apparatus 100 cannot receive (receive data) a high-frequency signal including data from an external device, or demodulates the received high-frequency signal to correctly demodulate the data. If not, it is determined as an abnormal reception, and NAK (a negative response indicating that the data cannot be received correctly) is transmitted to the external device 100 as a high frequency signal of a predetermined frequency (NAK transmission).
- NAK a negative response indicating that the data cannot be received correctly
- the external device waits for ACK after transmitting predetermined data by data communication, and the command from the information processing device 100 obtained by demodulating the high-frequency signal received by the external device side is NAK (data If the response is a negative response indicating that the signal cannot be received correctly, the external device retransmits the data as a high-frequency signal having a predetermined frequency in the communication unit 160 (data retransmission).
- control unit of the external device receives the high-frequency signal from information processing apparatus 100 and can demodulate ACK (ACK reception), it relates to data communication with information processing apparatus 100 side. It is determined that the communication has been completed, and a high-frequency signal including a bit indicating the end of the data communication processing and a character string including EOT (End of Transmission) is sent to the information processing apparatus 100. Send (EOT send) and end this data communication process (Fig. 7 (7)
- control unit 101 of the information processing apparatus 100 receives a high-frequency signal from an external device. If the EOT can be demodulated (EOT received), it is determined that the data communication process with the external device has been completed, and the data communication process ends (Fig. 7 (8)).
- the information processing apparatus 100 that has completed the above-described data communication processing (FIG. 7 (8)) first starts with FIG.
- Initial state force Starts the data communication completion process, where the command ENQ is used to check whether the external device that is the receiving terminal is ready to receive the next command or data. Is sent to the external device as a high frequency signal (ENQ transmission). Then, it waits for a preparation completion notification (ACK) to be returned from the external device within a certain time after sending the ENQ (waiting for ACK).
- ENQ transmission a high frequency signal
- ACK preparation completion notification
- FIG. 7 (7) the external device that has finished the above-described communication start request processing in (FIG. 7 (7)) first starts with FIG.
- the initial state force of 10) also starts data communication processing, and if high-frequency signals including ENQ from the information processing device 100 cannot be received (ENQ reception), or the received high-frequency signals can be demodulated to correctly demodulate ENQ. If not, it is determined that reception is impossible, and NAK (a negative response indicating that the data cannot be received correctly) is transmitted as a high-frequency signal of a predetermined frequency from the antenna unit to the information processing apparatus 100. (NAK sending).
- the control unit 101 retransmits the data communication completion command from the antenna unit 180 as a high frequency signal of a predetermined frequency in the communication unit 160 (ENQ retransmission).
- control unit of the external device receives the high-frequency signal from information processing apparatus 100 and can demodulate the data communication completion command (ENQ reception), it determines that the command has been received correctly, and When the receiver is ready, ACK (sends the receiving station to the sending station to acknowledge that all transmitted data is received correctly and is ready to receive the next command or data.
- the high frequency signal modulated by the command is transmitted to the information processing apparatus 100 (ACK transmission).
- control unit 101 of information processing device 100 can receive a high-frequency signal from an external device and demodulate ACK (ACK reception), communication with external device side is established, and external control device 101 It is determined that the device is ready, and the high frequency signal modulated by the data communication completion command is transmitted from the antenna unit 180 to the external device (data communication completion transmission).
- control unit of the external device cannot receive a high-frequency signal including a data communication completion command from the information processing apparatus 100 (data communication completion reception), or demodulates the received high-frequency signal. If the command to complete data communication cannot be demodulated correctly, it is determined that the command has been received abnormally, and NAK (a negative response indicating that the command or data could not be received correctly) is used as a high-frequency signal with a predetermined frequency. Send to 100 (NAK sending).
- control unit 101 retransmits the data communication completion command from the antenna unit 180 as a high frequency signal of a predetermined frequency in the communication unit 160 (data communication completion retransmission).
- control unit of the external device receives the high-frequency signal from the information processing apparatus 100 and can demodulate the data communication completion command (data communication completion reception), it determines that it has been received correctly, When the external device is ready for completion of data communication, ACK (received to notify that all transmitted commands and data are correctly received and ready to receive the next command and data.
- the high-frequency signal modulated by the command transmitted from the side station to the transmission side station) is transmitted to the information processing apparatus 100 (ACK transmission).
- control unit 101 of information processing apparatus 100 can receive a high-frequency signal from an external device and demodulate ACK (ACK reception), communication related to data communication completion processing with the external device side.
- EOT End of Transmission
- the high-frequency signal including is transmitted from the antenna unit 180 to the external device (EOT transmission), and the data communication completion processing is terminated (FIG. 8 (11)). Thereafter, if the communication start request process is executed to perform the same process, the process returns to FIG. 6 (1).
- control unit of the external device receives the high-frequency signal from information processing apparatus 100 and can demodulate EOT (EOT reception), the data communication completion process with information processing apparatus 100 is completed. Judgment is made, and the data communication completion processing is terminated (FIG. 8 (12)). After that, if the communication start request process is executed to perform the same process, the process returns to FIG. 6 (2).
- FIG. 9A is an explanatory diagram showing a state in which the information processing apparatus 100 and the external device 200 are close to each other.
- the mounting unit 170 surrounds a part of the living body, so that the information processing apparatus 100 is mounted on the living body as a wearable device.
- the antenna unit 180 Since wireless communication is performed with an external device via the antenna unit 180 as a dipole antenna or loop antenna provided in the mounting unit 170, the electrode on the surface of the living body is mounted at the time of mounting. Contact is not necessary, and radio waves propagate near the surface of the living body on which the mounting part is mounted, so communication with excellent transmission efficiency is achieved with less diffusion of data into the surrounding space.
- the antenna portion 180 (broken line in Fig. 10 (a)) is used as a loop antenna as shown in Fig. 10 (a). It is possible. In addition, it is also possible to set it as a dipole antenna connected only with a loop antenna. If the mounting portion 170 of the information processing apparatus 100 is not closed, the antenna portion 180 (broken line in FIG. 10 (b)) is connected to the dipole switch as in the case of the belt-like specific example of FIG. 10 (b). It can be an antenna. Also, in the case where the mounting portion 170 is configured by a shift of a U-shaped member, a C-shaped member, or a U-shaped member, it is desirable to similarly form a dipole antenna.
- the loop antenna has a total length of 1 ⁇ in view of the wavelength ⁇ of the frequency used for transmission / reception, thereby enabling good communication.
- a dipole antenna In view of the wavelength ⁇ of the frequency used for reception, by setting the total length of ⁇ 2 (half-wave dipole antenna), good communication is possible.
- the dipole antenna can be a folded dipole antenna that uses two elements in parallel.
- a dipole antenna can be made shorter than the entire length of the mounting portion 170, it is preferable that an arbitrary frequency can be selected for a neck strap or the like.
- a loop antenna with a total length of 20 cm tunes to a frequency of 1.5 GHz, so a higher frequency than conventional ones can be used as a wearable device, and more information can be transmitted at high speed. It becomes possible to transmit.
- FIG. 9 (b) is an explanatory diagram showing a state in which the information processing apparatus 100 and another wearable device 10 () are arranged close to each other as the external device 200.
- the mounting unit The information processing apparatus 100 is attached to the living body as a wearable device by the 170 surrounding a part of the living body, and the information processing apparatus 100 ′ is also a wearable device by the mounting portion 170 ′ surrounding the part of the living body. It is attached to a living body.
- the antenna unit 180 as a dipole antenna or loop antenna provided in the mounting unit 170 and the antenna unit 18 (as a dipole antenna or loop antenna provided in the mounting unit 17 ( Because wireless communication is performed between each other, it is no longer necessary to contact the electrode with the surface of the living body during mounting, and radio waves propagate near the surface of the living body where the mounting portion is mounted. Communication with excellent transmission efficiency is achieved.
- Fig. 9 (b) is shown as a specific example in which a plurality of wireless devices communicate with each other. ⁇ Even between wearable devices attached to different parts such as hands, moon's hands, hands, feet, etc., radio waves propagate on the surface of the organism, so good communication can be made.
- ⁇ indicates the direction in which the radio wave should be propagated.
- the information processing apparatus 100 when the information processing apparatus 100 includes the sensor unit 150 and the mounting unit 170 surrounds a part of the living body, the information processing apparatus 100 is mounted on the living body as a wearable device.
- Living body information body temperature, pulse, blood pressure, oxygen saturation, blood glucose level, etc.
- surrounding environment information ambient temperature, humidity, air pressure, air component, altitude information, location information, surrounding traffic
- the above detection result is processed by the control unit 101 as the information processing unit, and is transmitted to the external device via the communication unit 160 and the antenna unit 180.
- radio waves propagate near the surface of the living body on which the mounting part is mounted, so that various data including biological information and environmental information are not diffused into the surrounding space, and communication is performed with excellent transmission efficiency. Become.
- any of the head mount display, headphones, digital camera, and various portable terminal devices has an information processing unit built-in. 100 can be configured.
- the mounting unit 170 surrounds a part of the living body (human body) so that the information processing apparatus 100 can be mounted on the living body, and various belts, eyeglasses and head mount display cranes, headbands, necks, etc. Bands, wristbands, hand straps, neck straps, etc. are applicable.
- an antenna portion 180 is formed inside or on the surface of the mounting portion 170 or as the mounting portion 170 itself.
- the wearable device is attached to the living body, and wireless communication is performed with the external device via the dipole antenna provided in the attachment portion 170 or the antenna portion 180 as a loop antenna. Therefore, it is not necessary to contact the electrode with the surface of the living body at the time of wearing, and radio waves propagate near the living body surface where the wearing portion 170 is worn. Therefore, communication with excellent transmission efficiency is performed with less diffusion of data to the surrounding space. In addition, radio waves propagate near the surface of the living body on which the mounting part 170 is mounted, and wireless communication is performed with external devices. Therefore, the data is less diffused in the surrounding space, with less power than before. Communication becomes possible, and the effect of reducing the power consumption of the information processing apparatus 100 can be obtained.
- FIG. 12 is an explanatory diagram showing a state in which the information processing apparatus 100 and the external device 200 are close to each other.
- the direction in which the radio wave is propagated is the direction in which the external device exists, that is, the direction of the fingertip of the living body.
- the antenna unit 180 has directivity, good results can be obtained. For example, by using 180a as a radiator and 180b as a reflective element, directivity can be directed to the external device 200 side, and communication with excellent transmission efficiency can be achieved with less wasteful data diffusion. In addition, because radio waves are transmitted to the external device side of the living body surface where the mounting unit 170 is mounted and wireless communication is performed with the external device, the diffusion of data to the surrounding space is small. Communication with even smaller power becomes possible, and the effect of reducing the power consumption of the information processing apparatus 100 can be obtained. The same applies when 180b is a radiator and 180a is a waveguide element.
- directivity of the antenna unit 180 is directed toward each other so that reliable communication can be performed without waste with low transmission power. It becomes possible.
- the power supply to the antenna unit 180 is switched, or the element to be used is switched among a plurality of elements prepared in advance as the antenna unit 180. It is also possible to switch the directivity. In addition, when the directivity of antenna unit 180 is switched in this way, directivity must exist. It is preferable to display the direction on the display.
- a living body human body
- a living body animal, plant
- a wearable device in a state where the transmission path is used. Is also possible.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Immunology (AREA)
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- Mobile Radio Communication Systems (AREA)
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US11/791,621 US7667657B2 (en) | 2004-11-30 | 2005-11-04 | Information processing apparatus |
JP2006547700A JP4665904B2 (ja) | 2004-11-30 | 2005-11-04 | 情報処理装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-345579 | 2004-11-30 | ||
JP2004345579 | 2004-11-30 |
Publications (1)
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WO2006059454A1 true WO2006059454A1 (ja) | 2006-06-08 |
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PCT/JP2005/020266 WO2006059454A1 (ja) | 2004-11-30 | 2005-11-04 | 情報処理装置 |
Country Status (3)
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US (1) | US7667657B2 (ja) |
JP (1) | JP4665904B2 (ja) |
WO (1) | WO2006059454A1 (ja) |
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WO2010004874A1 (ja) * | 2008-07-08 | 2010-01-14 | アルプス電気株式会社 | 電子機器および通信システム |
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JP2012514372A (ja) * | 2008-12-24 | 2012-06-21 | 韓國電子通信研究院 | 人体通信において、人体の一部をアンテナとして使用する通信システム及び方法 |
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JP2019029685A (ja) * | 2017-07-25 | 2019-02-21 | アドソル日進株式会社 | データ通信用電極、データ通信装置及びデータ通信システム |
JP2022169522A (ja) * | 2018-04-16 | 2022-11-09 | エルジー エレクトロニクス インコーポレイティド | 無線電力伝送システムにおいてデータストリームの送信を行う装置及び方法 |
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JP2020024133A (ja) * | 2018-08-07 | 2020-02-13 | トッパン・フォームズ株式会社 | 体温データ管理システム |
JP7073224B2 (ja) | 2018-08-07 | 2022-05-23 | トッパン・フォームズ株式会社 | 体温データ管理システム |
JP2021533445A (ja) * | 2018-08-13 | 2021-12-02 | ジョン、ジスJUNG, Ji Su | 非接触式近距離無線通信機能を有する金属飾り具及びその製造方法 |
JP7141069B2 (ja) | 2018-08-13 | 2022-09-22 | ジョン、ジス | 非接触式近距離無線通信機能を有する金属飾り具及びその製造方法 |
Also Published As
Publication number | Publication date |
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US20080129621A1 (en) | 2008-06-05 |
US7667657B2 (en) | 2010-02-23 |
JPWO2006059454A1 (ja) | 2008-06-05 |
JP4665904B2 (ja) | 2011-04-06 |
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