WO2011013418A1 - 位置検出装置、位置検出方法、移動体およびレシーバ - Google Patents
位置検出装置、位置検出方法、移動体およびレシーバ Download PDFInfo
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- WO2011013418A1 WO2011013418A1 PCT/JP2010/057053 JP2010057053W WO2011013418A1 WO 2011013418 A1 WO2011013418 A1 WO 2011013418A1 JP 2010057053 W JP2010057053 W JP 2010057053W WO 2011013418 A1 WO2011013418 A1 WO 2011013418A1
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- trigger signal
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- moving body
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- ultrasonic wave
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/043—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves
- G06F3/0433—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves in which the acoustic waves are either generated by a movable member and propagated within a surface layer or propagated within a surface layer and captured by a movable member
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/16—Systems for determining distance or velocity not using reflection or reradiation using difference in transit time between electrical and acoustic signals
Definitions
- the present invention relates to a position detection device, a position detection method, a moving body, and a receiver.
- a time difference (t1, t2, etc.) occurs in reception.
- the receiver first receives infrared rays, and then receives ultrasonic waves that arrive with a delay according to the propagation distance. Therefore, the time from the time when the infrared rays are received to the time when the ultrasonic waves are received is measured as the propagation time of the ultrasonic waves, and the position of the moving body is specified using the propagation time.
- each receiver cannot be identified by the receiver. Therefore, it is difficult to identify the ultrasonic wave corresponding to a certain infrared signal, and the coordinates cannot be detected normally. Furthermore, in the situation where multiple mobile units are operating simultaneously, there is a possibility that the receiver will simultaneously receive the ultrasonic waves transmitted from different mobile units, but the ultrasonic transmission signals are mixed in a burst-like waveform. In addition, it is very difficult to separate the respective ultrasonic waves, it is difficult to detect the arrival time of the respective ultrasonic waves, and it is impossible to accurately detect the position of the moving body.
- a pen input device that transmits ultrasonic waves in a time-sharing manner and simultaneously operates the pen has been proposed (for example, see Patent Document 4).
- the fixed body gives a timing signal to the pen to synchronize the clock on the fixed body side and the pen side, and the timing signal given at this time is divided for each pen. To achieve time division.
- an electromagnetic wave signal such as an infrared signal including ID information is transmitted from a fixed body (receiver), and an ultrasonic wave is transmitted only when an electromagnetic wave signal corresponding to its own ID is received on the mobile body side.
- the interval at which the electromagnetic wave signal including the ID information is transmitted is set so that the maximum range in which the coordinate input is performed is longer than the time during which the ultrasonic wave moves. As shown in FIG.
- T 8
- the time T / n allocated to one moving body needs to be determined in relation to the moving range.
- T cannot be set unnecessarily long.
- the ultrasonic propagation distance is 350 mm at the longest and the propagation time is about 1 ms. Therefore, T / n with a margin so as not to enter the time frame of another ID.
- the farthest point reaches 2 m
- the propagation time is about 7 ms
- T 20 ms
- the fixed body gives a timing signal to the moving body in advance, and the moving body and the fixed body are synchronized.
- the coordinate detection accuracy Also, errors may accumulate over time.
- the mobile body transmits a signal by transmitting either infrared rays or ultrasonic waves from the fixed body to the mobile body.
- a plurality of moving bodies can coexist, but it is necessary to transmit infrared rays or ultrasonic waves even when the moving bodies are not in use, leading to an increase in power consumption.
- the coordinates must be measured when signal transmission from the stationary body is paused and then resumed. A time delay corresponding to the period to be generated occurs.
- An object of the present invention is to solve the above-described problems and to detect a position of each moving body accurately and stably even when a plurality of moving bodies are used at the same time. It is to provide a method, a mobile and a receiver.
- the position detection device of the present invention comprises: Comprising at least one moving body that transmits and receives a trigger signal and further transmits an ultrasonic wave; and a receiver that transmits and receives the trigger signal and receives the ultrasonic wave;
- the moving body is Trigger signal transmitting means for transmitting an ultrasonic transmission request trigger signal capable of identifying the moving body; Trigger signal receiving means for receiving a trigger signal permitting ultrasonic transmission from the receiver; An ultrasonic transmission means for transmitting an ultrasonic wave immediately after receiving a trigger signal permitting the ultrasonic transmission;
- the receiver is Trigger signal receiving means for receiving a trigger signal of the ultrasonic transmission request from the moving body; Trigger signal transmitting means for transmitting a trigger signal permitting the ultrasonic transmission, which is identifiable on the mobile body side; Control means for controlling the transmission timing of the trigger signal to the mobile body; At least two ultrasonic receiving means set at predetermined intervals for receiving ultrasonic waves transmitted by the mobile body; The ultrasonic wave arrival time is detected from the received ultrasonic transmission
- the position detection method of the present invention uses the position detection device of the present invention, A trigger signal transmitting step of transmitting an ultrasonic transmission request trigger signal capable of identifying the moving body from the moving body to the receiver; A trigger signal receiving step in which the receiver receives a trigger signal of the ultrasonic transmission request from the moving body; A control step of controlling the transmission timing of a trigger signal that permits ultrasonic transmission to the moving body; A trigger signal transmitting step of transmitting a trigger signal permitting the ultrasonic transmission, the receiver being identifiable on the mobile side; A trigger signal receiving step in which the mobile body receives a trigger signal that permits ultrasonic transmission that the mobile body can identify; An ultrasonic transmission step of transmitting an ultrasonic wave to the receiver as soon as the mobile body receives a trigger signal permitting the ultrasonic transmission; and An ultrasonic wave arrival time is detected from the received ultrasonic wave, and an ultrasonic wave is transmitted from the movable body to the at least two from the time point when the trigger signal for allowing the ultrasonic wave transmission is transmitted and the detected
- the moving body of the present invention is used in the position detection device of the present invention, Trigger signal transmitting means for transmitting a trigger signal of an ultrasonic transmission request to the receiver; Trigger signal receiving means for receiving a trigger signal for allowing ultrasonic transmission from the receiver; Ultrasonic wave transmission means for transmitting an ultrasonic wave immediately after receiving the trigger signal permitting the ultrasonic wave transmission is provided.
- the receiver of the present invention is used in the position detection device of the present invention, Trigger signal receiving means for receiving a trigger signal of an ultrasonic transmission request from a moving body; Trigger signal transmitting means for transmitting a trigger signal permitting ultrasonic transmission, which is identifiable on the mobile body side; Control means for controlling the transmission timing of the trigger signal to the mobile body; At least two ultrasonic receiving means set at predetermined intervals for receiving ultrasonic waves transmitted by the mobile body; The ultrasonic wave arrival time is detected from the received ultrasonic wave, and the ultrasonic wave reaches the at least two ultrasonic wave receiving means from the moving body from the time point when the trigger signal is transmitted and the detected ultrasonic wave arrival time point. Time calculation means for calculating the ultrasonic propagation time until Position calculating means for calculating the position of the movable body based on the calculated ultrasonic propagation time and the interval length between the ultrasonic receiving means is provided.
- a position detection device capable of accurately and stably detecting the position of each moving body even when a plurality of moving bodies are used simultaneously. Can be provided.
- FIG. 1 It is a block diagram which shows the structure of an example in Embodiment 1 of the position detection apparatus of this invention. It is the figure which displayed the flow of the signal in the block diagram which shows the structure of an example in Embodiment 1 of the position detection apparatus of this invention. It is a figure which shows the position calculation method of the mobile body in Embodiment 1 of this invention in two dimensions. It is a figure which shows operation
- the position detection device the position detection method, the moving body, and the receiver of the present invention will be described in detail.
- the present invention is not limited to the following embodiments.
- the position detection device 10 includes a moving body 100, a receiver 200 installed at a predetermined position away from the moving body 100, and a display panel 300 that displays a trajectory of the movement of the moving body 100.
- the display panel 300 may be a monitor that is normally used, a large screen display such as a liquid crystal display or a plasma display, or a projection screen projected by a projector.
- the moving body 100 includes a control circuit 101, a trigger drive circuit 102, a trigger transmission unit 103, a trigger reception unit 104, a trigger detection circuit 105, an ultrasonic drive circuit 106, and an ultrasonic transmission unit 107.
- the control circuit 101 is electrically connected to the trigger drive circuit 102, the trigger detection circuit 105, and the ultrasonic drive circuit 106.
- the trigger drive circuit 102 is electrically connected to the trigger transmission unit 103.
- the trigger detection circuit 105 is electrically connected to the trigger receiver 104.
- the ultrasonic drive circuit 106 is electrically connected to the ultrasonic transmission unit 107.
- the control circuit 101, the trigger drive circuit 102, and the trigger transmission unit 103 in the present embodiment correspond to “a trigger signal transmission unit that transmits a trigger signal for an ultrasonic transmission request” in the present invention.
- the trigger receiving unit 104 and the trigger detection circuit 105 in the present embodiment correspond to “a trigger signal receiving unit that receives a trigger signal permitting ultrasonic transmission from a receiver” in the present invention.
- the control circuit 101, the ultrasonic drive circuit 106, and the ultrasonic transmission unit 107 in this embodiment correspond to “ultrasonic transmission means that transmits an ultrasonic wave immediately after receiving a trigger signal that permits ultrasonic transmission” in the present invention. To do.
- the receiver 200 includes a trigger receiving unit 201, a trigger detecting circuit 202, a control circuit 203, a trigger driving circuit 204, a trigger transmitting unit 205, ultrasonic receiving units 206-1 and 206-2, and a sampling circuit 207. -1, 207-2, a memory 208, and a data processing circuit 209.
- the trigger receiving unit 201 is electrically connected to the trigger detection circuit 202.
- the trigger detection circuit 202 and the trigger drive circuit 204 are electrically connected to the control circuit 203.
- the trigger drive circuit 204 is electrically connected to the trigger transmission unit 205.
- the ultrasonic receiver 206-1 is electrically connected to the sampling circuit 207-1
- the ultrasonic receiver 206-2 is electrically connected to the sampling circuit 207-2.
- the control circuit 203 and the sampling circuits 207-1 and 207-2 are electrically connected to the memory 208.
- the memory 208 is electrically connected to the data processing circuit 209.
- the trigger receiver 201 and the trigger detection circuit 202 in the present embodiment correspond to “trigger signal receiving means for receiving a trigger signal for an ultrasonic transmission request from a moving body” in the present invention.
- the control circuit 203, the trigger drive circuit 204, and the trigger transmission unit 205 in the present embodiment correspond to “a trigger signal transmission unit that transmits a trigger signal that permits ultrasonic transmission” in the present invention.
- the control circuit 203 in the present embodiment corresponds to “control means” in the present invention.
- the ultrasonic receiving units 206-1 and 206-2 and the sampling circuits 207-1 and 207-2 in the present embodiment correspond to “ultrasonic receiving means” in the present invention.
- the data processing circuit 209 is electrically connected to the display panel 300.
- the display panel 300 in the present embodiment corresponds to “display means” in the present invention.
- the control circuit 101 and the control circuit 203 include, for example, a central processing circuit (CPU). The control executed by the control means will be described later.
- the control circuit 101 is electrically connected with these members, for example. May be.
- the trigger transmitters 103 and 205 may use, for example, a light emitting diode when using light as a trigger signal, and use a radio wave transmitter, for example, when using radio waves as the trigger signal. Good.
- a light emitting diode when using light as a trigger signal
- a radio wave transmitter for example, when using radio waves as the trigger signal.
- the trigger receivers 104 and 201 when the notified trigger signal is light, for example, a photodiode may be used.
- the notified trigger signal is a radio wave
- a radio wave receiving antenna is used. May be used.
- the control circuit 101 outputs a signal instructing the trigger drive circuit 102 to generate a trigger signal (a1).
- the trigger drive circuit 102 generates a trigger drive signal based on the instruction signal from the control circuit 101 (a2).
- the trigger transmission unit 103 is driven by a trigger driving signal from the trigger driving circuit 102, and sends the trigger signal to space (a3).
- This trigger signal is transmitted, for example, as a radio wave or infrared signal that is an electromagnetic wave signal.
- the trigger signal transmitted from the trigger transmission unit 103 is a signal that can identify the moving body 100.
- the receiver 200 can uniquely identify the moving body by using a band-divided signal so that no overlapping occurs for each moving body 100.
- the trigger receiver 104 receives the trigger signal from the receiver 200 (c3), converts the trigger signal into an electric signal, and outputs it as a trigger pulse (d1).
- the trigger detection circuit 105 When detecting the trigger pulse from the trigger receiving unit 104, the trigger detection circuit 105 notifies the control circuit 101 (d2).
- the control circuit 101 When receiving the trigger detection notification from the trigger detection circuit 105 (d2), the control circuit 101 outputs a signal instructing the ultrasonic drive circuit 106 to generate an ultrasonic wave (d3).
- the ultrasonic drive circuit 106 generates an ultrasonic drive signal based on the instruction signal from the control circuit 101 (d4).
- the ultrasonic transmission unit 107 transmits the ultrasonic wave to the space by the drive signal from the ultrasonic drive circuit 106 (d5).
- the trigger receiving unit 201 receives a trigger signal from the moving body 100 (a3), converts the trigger signal into an electric signal, and outputs it as a trigger pulse (b1).
- the trigger detection circuit 202 detects the trigger pulse from the trigger reception unit 201, the trigger detection circuit 202 notifies the control circuit 203 including information on which mobile body it has received (b2).
- the control circuit 203 controls the transmission timing and outputs a signal instructing generation of the trigger signal to the trigger drive circuit 204 (c1-1).
- the output time of the trigger signal generation instruction signal is stored in the memory 208 as trigger output time data (c1-2).
- the trigger drive circuit 204 generates a trigger drive signal based on the instruction signal from the control circuit 203 (c2).
- the transmission timing control for example, it is confirmed whether or not an ultrasonic wave from another moving body is being received. If not, a signal instructing the trigger drive circuit 204 to generate a trigger signal is output.
- the trigger driving circuit 204 preferably generates a trigger driving signal based on the instruction signal from the control circuit 203.
- the trigger transmission unit 205 is driven by the trigger driving signal from the trigger driving circuit 204, and sends the trigger signal to the space (c3).
- This trigger signal is transmitted, for example, as a radio wave or infrared signal that is an electromagnetic wave signal.
- the same electromagnetic wave signal as the trigger signal of the moving body 100 is used.
- the trigger signal transmitted from the trigger transmission unit 205 is a signal that can be uniquely identified on the mobile body 100 side.
- the trigger signal for example, a signal that is band-divided so that no overlap occurs for each mobile object 100 can be used to uniquely identify the signal in the mobile object 100.
- the ultrasonic receiving units 206-1 and 206-2 are installed in a state of being separated from each other by a predetermined interval length, and receive ultrasonic waves transmitted from the moving body 100 (d5). Are converted into electrical signals and output to the sampling circuits 207-1 and 207-2 (e1-1, e1-2).
- Sampling circuits 207-1 and 207-2 sample the electrical signals output from the ultrasonic receivers 206-1 and 206-2 at regular intervals and sequentially store them in the memory 208 (e2-1, e2-2). .
- the data processing circuit 209 reads the ultrasonic waveform data received by each of the ultrasonic receiving units 206-1 and 206-2 stored in the memory 208 as necessary (f1), and performs filtering to obtain an ultrasonic waveform. Store in the memory 208 (f2).
- the data processing circuit 209 has a constant value set in advance from the output time of the trigger signal generation instruction signal stored in the memory 208 longer than the time during which the ultrasonic wave propagates through the maximum range (movable range) in which the moving body moves.
- the ultrasonic arrival time is detected from the ultrasonic data stored in the memory 208 of the time up to the elapsed time, and the elapsed time from the trigger output time to the ultrasonic arrival time, that is, the mobile object 100 reaches the receiver 200.
- the ultrasonic wave propagation time until the calculation is calculated for each ultrasonic wave received by each of the ultrasonic wave reception units 206-1 and 206-2.
- the data processing circuit 209 includes the ultrasonic wave propagation time from reaching the receiver 200 to the receiver 200 calculated for each ultrasonic wave received by each of the ultrasonic wave receiving units 206-1 and 206-2, Based on the distance between the sound wave receiving units 206-1 and 206-2, the position of the movable body 100 within the movable range is calculated.
- the data processing circuit 209 is electrically connected to the display panel 300, and can display the calculated position of the moving body.
- FIG. 3 is a diagram showing two-dimensionally the position calculation method between the moving body 100 and the ultrasonic receiving units 206-1 and 206-2.
- the receiver 200 is installed on the left side of the movable range of the moving body 100
- P is the position coordinate value (x, y) in the XY coordinates on the movable range of the moving body 100
- S1, S2 indicates the positions of the ultrasonic receiving units 206-1 and 206-2, respectively.
- d 1 is a distance from the moving body 100 to the ultrasonic wave receiving unit 206-1
- d 2 is a distance from the moving body 100 to the ultrasonic wave receiving unit 206-2
- D is the distance in the Y-axis direction from the origin when the center of the ultrasonic receiving units 206-1 and 206-2 is the origin of the XY coordinates.
- ⁇ represents an angle formed by a straight line connecting the moving body 100 and the ultrasonic wave receiving unit 206-1 with the Y axis.
- the propagation times of the ultrasonic waves received by the ultrasonic receivers 206-1 and 206-2 are t1 and t2, respectively, and the sound speed is A.
- triangulation is performed based on the propagation time of the ultrasonic waves received by the two ultrasonic receiving units 206-1 and 206-2 of the receiver 200 and the interval length between the ultrasonic receiving units 206-1 and 206-2.
- the position of the moving body 100 can be accurately determined by the above principle.
- the position information (x, y) of the moving body 100 calculated above is output to the display panel 300, and the position of the moving body 100 is displayed on the display panel 300 (g).
- the position detection device and the position detection method of the present embodiment can be used for an electronic pen system.
- the moving body is preferably an electronic pen.
- the position detection apparatus and position detection method of this embodiment can also be used for position detection in a robot system.
- the moving body is preferably a robot.
- the moving body 100a transmits an ultrasonic transmission request trigger signal to the receiver 200 when a position detection request is made.
- the receiver 200 Upon receiving the ultrasonic transmission request trigger signal from the moving body 100a, the receiver 200 confirms the reception state of the ultrasonic waves from the other moving body 100b. If the ultrasonic wave from the mobile body 100b is not being received, an ultrasonic transmission permission is transmitted by a trigger signal to the mobile body 100a that has received the ultrasonic transmission request. Since each mobile unit transmits an identifiable signal, the receiver can recognize which mobile unit has transmitted the signal.
- a predetermined time from the time when the trigger signal for permitting ultrasonic transmission is transmitted (the maximum range in which the moving body moves is set longer than the time during which the ultrasonic wave moves) is set as the ultrasonic wave receiving time, and the ultrasonic wave is being received. Meanwhile, ultrasonic waves are received by a microphone or the like.
- the mobile unit 100a that has received the ultrasonic transmission permission by the trigger signal transmits the ultrasonic wave.
- the receiver 200 detects the ultrasonic arrival time from the received ultrasonic wave, and calculates the ultrasonic propagation time based on the elapsed time from the time when the ultrasonic transmission permission trigger signal is transmitted.
- an ultrasonic transmission request trigger signal is received from another moving body during ultrasonic reception
- An ultrasonic transmission permission trigger signal is transmitted, and an ultrasonic wave from the moving body is received by a microphone or the like.
- two mobile units simultaneously issue an ultrasonic transmission request trigger signal one of the mobile units immediately transmits an ultrasonic wave in response to permission to transmit the ultrasonic wave, while the other mobile unit transmits the other ultrasonic wave reception time. Just wait and send the ultrasound.
- the receiver can receive the ultrasonic waves from each moving body so that they can be identified.
- each moving body repeatedly executes a series of operations such as trigger transmission / reception and ultrasonic transmission at a constant period from the time when ultrasonic transmission permission is received from the receiver at the start of detection.
- trajectory can be accurately detected with respect to several moving bodies sequentially.
- the signal which identifies a mobile body is an electromagnetic wave signal of a specific band
- the said mobile body shall be able to transmit the electromagnetic wave signal of a some specific band.
- identification signals of individual mobile bodies can be changed depending on the combination of mobile bodies used at the same time, duplication of identification signals can be avoided.
- the moving body constituting the position detection device of the present invention is an electronic pen.
- the electronic pen is an input device that detects the position of the pen tip in real time by emitting a signal from the pen tip and receiving it by a receiver.
- the trajectory may be displayed on the display panel by scanning on the display panel, or the trajectory scanned in another scanning area may be displayed on the display panel.
- FIG. 5 shows an exemplary configuration of the position detection apparatus according to the present embodiment.
- the position detection device of the present embodiment includes an electronic pen, a receiver installed at a predetermined position away from the electronic pen, and a display panel that displays a locus drawn by the electronic pen.
- the electronic pen 500 is used on the display panel 300.
- the display panel 300 may be a monitor that is normally used, a large screen display such as a liquid crystal display or a plasma display, or a projection screen projected by a projector.
- the electronic pen 500 includes a control circuit 101, a trigger drive circuit 102, a trigger transmission unit 103, a trigger reception unit 104, a trigger detection circuit 105, an ultrasonic drive circuit 106, and an ultrasonic transmission unit 107. ing. The operation of each part is the same as that described in the first embodiment.
- the trigger signal transmitted from the trigger transmission unit 103 is a signal that can uniquely identify each electronic pen 500.
- the trigger signal for example, a signal that is band-divided so as not to overlap for each electronic pen is used.
- each electronic pen When each electronic pen is in use, it sends an ultrasonic transmission request to the receiver using a trigger signal.
- the use state can be detected, for example, by providing a switch at the pen tip. This switch may be turned on when recording (pressing) on the display panel 300 is started and turned off when recording is finished. When the switch is pressed in conjunction with the press on the display panel 300 and is turned on, an ultrasonic transmission request is transmitted to the receiver 200 by a trigger signal.
- the calculated electronic pen position information and the display position on the display panel are associated with each other so that the locus can be displayed at the position corresponding to the pen tip, and the sense of actually writing with a pen. It becomes possible to operate with.
- the position of the pen tip may be detected by the method of the second embodiment described above.
- Each electronic pen repeatedly performs a series of operations such as trigger transmission / reception and ultrasonic transmission at regular intervals from the point of time when ultrasonic transmission permission is received from the receiver by a trigger signal at the start of use.
- a series of operations such as trigger transmission / reception and ultrasonic transmission at regular intervals from the point of time when ultrasonic transmission permission is received from the receiver by a trigger signal at the start of use.
- the trajectory can be sequentially drawn with high accuracy on a plurality of electronic pens.
- Multiple electronic pens can be used on the same display panel. Further, by using a plurality of the different scanning areas, it is possible to display a locus drawn using different electronic pens in the respective scanning areas on the same display panel. Trajectories drawn on the display panel and on different scanning areas can be displayed on the display panel. When using a plurality of scanning regions, it is preferable to provide an ultrasonic wave receiving unit for each scanning region.
- information on the electronic pen can be added to the trigger signal transmitted from the electronic pen.
- information necessary for drawing can be set in the electronic pen.
- the color setting is possible, and the current color information is transmitted to the receiver by a trigger signal.
- the receiver can change the color of the pen based on the information.
- a temperature sensor can be added to the electronic pen to acquire the current temperature and send it to the receiver with a trigger signal.
- the receiver can calculate a more accurate propagation time by calculating the sound speed according to the current temperature based on the information.
- the moving body constituting the position detection device of the present invention is a robot.
- the position of the robot in the space can be detected by installing the receiver on the ceiling or wall of the space. By grasping the position of the robot in space, the robot can be controlled and used for collision avoidance.
- FIG. 6 shows an exemplary configuration of the position detection apparatus according to the present embodiment.
- the position detection apparatus of the present embodiment includes a robot, a receiver installed at a predetermined position in the movement space of the robot, and a display panel that displays the movement trajectory of the robot.
- the display panel 300 may be a monitor that is normally used, a large screen display such as a liquid crystal display or a plasma display, or a projection screen projected by a projector.
- the robot 600 includes a control circuit 101, a trigger drive circuit 102, a trigger transmission unit 103, a trigger reception unit 104, a trigger detection circuit 105, an ultrasonic drive circuit 106, and an ultrasonic transmission unit 107. Yes.
- the operation of each part is the same as that described in the first embodiment.
- the receiver 200 is the same as that described in the first embodiment.
- Each robot for example, when it starts moving, transmits an ultrasonic transmission request to the receiver by a trigger signal.
- a sensor for detecting movement may be provided in the robot, the movement may be detected by the sensor, and an electrical signal may be transmitted from the sensor to the trigger drive circuit.
- This embodiment can be carried out in the same manner as in the first and second embodiments except that a robot is used as the moving body.
- a temperature sensor to the robot to acquire the current temperature and transmit it to the receiver with a trigger signal because the robot has a large moving space.
- the receiver can calculate a more accurate propagation time by calculating the sound speed according to the current temperature based on the information.
- SYMBOLS 10 Position detection apparatus 100, 100a, 100b Mobile body 101 Control circuit 102 Trigger drive circuit 103 Trigger transmission part 104 Trigger reception part 105 Trigger detection circuit 106 Ultrasonic drive circuit 107 Ultrasonic transmission part 200 Receiver 201 Trigger reception part 202 Trigger detection circuit DESCRIPTION OF SYMBOLS 203 Control circuit 204 Trigger drive circuit 205 Trigger transmission part 206-1 and 206-2 Ultrasonic wave reception part 207-1 and 207-2 Sampling circuit 208 Memory 209 Data processing circuit 300 Display panel 500 Electronic pen 600 Robot
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Abstract
Description
トリガ信号を送受信し、さらに超音波を送信する少なくとも1つの移動体と、前記トリガ信号を送受信し、前記超音波を受信するレシーバとを備え、
前記移動体が、
前記移動体を識別可能である、超音波送信要求のトリガ信号を送信するトリガ信号送信手段と、
前記レシーバから、超音波送信を許可するトリガ信号を受信するトリガ信号受信手段と、
前記超音波送信を許可するトリガ信号を受信したら直ちに超音波を送信する超音波送信手段とを備え、
前記レシーバが、
前記移動体から前記超音波送信要求のトリガ信号を受信するトリガ信号受信手段と、
前記移動体側で識別可能である、前記超音波送信を許可するトリガ信号を送信するトリガ信号送信手段と、
前記移動体へのトリガ信号の送信タイミングを制御する制御手段と、
前記移動体が送信する超音波を受信する所定間隔で設定された少なくとも2つの超音波受信手段と、
前記受信した超音波から超音波到達時点を検出し、前記トリガ信号を送信した時点と前記検出された超音波到達時点とから、超音波が前記移動体から前記少なくとも2つの超音波受信手段に到達するまでの超音波伝搬時間をそれぞれ算出する時間算出手段と、
算出した前記超音波伝搬時間と前記超音波受信手段相互の間隔長に基づいて、前記移動体の位置を算出する位置算出手段とを備えることを特徴とする。
前記移動体から前記レシーバに、前記移動体を識別可能である、超音波送信要求のトリガ信号を送信するトリガ信号送信工程と、
前記レシーバが、前記移動体から前記超音波送信要求のトリガ信号を受信するトリガ信号受信工程と、
前記移動体に超音波送信を許可するトリガ信号の送信タイミングを制御する制御工程と、
前記レシーバが、前記移動体側で識別可能である、前記超音波送信を許可するトリガ信号を送信するトリガ信号送信工程と、
前記移動体が、この移動体が識別可能な超音波送信を許可するトリガ信号を受信するトリガ信号受信工程と、
前記移動体が、前記超音波送信を許可するトリガ信号を受信したら直ちに超音波を前記レシーバに送信する超音波送信工程とを備え、
前記受信した超音波から超音波到達時点を検出し、前記超音波送信を許可するトリガ信号を送信した時点と前記検出された超音波到達時点とから、超音波が前記移動体から前記少なくとも2つの超音波受信手段に到達するまでの超音波伝搬時間をそれぞれ算出する時間算出工程と、
算出した前記超音波伝搬時間と前記超音波受信手段相互の間隔長に基づいて、前記移動体の位置を算出する位置算出工程とを備えることを特徴とする。
超音波送信要求のトリガ信号をレシーバに送信するトリガ信号送信手段と、
前記レシーバから超音波送信を許可するトリガ信号を受信するトリガ信号受信手段と、
前記超音波送信を許可するトリガ信号を受信したら直ちに超音波を送信する超音波送信手段とを備えることを特徴とする。
移動体から超音波送信要求のトリガ信号を受信するトリガ信号受信手段と、
前記移動体側で識別可能である、超音波送信を許可するトリガ信号を送信するトリガ信号送信手段と、
前記移動体へのトリガ信号の送信タイミングを制御する制御手段と、
前記移動体が送信する超音波を受信する所定間隔で設定された少なくとも2つの超音波受信手段と、
前記受信した超音波から超音波到達時点を検出し、前記トリガ信号を送信した時点と前記検出された超音波到達時点とから、超音波が前記移動体から前記少なくとも2つの超音波受信手段に到達するまでの超音波伝搬時間をそれぞれ算出する時間算出手段と、
算出した前記超音波伝搬時間と前記超音波受信手段相互の間隔長に基づいて、前記移動体の位置を算出する位置算出手段とを備えることを特徴とする。
図1および図2に、本実施形態による位置検出装置の一例の構成を示す。図示のとおり、この位置検出装置10は、移動体100と、移動体100から離れた所定の位置に設置されたレシーバ200と、移動体100が移動した軌跡を表示する表示パネル300を備えている。表示パネル300は、通常に使用されるモニターでもよいし、液晶ディスプレイやプラズマディスプレイのような大画面ディスプレイや、プロジェクタで投影された投影画面でも構わない。
次に、図4を参照して、移動体が複数ある場合の位置検出方法について説明する。本実施形態においては、2つの移動体100aおよび100bを用いる場合を述べる。
以下の実施の形態においては、本発明による位置検出装置を、電子ペンシステムに適用した場合を説明する。
以下の実施の形態においては、本発明による位置検出装置を、ロボットシステムに適用した場合を説明する。
100、100a、100b 移動体
101 制御回路
102 トリガ駆動回路
103 トリガ送信部
104 トリガ受信部
105 トリガ検出回路
106 超音波駆動回路
107 超音波送信部
200 レシーバ
201 トリガ受信部
202 トリガ検出回路
203 制御回路
204 トリガ駆動回路
205 トリガ送信部
206-1、206-2 超音波受信部
207-1、207-2 サンプリング回路
208 メモリ
209 データ処理回路
300 表示パネル
500 電子ペン
600 ロボット
Claims (12)
- トリガ信号を送受信し、さらに超音波を送信する少なくとも1つの移動体と、前記トリガ信号を送受信し、前記超音波を受信するレシーバとを備え、
前記移動体が、
前記移動体を識別可能である、超音波送信要求のトリガ信号を送信するトリガ信号送信手段と、
前記レシーバから、超音波送信を許可するトリガ信号を受信するトリガ信号受信手段と、
前記超音波送信を許可するトリガ信号を受信したら直ちに超音波を送信する超音波送信手段とを備え、
前記レシーバが、
前記移動体から前記超音波送信要求のトリガ信号を受信するトリガ信号受信手段と、
前記移動体側で識別可能である、前記超音波送信を許可するトリガ信号を送信するトリガ信号送信手段と、
前記移動体へのトリガ信号の送信タイミングを制御する制御手段と、
前記移動体が送信する超音波を受信する所定間隔で設定された少なくとも2つの超音波受信手段と、
前記受信した超音波から超音波到達時点を検出し、前記トリガ信号を送信した時点と前記検出された超音波到達時点とから、超音波が前記移動体から前記少なくとも2つの超音波受信手段に到達するまでの超音波伝搬時間をそれぞれ算出する時間算出手段と、
算出した前記超音波伝搬時間と前記超音波受信手段相互の間隔長に基づいて、前記移動体の位置を算出する位置算出手段とを備えることを特徴とする位置検出装置。 - 前記超音波送信要求のトリガ信号および前記超音波送信を許可するトリガ信号の少なくとも一方が、前記移動体毎に重複が生じないよう帯域分割された電磁波信号である、請求の範囲1記載の位置検出装置。
- 前記移動体が、電子ペンである、請求の範囲1または2に記載の位置検出装置。
- 前記移動体が、ロボットである、請求の範囲1または2記載の位置検出装置。
- さらに、前記算出された移動体の位置を表示する表示手段を備える、請求の範囲1から4のいずれか一項に記載の位置検出装置。
- 請求の範囲1から5のいずれか一項に記載の位置検出装置を使用し、
前記移動体から前記レシーバに、前記移動体を識別可能である、超音波送信要求のトリガ信号を送信するトリガ信号送信工程と、
前記レシーバが、前記移動体から前記超音波送信要求のトリガ信号を受信するトリガ信号受信工程と、
前記移動体に超音波送信を許可するトリガ信号の送信タイミングを制御する制御工程と、
前記レシーバが、前記移動体側で識別可能である、前記超音波送信を許可するトリガ信号を送信するトリガ信号送信工程と、
前記移動体が、この移動体が識別可能な超音波送信を許可するトリガ信号を受信するトリガ信号受信工程と、
前記移動体が、前記超音波送信を許可するトリガ信号を受信したら直ちに超音波を前記レシーバに送信する超音波送信工程とを備え、
前記受信した超音波から超音波到達時点を検出し、前記超音波送信を許可するトリガ信号を送信した時点と前記検出された超音波到達時点とから、超音波が前記移動体から前記少なくとも2つの超音波受信手段に到達するまでの超音波伝搬時間をそれぞれ算出する時間算出工程と、
算出した前記超音波伝搬時間と前記超音波受信手段相互の間隔長に基づいて、前記移動体の位置を算出する位置算出工程とを備えることを特徴とする位置検出方法。 - 前記制御工程において、前記移動体からの前記超音波送信要求のトリガ信号を受信した場合、他の移動体からの超音波の受信状態を確認し、前記超音波の受信時間中でなければ、前記移動体側で識別可能な超音波送信を許可するトリガ信号を送信する、請求の範囲6記載の位置検出方法。
- 前記超音波送信要求のトリガ信号および前記超音波送信を許可するトリガ信号の少なくとも一方が、前記移動体毎に重複が生じないよう帯域分割された電磁波信号である、請求の範囲6または7記載の位置検出方法。
- さらに、前記算出された移動体の位置を表示する表示工程を備える、請求の範囲6から8のいずれか一項に記載の位置検出方法。
- 超音波送信要求のトリガ信号をレシーバに送信するトリガ信号送信手段と、
前記レシーバから超音波送信を許可するトリガ信号を受信するトリガ信号受信手段と、
前記超音波送信を許可するトリガ信号を受信したら直ちに超音波を送信する超音波送信手段とを備えることを特徴とする、請求の範囲1から5のいずれか一項に記載の位置検出装置に使用される移動体。 - 前記超音波送信要求のトリガ信号および前記超音波送信を許可するトリガ信号の少なくとも一方が、特定の帯域の電磁波信号であり、前記特定の帯域を変更する変更手段を備えている、請求の範囲10記載の移動体。
- 移動体から超音波送信要求のトリガ信号を受信するトリガ信号受信手段と、
前記移動体側で識別可能である、超音波送信を許可するトリガ信号を送信するトリガ信号送信手段と、
前記移動体へのトリガ信号の送信タイミングを制御する制御手段と、
前記移動体が送信する超音波を受信する所定間隔で設定された少なくとも2つの超音波受信手段と、
前記受信した超音波から超音波到達時点を検出し、前記トリガ信号を送信した時点と前記検出された超音波到達時点とから、超音波が前記移動体から前記少なくとも2つの超音波受信手段に到達するまでの超音波伝搬時間をそれぞれ算出する時間算出手段と、
算出した前記超音波伝搬時間と前記超音波受信手段相互の間隔長に基づいて、前記移動体の位置を算出する位置算出手段とを備えることを特徴とする、請求の範囲1から5のいずれか一項に記載の位置検出装置に使用されるレシーバ。
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Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG184582A1 (en) * | 2011-03-07 | 2012-10-30 | Creative Tech Ltd | A method, system and electronic device for association based identification |
US8705320B1 (en) * | 2012-09-13 | 2014-04-22 | Google Inc. | Audio localization using multilateration |
US20160062488A1 (en) * | 2014-09-01 | 2016-03-03 | Memsic, Inc. | Three-dimensional air mouse and display used together therewith |
US10268782B1 (en) | 2017-02-22 | 2019-04-23 | Middle Chart, LLC | System for conducting a service call with orienteering |
US10628617B1 (en) | 2017-02-22 | 2020-04-21 | Middle Chart, LLC | Method and apparatus for wireless determination of position and orientation of a smart device |
US10984146B2 (en) | 2017-02-22 | 2021-04-20 | Middle Chart, LLC | Tracking safety conditions of an area |
US10762251B2 (en) | 2017-02-22 | 2020-09-01 | Middle Chart, LLC | System for conducting a service call with orienteering |
US11625510B2 (en) | 2017-02-22 | 2023-04-11 | Middle Chart, LLC | Method and apparatus for presentation of digital content |
US10831945B2 (en) | 2017-02-22 | 2020-11-10 | Middle Chart, LLC | Apparatus for operation of connected infrastructure |
US10620084B2 (en) | 2017-02-22 | 2020-04-14 | Middle Chart, LLC | System for hierarchical actions based upon monitored building conditions |
US10467353B2 (en) | 2017-02-22 | 2019-11-05 | Middle Chart, LLC | Building model with capture of as built features and experiential data |
US10733334B2 (en) | 2017-02-22 | 2020-08-04 | Middle Chart, LLC | Building vital conditions monitoring |
US11468209B2 (en) | 2017-02-22 | 2022-10-11 | Middle Chart, LLC | Method and apparatus for display of digital content associated with a location in a wireless communications area |
US10740502B2 (en) | 2017-02-22 | 2020-08-11 | Middle Chart, LLC | Method and apparatus for position based query with augmented reality headgear |
US11900021B2 (en) | 2017-02-22 | 2024-02-13 | Middle Chart, LLC | Provision of digital content via a wearable eye covering |
US10872179B2 (en) | 2017-02-22 | 2020-12-22 | Middle Chart, LLC | Method and apparatus for automated site augmentation |
US10902160B2 (en) | 2017-02-22 | 2021-01-26 | Middle Chart, LLC | Cold storage environmental control and product tracking |
US11481527B2 (en) | 2017-02-22 | 2022-10-25 | Middle Chart, LLC | Apparatus for displaying information about an item of equipment in a direction of interest |
US11194938B2 (en) | 2020-01-28 | 2021-12-07 | Middle Chart, LLC | Methods and apparatus for persistent location based digital content |
US10740503B1 (en) | 2019-01-17 | 2020-08-11 | Middle Chart, LLC | Spatial self-verifying array of nodes |
US10824774B2 (en) | 2019-01-17 | 2020-11-03 | Middle Chart, LLC | Methods and apparatus for healthcare facility optimization |
US11475177B2 (en) | 2017-02-22 | 2022-10-18 | Middle Chart, LLC | Method and apparatus for improved position and orientation based information display |
US10949579B2 (en) | 2017-02-22 | 2021-03-16 | Middle Chart, LLC | Method and apparatus for enhanced position and orientation determination |
US10671767B2 (en) | 2017-02-22 | 2020-06-02 | Middle Chart, LLC | Smart construction with automated detection of adverse structure conditions and remediation |
US11900022B2 (en) | 2017-02-22 | 2024-02-13 | Middle Chart, LLC | Apparatus for determining a position relative to a reference transceiver |
US11436389B2 (en) | 2017-02-22 | 2022-09-06 | Middle Chart, LLC | Artificial intelligence based exchange of geospatial related digital content |
CA3114093A1 (en) | 2018-09-26 | 2020-04-02 | Middle Chart, LLC | Method and apparatus for augmented virtual models and orienteering |
US10852276B2 (en) * | 2018-10-22 | 2020-12-01 | Hitachi, Ltd. | Holistic sensing method and system |
CN110398740A (zh) * | 2019-07-25 | 2019-11-01 | 陕西重型汽车有限公司 | 一种港口牵引车集装箱检测方法 |
US11640486B2 (en) | 2021-03-01 | 2023-05-02 | Middle Chart, LLC | Architectural drawing based exchange of geospatial related digital content |
US11507714B2 (en) | 2020-01-28 | 2022-11-22 | Middle Chart, LLC | Methods and apparatus for secure persistent location based digital content |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003279640A (ja) * | 2002-03-22 | 2003-10-02 | Aioi Systems Co Ltd | 移動体の位置検出システム及び方法 |
JP2004192142A (ja) * | 2002-12-09 | 2004-07-08 | Sharp Corp | ペン入力表示装置 |
JP2009103476A (ja) * | 2007-10-22 | 2009-05-14 | Shimizu Corp | 物体の位置管理システム |
JP2009162732A (ja) * | 2008-01-10 | 2009-07-23 | Yokogawa Electric Corp | 位置情報検出システム |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60176130A (ja) | 1984-02-22 | 1985-09-10 | Matsushita Seiko Co Ltd | 超音波投射形入力装置 |
JPH01289397A (ja) | 1988-05-17 | 1989-11-21 | Toshiba Corp | リモートコントロール装置 |
JPH02108397A (ja) | 1988-10-18 | 1990-04-20 | Canon Inc | 遠方監視装置 |
JP3551591B2 (ja) | 1995-12-27 | 2004-08-11 | 富士ゼロックス株式会社 | ペン入力装置 |
US5940346A (en) * | 1996-12-13 | 1999-08-17 | Arizona Board Of Regents | Modular robotic platform with acoustic navigation system |
US6118205A (en) | 1998-08-13 | 2000-09-12 | Electronics For Imaging, Inc. | Transducer signal waveshaping system |
US6327219B1 (en) * | 1999-09-29 | 2001-12-04 | Vi&T Group | Method and system for directing a following device toward a movable object |
JP2002295892A (ja) | 2001-03-28 | 2002-10-09 | Toto Ltd | 空調・給湯給水システム |
GB2377129B (en) * | 2001-06-29 | 2005-05-11 | Nokia Corp | Wireless communication device and method |
US6674687B2 (en) * | 2002-01-25 | 2004-01-06 | Navcom Technology, Inc. | System and method for navigation using two-way ultrasonic positioning |
JP4136417B2 (ja) | 2002-03-28 | 2008-08-20 | 富士通株式会社 | 位置検出装置 |
JP4139671B2 (ja) | 2002-10-28 | 2008-08-27 | シャープ株式会社 | ペン入力表示装置 |
JP2004199560A (ja) | 2002-12-20 | 2004-07-15 | Fujitsu Ltd | 超音波型座標入力装置 |
KR100480144B1 (ko) | 2003-07-23 | 2005-04-07 | 엘지전자 주식회사 | 이동로봇의 위치검출장치 및 방법 |
US6904000B1 (en) * | 2003-11-14 | 2005-06-07 | Fu Ching Lee | Object locator system |
TW200534531A (en) | 2004-03-30 | 2005-10-16 | Aisin Seiki | Vehicle mounted radio device |
NZ551334A (en) * | 2004-05-17 | 2008-07-31 | Epos Technologies Ltd | Acoustic robust synchronization signalling for acoustic positioning system |
JP4101791B2 (ja) * | 2004-09-17 | 2008-06-18 | シャープ株式会社 | 座標値入力システム、座標値入力方法、座標値入力プログラム、コンピュータ読み取り可能な記録媒体 |
EP1669775A1 (en) * | 2004-12-08 | 2006-06-14 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO | Method and system for determining the location and/or speed of at least one swimmer |
JP2008107251A (ja) | 2006-10-26 | 2008-05-08 | Matsushita Electric Works Ltd | 位置検出システム |
US8498839B2 (en) | 2007-12-28 | 2013-07-30 | Nec Corporation | Position determination system, transmission device and reception device, and position determination method |
-
2010
- 2010-04-21 JP JP2011524688A patent/JPWO2011013418A1/ja active Pending
- 2010-04-21 US US13/387,958 patent/US9052781B2/en active Active
- 2010-04-21 WO PCT/JP2010/057053 patent/WO2011013418A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003279640A (ja) * | 2002-03-22 | 2003-10-02 | Aioi Systems Co Ltd | 移動体の位置検出システム及び方法 |
JP2004192142A (ja) * | 2002-12-09 | 2004-07-08 | Sharp Corp | ペン入力表示装置 |
JP2009103476A (ja) * | 2007-10-22 | 2009-05-14 | Shimizu Corp | 物体の位置管理システム |
JP2009162732A (ja) * | 2008-01-10 | 2009-07-23 | Yokogawa Electric Corp | 位置情報検出システム |
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