WO2015141644A1 - 電子機器、電子機器における電源受領方法、電子機器における電源供給方法およびケーブル - Google Patents
電子機器、電子機器における電源受領方法、電子機器における電源供給方法およびケーブル Download PDFInfo
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- WO2015141644A1 WO2015141644A1 PCT/JP2015/057768 JP2015057768W WO2015141644A1 WO 2015141644 A1 WO2015141644 A1 WO 2015141644A1 JP 2015057768 W JP2015057768 W JP 2015057768W WO 2015141644 A1 WO2015141644 A1 WO 2015141644A1
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- power supply
- receptacle
- power
- terminal
- electronic device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/12—Use of DVI or HDMI protocol in interfaces along the display data pipeline
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2107/00—Four or more poles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
Definitions
- the present technology relates to an electronic device, a power reception method in the electronic device, a power supply method in the electronic device, and a cable, and more particularly, to an electronic device that transmits content to an external device through a receptacle.
- HDMI High Definition Multimedia Interface
- CE Consumer Electronics
- the power supply (+ 5V terminal) stipulated in the current HDMI standard is from 5V to 55mA from the source device to the sink device.
- the main purpose is the DDC line of the EDID ⁇ ROM of the sink device in the standby state. Reading by is assumed.
- the type D connector realizes a small external connector and does not satisfy the pin width corresponding to a large current. For this reason, it is very difficult to handle power supply using the current connector. Since HDMI is widely used as a digital interface, ensuring compatibility with existing connectors is an essential requirement.
- the purpose of this technology is to expand the interface function.
- the concept of this technology is It has a receptacle to connect a cable plug to connect to external equipment,
- the receptacle is in an electronic device having a first power supply terminal and a second power supply terminal having a larger current capacity than the first power supply terminal.
- a receptacle for connecting a plug of a cable for connecting to an external device is provided.
- the receptacle is provided with a first power supply terminal and a second power supply terminal.
- the second power supply terminal has a larger current capacity than the first power supply terminal.
- the receptacle has a first power supply terminal having a first width extending in the plug insertion direction on a flat plate surface having a predetermined thickness, and a first width extending in the plug insertion direction on the end surface of the flat plate.
- a second power supply terminal having a larger width may be provided.
- the receptacle further includes a ground terminal having a width larger than the first width extending in the plug insertion direction on the end surface opposite to the flat end surface having the second power supply terminal. May be.
- the second power supply terminal and the like are provided on the end face of the flat plate, the interface function of the existing receptacle having the first power supply terminal on the flat plate surface is maintained as it is.
- the second power supply terminal may be formed so that at least the thickness in the direction orthogonal to the end face is sequentially increased along the insertion direction of the plug. In this case, it is possible to smoothly insert the plug without giving any play to the plug-side terminal, and it is possible to secure a large contact area with the plug-side terminal. .
- the second power supply terminal may be formed so as to cover a part of two flat plate surfaces continuous with the end surface together with the end surface.
- the cross-sectional shape of the second power supply terminal is a U-shape, and by making the plug-side terminal a corresponding shape, a larger contact area with the terminal can be ensured.
- a power receiving unit that receives power from an external device through the second power terminal of the receptacle may be further provided. This makes it possible to receive and use power from an external device through the second power terminal of the receptacle.
- a capability determination unit that determines the presence or absence of power supply capability of the external device, and a power supply request unit that requests power supply to the external device when the capability determination unit determines that there is power supply capability.
- the power supply receiving unit may be configured to receive power supplied from an external device through the second power supply terminal of the receptacle in response to a power supply request from the power supply requesting unit.
- a power supply unit that supplies power to an external device through the second power supply terminal of the receptacle may be further provided.
- power can be supplied to the external device through the second power supply terminal of the receptacle.
- it further includes an availability determination unit that determines whether or not power supply to the external device is possible, and the power supply unit can supply power by the availability determination unit When it is determined that the power is supplied, power may be supplied to the external device through the second power supply terminal of the receptacle.
- the availability determining unit may determine whether power can be supplied to the external device based on a current value that flows while power is supplied to the second power supply terminal of the receptacle.
- a transmission unit that transmits content to the external device through the receptacle may be further provided.
- the transmission unit may be configured to transmit the content to the external device through a receptacle using a differential signal.
- the transmission unit may be an HDMI transmission unit.
- a receiving unit that receives content from an external device through a receptacle may be further provided.
- the receiving unit may receive content from an external device through a receptacle using a differential signal.
- the receiving unit may be an HDMI receiving unit.
- the receptacle has the second power supply terminal having a larger current capacity than the first power supply terminal in addition to the first power supply terminal. Can be received from the network or supplied to an external device, and the interface function can be expanded.
- a cable having a first power supply line and a second power supply line having a larger current capacity than the first power supply line together with a signal line for transmitting content.
- a second power supply line having a larger current capacity than that of the first power supply line is provided. It is possible to receive or supply.
- the above receptacle is An electronic device having a predetermined number of first signal terminals extending in the plug insertion direction on the surface of the flat plate and having a second signal terminal extending in the plug insertion direction on one or both end surfaces of the flat plate It is in.
- a receptacle for connecting a plug of a cable for connecting to an external device is provided.
- the receptacle is provided with a predetermined number of first signal terminals extending in the plug insertion direction on the surface of the flat plate, and second signal terminals extending in the plug insertion direction on one or both end surfaces of the flat plate. Is provided. Therefore, it is possible to expand the interface function while maintaining the interface function of the existing receptacle in which only the first signal terminal is provided on the surface of the flat plate.
- the interface function can be expanded. Note that the effects described in the present specification are merely examples and are not limited, and may have additional effects.
- FIG. 1 shows a configuration example of an AV (Audio and Visual) system 100 as an embodiment.
- the AV system 100 is configured by connecting a source device 110 and a sink device 120.
- the source device 110 is an AV source such as a game machine, a disc player, a set top box, a digital camera, or a mobile phone.
- the sink device 120 is, for example, a television receiver or a projector.
- the source device 110 and the sink device 120 are connected via the cable 200.
- the source device 110 is provided with a receptacle 111 constituting a connector to which a data transmission unit (HDMI transmission unit) 112 and a power supply reception unit 115 are connected.
- the sink device 120 is provided with a receptacle 121 constituting a connector, to which a data receiving unit (HDMI receiving unit) 122 and a power supply unit 125 are connected.
- a plug 201 constituting a connector is provided at one end of the cable 200, and a plug 202 constituting a connector is provided at the other end.
- the plug 201 at one end of the cable 200 is connected to the receptacle 111 of the source device 110, and the plug 202 at the other end of the cable 200 is connected to the receptacle 121 of the sink device 120.
- the source device 110 has a control unit 113.
- the control unit 113 controls the entire source device 110.
- the control unit 113 acquires profile data from the sink device 120 through a line such as CEC or DDC, and determines the power supply capability of the sink device 120 with reference to the profile data. When determining that the power supply capability is available, the control unit 113 requests the sink device 120 to supply power via a line such as CEC or DDC.
- the power receiving unit 115 receives the power supplied from the sink device 120 through the receptacle 111.
- the sink device 120 has a control unit 123.
- the control unit 123 controls the entire sink device 120.
- the control unit 123 determines whether power can be supplied to the source device 110. Based on the determination that the control unit 123 can supply power, the power supply unit 125 supplies power to the source device 110 through the receptacle 121.
- FIG. 2 shows a configuration example of the data transmission unit 112 of the source device 110 and the data reception unit 122 of the sink device 120 in the AV system 100 of FIG.
- the data transmission unit 112 transmits a differential signal corresponding to uncompressed video data for one screen to the data reception unit 122 in one direction over a plurality of channels in an effective image period (also referred to as “active video period”). To do.
- the effective image section is a section obtained by removing the horizontal blanking section and the vertical blanking section from the section from one vertical synchronizing signal to the next vertical synchronizing signal.
- the data transmission unit 112 transmits at least a plurality of channels of differential signals corresponding to audio data, control data, and other auxiliary data associated with video data in a horizontal blanking interval or a vertical blanking interval. Transmit to the receiving unit 122 in one direction.
- the data receiving unit 122 receives a differential signal corresponding to video data transmitted in one direction from the data transmitting unit 112 through a plurality of channels in the active video section. In addition, the data reception unit 122 receives differential signals corresponding to audio data and control data transmitted in one direction from the data transmission unit 112 through a plurality of channels in a horizontal blanking interval or a vertical blanking interval. Receive.
- the transmission channel of the HDMI system including the data transmission unit 112 and the data reception unit 122 includes the following. First, there are differential signal channels (TMDS channel, TMDS clock channel) as transmission channels.
- TMDS channel differential signal channels
- TMDS clock channel differential signal channels
- TMDS channels # 0 to ## transmission channels for serially transmitting video data and audio data in one direction in synchronization with the pixel clock from the data transmission unit 112 to the data reception unit 122.
- TMDS clock channel as a transmission channel for transmitting the TMDS clock.
- the HDMI transmitter 81 of the data transmission unit 112 converts, for example, uncompressed video data into corresponding differential signals, and is connected via the cable 200 with three TMDS channels # 0, # 1, and # 2. Serial transmission is performed in one direction to the data receiving unit 122.
- the HDMI transmitter 81 converts audio data accompanying the uncompressed video data, necessary control data, and other auxiliary data into corresponding differential signals, and converts them into three TMDS channels # 0, # 1, # 2. Then, serial transmission is performed in one direction to the data receiving unit 122.
- the HDMI transmitter 81 transmits a TMDS clock synchronized with video data transmitted through the three TMDS channels # 0, # 1, and # 2 to the data transmission unit 122 through the TMDS clock channel.
- the HDMI receiver 82 of the data reception unit 122 transmits a differential signal corresponding to video data, audio data, and control data transmitted in one direction from the data transmission unit 112 through TMDS channels # 0, # 1, and # 2.
- a differential signal corresponding to is received.
- reception is performed in synchronization with the pixel clock (TMDS clock) transmitted from the data transmission unit 112 through the TMDS clock channel.
- TMDS clock pixel clock
- DDC Display Data Channel
- CEC Transmission Channel
- the DDC is composed of two signal lines included in the cable 200.
- the DDC is used when the data transmission unit 112 reads E-EDID (Enhanced Extended Display Identification Data) from the data reception unit 122.
- E-EDID Enhanced Extended Display Identification Data
- the data receiving unit 122 has an EDID ROM (EEPROM) that stores E-EDID that is capability information related to its capability (Configuration / capability).
- E-EDID ROM EEPROM
- the data transmission unit 112 reads the E-EDID from the data reception unit 122 connected via the cable 200 via the DDC.
- the data transmission unit 112 sends the read E-EDID to the control unit 113.
- the control unit 113 stores this E-EDID in a flash ROM or DRAM (not shown).
- the control unit 113 can recognize the setting of the capability of the data receiving unit 122 based on the E-EDID.
- the CEC line is composed of one signal line included in the cable 200, and is used for bidirectional communication of control data between the data transmission unit 112 and the data reception unit 122.
- the cable 200 includes a line (HPD line) connected to a pin called HPD (Hot Plug Detect).
- HPD Hot Plug Detect
- the source device can detect the connection of the sink device using the HPD line.
- the cable 200 includes a first power supply line (+ 5V Power Line) used to supply power from the source device to the sink device.
- the cable 200 includes a utility line.
- the cable 200 includes a second power supply line (VCC line) used for supplying power from the sink device 120 to the source device 110.
- the second power supply line has a larger current capacity than the first power supply line described above.
- FIG. 3 shows an example of the structure of TMDS transmission data.
- FIG. 3 shows sections of various transmission data when image data of horizontal ⁇ vertical B pixels ⁇ A lines is transmitted in TMDS channels # 0 to # 2.
- Video Field There are three types of sections in the video field (Video Field) in which transmission data is transmitted using the HDMI TMDS channel, depending on the type of transmission data. These three types of sections are a video data period (Video Data period), a data island period (Data Island period), and a control period (Control period).
- the video field period is a period from the rising edge (active edge) of a certain vertical synchronizing signal to the rising edge of the next vertical synchronizing signal.
- This video field section is divided into a horizontal blanking period (horizontal blanking), a vertical blanking period (vertical blanking), and an active video section (Active Video).
- a video data section that is a section obtained by removing the horizontal blanking period and the vertical blanking period from the video field section is assigned to the active video section.
- B pixel (pixel) ⁇ A line effective pixel (Active pixel) data constituting uncompressed image data for one screen is transmitted.
- Data island section and control section are assigned to horizontal blanking period and vertical blanking period.
- auxiliary data (Auxiliary data) is transmitted. That is, the data island period is assigned to a part of the horizontal blanking period and the vertical blanking period.
- audio data packets and control packets are transmitted among the auxiliary data.
- the control period is allocated to other parts of the horizontal blanking period and the vertical blanking period.
- a vertical synchronization signal, a horizontal synchronization signal, and the like are transmitted.
- FIG. 4A shows the pin assignments of the receptacle 111 of the source device 110 and the receptacle 121 of the sink device 120 (hereinafter referred to as “new HDMI pin assignment”).
- the pins (pin numbers 7, 4, and 1) are assigned to TMDS Data # i +, and the pins (pin numbers 9, 6, and 3) are assigned to TMDS Data # i-.
- TMDS Clock + and TMDS Clock- which are differential signals of TMDS clock channel, are transmitted by two lines which are differential lines.
- the pin with pin number 10 is assigned to TMDS Clock +, and the pin with pin number 12 is assigned to TMDS Clock-.
- the CEC signal which is control data
- the pin with the pin number 13 is assigned to the CEC signal.
- An SDA (Serial Data) signal used for reading E-EDID or the like is transmitted through the SDA line.
- a pin having a pin number of 16 is assigned to the SDA signal.
- an SCL (Serial) Clock) signal which is a clock signal used for synchronization during transmission / reception of the SDA signal, is transmitted through the SCL line.
- a pin with a pin number of 15 is assigned to the SCL.
- the DDC line described above is composed of an SDA line and an SCL line.
- the pin with pin number 19 is assigned to HPD (Hot Plug Detect).
- a pin with pin number 14 is assigned to a utility.
- a pin with a pin number of 17 is assigned to DDC / CECDGND.
- the pin with the pin number 18 is assigned to the first power supply terminal (+ 5V Power).
- the pin with pin number 20 is assigned to the second power supply terminal (VCC) having a larger current capacity than the first power supply described above.
- the pin with pin number 21 is assigned to the ground return terminal (GND).
- FIG. 4B shows the current HDMI pin assignment for comparison with the new HDMI pin assignment described above.
- the pin assignment of the pin number 1-19 in the new HDMI pin assignment is exactly the same as the pin assignment of the current HDMI.
- the new HDMI pin assignment is in a state in which past compatibility is completely maintained.
- FIG. 5 schematically shows a configuration example of the receptacle 130 (111, 121) corresponding to a Type D (Type D) connector.
- FIG. 5B is a front view
- FIG. 5A shows a top view cut along the line AA in FIG. 5B.
- a flat plate 132 having a surface parallel to the plug insertion direction is disposed inside the outer casing 131.
- terminals (pins) extending in the plug insertion direction are arranged on the surface of the flat plate 132.
- a power supply terminal (VCC) and a ground return terminal (GND) extending in the plug insertion direction are disposed on the end face of the flat plate 132.
- FIG. 6 schematically shows a configuration example of the plug 230 (201, 202) corresponding to a type D (Type D) connector.
- FIG. 6B is a front view
- FIG. 6A shows a top view with a part cut along the line BB in FIG. 6B.
- the plug 230 corresponds to the receptacle 130 shown in FIG.
- a cylindrical member 232 that covers the flat plate 132 of the receptacle 130 is disposed inside the outer casing 231.
- terminals (pins) extending in the same direction are disposed corresponding to the terminals (pins) disposed on the surface of the flat plate 132 of the receptacle 130 described above.
- a power supply terminal (VCC) extending in the same direction corresponding to the power supply terminal (VCC) and the ground return terminal (GND) disposed on the end face of the flat plate 132 of the above-described receptacle 130 is provided inside the cylindrical member 232.
- a ground return terminal (GND) Each terminal (pin) of the plug 230 is configured by a spring member so as to be pressed against each terminal (pin) of the receptacle 130 when the plug 230 is attached to the receptacle 130.
- FIG. 7 schematically shows another configuration example of the receptacle 130A (111, 121) corresponding to a Type D (Type D) connector.
- FIG. 7B is a front view
- FIG. 7A shows a top view cut along the line AA in FIG. 7B.
- the receptacle 130A is the same as the receptacle 130 shown in FIG. 5 except that the shape of the power supply terminal (VCC) and the ground return terminal (GND) arranged on the end face of the flat plate 132 and extending in the plug insertion direction is different. It has a configuration.
- the power supply terminal (VCC) and the ground return terminal (GND) are formed so that the thickness in the direction orthogonal to the end face of the flat plate 132 is gradually increased along the plug insertion direction. That is, the surface of the power supply terminal (VCC) and the ground return terminal (GND) opposite to the side in contact with the end surface of the flat plate 132 is formed as an inclined surface with respect to the plug insertion direction. By forming such an inclined surface, it is possible to smoothly insert the plug without any play between the plug-side terminal and the large contact with the plug-side terminal. An area can be secured.
- the power supply terminal (VCC) and the ground return terminal (GND) are formed so as to cover a part of the two flat plate surfaces continuous with the end surface together with the end surface of the flat plate 132. That is, the power supply terminal (VCC) and the ground return terminal (GND) have a substantially U-shaped cross section. Thus, when it forms in a U-shape, it becomes possible to ensure a larger contact area between the terminals by making the terminal on the plug side into a corresponding shape.
- FIG. 8 schematically shows a configuration example of a plug 230A (201, 202) corresponding to a type D (Type D) connector.
- FIG. 8B is a front view
- FIG. 8A shows a top view with a part cut along the line BB in FIG. 8B.
- This plug 230A corresponds to the receptacle 130A shown in FIG.
- the plug 230A has the same configuration as the plug 230 shown in FIG. 6 except that the shapes of the power supply terminal (VCC) and the ground return terminal (GND) arranged inside the cylindrical member 232 are different.
- the surfaces of the power supply terminal (VCC) and the ground return terminal (GND) of the receptacle 130A that oppose the surface of the flat plate 132 on the side orthogonal to the end face are shown by broken lines. Further, it is formed on an inclined surface. By forming such an inclined surface, it is possible to smoothly insert the plug without any play between the terminal on the receptacle side and a large contact with the terminal on the plug side. An area can be secured.
- the power supply terminal (VCC) and the ground return terminal (GND) have a substantially U-shaped cross section so as to cover the power supply terminal (VCC) and the ground return terminal (GND) of the receptacle 130A. .
- VCC power supply terminal
- GND ground return terminal
- FIG. 9A shows an example of the structure of the current HDMI cable.
- This current HDMI cable is configured as a shield twisted pair portion (differential transmission line) so that each of the three data line pairs can obtain characteristics.
- the clock line pair is also configured as a shield twisted pair portion.
- FIG. 9B shows a structural example of the shield twisted pair portion.
- the shield twisted pair portion has a structure in which two electric wires 3 and a drain wire 4 are covered with a shield member 5.
- the electric wire 3 is configured such that the core wire 1 is covered with a covering portion 2.
- each drain line is connected to a pin (terminal) corresponding to each shield terminal (shield pin having pin numbers 2, 5, 8, and 11) of the above-described receptacle (current HDMI pin arrangement).
- shield terminals are grounded in the source device 110 and the sink device 120, for example.
- the drain lines constituting the shield twisted pair portions of the data and the clock are grounded when the plug is connected to the receptacle (current HDMI pin arrangement).
- FIG. 10 shows a structure example of a new HDMI cable used as the cable 200.
- This new HDMI cable is configured as a shielded twisted pair portion (differential transmission line) so that three data line pairs and a clock line pair each have characteristics, like the current HDMI cable.
- the new HDMI cable has two lines, a power supply line (VCC) and a ground return line (GND).
- VCC power supply line
- GND ground return line
- the diameter of these lines is made larger than the diameter of the existing power supply line (+ 5V), and therefore the current capacity of these lines is made larger than that of the existing power supply line (+ 5V).
- the control unit 123 of the sink device 120 determines whether power can be supplied to the source device 110, and based on the determination that it is possible, the source device 110 Supply power to The process up to the power supply will be described with reference to FIG.
- the source device 110 and the sink device 120 have profile data indicating their own power profiles (whether power can be supplied or how many watts can be supplied if possible).
- the source device 110 and the sink device 120 can know the capability of the opposite device by referring to both using a communication function such as CEC or DDC, for example.
- the source device 110 that wants to supply power requests the sink device 120 that can supply power to supply power.
- the sink device 120 When receiving the power supply request from the source device 110, the sink device 120 having the power supply capability switches the switch in the figure from “2” which is OFF to “3” which is the low power supply mode.
- the current flowing in the system is observed by the ammeter in the figure.
- the cable between the devices is the cable 200 corresponding to the present technology (conducting between VCC and GND).
- the current value is 0, it is considered that the main system is insulated (that is, disconnected) in the cable, and the cable is not compatible.
- control unit 123 finds that the cable is not compatible with the present technology, the control unit 123 notifies the source device 110 that has requested power supply that the cable is not compatible, and the function is not enabled. Quit without Further, when it is found that the cable corresponds to power supply, the control unit 123 switches the switch in the drawing to “1” which is the normal power supply state, and starts power supply.
- the control unit 123 When the control unit 123 observes that a large current that exceeds a certain value (for example, about 5 A) flows during power supply, there is a possibility that a short circuit has occurred somewhere in the system. Therefore, the power supply may be stopped immediately, that is, the switch may be switched to “2” in the off state to notify the source device 110 that the power supply has been stopped. Furthermore, when the cable is disconnected during power supply or when the ammeter indicates 0, the power supply is no longer necessary, so the switch may be switched to 2 in the OFF state to stop the power supply.
- a certain value for example, about 5 A
- the flowchart of FIG. 12 shows an example of a processing procedure until power supply reception in the control unit 113 of the source device 110.
- the control unit 113 starts processing. Thereafter, the control unit 113 reads the profile data of the sink device 120 in step ST2.
- control unit 113 determines whether or not the sink device 120 is compatible with power supply.
- the control unit 113 transmits a power supply request to the sink device 120 in step ST4.
- step ST5 the control unit 113 determines whether or not a predetermined time has elapsed since the request, that is, whether or not a timeout has occurred.
- the control unit 113 determines in step ST6 whether power supply from the sink device 120 is started. The control unit 113 can make this determination based on the observation value of the ammeter. When the power supply is started, the control unit 113 ends the process in step ST7. On the other hand, when the power supply is not started, the control unit 113 returns to step ST5 and repeats the same operation as described above.
- step ST5 When the sink device 120 does not support power supply in step ST3, or when time-out occurs in step ST5, the control unit 113 immediately ends the process in step ST7.
- the flowchart of FIG. 13 shows an example of a processing procedure up to power supply in the control unit 123 of the sink device 120.
- the control unit 123 starts processing.
- the control unit 123 determines whether or not a power supply request has been received from the source device 110.
- step ST13 When receiving the power supply request, in step ST13, the control unit 123 switches to the power saving supply mode (in FIG. 11, the switch is switched to “3”). And the control part 123 measures an electric current value with an ammeter in step ST14.
- step ST15 the control unit 123 determines whether or not the current value is equal to or greater than a specified value.
- the control unit 123 determines whether or not the current value is 0 in step ST16.
- the control unit 123 switches to the normal power supply mode in step ST17 (switches to “1” in FIG. 11).
- the control unit 123 ends the process in step ST18.
- step ST15 when the current value is greater than or equal to the specified value in step ST15, or when the current value is 0 in step ST16, the control unit 123 immediately proceeds to step ST18 and ends the process. In this case, power supply from the sink device 120 to the source device 110 is not performed.
- the receptacle 111 of the source device 110 and the receptacle 121 of the sink device 120 receive current from the first power supply terminal in addition to the first power supply terminal (+ 5V Power).
- a second power supply terminal (VCC) having a large capacity is provided. Therefore, the source device 110 can receive a power supply with a larger current from the sink device 120 and can expand the interface function.
- the receptacle 111 of the source device 110 and the receptacle 121 of the sink device 120 are provided with a power supply terminal (VCC) and a ground return terminal (GND) on both end surfaces of the flat plate 132.
- VCC power supply terminal
- GND ground return terminal
- the power supply terminal (VCC) and the ground return terminal (GND) are provided on the end faces on both sides of the flat plate 132, it is easy to avoid interference with other terminals. Further, since the power supply terminal (VCC) and the ground return terminal (GND) are provided on both end faces of the flat plate 132, when high-speed signal transmission is performed with other terminals, it becomes close to a microstrip structure, and signal stability Can increase the sex.
- the source device 110 includes the power receiving unit 115
- the sink device 120 includes the power supply unit 125
- power is supplied from the sink device 120 to the source device 110.
- the present technology can be similarly applied to a configuration in which the sink device 120 includes a power reception unit, the source device 110 includes a power supply unit, and power is supplied from the source device 110 to the sink device 120.
- Type (D) connector an example in which the present technology is applied to a type D (Type (D) connector has been described.
- the present technology is applicable to other type A (Type A) and type C (Type C) connectors. Can be applied similarly.
- the present technology can be similarly applied to other similar connectors such as a USB connector.
- a receptacle for connecting a plug of a cable for connecting to an external device includes an electronic device having a first power supply terminal and a second power supply terminal having a larger current capacity than the first power supply terminal.
- the electronic device according to (1) further including a power supply receiving unit that receives power from the external device through the second power supply terminal of the receptacle.
- a capability determining unit that determines the presence or absence of power supply capability of the external device;
- a power supply requesting unit that requests power supply to the external device when it is determined by the capability determining unit that there is power supply capability;
- the power supply receiving unit The electronic device according to (2), wherein power supplied from the external device is received through the second power terminal of the receptacle in response to a power supply request from the power supply request unit.
- the electronic device according to (1) further including a power supply unit that supplies power to the external device through the second power terminal of the receptacle.
- the power supply unit is The electronic device according to (4), wherein when the availability determining unit determines that power can be supplied, power is supplied to the external device through the second power terminal of the receptacle.
- the availability determination unit The electronic device according to (5), wherein whether or not power supply to the external device is possible is determined based on a value of a current flowing in a state where power is supplied to the second power supply terminal of the receptacle.
- the receptacle is The first power supply terminal having a first width extending in the plug insertion direction on a flat plate surface having a predetermined thickness, and having an end surface of the flat plate extending from the first width extending in the plug insertion direction.
- the electronic device according to any one of (1) to (6), further including the second power supply terminal having a large width.
- the receptacle is The electron according to (7), further including a ground terminal having a width larger than the first width extending in the insertion direction of the plug on an end surface opposite to the end surface having the second power supply terminal of the flat plate. machine.
- the second power supply terminal is formed such that at least a thickness in a direction orthogonal to the end face is sequentially increased along an insertion direction of the plug. (7) or (8) Electronics. (10) The electron according to any one of (7) to (9), wherein the second power supply terminal is formed so as to cover a part of two flat plate surfaces continuous with the end surface together with the end surface. machine. (11) The electronic device according to any one of (1) to (10), further including a transmission unit that transmits content to the external device through the receptacle. (12) The transmission unit The electronic device according to (11), wherein the content is transmitted to the external device through the receptacle by a differential signal. (13) The electronic device according to (12), wherein the transmission unit is an HDMI transmission unit.
- the electronic device according to any one of (1) to (10), further including a receiving unit that receives content from the external device through the receptacle.
- the receiving unit The electronic device according to (14), wherein the content is received through the receptacle by a differential signal from the external device.
- the reception unit is an HDMI reception unit.
- the receptacle is a power receiving method in an electronic device having a first power terminal and a second power terminal having a larger current capacity than the first power terminal, A capability determination step for determining the presence or absence of power supply capability of the external device, When it is determined in the capability determination step that there is power supply capability, a power supply request step for requesting power supply to the external device;
- a power receiving method in an electronic device comprising: a power receiving step of receiving power supplied from the external device through the second power terminal of the receptacle in response to a power supply request in the power supply request step.
- a receptacle for connecting a plug of a cable for connecting to an external device is provided.
- the receptacle is a power supply method in an electronic device having a first power supply terminal and a second power supply terminal having a current capacity larger than that of the first power supply terminal,
- a power supply request receiving step for receiving a power supply request from the external device; When a power supply request is received in the power supply request receiving step, whether or not power supply to the external device can be performed is determined.
- a power supply method in an electronic device comprising: a power supply step of supplying power to the external device through the second power supply terminal of the receptacle when it is determined that power supply is possible in the availability determination step.
- a cable including a signal line for transmitting content, a first power line, and a second power line having a larger current capacity than the first power line.
- a receptacle for connecting a plug of a cable for connecting to an external device is provided, The above receptacle is An electronic device having a predetermined number of first signal terminals extending in the plug insertion direction on the surface of the flat plate and having a second signal terminal extending in the plug insertion direction on one or both end surfaces of the flat plate .
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Abstract
Description
外部機器に接続するためのケーブルのプラグを接続するレセプタクルを備え、
上記レセプタクルは、第1の電源端子と、該第1の電源端子より電流容量の大きな第2の電源端子を有する
電子機器にある。
コンテンツを伝送する信号ラインと共に、第1の電源ラインと、該第1の電源ラインより電流容量の大きな第2の電源ラインを備える
ケーブルにある。
外部機器に接続するためのケーブルのプラグを接続するレセプタクルを備え、
上記レセプタクルは、
平板の面上にプラグの挿入方向に延びた所定数の第1の信号端子を有すると共に、上記平板の一方または双方の端面に上記プラグの挿入方向に延びた第2の信号端子を有する
電子機器にある。
1.実施の形態
2.変形例
[AVシステムの構成例]
図1は、実施の形態としてのAV(Audio and Visual)システム100の構成例を示している。このAVシステム100は、ソース機器110とシンク機器120とが接続されて構成されている。ソース機器110は、例えば、ゲーム機、ディスクプレーヤ、セットトップボックス、デジタルカメラ、携帯電話などのAVソースである。シンク機器120は、例えば、テレビ受信機、プロジェクタ等である。ソース機器110およびシンク機器120は、ケーブル200を介して接続されている。
図2は、図1のAVシステム100における、ソース機器110のデータ送信部112と、シンク機器120のデータ受信部122の構成例を示している。データ送信部112は、有効画像区間(「アクティブビデオ区間」ともいう)において、非圧縮の1画面分のビデオデータに対応する差動信号を、複数チャネルで、データ受信部122に一方向に送信する。
なお、上述実施の形態においては、ソース機器110が電源受領部115を備え、シンク機器120が電源供給部125を備え、シンク機器120からソース機器110に電源を供給する例を示した。しかし、本技術は、シンク機器120が電源受領部を備え、ソース機器110が電源供給部を備え、ソース機器110からシンク機器120に電源を供給する構成にも同様に適用できる。
(1)外部機器に接続するためのケーブルのプラグを接続するレセプタクルを備え、
上記レセプタクルは、第1の電源端子と、該第1の電源端子より電流容量の大きな第2の電源端子を有する
電子機器。
(2)上記レセプタクルの上記第2の電源端子を通じて上記外部機器から電源を受領する電源受領部をさらに備える
前記(1)に記載の電子機器。
(3)上記外部機器の電源供給能力の有無を判別する能力判別部と、
上記能力判別部で電源供給能力があると判別されるとき、上記外部機器に電源供給を要求する電源供給要求部をさらに備え、
上記電源受領部は、
上記電源供給要求部からの電源供給要求に応じて上記外部機器から供給される電源を上記レセプタクルの上記第2の電源端子を通じて受領する
前記(2)に記載の電子機器。
(4)上記レセプタクルの上記第2の電源端子を通じて上記外部機器に電源を供給する電源供給部をさらに備える
前記(1)に記載の電子機器。
(5)上記外部機器からの電源供給要求があるとき、上記外部機器への電源供給が可能か否かを判別する可否判別部をさらに備え、
上記電源供給部は、
上記可否判別部で電源供給が可能であると判別されるとき、上記レセプタクルの上記第2の電源端子を通じて上記外部機器に電源を供給する
前記(4)に記載の電子機器。
(6)上記可否判別部は、
上記レセプタクルの上記第2の電源端子に電源を供給した状態で流れる電流値に基づいて、上記外部機器への電源供給が可能か否かを判別する
前記(5)に記載の電子機器。
(7)上記レセプタクルは、
所定の厚みの平板の面上にプラグの挿入方向に延びた第1の幅の上記第1の電源端子を有すると共に、上記平板の端面に上記プラグの挿入方向に延びた上記第1の幅よりも大きな幅の上記第2の電源端子を有する
前記(1)から(6)のいずれかに記載の電子機器。
(8)上記レセプタクルは、
上記平板の上記第2の電源端子を有する端面とは逆の端面に上記プラグの挿入方向に延びた上記第1の幅よりも大きな幅も持つ接地端子をさらに有する
前記(7)に記載の電子機器。
(9)上記第2の電源端子は、少なくとも、上記端面と直交する方向の厚みが上記プラグの挿入方向に沿って順次厚くなるように形成されている
前記(7)または(8)に記載の電子機器。
(10)上記第2の電源端子は、上記端面と共に、該端面に連続する2つの平板面の一部を覆うように形成されている
前記(7)から(9)のいずれかに記載の電子機器。
(11)上記外部機器に上記レセプタクルを通じてコンテンツを送信する送信部をさらに備える
前記(1)から(10)のいずれかに記載の電子機器。
(12)上記送信部は、
上記外部機器に、上記コンテンツを、差動信号により、上記レセプタクルを通じて送信する
前記(11)に記載の電子機器。
(13)上記送信部は、HDMI送信部である
前記(12)に記載の電子機器。
(14)上記外部機器から上記レセプタクルを通じてコンテンツを受信する受信部をさらに備える
前記(1)から(10)のいずれかに記載の電子機器。
(15)上記受信部は、
上記外部機器から、上記コンテンツを、差動信号により、上記レセプタクルを通じて受信する
前記(14)に記載の電子機器。
(16)上記受信部は、HDMI受信部である
前記(15)に記載の電子機器。
(17)外部機器に接続するためのケーブルのプラグを接続するレセプタクルを備え、
上記レセプタクルは、第1の電源端子と、該第1の電源端子より電流容量の大きな第2の電源端子を有する電子機器における電源受領方法であって、
上記外部機器の電源供給能力の有無を判別する能力判別ステップと、
上記能力判別ステップで電源供給能力があると判別されるとき、上記外部機器に電源供給を要求する電源供給要求ステップと、
上記電源供給要求ステップによる電源供給要求に応じて上記外部機器から供給される電源を上記レセプタクルの上記第2の電源端子を通じて受領する電源受領ステップを有する
電子機器における電源受領方法。
(18)外部機器に接続するためのケーブルのプラグを接続するレセプタクルを備え、
上記レセプタクルは、第1の電源端子と、該第1の電源端子より電流容量の大きな第2の電源端子を有する電子機器における電源供給方法であって、
上記外部機器から電源供給要求を受信する電源供給要求受信ステップと、
上記電源供給要求受信ステップで電源供給要求が受信されるとき、上記外部機器への電源供給が可能か否かを判別する可否判別ステップと、
上記可否判別ステップで電源供給が可能であると判別されるとき、上記レセプタクルの上記第2の電源端子を通じて上記外部機器に電源を供給する電源供給ステップを有する
電子機器における電源供給方法。
(19)コンテンツを伝送する信号ラインと共に、第1の電源ラインと、該第1の電源ラインより電流容量の大きな第2の電源ラインを備える
ケーブル。
(20)外部機器に接続するためのケーブルのプラグを接続するレセプタクルを備え、
上記レセプタクルは、
平板の面上にプラグの挿入方向に延びた所定数の第1の信号端子を有すると共に、上記平板の一方または双方の端面に上記プラグの挿入方向に延びた第2の信号端子を有する
電子機器。
82・・・HDMIレシーバ
100・・・AVシステム
110・・・ソース機器
111・・・レセプタクル
112・・・データ送信部
113・・・制御部
115・・・電源受領部
120・・・シンク機器
121・・・レセプタクル
122・・・データ受信部
123・・・制御部
125・・・電源供給部
130,130A・・・レセプタクル
131・・・外筐
132・・・平板
200・・・ケーブル
201,202・・・プラグ
230,230A・・・プラグ
231・・・外筐
232・・・筒状部材
Claims (20)
- 外部機器に接続するためのケーブルのプラグを接続するレセプタクルを備え、
上記レセプタクルは、第1の電源端子と、該第1の電源端子より電流容量の大きな第2の電源端子を有する
電子機器。 - 上記レセプタクルの上記第2の電源端子を通じて上記外部機器から電源を受領する電源受領部をさらに備える
請求項1に記載の電子機器。 - 上記外部機器の電源供給能力の有無を判別する能力判別部と、
上記能力判別部で電源供給能力があると判別されるとき、上記外部機器に電源供給を要求する電源供給要求部をさらに備え、
上記電源受領部は、
上記電源供給要求部からの電源供給要求に応じて上記外部機器から供給される電源を上記レセプタクルの上記第2の電源端子を通じて受領する
請求項2に記載の電子機器。 - 上記レセプタクルの上記第2の電源端子を通じて上記外部機器に電源を供給する電源供給部をさらに備える
請求項1に記載の電子機器。 - 上記外部機器からの電源供給要求があるとき、上記外部機器への電源供給が可能か否かを判別する可否判別部をさらに備え、
上記電源供給部は、
上記可否判別部で電源供給が可能であると判別されるとき、上記レセプタクルの上記第2の電源端子を通じて上記外部機器に電源を供給する
請求項4に記載の電子機器。 - 上記可否判別部は、
上記レセプタクルの上記第2の電源端子に電源を供給した状態で流れる電流値に基づいて、上記外部機器への電源供給が可能か否かを判別する
請求項5に記載の電子機器。 - 上記レセプタクルは、
所定の厚みの平板の面上にプラグの挿入方向に延びた第1の幅の上記第1の電源端子を有すると共に、上記平板の端面に上記プラグの挿入方向に延びた上記第1の幅よりも大きな幅の上記第2の電源端子を有する
請求項1に記載の電子機器。 - 上記レセプタクルは、
上記平板の上記第2の電源端子を有する端面とは逆の端面に上記プラグの挿入方向に延びた上記第1の幅よりも大きな幅も持つ接地端子をさらに有する
請求項7に記載の電子機器。 - 上記第2の電源端子は、少なくとも、上記端面と直交する方向の厚みが上記プラグの挿入方向に沿って順次厚くなるように形成されている
請求項7に記載の電子機器。 - 上記第2の電源端子は、上記端面と共に、該端面に連続する2つの平板面の一部を覆うように形成されている
請求項7に記載の電子機器。 - 上記外部機器に上記レセプタクルを通じてコンテンツを送信する送信部をさらに備える
請求項1に記載の電子機器。 - 上記送信部は、
上記外部機器に、上記コンテンツを、差動信号により、上記レセプタクルを通じて送信する
請求項11に記載の電子機器。 - 上記送信部は、HDMI送信部である
請求項12に記載の電子機器。 - 上記外部機器から上記レセプタクルを通じてコンテンツを受信する受信部をさらに備える
請求項1に記載の電子機器。 - 上記受信部は、
上記外部機器から、上記コンテンツを、差動信号により、上記レセプタクルを通じて受信する
請求項14に記載の電子機器。 - 上記受信部は、HDMI受信部である
請求項15に記載の電子機器。 - 外部機器に接続するためのケーブルのプラグを接続するレセプタクルを備え、
上記レセプタクルは、第1の電源端子と、該第1の電源端子より電流容量の大きな第2の電源端子を有する電子機器における電源受領方法であって、
上記外部機器の電源供給能力の有無を判別する能力判別ステップと、
上記能力判別ステップで電源供給能力があると判別されるとき、上記外部機器に電源供給を要求する電源供給要求ステップと、
上記電源供給要求ステップによる電源供給要求に応じて上記外部機器から供給される電源を上記レセプタクルの上記第2の電源端子を通じて受領する電源受領ステップを有する
電子機器における電源受領方法。 - 外部機器に接続するためのケーブルのプラグを接続するレセプタクルを備え、
上記レセプタクルは、第1の電源端子と、該第1の電源端子より電流容量の大きな第2の電源端子を有する電子機器における電源供給方法であって、
上記外部機器から電源供給要求を受信する電源供給要求受信ステップと、
上記電源供給要求受信ステップで電源供給要求が受信されるとき、上記外部機器への電源供給が可能か否かを判別する可否判別ステップと、
上記可否判別ステップで電源供給が可能であると判別されるとき、上記レセプタクルの上記第2の電源端子を通じて上記外部機器に電源を供給する電源供給ステップを有する
電子機器における電源供給方法。 - コンテンツを伝送する信号ラインと共に、第1の電源ラインと、該第1の電源ラインより電流容量の大きな第2の電源ラインを備える
ケーブル。 - 外部機器に接続するためのケーブルのプラグを接続するレセプタクルを備え、
上記レセプタクルは、
平板の面上にプラグの挿入方向に延びた所定数の第1の信号端子を有すると共に、上記平板の一方または双方の端面に上記プラグの挿入方向に延びた第2の信号端子を有する
電子機器。
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JP6485447B2 (ja) | 2019-03-20 |
US20170017282A1 (en) | 2017-01-19 |
US10386905B2 (en) | 2019-08-20 |
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