WO2017002752A1 - 情報通信システム及びインターフェース装置 - Google Patents

情報通信システム及びインターフェース装置 Download PDF

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Publication number
WO2017002752A1
WO2017002752A1 PCT/JP2016/068985 JP2016068985W WO2017002752A1 WO 2017002752 A1 WO2017002752 A1 WO 2017002752A1 JP 2016068985 W JP2016068985 W JP 2016068985W WO 2017002752 A1 WO2017002752 A1 WO 2017002752A1
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WO
WIPO (PCT)
Prior art keywords
information
interface device
communication system
version
interface
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Application number
PCT/JP2016/068985
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English (en)
French (fr)
Japanese (ja)
Inventor
洋介 村木
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株式会社ジェイエイアイコーポレーション
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Publication of WO2017002752A1 publication Critical patent/WO2017002752A1/ja

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring

Definitions

  • This disclosure relates to information communication systems. More specifically, the present invention relates to an information communication system including a device having a predetermined function and an interface device that links the device.
  • CMOS Complementary Metal Oxide Semiconductor
  • CCD Charge Coupled Device
  • this type of video camera includes a camera housing with a built-in CCD and a camera mounting surface, a screw hole that is attached to the front end of the camera housing and opens in the optical axis direction (front-rear direction), and a screw.
  • a front panel having a lens barrel mounting surface exposed at the opening periphery of the hole and a lens barrel having an opening end face screwed into a screw hole of the front panel and in contact with the lens barrel mounting surface are employed. Yes.
  • Patent Document 1 includes a camera housing having a substrate on which a CCD as an image sensor is mounted and a substrate on which an external connection connector is mounted, and includes an image pickup unit (image pickup device) and an interface unit (external).
  • image pickup unit image pickup device
  • interface unit external
  • This kind of delivery of information involves carrying the PC to the site, which has been a heavy burden on the operator.
  • the present disclosure solves such problems, and an object thereof is to provide an information communication system that can reduce the burden of work associated with the delivery of information such as firmware as compared with the prior art.
  • the inventor of the present application pays attention to storing in advance in the interface device information to be used in cooperation with a device having a predetermined function as a result of intensive research to solve the above-described object.
  • the invention has been completed.
  • an information communication system including a device having a predetermined function and an interface device that links the device, the interface device stores information that should be provided in advance for cooperation.
  • an information communication system including a storage unit and an information transfer unit that identifies an event that should start linkage and passes information to a device.
  • the information storage unit that performs cooperation with a device having a predetermined function, stores information to be provided in advance in advance, and identifies the event that should be started, and delivers the information to the device. And an information transfer unit.
  • the interface device includes the information storage unit that stores in advance information to be provided for cooperation with a device having a predetermined function, so that the PC storing the information can be transferred to the installation site of the interface device.
  • the carrying work can be omitted. Therefore, it is possible to provide an information communication system that can reduce the burden of work associated with the delivery of information such as firmware as compared with the prior art.
  • the effects described here are not necessarily limited, and may be any of the effects described in the present disclosure.
  • FIG. 1 is an external perspective view of an information communication system 100 according to an embodiment of the present disclosure. It is an external appearance perspective view of the front side of imaging device 10A. 3 is an external perspective view of the front side of the interface device 20. FIG. 3 is an external perspective view of the back side of the interface device 20. FIG. It is an external appearance perspective view of the function expansion device 10B on the front side. It is an external appearance perspective view of the back side of function expansion device 10B. It is a figure which shows the interconnection of 10 A of imaging devices, the function expansion apparatuses 10B and 10C, the interface apparatus 20, and PC30. 4 is a flowchart illustrating a data transfer process between an imaging apparatus 10A and an interface apparatus 20.
  • FIG. 3 is a block diagram illustrating protocol conversion according to an embodiment of the present disclosure.
  • FIG. 1 is an external perspective view of an information communication system 100 according to an embodiment of the present disclosure.
  • the information communication system 100 according to the present disclosure is an imaging device 10A, an interface device 20, and a predetermined function that is inserted between these devices, is detachable, and has a predetermined function. It is composed of a number N of function expansion devices 10B (in this embodiment, it is assumed that it is 1 for simplicity). Hereinafter, each device will be described in detail.
  • FIG. 2 is an external perspective view of the front side of the imaging apparatus 10A.
  • a subject is imaged to acquire image data.
  • the imaging device 10A includes a lens, an imaging element 10Fa, an A / D converter, and the like.
  • the imaging apparatus 10A is configured by a main body 11 that has a substantially rectangular parallelepiped appearance as a whole and a lens cylinder 12 that is detachably provided on the front surface of the main body 11 and has a plurality of lenses.
  • the main body 11 includes a housing 13 having upper, lower, left and right wall plates facing each other and opening in the front-rear direction, a front plate 14 attached to the front opening of the housing 13 and opening in the optical axis direction, and a housing.
  • the rear plate 15 is mounted on the rear opening of the body 13 and has a through-hole for external connection that opens on both the front and back surfaces.
  • the image sensor 10Fa captures an image of the subject with the subject luminous flux that has passed through the lens.
  • the imaging element 10Fa include solid-state imaging elements such as a known CMOS sensor and a known CCD sensor.
  • the image sensor 10Fa has a plurality of photoelectric conversion elements that receive a subject light beam, and outputs an analog signal corresponding to the amount of accumulated charge generated by each of the plurality of photoelectric conversion elements to the A / D converter.
  • the A / D converter converts an analog signal into a digital signal and outputs it as image data to the function expansion device 10B.
  • the housing 13 has a built-in printed circuit board connected to the image sensor and the like.
  • a network interface 10Ba, a microprocessor 10Ca, a flash memory 10Da, an FPGA (field-programmable gate array) 10Ea, and the like are mounted on the printed circuit board.
  • the imaging device 10A has a mechanical structure that can be directly fitted to one end of the function expansion device 10B.
  • the mechanical structure of the imaging apparatus 10A is not particularly limited as long as the effects of the present disclosure are not impaired, and may have a mechanical structure that can be directly fitted to one end of the interface apparatus 20.
  • the imaging device 10A includes a connector 10Ga (see FIG. 5) used for connection of an electrical signal or an optical signal with the function expansion device 10B.
  • the connector 10Ga is provided on the rear plate 15.
  • FIG. 3A is an external perspective view of the front side of the interface device 20
  • FIG. 3B is an external perspective view of the back side of the interface device 20.
  • the interface device 20 performs data communication with an external device such as a PC (Personal Computer) 30 (see FIG. 5).
  • PC Personal Computer
  • the interface device 20 includes a main body 16 that has a box-like appearance that opens forward, and a printed circuit board 17 that is attached to the front opening of the main body 16.
  • a network interface 20A, a flash memory 20B, an FPGA 20C, a microprocessor 20D, a connector 20E, and the like are mounted on the printed circuit board 17.
  • a connector 18, a pin 19, and the like that are used for connection of an electrical signal or an optical signal with an external device (not shown) are disposed on the back side of the main body 16.
  • four pins 19 complying with the CXP4 standard are arranged in parallel.
  • the interface device 20 has a mechanical structure that can be directly fitted to the other end of the function expansion device 10B.
  • the mechanical structure of the interface device 20 is not particularly limited as long as the effects of the present disclosure are not impaired, and may have a mechanical structure that can be directly fitted to one end of the imaging device 10A.
  • [Function expansion device 10B] 4A is an external perspective view of the front surface side of the function expansion device 10B
  • FIG. 4B is an external perspective view of the rear surface side of the function expansion device 10B.
  • the function expansion device 10B is detachably interposed between the imaging device 10A and the interface device 20, and has a configuration for expanding the function of the imaging device 10A.
  • the function expansion device 10B has a housing 50 that has a cylindrical appearance as a whole.
  • the housing 50 includes an upper wall plate 21, a lower wall plate 22, a left wall plate 23, and a right wall plate 24, which are opposed to each other, and have through holes that open in the front-rear direction.
  • a printed circuit board 25 on which the network interface 10Bb, the microprocessor 10Cb, the flash memory 10Db, the FPGA 10Eb, the connector 10Gb, and the like are mounted is disposed on the lower wall plate 22.
  • the function expansion device 10B has a mechanical structure that can be directly fitted to one end of the imaging device 10A and one end of the interface device 20.
  • FIG. 5 is a diagram illustrating the interconnection of the imaging device 10A, the function expansion devices 10B and 10C, the interface device 20, and the PC 30.
  • the communication port of the PC 30 is connected to the first communication port of the interface device 20.
  • the second communication port of the interface device 20 is individually connected to the communication ports of the imaging device 10A and the function expansion devices 10B and 10C via a star-shaped communication path.
  • PC30 consists of the elements listed below.
  • the network interface 30A connected to the first communication port is connected to the bus terminal of the microprocessor 30B together with the controller 30C and the main memory 30D.
  • a storage device 30F is connected to an input / output terminal of the controller 30C.
  • the network interface 20A connected to the first communication port is connected to the bus terminal of the microprocessor 20D together with the flash memory 20B and the FPGA 20C.
  • the bus terminal is connected to the star-shaped communication path via the connector 20E.
  • the imaging apparatus 10A has a network interface 10Ba connected to the communication port, and the network interface 10Ba has a connector 10Ga connected to the star-shaped communication path.
  • the network interface 10Ba is connected to the bus terminal of the microprocessor 10Ca together with the flash memory 10Da, the FPGA 10Ea, and the image sensor 10Fa.
  • the communication port and the bus terminal included in the network interface 10Ba are connected to the star-shaped communication path via the connector 10Ga.
  • the suffix “b” is used instead of the suffix “a” added to the end of each component. The description of the configuration is omitted.
  • the configuration of the function expansion device 10C is the same as that of the imaging device 10A except that the imaging device 10Fa is not provided, similarly to the function expansion device 10B. Therefore, the suffix “a” added to the end of each component is used instead. Subscript “c” is added, and the description of the configuration is omitted.
  • firmware to be loaded into the flash memory of the imaging device 10A and the function expansion devices 10B and 10C is stored in a file format in association with the firmware version.
  • the microprocessor 20D links the units as follows by executing the program stored in the flash memory 20B.
  • the FPGA 20C reads the file from the flash memory 20B under the control of the microprocessor 20D.
  • the network interface 20A transfers the file to the flash memory of the imaging device 10A, the function expansion devices 10B, and 10C via the connector 20E and the star-shaped communication path.
  • the microprocessor 10Ca links the units as follows by executing the program stored in the flash memory 10Da.
  • the network interface 10Ba receives the above-described file from the interface device 20 via the star-shaped communication path and the connector 10Ga under the microprocessor 10Ca.
  • the microprocessor 10Ca loads the file into the flash memory 10Da.
  • the FPGA 10Ea reads the firmware in the file under the control of the microprocessor 10Ca, incorporates the read firmware, and executes various processes.
  • FIG. 6 is a flowchart showing a data transfer process between the imaging apparatus 10A and the interface apparatus 20.
  • the network interface 20A transmits an inquiry signal for inquiring about the version of the imaging device 10A to the imaging device 10A under the control of the microprocessor 20D (step ST1).
  • step ST11 When the inquiry signal reaches the imaging device 10A via the star-shaped communication path and is received by the network interface 10Ba, the microprocessor 10Ca responds to the inquiry as shown in FIG. 6 in the imaging device 10A. Correspondence processing is started (step ST11).
  • the microprocessor 10Ca first transmits a request signal for requesting delivery of firmware in association with the version of the firmware (step ST12).
  • the microprocessor 20D monitors whether or not a request signal is notified as a response thereto (step ST2).
  • the microprocessor 20D ends the inquiry process.
  • the microprocessor 20D notifies the version stored in the flash memory 20B. It is confirmed whether there is a newer version than the version associated with the requested request signal (step ST3).
  • step ST3 if it is not confirmed that there is a new version (No in step ST3), the microprocessor 20D ends the inquiry process. On the other hand, if it is confirmed that there is a new version (Yes in step ST3), the network interface 20A DMAs the firmware corresponding to the new version in the file format in the flash memory of the imaging apparatus 10A under the control of the microprocessor 20D. Transfer (step ST4).
  • the microprocessor 10Ca monitors whether the firmware corresponding to the new version is transferred as a response corresponding to the request signal (step ST13).
  • the microprocessor 10Ca confirms whether or not the reception has been performed normally (step ST14).
  • step ST14 the network interface 10Ba notifies the interface device 20 that the processing has been normally completed under the control of the microprocessor 10Ca (step ST15). The inquiry response process is terminated.
  • step ST14 when the microprocessor 10Ca confirms that an abnormality has occurred in the reception of firmware in step ST14 (No in step ST14), the network interface 10Ba has an abnormality in the reception of firmware under the control of the microprocessor 10Ca.
  • the interface device 20 is notified of this (step ST16), and the microprocessor 10Ca ends the inquiry handling process.
  • the microprocessor 20D waits for a notification of the result from the imaging device 10A (step ST5). If the notification of normal termination is confirmed here as described above, the microprocessor 20D updates the information related to the imaging device 10A in accordance with the current firmware update (step ST6), and the microprocessor 20D then uses this information. The inquiry process is terminated.
  • step ST5 when it is confirmed in step ST5 that an abnormality has occurred in the reception of firmware as described above or that no notification from the imaging device 10A is made, the microprocessor 20D confirms this confirmation. Terminates the inquiry process.
  • FIG. 7 is a functional block diagram showing an example of a specific configuration of the information communication system 100 shown in FIG.
  • the interface device 20 is linked to both the imaging device 10A and the function expansion device 10B, but in order to instantaneously select a linkage destination, the imaging device 10A and the function expansion device.
  • Each chip select signal (CS-1, CS-2) corresponding to 10B is generated by decoding the upper address.
  • the interface device 20 includes a flash memory 20B that preliminarily stores information (firmware and the version of the firmware) to be provided for linkage with the imaging device 10A and the function expansion devices 10B and 10C.
  • the work of carrying the PC 30 storing the information to the installation site of the interface device 20 can be omitted. Therefore, in this embodiment, the work burden associated with the delivery of information such as firmware can be reduced as compared with the conventional case.
  • the present disclosure can take the following configurations.
  • a device having a predetermined function An interface device for linking with the device;
  • An information communication system comprising: The interface device An information storage unit for storing in advance information to be provided for the linkage; An information transfer unit that identifies the event for which the linkage should be started and passes the information to the device; An information communication system.
  • the equipment is An imaging device that images a subject and generates an image; A function expansion device interposed between the imaging device and the interface device to expand the function of the imaging device; (1) The information communication system according to (1).
  • the information includes identification information of the device,
  • the equipment is A request transmission unit that transmits a request signal for requesting delivery of the information to the interface device in association with its own identification information;
  • the information transfer unit If there is identification information associated with the request signal among the identification information stored in the information storage unit, the information corresponding to the identification information is delivered to the device (1) or (2) Information communication system.
  • the interface device An inquiry unit that sends an inquiry signal for inquiring about identification information of the device to the device;
  • the request transmitter is The information communication system according to (3), wherein the request signal is transmitted to the interface device in response to the inquiry signal.
  • the information includes a version, The interface device When there is a newer version than the version that the device has in the information storage unit, it has an information designation unit that designates the version, The information transfer unit
  • the information communication system according to (3) wherein information corresponding to the version specified by the information specifying unit is delivered to the device.
  • (6) Link with the device with the specified function, An information storage unit for storing in advance information to be provided for the linkage; An interface device comprising: an information transfer unit that identifies an event to start the linkage and delivers the information to the device.
  • the information includes a version, The interface device according to (6), further including an information designating unit that designates a version of the information storage unit that is newer than a version of the device.
  • the microprocessor 20D notifies that a request signal for requesting delivery of firmware has been sent, that is, that there has been a response from the imaging device 10A.
  • firmware transfer is started as a trigger
  • the present embodiment is not limited to this.
  • the microprocessor 20D can start transfer of firmware triggered by a manual operation such as a button press by the user. good.
  • FIGS. 8 to 10 show modified examples of the information communication system of the present disclosure.
  • the present embodiment is not limited to this, and two imaging devices are included in the interface device. Devices may be connected. Specifically, as shown in FIG. 8, a signal line connected between the interface device 20 and the imaging device 10A is branched in the middle, and another imaging device 10A is connected to the interface device via the branched signal line. 20 may be connected.
  • the two imaging devices 10 ⁇ / b> A connected to the interface device 20 operate by fetching the same address (chip select) from the interface device 20. .
  • the function expansion device may have the same function as the interface device, and the function expansion device may behave like an interface device.
  • the function expansion device 10B-2 may be connected to the function expansion device 10B via a signal line, and handshake communication may be performed between the function expansion devices 10B and 10B-2.
  • the function expansion device 10B inquires of the function expansion device 10B-2 about the version itself, or in response to this inquiry, the function expansion device 10B-2 transmits its version to the function expansion device 10B.
  • the function expansion device 10B may determine whether the version transmitted from the function expansion device 10B-2 is new or old.
  • a plurality of imaging devices 10A having different firmware versions are connected to the interface device 20 via the function expansion device 10B, although the address (chip select) originally assigned to the imaging device 10A is one. (See FIG. 10).
  • the addresses of the respective imaging devices 10A are the same, it is necessary to devise a handshake between the interface device 20 and the imaging device 10A. Therefore, in this modified example, as shown in FIG. 10, a selector (switch) 60 is mounted or externally attached to the function expansion device 10B, and the interface device 20 serves as a control tower to perform switching control of the selector 60, thereby A configuration for selecting the imaging device 10A is adopted.
  • the interface device 20 inquires about the version of the imaging device 10A selected as the link destination, or the imaging device 10A transmits its own version to the interface device 20 in response to this inquiry. Or the interface device 20 determines whether the version transmitted from the imaging device 10A is new or old. Note that the switching control of the selector 60 is not limited to the interface device 20, and the function expansion device 10B may be realized as a control tower.
  • FIG. 11 is a block diagram illustrating protocol conversion according to an embodiment of the present disclosure.
  • the protocol conversion in the interface (I / F) device 20 will be described with reference to FIG.
  • the function expansion device 10B attached to the interface device 20 is capable of programming “HYPERLINK” “https://en.wikipedia.org/wiki/%E9%9B%86%E7%A9%8D. % E5% 9B% 9E% E8% B7% AF " ⁇ o" integrated circuit "FPGA 1101 which is an integrated circuit and CXP standard I / F unit which is a transmitter (TX) which transmits data and commands to the interface device 20 1102.
  • the interface device 20 includes an FPGA 1111 and a CXP standard I / F unit 1112 that is a receiver (RX) that receives data and commands from the function expansion device 10B.
  • the interface device 20 temporarily converts a command (CMD) conversion unit 1113 that converts a command received from the function expansion device 10B and data “HYPERLINK” “http://www.sophia-it.com/content/%E4”.
  • % BF% 9D% E5% AD% 98 “ ⁇ o” “save” ⁇ ⁇ ⁇ ⁇ a frame buffer 1114 for saving, and a data conversion unit 1115 for packetizing data received from the function expansion device 10B via the frame buffer 1114.
  • I have.
  • an I / F unit 1116 of a media access control layer (MAC layer) in the data link layer in the OSI reference model, and a physical layer (PHY: Physical layer) 1117 are provided.
  • MAC layer media access control layer
  • PHY Physical layer
  • the I / F unit 1102 of the function expansion device 10B transmits data to the interface device 20.
  • the I / F unit 1112 of the interface device 20 receives data from the function expansion device 10B, transmits a command to the CDM conversion unit 1113, and transmits data to the data conversion unit 1115 via the frame buffer 1114.
  • the CDM conversion unit 1113 executes mutual conversion of commands between CXP and Gig E (GE), USB or Camera Link (CL) by converting the XML file.
  • the data conversion unit 1115 performs data packetization from CXP to GE, USB, CL, or the like, for example.
  • the conversion command and the packetized data are input to the I / F unit 1116 of the MAC layer.
  • the MAC layer I / F unit 1116 transmits the input conversion command and packetized data to the PHY 1117.
  • the PHY 1117 transmits the received conversion command and packetized data to the PC 1120.
  • the interface device 20 As described above, by performing protocol conversion using the interface device 20 according to the present embodiment, even if the protocol to be used differs depending on the type of I / F (USB, GbE, etc.) on the user side, information on the camera, etc. Since the communication method can be unified with the CXP standard in the communication system 100, the development cost can be suppressed. In addition, by using the interface device 20, various types of I / F other than the CXP standard can be directly connected to the information communication system 100, so that convenience for the user can be improved. Further, in the present embodiment, an example in which the CXP standard is unified is shown. However, the present technology is not limited to this, and protocol conversion is performed using an interface device according to the present technology, so that GE, USB, CL, and the like can be performed. It can be unified to other standards.

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PCT/JP2016/068985 2015-06-30 2016-06-27 情報通信システム及びインターフェース装置 WO2017002752A1 (ja)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2019009153A1 (ja) * 2017-07-06 2019-01-10 株式会社日立国際電気 撮像装置

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CN113986192B (zh) * 2021-11-16 2024-05-14 西安应用光学研究所 一种CoaXPress接口数据和Cameralink接口数据互相转换的方法

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JP2004104533A (ja) * 2002-09-10 2004-04-02 Ricoh Co Ltd デジタルカメラ用クレードル装置
JP2012008864A (ja) * 2010-06-25 2012-01-12 Nikon Corp 複数の電子機器に接続される周辺機器、及びプログラム並びにこのプログラムを記録した記録媒体
JP2012514391A (ja) * 2008-12-29 2012-06-21 レッド．コム，インコーポレイテッド モジュール式のデジタルカメラ

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Publication number Priority date Publication date Assignee Title
JP2004104533A (ja) * 2002-09-10 2004-04-02 Ricoh Co Ltd デジタルカメラ用クレードル装置
JP2012514391A (ja) * 2008-12-29 2012-06-21 レッド．コム，インコーポレイテッド モジュール式のデジタルカメラ
JP2012008864A (ja) * 2010-06-25 2012-01-12 Nikon Corp 複数の電子機器に接続される周辺機器、及びプログラム並びにこのプログラムを記録した記録媒体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019009153A1 (ja) * 2017-07-06 2019-01-10 株式会社日立国際電気 撮像装置
JPWO2019009153A1 (ja) * 2017-07-06 2020-06-18 株式会社日立国際電気 撮像装置

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