JP5070699B2 - In-vehicle device management system - Google Patents

Description

  The present invention relates to a management system for in-vehicle devices.

  Conventionally, various types of audio devices have been developed as in-vehicle devices. Particularly in recent years, audio equipment with a display is a typical example of in-vehicle equipment.

  As such an audio device with a display, as shown in FIG. 3, a genuine unit 100 including a genuine head unit 100a and a genuine display 100b, a navigation computer 110, an air conditioning computer 120, other computers 130, an amplifier 140, and a speaker 150 are provided. Genuine audio equipment is known. The audio device shown in FIG. 3 is configured to manage the navigation computer 110, the air conditioning computer 120, and the other computer 130 in the genuine unit 100.

  In recent years, an audio device has been proposed in which a genuine head unit of an on-vehicle audio device is replaced with a commercially available non-genuine head unit.

For example, in Patent Document 1, an in-vehicle LAN is constructed by connecting various electronic devices such as audio, television, car navigation, air conditioning control, video display, and switch panel with a LAN cable, and each component has one unit. An audio device managed in a head unit and a display, which is provided with an in-vehicle audio adapter for replacing a genuine head unit with a commercially available non-genuine head unit, is described.
JP 2002-321573 A

  However, the invention described in Patent Document 1 uses a commercially available non-genuine head unit instead of a genuine head unit of a genuine audio device, and one or a plurality of non-genuine heads that cannot be controlled by the genuine head unit. When an audio device is retrofitted, there is a problem that the audio signal output from the genuine audio device and the audio signal output from each non-genuine audio device cannot be collectively managed.

  In addition, even if an instruction related to a non-genuine audio device is input from the display of a genuine audio device, the control signal from the head unit of the genuine audio device cannot control the operation of the non-genuine audio device. In addition, there is a problem that the genuine audio device and each non-genuine audio device cannot be centrally controlled in the display.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a genuine device and a non-genuine device when one or more non-genuine devices are retrofitted in addition to the genuine device in the vehicle. It is an object of the present invention to provide an in-vehicle device management system that can centrally manage output signals or operation control of genuine devices.

In order to solve the above-mentioned problem, the invention according to claim 1 is a management system for an in-vehicle device, which is a genuine device that outputs a video signal and an audio signal, and a non-genuine device that outputs a video signal. Genuine video equipment, non-genuine equipment, non-genuine audio equipment that outputs audio signals, a display unit that displays video based on the video signal from the genuine equipment or non-genuine video equipment, and the genuine equipment or A speaker that plays music based on the audio signal from the non-genuine audio device, and the genuine device, the non-genuine video device, and the display unit are connected to each other via a network so that they can communicate with each other, and the genuine device or the A video selector for outputting a video signal of any non-genuine video device to the display unit, the genuine device, the non-genuine audio device, and the speaker; And an audio selector that outputs a sound signal of either the genuine device or the non-genuine audio device to the speaker, and the genuine device, the non-genuine video device, or the non-genuine device. An operation unit configured to be able to select any one of genuine audio devices, and switching control of the video selector so as to output a video signal from the genuine device or the non-genuine video device selected by the operation unit together, and a management device and a control unit for performing switching control of said audio selector so as to output the audio signal from the genuine device or the non-genuine audio device selected by the operation unit, the genuine The device includes a display, and the management device inputs an instruction regarding operation control of the non-genuine device. A GUI circuit for generating an operation button signal for displaying an operation button, a first contact for outputting an output signal of the GUI circuit to the display, and an output signal of the GUI circuit for outputting to the display unit and a switch having a second contact of the control unit controls the switching of said switch, and said Rukoto to display the operation buttons on one of the display or the display unit.

According to a second aspect of the invention, a management system of the in-vehicle apparatus according to claim 1, wherein the external device of the vehicle is a non-genuine device is connected through a relay, the management device the outside by the control of the relay A relay control unit that adjusts the ON time or OFF time of the power source of the device is provided.

A third aspect of the present invention is the in-vehicle device management system according to the first or second aspect , wherein the management device operates an operation signal from the operation button displayed on the display corresponding to the genuine device. A control data conversion circuit is provided that converts the signal into an operation signal corresponding to the non-genuine device and outputs the operation signal to the control unit.
The invention according to claim 4 is an in-vehicle device management system, which is a genuine device, one or more non-genuine devices, and a signal output that performs reproduction based on an output signal from the genuine device or the non-genuine device. And the genuine device, the non-genuine device, and the signal output unit are communicably connected to each other via a network, and output an output signal of either the genuine device or the non-genuine device to the signal output unit. A selector, an operation unit configured to be able to select either the genuine device or the non-genuine device, and an output signal from the genuine device or the non-genuine device selected by the operation unit. A non-genuine device that outputs a video signal, and the signal output unit is based on the video signal. A display unit for displaying an image, wherein the genuine device includes a display, and the management device generates an operation button signal for displaying an operation button for inputting an instruction related to operation control of the non-genuine device. And a switch having a first contact for outputting an output signal of the GUI circuit to the display and a second contact for outputting an output signal of the GUI circuit to the display unit. Controls switching of the switch to display the operation button on either the display or the display unit.
Invention of Claim 5 is the management system of the vehicle equipment of Claim 4 , Comprising: The said management apparatus uses the operation signal from the said operation button displayed on the said display from the operation signal corresponding to the said genuine apparatus. A control data conversion circuit that converts the operation signal corresponding to the non-genuine device and outputs the operation signal to the control unit is provided.

According to the in-vehicle device management system according to the present invention, in the in-vehicle device management system having a genuine device and retrofitting a commercially available non-genuine device that cannot be controlled by simply inputting a control signal from the genuine device, By selecting either the output signal of the device or the output signal of the non-genuine device and outputting the selected audio signal from the signal output unit, it is possible to collectively manage the output signals from the genuine device and the non-genuine device Become. As a result, when one or a plurality of non-genuine devices are retrofitted, the genuine device and each non-genuine device can be centrally managed by one signal output unit.

[Embodiment]
Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a block diagram showing the overall configuration of an in-vehicle device management system 1 according to the present embodiment.

  As shown in FIG. 1, the in-vehicle device management system 1 includes a genuine device 10, non-genuine audio devices 20a and 20b, non-genuine video devices 30a and 30b, a relay 40, other non-genuine devices 50, a management device 60, signals. A speaker 70, a display 80, and a remote controller 90 that function as an output unit are provided. Each of these devices is connected so as to be able to communicate with each other via a network, and an in-vehicle LAN is constructed.

  As described above, the in-vehicle device management system 1 includes the genuine device 10, and the commercially available non-genuine audio devices 20a and 20b and the non-genuine video device 30a that cannot be controlled simply by inputting the control signal from the genuine device 10 as they are. 30b and other non-genuine equipment 50 are retrofitted.

  The genuine device 10 is an in-vehicle device configured integrally with a vehicle on which the genuine device 10 is mounted, and includes a navigation computer 11, an air conditioning computer 12, another computer 13, and a genuine unit 14.

  The navigation computer 11 receives a GPS (Global Positioning System) signal transmitted from an artificial satellite such as NAVSTAR (Navigation System using Timing And Ranging), and the current position of the genuine device 10 (such as a vehicle equipped with the navigation computer 11) The current position is detected by calculation.

  In addition, the navigation computer 11 generates and outputs a video signal that displays the current position of the vehicle by associating the detected current position data with map data stored in a memory (not shown).

  In addition, the navigation computer 11 includes a voice synthesizer (not shown). The voice synthesizer generates and outputs a voice signal for guiding the current position of the vehicle. Note that this audio signal may be output in conjunction with an image representing the current position of the vehicle, or only the audio signal may be output independently.

  The air conditioning computer 12 performs cooling and heating in the vehicle by exchanging heat while circulating the air in the vehicle, and in accordance with an instruction signal from the genuine unit 14, operating conditions of an air conditioning device (not shown), For example, the cold air intensity, the air volume, the wind direction, and the like are controlled.

  The other computer 13 controls the operation of genuine equipment other than the navigation computer 11 or the air conditioning computer 12, and for example, manages vehicle information such as maintenance time and controls a radio unit (not shown). .

  The genuine unit 14 includes a genuine head unit 14a and a genuine multi-display 14b.

  Among these, the genuine head unit 14a is configured to include a CPU, a RAM, and a ROM. The processing program recorded in the ROM is expanded in the RAM, and the processing program is executed by the CPU. Each component is driven and controlled.

  The genuine multi-display 14b is composed of a liquid crystal display, an organic EL display, a plasma display, or the like, and displays a plurality of images in a segmented display area.

  The genuine multi-display 14b displays video based on the video signal output from the navigation computer 11, the air conditioning computer 12, or the other computer 13 as the genuine device 10 in at least one of the segmented display areas. It is supposed to be. For example, a navigation screen transmitted from the navigation computer 11 is displayed.

  The genuine multi-display 14b functions as an operation unit, and at least one of the segmented display areas is configured as a touch panel, and a setting screen for each component of the genuine device 10 Is displayed.

  Next, the non-genuine audio devices 20a and 20b are commercially available audio devices retrofitted into the vehicle by the user, separately from the genuine device 10 configured integrally with the vehicle, and are configured by, for example, an audio player or the like. .

  Similarly, the non-genuine video devices 30a and 30b are commercially available video devices retrofitted into the vehicle by the user, and are configured by, for example, a car navigation device or a car DVD player.

  Next, the relay 40 is a connection means between the other non-genuine device 50 and the management device 60, and receives an electrical signal output from the management device 60 and operates necessary for driving the other non-genuine device 50. An electrical signal is transmitted.

  The other non-genuine device 50 is a commercially available external device retrofitted outside the vehicle by the user, and includes, for example, a rear monitor, a garage remote controller, or a fog lamp.

  Next, the management device 60 includes a CPU 61, an audio selector 62, an amplifier 63, a video selector 64, and a relay control unit 65.

  The CPU 61 receives an input signal from the display device 80 and performs settings related to the operations of the audio selector 62 and the video selector 64.

  That is, the CPU 61 controls the audio selector 62 to select either the audio signal from the genuine device 10 or the audio signal from the non-genuine audio devices 20a and 20b.

  Further, the CPU 61 controls the video selector 64 to select either the video signal from the genuine device 10 or the video signal from the non-genuine video devices 30a and 30b.

  Under the control of the CPU 61, the audio selector 62 selects either an audio signal input from the genuine head unit 14a or an audio signal input from the non-genuine audio equipment 20a, 20b during audio reproduction, and the selected audio signal is The signal is output to the speaker 70 via the amplifier 63.

  The amplifier 63 amplifies the output signal from the audio selector 62 to a predetermined specified level and outputs the amplified signal to the speaker 70.

  Under the control of the CPU 61, the video selector 64 selects either a video signal input from the genuine head unit 14a or a video signal input from the non-genuine video equipment 30a, 30b during video playback, and displays the selected video signal. It outputs to the device 80.

  The relay control unit 65 controls the activation of the relay 40 in accordance with a control signal from the CPU 61. Thereby, it is possible to automatically perform ON / OFF operation of a power source (not shown) for other non-genuine equipment 50 connected to the relay 40.

  Further, the relay control unit 65 of the present embodiment adjusts the ON time / OFF time of the power supply of the other non-genuine device 50 under the control of the relay 40. Thereby, after the power of other non-genuine equipment 50 is turned off, a wake-up timer function that automatically turns on the power after a lapse of a predetermined time, and vice versa. A sleep timer function for automatically turning off the power after a lapse of time is achieved.

  Next, the speaker 70 reproduces audio based on audio signals from the genuine device 10 or the non-genuine video devices 30a and 30b selected by the audio selector 62 and amplified by the amplifier 63.

  The display device 80 is a display such as a liquid crystal display, an organic EL display, or a plasma display, and is configured as a touch panel so as to function as an operation unit. The display device 80 may be configured as a multi-display that displays a plurality of videos in a segmented display area. The display device 80 includes an infrared communication unit (not shown) and can receive an instruction signal from the remote controller 90.

  In addition, the display device 80 is configured to display a setting screen regarding the settings of the audio selector 62 and the video selector 64.

  That is, on the setting screen of the display unit 80, it is possible to select which of the audio signal from the genuine device 10 or the audio signal from the non-genuine audio devices 20a and 20b is reproduced by the speaker 70 by the selection of the audio selector 62. It is like that.

  In addition, on the setting screen of the display device 80, it is possible to select which of the video signal from the genuine device 10 or the video signal from the non-genuine video devices 30a and 30b is to be reproduced on the display device 8 by selecting the video selector 64. It can be done.

  The display unit 80 is configured to display a setting screen related to operation control of the non-genuine audio devices 20a and 20b or the non-genuine video devices 30a and 30b.

  The display unit 80 is configured to display a setting screen related to the wakeup timer function and the sleep timer function of the relay control unit 65. That is, by setting the wake-up time and sleep time of the other non-genuine device 50 on the setting screen of the display device 80, it is possible to control the ON / OFF operation of the other non-genuine device 50. .

  Further, the display unit 80 is adapted to reproduce video based on video signals from the genuine device 10 or the non-genuine video devices 30a and 30b selected by the video selector 64.

The remote controller 90 includes an operation button (not shown), and various instructions can be input by pressing the operation button. In addition, the remote controller 90 includes an infrared communication unit (not shown), and transmits an input instruction signal to the display unit 80 by performing infrared communication with an infrared communication unit (not shown) included in the display unit 80. ing.

  Next, the operation of the in-vehicle device management system 1 according to the present embodiment will be described.

  When it is selected on the setting screen of the display 80 whether the audio signal output from the genuine device 10 or the non-genuine audio device 20a, 20b is to be reproduced by the speaker 70, the CPU 61 selects the audio selector 62 according to the selection. Control the operation.

  Further, when it is selected on the setting screen of the display 80 whether to display the video signal output from the genuine device 10 or the non-genuine video devices 30a and 30b on the display 80, the CPU 61 responds to the selection. The video selector 64 is controlled to operate.

  The instruction input on the setting screen of the display device 80 can also be performed using the remote controller 90.

  Next, when an instruction signal related to the operation of the genuine device 10 is input from the setting screen of the genuine multi-display 14b, the genuine head unit 14a drives and controls the navigation computer 11, the air conditioning computer 12 or the other computer 13 according to the instruction signal. To do.

  Subsequently, when a video signal such as a video signal indicating the current position of the vehicle is output from the navigation computer 11, the air conditioning computer 12, or the other computer 13, the genuine multi-display 14b reproduces a video based on the video signal. . Further, the genuine head unit 14 a inputs the video signal to the audio selector 62.

  Further, when an audio signal such as an audio signal for guiding the current position of the vehicle is output from the navigation computer 11, the air conditioning computer 12 or the other computer 13, the genuine head unit 14 a inputs the audio signal to the video selector 64.

  On the other hand, when an instruction regarding operation control of the non-genuine audio devices 20a and 20b or the non-genuine video devices 30a and 30b is input from the setting screen of the display device 80, the CPU 61 follows the instruction signal and the non-genuine audio devices 20a and 20b or Non-genuine video equipment 30a, 30b is driven and controlled.

  Subsequently, when audio signals are output from the non-genuine audio devices 20 a and 20 b, the audio signals are input to the audio selector 62.

  Further, when a video signal such as a DVD is output from the non-genuine video equipment 30a, 30b, the video signal is input to the video selector 64.

  Next, under the control of the CPU 61, the audio selector 62 selects either the audio signal input from the genuine head unit 14a or the audio signal input from the non-genuine audio equipment 20a, 20b, and the selected audio signal is selected. The data is reproduced by the speaker 70 through the amplifier 63.

  Further, the video selector 64 selects either a video signal input from the genuine head unit 14a or a video signal input from the non-genuine video equipment 30a, 30b under the control of the CPU 61, and the selected video signal is displayed on the display unit. Play at 80.

  Furthermore, when setting of the wake-up time, sleep time, etc. of other non-genuine equipment 50 is performed on the setting screen of the display device 80, the relay control unit 65 controls the relay 40 according to the control signal from the CPU 61, and the other By adjusting the ON time / OFF time of the non-genuine device 50, the wake-up timer function and the sleep timer function of the other non-genuine device 50 are achieved.

As described above, according to the in-vehicle device management system 1 according to the present embodiment, a vehicle-mounted device retrofitted with commercially available non-genuine audio devices 20a and 20b that cannot be controlled simply by inputting a control signal from the genuine device 10 as it is. In the management system 1, the audio selector 62 selects one of the audio signals output from the genuine device 10 or the non-genuine audio devices 20a and 20b, and reproduces the selected audio signal on the speaker 70. The output signals of the non-genuine audio devices 20a and 20b can be centrally managed by the single speaker 70.

Further, in the in-vehicle device management system 1 retrofitted with commercially available non-genuine video devices 30a, 30b, the video selector 64 selects one of the video signals output from the genuine device 10 or the non-genuine video devices 30a, 30b, By reproducing the selected video signal on the display device 80, the output signals of the genuine device 10 and the non-genuine video devices 30a and 30b can be centrally managed by the single display device 80.

Further, by adjusting the power ON time and OFF time of the other non-genuine device 50 which is an external device of the vehicle by relay control, the other non-genuine device 50 is provided with a wake-up timer function and a sleep timer function. Is possible.

[Modification of Embodiment]
Next, a modification of the above embodiment will be described with reference to FIG. In addition, the same code | symbol is attached | subjected to the component similar to the said embodiment, and the description is abbreviate | omitted.

  The management device 60 according to this modification includes a control data conversion circuit 66, a GUI circuit 67, and a switch SW68.

  The control data conversion circuit 66 converts the instruction signal corresponding to the genuine device 10 input from the setting screen of the genuine multi-display 14b into the non-genuine audio devices 20a and 20b, the non-genuine video devices 30a and 30b, or other non-genuine devices 50. Is converted into an instruction signal corresponding to.

  A GUI (Graphical User Interface) circuit 27 is an operation button signal for displaying an operation button for inputting an instruction regarding operation control of the non-genuine audio devices 20a and 20b, the non-genuine video devices 30a and 30b, or other non-genuine devices 50. Is supposed to generate.

  The GUI circuit 67 outputs an operation button signal to the genuine multi-display 14b or the video selector 64 in accordance with the operation state of the switch SW68.

  The switch SW68 is a contact a which is a first contact for outputting the output signal of the GUI circuit 67 to the genuine multi-display 14b, and a second contact for outputting the output signal of the GUI circuit 67 to the display unit 80. A contact point b is provided, and the connection destination is switched to the contact point a or the contact point b in accordance with an instruction signal from the CPU 61.

  Thus, when the switch SW68 is connected to the contact a, the operation button is displayed on the genuine multi-display 14b, and when the switch SW68 is connected to the contact b, the operation button is displayed on the display unit 80. It is like that.

  In addition, the display unit 80 according to the present modification includes operation buttons for inputting instructions regarding operation control of the non-genuine audio devices 20a and 20b, the non-genuine video devices 30a and 30b, or other non-genuine devices 50. A selection button for selecting whether to display on the display 14b or the display device 80 is displayed.

  Further, according to the instruction signal from the display device 80, the CPU 61 of this modification connects the switch SW68 to the contact a when the genuine multi-display 14b is selected as the display destination of the operation button. Further, when the display unit 80 is selected as the display destination of the operation button, the switch SW68 is connected to the contact b.

  Next, the operation of the in-vehicle device management system 1 according to the present embodiment will be described.

In the display device 80, when the genuine multi-display 14b is selected as the display destination of the operation button by pressing the selection button, the CPU 61 connects the switch SW68 to the contact a.

  On the other hand, when the display unit 80 is selected as the display destination of the operation button by pressing the selection button, the CPU 61 connects the switch SW68 to the contact b.

  Next, the GUI circuit 67 displays an operation button for inputting an instruction related to operation control of the non-genuine audio devices 20a and 20b, the non-genuine video devices 30a and 30b, or other non-genuine devices 50 according to an instruction signal of the CPU 61. The operation button signal to be output is output.

  At this time, if the switch SW68 is connected to the contact a, the operation button signal is output to the genuine multi-display 14b, and the operation button is displayed on the genuine multi-display 14b. When the switch SW68 is connected to the contact b, the operation button signal is output to the display device 80 via the video selector 64, and the operation button is displayed on the display device 80.

  Next, when the operation button displayed on the genuine multi-display 14b is pressed, the control data conversion circuit 66 operates the non-genuine audio devices 20a and 20b, the non-genuine video devices 30a and 30b, or other non-genuine devices 50. An instruction signal related to control is converted from an instruction signal corresponding to the genuine device 10 into an instruction signal corresponding to the non-genuine audio device 20a, 20b, the non-genuine video device 30a, 30b, or other non-genuine device 50, and is output to the CPU 61. To do.

  As described above, according to the in-vehicle device management system 1 according to the present modification, an instruction input relating to operation control of the non-genuine audio devices 20a and 20b, the non-genuine video devices 30a and 30b, or other non-genuine devices 50 is performed. For example, the non-genuine audio devices 20a and 20b and the non-genuine video device are displayed on the genuine multi-display 14b of the genuine device 10 by displaying the operation button for switching on the genuine multi-display 14b or the display device 80 by switching the switch SW68. It is possible to input an instruction regarding operation control of 30a, 30b or other non-genuine equipment 50.

When the operation button displayed on the genuine multi-display 14b of the genuine device 10 is pressed, the operation signal is changed from the operation signal corresponding to the genuine device 10 to the non-genuine audio devices 20a and 20b, the non-genuine video device 30a, 30b or other non-genuine device 50 is converted into an operation signal corresponding to the non-genuine device 50 and output to the CPU 61, so that the non-genuine audio device 20a, 20b, the non-genuine video device 30a, 30b, or other The genuine device 50 can be controlled.

  As described above in detail, according to the in-vehicle device management system of the present invention, when one or a plurality of non-genuine devices are retrofitted and used in the vehicle, these genuine devices and Each non-genuine device can be centrally managed.

It is a block diagram which shows the whole structure of the management system of the vehicle equipment which concerns on this embodiment. It is a block diagram which shows the whole structure of the management system of the vehicle equipment which concerns on the modification of this embodiment. It is a block diagram which shows the whole structure of the management system of the conventional vehicle equipment.

Explanation of symbols

1 In-vehicle device management system 10 Genuine device 11 Navigation computer 12 Air conditioning computer 13 Other computer 14 Genuine unit 14a Genuine head unit 14b Genuine multi-display 20a, 20b Non-genuine audio device 30a, 30b Non-genuine video device 40 Relay 50 Other non Genuine equipment 60 Management device 61 CPU
62 Audio selector 63 Amplifier 64 Video selector 65 Relay control unit 66 Control data conversion circuit 67 GUI circuit 68 Switch SW
70 Speaker 80 Display 90 Remote Controller

Claims (5)

Genuine equipment that outputs video and audio signals,
A non-genuine device, a non-genuine video device that outputs video signals,
Non-genuine equipment, non-genuine audio equipment that outputs audio signals,
A display unit for displaying video based on the video signal from the genuine device or the non-genuine video device;
A speaker for playing music based on the audio signal from the genuine device or the non-genuine audio device;
A video selector that is communicably connected to the genuine device, the non-genuine video device, and the display unit via a network, and outputs a video signal of either the genuine device or the non-genuine video device to the display unit And an audio selector that is connected to the genuine device, the non-genuine audio device, and the speaker via a network so that they can communicate with each other, and outputs a sound signal of either the genuine device or the non-genuine audio device to the speaker. An operation unit configured to select any one of the genuine device, the non-genuine video device, and the non-genuine audio device, and the genuine device or the non-genuine video device selected by the operation unit. The video selector is switched so that a video signal is output, and is selected by the operation unit. Wherein and a management device and a control unit for performing switching control of said audio selector so as to output the audio signal from the genuine device or the non-genuine audio equipment was,
The genuine device has a display,
The management device includes a GUI circuit that generates an operation button signal for displaying an operation button for inputting an instruction related to operation control of the non-genuine device, and a first for outputting an output signal of the GUI circuit to the display. And a switch having a second contact for outputting an output signal of the GUI circuit to the display unit, and the control unit controls switching of the switch to display the operation button on the display or the management system of the in-vehicle apparatus, wherein Rukoto be displayed on either of the display unit. External equipment of the vehicle that is non-genuine equipment is connected via a relay,
The in-vehicle device management system according to claim 1, wherein the management device includes a relay control unit that adjusts an ON time or an OFF time of a power source of the external device by controlling the relay. The management device converts an operation signal from the operation button displayed on the display from an operation signal corresponding to the genuine device into an operation signal corresponding to the non-genuine device, and outputs the control signal to the control unit vehicle equipment management system according to claim 1 or 2, characterized in that it comprises a circuit. Genuine equipment,
One or more non-genuine equipment,
A signal output unit for performing reproduction based on an output signal from the genuine device or the non-genuine device;
The genuine device, the non-genuine device, and the signal output unit are connected to be communicable with each other via a network, and a selector that outputs an output signal of either the genuine device or the non-genuine device to the signal output unit, An operation unit configured to be able to select either the genuine device or the non-genuine device, and switching of the selector so as to output an output signal from the genuine device or the non-genuine device selected by the operation unit. A management device including a control unit that performs control,
The non-genuine device is a non-genuine video device that outputs a video signal, and the signal output unit is a display unit that displays an image based on the video signal,
The genuine device has a display,
The management device includes a GUI circuit that generates an operation button signal for displaying an operation button for inputting an instruction related to operation control of the non-genuine device, and a first for outputting an output signal of the GUI circuit to the display. And a switch having a second contact for outputting an output signal of the GUI circuit to the display unit, and the control unit controls switching of the switch to display the operation button on the display or the An in-vehicle device management system characterized by displaying on either one of the display units. The management device converts an operation signal from the operation button displayed on the display from an operation signal corresponding to the genuine device into an operation signal corresponding to the non-genuine device, and outputs the control signal to the control unit The in-vehicle device management system according to claim 4, further comprising a circuit.

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