JP2013137668A - Drive recorder - Google Patents

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Publication number
JP2013137668A
JP2013137668A JP2011288524A JP2011288524A JP2013137668A JP 2013137668 A JP2013137668 A JP 2013137668A JP 2011288524 A JP2011288524 A JP 2011288524A JP 2011288524 A JP2011288524 A JP 2011288524A JP 2013137668 A JP2013137668 A JP 2013137668A
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Prior art keywords
control unit
video data
drive recorder
display device
display
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Granted
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JP2011288524A
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Japanese (ja)
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JP5856477B2 (en
Inventor
Junichi Kagoshima
順一 鹿子島
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Kayaba Ind Co Ltd
カヤバ工業株式会社
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Priority to JP2011288524A priority Critical patent/JP5856477B2/en
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Publication of JP5856477B2 publication Critical patent/JP5856477B2/en
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Abstract

PROBLEM TO BE SOLVED: To provide a drive recorder and a drive recorder system which are mounted on a vehicle and record video data.SOLUTION: A drive recorder (10) includes a camera (12), an image processing unit (140), a record control unit (150), a display control unit (120), and a control unit (160). When the control unit (160) receives operation information that is information on operation made on an external display device (200) externally connected to the drive recorder (10), from the external display device (200), the control unit (160) outputs video data based on the received operation information to the external display device (200).

Description

  The present invention relates to a drive recorder that is mounted on a vehicle and records video data.

  A drive recorder that records driving data of a vehicle together with video data is mounted on the vehicle. For example, when an impact occurs in the vehicle, the drive recorder is configured to acquire video data for a predetermined time before and after the time when the impact occurred and to record the data in a memory card.

  In such a drive recorder, when confirming the contents of the video data recorded on the memory card, the memory card on which the video data is recorded is moved to a personal computer (PC) having a video data playback function.

  In addition, the drive recorder can be provided with a liquid crystal monitor, or the recorded video data can be reproduced on the drive recorder main body by using the monitor function of the in-vehicle car navigation device.

  Patent Document 1 discloses a drive recorder as a monitor for displaying video data acquired by a camera or a monitor for displaying the control contents of a vehicle or a monitor for a car navigation device.

JP 2009-193257 A

  As described above, when video data is recorded on a memory card, a trouble is required for moving the memory card. In the case of directly reproducing video data recorded on a drive recorder by a car navigation display device, the video data is once converted into an analog signal and displayed on a monitor by a cable for transmitting the analog signal.

  In this case, the image quality is deteriorated by converting the digital signal into an analog signal. In addition, the drive recorder only transmits video signals between the drive recorder and an external display device, and outputs and displays operation information (video data selection, playback, stop, fast forward, rewind, etc.) for the video data. Cannot be operated with the device (touch panel). In particular, in order to provide a general-purpose car navigation apparatus with such a function, it is necessary to modify hardware and software, which increases costs. In addition, in order to perform operations (video data selection, playback, stop, fast forward, rewind, etc.) on the video data from the drive recorder, there are restrictions on the layout, such as placing the display device and the drive recorder close to each other. To do.

  The present invention has been made in view of such problems, and a drive capable of improving operability even when video data is displayed on a display device connected to the outside of the drive recorder without increasing the cost. An object is to provide a recorder.

  The present invention relates to a camera mounted on a vehicle that acquires video data, an image processing unit that encodes video data, a recording control unit that records video data encoded by the image processing unit, and recording and display of video data And a control unit that controls the operation information from the external display device connected to the outside of the drive recorder. If received, the video data based on the received operation information is output to the external display device.

  According to the present invention, when the drive recorder receives operation information from an external display device connected to the outside of the drive recorder, the drive recorder outputs video data based on the operation information. By such control, it is possible to reflect the operation performed on the video data from the external display device in the video data by the control of only the drive recorder. As a result, it is possible to control the display of video data and the display of video data on the drive recorder without changing hardware or software in order to control an external display device for car navigation that is generally used conventionally. It can be used and does not increase the cost for displaying video data.

It is explanatory drawing of the drive recorder system containing the drive recorder of this invention of embodiment of this invention. It is a functional block diagram of the drive recorder of the embodiment of the present invention. It is a flowchart which shows the display process of the video data of embodiment of this invention. It is a flowchart which shows the process of the control part of embodiment of this invention. It is explanatory drawing which shows the example of a display of the video data in the display apparatus of embodiment of this invention.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is an explanatory diagram of a drive recorder system 1 including a drive recorder 10 according to an embodiment of the present invention.

  The drive recorder system 1 includes a drive recorder 10 mounted on a vehicle 11, a personal computer (hereinafter referred to as a PC) 20 installed in a business office, and a memory card 30 that records data acquired by the drive recorder 10. Is done.

  The drive recorder 10 acquires travel data (for example, vehicle speed, engine speed, latitude, longitude, etc.) from the vehicle 11, and records these at predetermined time intervals together with date / time information. The drive recorder 10 records video data acquired by the camera 12. The travel data and the video data are recorded on the memory card 30 inserted into the drive recorder 10 via the recording control unit 150.

  The drive recorder 10 includes a recording control unit 150 that writes and reads data to and from the memory card 30 with the memory card 30 inserted, and a recording button 180 that artificially records image data on the memory card 30. Further, an LED 193 that displays the state of the drive recorder 10 according to the lighting state (color, blinking, etc.) is provided.

  The vehicle 11 is provided with a display device 200. The display device 200 includes a display unit 210 including a liquid crystal display (LCD). The display device 200 includes a USB interface 220 as described later, and is configured to display video data recorded on the drive recorder 10 via the USB cable 250.

  The display device 200 includes a car navigation system mounted on the vehicle 11, a PND (Portable Navigation Device), a media playback device, and the like.

  The PC 20 includes a memory card interface 21 that writes data to and reads data from the memory card 30 with the memory card 30 inserted, a display unit 22 that includes a liquid crystal display that can display image data, and the like. And an input unit 23 including a keyboard and a mouse that can input instructions from.

  The memory card 30 is configured to be readable and writable by the recording control unit 150 and the memory card interface 21. For example, a flash memory card such as SD (Secure Digital) or CF (Compact Flash (registered trademark)) is used.

  FIG. 2 is a functional block diagram of the drive recorder 10 according to the embodiment of the present invention.

  The drive recorder 10 includes an image processing unit 140 that performs image processing on a video signal received from the camera 12 based on a predetermined encoding method, and an internal memory that temporarily records the video data encoded by the image processing unit 140. 130, a recording control unit 150 that records video data on the memory card 30, and a display control unit 120 that decodes the video data recorded by a predetermined encoding method and reproduces the video data so that the video data can be displayed. As an encoding method by the image processing unit 140, for example, a JPEG method or an MPEG method is used.

  The drive recorder 10 includes a control unit 160. The control unit 160 is connected to the internal memory 130 and controls reading and writing of data with the internal memory 130. The control unit 160 is connected to the image processing unit 140, receives a signal from the image processing unit 140, and sends a control signal to the image processing unit 140. The control unit 160 is connected to the recording control unit 150 and controls reading / writing of data from / to the memory card 30 with the recording control unit 150. Further, the control unit 160 is connected to the acceleration sensor 170 and the recording button 180, and signals from the acceleration sensor 170 and the recording button 180 are input. In addition, the control unit 160 is connected to the audio control unit 190 and controls output of audio from the speaker 191 connected to the audio control unit 190 and acquisition of audio from the microphone 192 connected to the audio control unit 190. The control unit 160 is connected to the LED 193 and outputs a signal for controlling the lighting state of the LED 193.

  In addition, the control unit 160 is connected to the USB interface 110 and controls data transmission / reception with the display device 200 (to be described later) through the USB interface 110 via the USB cable 250. The control unit 160 is connected to the display control unit 120 and controls display contents to be displayed on the display device 200. The display control unit 120 is connected to the USB interface 110 and outputs display contents to the USB interface 110.

  The internal memory 130 has a non-volatile area composed of a non-volatile memory such as a flash ROM, and retains recorded data even after the power supplied to the drive recorder 10 is cut off and the operation of the drive recorder 10 is stopped. It is configured to be able to. The internal memory 130 includes a buffer area formed of a volatile memory such as SDRAM, and can be used as a buffer for temporarily recording video data when recording video data on the memory card 30.

  The acceleration sensor 170 detects the acceleration applied to the vehicle 11, and when the detected acceleration exceeds a predetermined threshold, notifies the control unit 160 to that effect. The record button 180 causes the memory card 30 to record travel data and video data by a user operation regardless of the detection of the occurrence of an event by the acceleration sensor 170. When receiving the notification from the acceleration sensor 170, the control unit 160 determines that an event such as an impact has occurred in the vehicle 11, and images from the buffer area of the internal memory 130 for a predetermined time before and after the impact occurrence time. Extract data. The extracted video data is recorded on the memory card 30 by the recording control unit 150.

  The sound control unit 190 acquires sound with the microphone 192 and records the acquired sound data in the internal memory 130 or the memory card 30. In addition, the sound control unit 190 reproduces the recorded sound data and outputs sound through the speaker 191. Moreover, the drive recorder 10 is provided with LED193 which displays the state of the drive recorder 10 by the lighting state.

  As will be described later, the USB interface 110 is connected to the USB interface 220 of the display device 200 as an external display device connected to the outside of the drive recorder 10 via the USB cable 250. Thereby, the video data recorded on the drive recorder 10 can be displayed on the display device 200.

  The control unit 160 first records the video data encoded by the image processing unit 140 in the internal memory 130. The control unit 160 records the video data recorded in the internal memory 130 on the memory card 30 via the recording control unit 150. Note that when the control unit 160 records video data in the memory card 30, the video data may be encrypted. By encrypting the video data, there is no need to read or tamper with the video data recorded on the memory card 30 by a third party.

  In addition, when the control unit 160 emits a confirmation sound or an alarm sound for the operation of the drive recorder 10, the control unit 160 controls the sound control unit 190 to reproduce the corresponding sound and output it from the speaker 191.

  In addition, the control unit 160 includes an interface (not shown) with the vehicle 11, acquires travel data (vehicle speed, acceleration, etc.) and records it in the memory card 30 together with video data.

  Further, the control unit 160 displays the state of the memory card 30 and the state of the drive recorder 10 by the lighting state of the LED 193.

  The display device 200 includes a display unit 210, a USB interface 220, and a control unit 230.

  The display unit 210 is composed of an LCD and displays video data recorded on the drive recorder 10. In addition, the display unit 210 has a touch panel function. Specifically, when the display surface of the display unit 210 is set in a matrix and XY coordinates are set, and the display unit 210 is operated (operation in which the user touches the display surface), the control unit 230 The coordinate information is acquired, and the coordinate information is sent to the drive recorder 10 via the USB interface 220.

  The control unit 230 controls the display unit 210 and the USB interface 220.

  Next, display of video data by the drive recorder 10 and the display device 200 will be described.

  FIG. 3 is a flowchart of display processing performed in the drive recorder 10 and the display device 200 according to the embodiment of this invention. 3, the process of the control unit 160 of the drive recorder 10 is shown on the left side, the process of the control unit 230 of the display device 200 is shown on the right side, and the control unit 160 and the control unit 230 are executed in parallel. Will be explained.

  In the drive recorder 10, the control unit 160 periodically executes the process of the flowchart shown on the left side of FIG.

  First, in the drive recorder 10, the control unit 160 determines whether or not a playback mode has been selected by a user operation (step S101).

  If it is determined that the playback mode is not selected, the control unit 160 shifts to the recording mode, and the control unit 160 uses the image processing unit 140 based on a predetermined encoding method for the video signal received from the camera 12 as described above. The image processing is performed, and the encoded video data is temporarily recorded in the internal memory 130. Thereafter, the control unit 160 records the recorded video data on the memory card 30 by the recording control unit 150.

  The determination as to whether or not the playback mode is in, for example, it may be determined that the playback mode has been entered when the USB cable 250 is connected to the USB interface 110 of the drive recorder 10, or the drive recorder 10 It is also possible to provide an interface such as a button for accepting user input and determine that the mode is the playback mode when a signal indicating the playback mode is input from this button.

  If it is determined that the playback mode has been selected, the control unit 160 checks whether the drive recorder 10 and the display device 200 are connected via the USB cable 250 (step S102). Specifically, the control unit 160 transmits a signal for confirming whether the drive recorder 10 and the display device 200 are connected by the USB cable 250 to the control unit 230 via the USB interface 110 and the USB interface 220. A response to this signal is received from the display device 200.

  On the other hand, also in the display device 200, the control unit 230 periodically executes the processing of the flowchart shown on the right side of FIG.

  In the display device 200, the control unit 230 detects whether the USB cable is connected to the USB interface 220, and determines whether the USB connection is started (step S201).

  When the USB cable 250 is not connected to the USB interface 220, the control unit 230 shifts to the internal processing mode. In this case, for example, when the display device 200 is a car navigation system, the control unit 230 executes processing such as displaying the current position on the map based on GPS or a vehicle speed signal. When the display device 200 is a media playback device, video data and audio data recorded on an inserted DVD or memory card are played back.

  When the USB cable 250 is connected to the USB interface 220 and a USB connection confirmation signal is sent, the USB interface 220 transmits a response to the USB connection confirmation to the USB interface 110 that is the signal transmission source, and The control unit 230 shifts to the external input mode, and displays on the display unit 210 to indicate that it is in the external input mode (step S202).

  When the drive recorder 10 receives a response to the USB connection confirmation from the display device 200 in step S102, the control unit 160 performs a process for causing the display device 200 to reproduce the video data recorded on the memory card 30. (Step S103).

  In step S103, the control unit 160 reads the video data recorded on the memory card 30, and after the display control unit 120 decodes the video data, the decoded video data is sent to the display device 200 via the USB interface 110. Send.

  Specifically, the control unit 160 once reads the video data recorded on the memory card 30 via the recording control unit 150 to the internal memory 130. Then, the control unit 160 creates a display screen to be displayed on the display unit 210 of the display device 200 by processing of the display control unit 120 from the video data recorded in the internal memory 130. When a plurality of video data is recorded on the memory card 30, the display control unit 120 creates a display screen for displaying a plurality of video data on the display device 200 as thumbnails. The control unit 160 divides the created display screen into data sizes conforming to the USB standard, and sends the display screen from the display control unit 120 to the USB interface 110 at a predetermined timing conforming to the USB standard. The USB interface 110 transmits the divided data to the display device 200 via the USB cable 250 at a predetermined timing. When the video data recorded on the memory card 30 is encrypted, the control unit 160 performs the video data decryption process and then reads the video data into the internal memory 130.

  The display device 200 displays the display screen sent via the USB interface 220 on the display unit 210 (step S203).

  In the display device 200, when the display screen is displayed on the display unit 210, the control unit 230 stands by until a user's operation instruction is given by the touch panel function of the display unit 210 (step S204). When the operation instruction from the user is detected, the control unit 230 acquires coordinate information on the display unit 210 (step S205). The control unit 230 transmits the acquired coordinate information to the drive recorder 10 via the USB interface 220 as an operation instruction that is information related to an operation performed on the display device 200.

  After displaying the video data in the drive recorder 10, the control unit 160 stands by until there is an operation instruction from the display device 200 via the USB interface 110 (step S104). When the operation instruction sent from the display device 200 is detected, the control unit 160 acquires coordinate information from the detected operation instruction (step S105). The control unit 160 executes processing corresponding to the acquired coordinate information, and outputs a display screen corresponding to the executed processing to the display device 200 (step S106). The processing in step S106 will be described later with reference to FIG. The display device 200 displays the display screen sent via the USB interface 220 on the display unit 210 (step S207).

  When there is a user operation on the video data displayed on the display unit 210 of the display device 200 by the processes of steps S106 and S205 to S207, the control unit 160 of the drive recorder 10 displays the video data corresponding to the operation. Change the display screen so that is displayed. This video data is reflected and displayed on the display unit 210 of the display device 200.

  For example, when the display control unit 120 displays a plurality of video data as thumbnails on the display unit 210 and the user touches one of the thumbnail images on the display screen, the coordinate information is transmitted from the display device 200 to the drive recorder 10. It is done. The control unit 160 determines whether any of the thumbnail images is selected from the received coordinate information, reproduces video data corresponding to the selected thumbnail image, and transmits the video data to the display device 200.

  Thereafter, in the drive recorder 10, the control unit 160 determines whether or not the end of the reproduction of the video data is instructed by a user operation or the like (step S107). If it is determined that the end of video data playback has been instructed, the control unit 160 ends the playback mode and transitions to the recording mode. If the end of the reproduction of the video data is not instructed, the process returns to step S104, and the control unit 160 repeats the process. The end of the reproduction of the video data is determined when, for example, the user performs a touch operation on the display unit 210 or the USB cable 250 is removed.

  On the other hand, in the display device 200, the control unit 230 determines whether or not the USB connection is terminated, for example, when the USB cable 250 is removed or a USB connection instruction is sent from the drive recorder (step S200). S208). If it is determined that the USB connection has been completed, the video data reproduction process is terminated, and the process proceeds to the internal processing mode. If it is determined that the USB connection is continued, the process returns to step S204, and the control unit 230 repeats the process.

  FIG. 4 is a flowchart showing the process of step S106 of FIG. 3 in the control unit 160 according to the embodiment of the present invention.

  As shown in the flowchart of FIG. 3 described above, the display screen is sent from the display control unit 120 to the display device 200 via the USB interface 110 by the processing of the control unit 160 (step S103 in FIG. 3). In the display device 200, the sent display screen is displayed on the display unit 210 (step S203 in FIG. 3). Note that, as will be described later with reference to FIG. 5, operation buttons and the like for receiving instructions for video data are displayed on the display screen by processing of the display control unit 120.

  When the user performs a touch operation on the operation button, the control unit 230 acquires coordinate information on the display unit 210 at the touched position (step S205 in FIG. 3), and instructs the acquired coordinate information to operate. Is transmitted to the drive recorder 10 via the USB interface 220 (step S206 in FIG. 3).

  At this time, the process of the flowchart shown in FIG. First, the control unit 160 determines which one of the operation buttons on the display screen has been selected from the coordinate information included in the sent operation instruction (step S301). Then, the control unit 160 executes a process corresponding to the selected button on the video data being displayed (step S302).

  For example, when a thumbnail of video data is displayed on the display screen, when the user selects one of the thumbnails, the control unit 160 sends the video data selected from the thumbnail display to the display control unit 120. Make the playback display.

  At this time, the display control unit 120 displays operation buttons suitable for a reproduction screen for reproducing video data on the display screen. For example, a playback button for starting playback of video data, a stop button for stopping playback of video data, a fast-forward button for fast-forwarding video data, and a rewind button for rewinding video data are displayed.

  When the stop button is selected when video data is being played back on the display screen, the control unit 160 causes the display control unit 120 to change the video data being played back to the stopped display screen.

  When the fast-forward button is selected when video data is being played back on the display screen, the control unit 160 causes the display control unit 120 to change the video data being played back to a display screen for fast-forward display.

  When the button for returning to the thumbnail is selected after the video data is stopped on the display screen, the control unit 160 causes the display control unit 120 to change the video data to the thumbnail from the display screen.

  The display screen changed in this way is sent from the display control unit 120 to the display device 200 via the USB interface 110 by the control unit 160 (step S303), as in step S103 of FIG.

  In the display device 200, the control unit 230 displays the display screen sent via the USB interface 220 on the display unit 210.

  As described above, the display screen is changed by the control of the control unit 160 of the drive recorder 10 based on the position (coordinate information) where the display unit 210 of the display device 200 is touched by the processing shown in the flowchart of FIG. The changed display screen is displayed on the display unit 210.

  FIG. 5 is an explanatory diagram illustrating an example of display of video data displayed on the display unit 210 of the display device 200 according to the embodiment of this invention.

  FIG. 5A shows an example when a plurality of video data 210a are displayed as thumbnails on the display unit 210. FIG.

  When a plurality of video data 210a is recorded on the memory card 30 as described above, the display control unit 120 creates a display screen on which the plurality of video data 210a are displayed as thumbnails by the process of step S103 in FIG. Then, the created display screen is sent to the display device 200. The display device 200 displays the display screen sent from the drive recorder 10 on the display unit 210. As a result, a plurality of video data 210a are displayed as thumbnails on the display unit 210.

  At this time, when one of the video data 210a displayed as thumbnails by the user is selected by a touch operation on the touch panel, the display device 200 detects the coordinate information of the touched position and transmits it to the drive recorder 10 as an operation instruction. To do.

  The control unit 160 of the drive recorder 10 extracts coordinate information included in the sent operation instruction, and determines which video data 210a is selected from the video data displayed as thumbnails on the display unit 210. Then, the control unit 160 reproduces the selected video data 210a on the display unit 210 as a moving image.

  FIG. 5B shows an example when the video data 210 b is reproduced on the display unit 210.

  In the display unit 210, the video data 210b is reproduced and displayed. At this time, in the process of step S106 of FIG. 3 described above, the display control unit 120 displays the operation button 210c for receiving an instruction for the video data 210b. The operation button 210c includes a playback button for starting playback of video data, a stop button for stopping playback of video data, a fast-forward button for fast-forwarding video data, and a rewind button for rewinding video data.

  Here, when the user selects one of the operation buttons 210c by a touch operation, the display device 200 transmits coordinate information of the touched position to the drive recorder 10 as an operation instruction.

  The control unit 160 of the drive recorder 10 determines which one of the operation buttons 210c displayed on the display unit 210 has been selected from the coordinate information included in the sent operation instruction. Then, the control unit 160 executes processing corresponding to the selected button on the video data 210b being displayed. For example, when the stop button is selected, the video data 210b being reproduced is stopped and displayed. When the fast-forward button is selected, the video data 210b being reproduced is displayed in fast-forward.

  The operation button 210c displayed on the display unit 210 is not limited to the display as shown in FIG. 5B. For example, a button for returning to the thumbnail display during reproduction of the video data, the USB connection is terminated. You may display the button etc. which complete | finish reproduction | regeneration of video data.

  As described above, when the drive recorder 10 according to the embodiment of the present invention reproduces video data recorded on the memory card 30, the display control unit 120 is connected to the display device 200 connected to the outside of the drive recorder 10. The video data is output on the display device by outputting the video data. In addition, when receiving operation information such as coordinate information transmitted from the display device 200, the control unit 160 is configured to reflect an operation corresponding to the received operation information on the video data by the display control unit 120.

  With this configuration, video data can be reproduced on the display device 200 connected to the outside of the drive recorder 10. In addition, when the drive recorder 10 receives operation information, which is information related to an operation on the display device 200 such as a touch panel, from the display device 200, the process corresponding to the received operation information is executed on the drive recorder 10 side. Can do.

  Therefore, since the control relating to the reproduction of the video data can be performed only by the operation on the display device 200, the operability of the operation relating to the video data of the user is improved. Furthermore, it is only necessary that the drive recorder 10 and the display device 200 be communicably connected by, for example, the USB cable 250, and there is no restriction on the installation of the drive recorder 10 and the display device 200. improves.

  Further, the display device 200 has a touch panel function, and transmits a user operation to the drive recorder 10 as touch panel coordinate information. Since the touch panel function is a function provided in advance in the general display device 200, it is not necessary to add a special configuration or software to the display device 200. For this reason, it is possible to suppress an increase in processing burden and an increase in cost in the drive recorder 10 and the display device 200.

  Further, since the drive recorder 10 and the display device 200 transmit and receive signals through the USB interface 110 and the USB interface 220, the video data can be transmitted as it is and displayed on the display unit 210. Therefore, conversion to an analog signal that causes deterioration of video data does not occur. Further, since the existing USB interface 220 can be used as it is, it is not necessary to add a new configuration, and an increase in processing load and an increase in cost in the drive recorder 10 and the display device 200 can be suppressed.

  It goes without saying that the present invention is not limited to the above-described embodiments, and includes various modifications and improvements that can be made within the scope of the technical idea.

1 Drive Recorder System 10 Drive Recorder 11 Vehicle 12 Camera 20 Personal Computer (PC)
DESCRIPTION OF SYMBOLS 30 Memory card 110 USB interface 120 Display control part 130 Internal memory 140 Image processing part 150 Recording control part 160 Control part 170 Acceleration sensor 180 Record button 190 Audio | voice control part 200 Display apparatus 210 Display part 220 USB interface 230 Control part

Claims (4)

  1. A camera that is mounted on a vehicle and acquires video data;
    An image processing unit for encoding the video data;
    A recording control unit for recording the video data encoded by the image processing unit;
    A control unit for controlling recording and display of the video data;
    A drive recorder comprising:
    The control unit, when receiving operation information that is information related to an operation performed on the external display device from an external display device connected to the outside of the drive recorder, the control unit based on the received operation information A drive recorder for outputting video data to the external display device.
  2. The display control unit for causing the external display device to output the video data recorded in the recording control unit;
    When the operation information is received from the external display device, the control unit instructs the display control unit to perform an operation corresponding to the received operation information.
    2. The drive recorder according to claim 1, wherein the display control unit reflects the instruction from the control unit in the video data and outputs the video data to the external display device.
  3.   When the control unit receives coordinate information corresponding to an operation position of an operation performed on the external display device, the control unit instructs the display control unit to perform a processing operation corresponding to the received coordinate information. The drive recorder according to claim 1 or 2.
  4.   The control unit encrypts video data when recording the video data by the recording control device, and decrypts the video data when reading the video data recorded by the recording control device. The drive recorder according to claim 1, wherein the drive recorder is performed.
JP2011288524A 2011-12-28 2011-12-28 Drive recorder Expired - Fee Related JP5856477B2 (en)

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JP2016092531A (en) * 2014-10-31 2016-05-23 株式会社トランストロン Image transmission device, image acquisition method, and image acquisition program

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