JP2007324687A - Recorder/reproducer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a recorder/reproducer in which the information about the recorder/reproducer can be displayed without operating the recorder/reproducer itself by switching the external input by means of the remote controller of an external display. <P>SOLUTION: An external input switching code originated is stored in an information storage 31, when the external input switching key 11a of a TV remote controller 11 is depressed. When the external input switching code is detected; a control unit 3 controls the operation to supply power to an OSD display unit 7, to generate an OSD indicative of the information of the recorder/reproducer 1 such as the residual capacity of an HDD 2 stored in the information storage section 31, and to display it in a TV monitor 10 while overlapping a video signal. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  According to the present invention, in a recording / reproducing apparatus connected to an external display device, when an external input switch is instructed by a remote controller that operates the external display device, information stored in the recording / reproducing device is automatically displayed on the display device. The present invention relates to a recording / reproducing apparatus displayed on a screen.

  Conventional electronic devices can be connected to external peripheral devices and electronic devices. Various methods have been disclosed for displaying the status of the external device. For example, Patent Literature 1 discloses a method that enables display of connection states with a plurality of external devices. Further, Patent Document 2 discloses a method of displaying the remaining capacity of a mounted external memory or recording medium, a recording state, and the like on a display unit using a remote controller.

Japanese Patent Laid-Open No. 11-261918 JP 2005-197954 A

  However, in the method of Patent Document 1, in order to confirm the state of the external device, the external device must be turned on. Further, the method of Patent Document 2 displays the state of a mounted recording medium or the like, and cannot display the state of another electronic device.

  The present invention has been made in view of the above problems, and when an external display device obtains a video / audio signal from another device, it detects an external input switching code transmitted when the user performs external input switching with a remote control, Accordingly, an object of the present invention is to provide a recording / reproducing apparatus capable of displaying information of the own apparatus superimposed on a video / audio signal transmitted to an external display apparatus.

A recording / reproducing apparatus according to claim 1 is a recording medium capable of recording video / audio data;
Video / audio processing means for processing a video / audio signal stored in the recording medium or input from the outside;
OSD display means for performing OSD (On Screen Display) display superimposed on a video / audio signal processed by the video / audio processing means or a video / audio signal in a no-signal state;
Non-volatile storage means for storing information relating to the operation of the device;
A remote controller for recording / reproducing apparatus for operating the operation of the apparatus;
A light receiving unit for transmitting an operation by the remote controller for the recording / reproducing apparatus to the control unit;
Power supply means for supplying power to them,
A control unit that controls the power supply to each means and controls the operation of the entire apparatus,
An external input switching code that is issued when the external display device remote controller for operating the external display device switches to video / audio display from an external input is stored in the non-volatile storage means, and is transmitted from the external display device remote control. When the external input switching code is detected by the light receiving unit, information stored in the non-volatile storage unit is read, and OSD display is performed on the external display device through the OSD display unit.

  According to the configuration of the first aspect, when the video / audio to be displayed on the external display device is switched by the external input switch key provided on the remote controller for the external display device, the external input switching code transmitted from the remote controller for the external display device is recorded. When detected by the light receiving unit of the reproduction apparatus, the information of the recording / reproduction apparatus automatically stored in the nonvolatile storage means can be displayed on the external display device.

  The recording / reproducing apparatus according to claim 2 controls the power supply means to supply power to the OSD display means when the external input switching code is detected in the recording / reproducing apparatus according to claim 1. In addition, the information stored in the nonvolatile storage means is displayed on the external display device through the OSD display means.

  According to the configuration of the second aspect, even when the recording / reproducing apparatus is in the standby state, when the code that matches the stored external input switching code can be detected by the light receiving unit, it is automatically stored in the non-volatile storage means. Information can be displayed as an OSD display on an external display device.

  The recording / reproducing apparatus according to claim 3 is the recording / reproducing apparatus according to claim 1 or 2, wherein when the information to be displayed is not stored in the non-volatile storage unit, the control unit controls the power supply unit. Control to supply power to the device corresponding to the information to be displayed, acquire the information to be displayed, store it in the nonvolatile storage means, and acquire the acquired information to be displayed by the OSD display means. It is characterized by OSD display on an external display device.

  According to the configuration of claim 3, for example, when the nonvolatile storage unit is initialized, recording reservation information that is information to be displayed on the nonvolatile storage unit, the remaining capacity of the recording medium, or the like is not stored, By supplying power to the recording medium and detecting the remaining capacity, OSD display can be performed accurately even when information is not stored in the nonvolatile storage means.

  The recording / reproducing apparatus according to claim 4 is the recording / reproducing apparatus according to any one of claims 1 to 3, wherein information stored in the nonvolatile storage unit and displayed on the external display device is set. It is the recording reservation information and / or the remaining capacity of the recording medium.

  According to the configuration of claim 4, when the recording / reproducing apparatus detects the external input switching key, the recording reservation information automatically set by the user and the free space of the recording medium necessary for recording are determined. This can be confirmed without operating the recording / reproducing apparatus.

  The recording / reproducing apparatus according to claim 5 is the recording / reproducing apparatus according to any one of claims 1 to 4, wherein the recording reservation setting of the broadcast program is temporarily displayed while the information stored in the non-volatile storage means is being displayed. The registration can be stored in the non-volatile storage means. When the power is turned on during normal use of the recording / reproducing apparatus, the temporary recording reservation setting stored in the non-volatile storage means is automatically displayed, A screen for selecting whether or not to register as a main registration is displayed, and when it is determined that the main registration is to be performed, it is stored in the nonvolatile storage means as recording reservation information.

  According to the configuration of the fifth aspect, when the information stored in the nonvolatile storage means is OSD-displayed when the external input key pressed by the remote controller of the external display device is detected, provisional recording reservation setting is performed. Can do. Further, when the recording / reproducing apparatus is turned on after the provisional recording reservation setting, provisional recording reservation setting information is automatically displayed, and the user can determine whether or not to make this registration.

  A recording / reproducing apparatus according to a sixth aspect is the recording / reproducing apparatus according to any one of the first to fifth aspects, wherein the control unit detects power supply by detecting an external input switching code of the remote controller for the external display device. Is turned off when no operation is performed by the remote controller for recording / reproducing apparatus or the operation unit within a predetermined time.

  According to the configuration of the sixth aspect, each means of the recording / reproducing apparatus that is turned on when the external input switching code is detected is automatically turned off when the recording / reproducing apparatus is not operated for a predetermined time. It can be.

  The recording / reproducing apparatus according to claim 7 is the recording / reproducing apparatus according to any one of claims 1 to 6, wherein the external input switching code is the external input switching code transmitted by the remote controller for the external display device. It is received by a light receiving unit and stored in the non-volatile storage means.

  According to the configuration of the seventh aspect, the external input switching code of the remote controller for the external display device can be stored in the nonvolatile storage means by being received by the light receiving unit of the recording / reproducing device.

  The recording / reproducing device according to claim 8 is the recording / reproducing device according to any one of claims 1 to 6, wherein the recording / reproducing device has a connection terminal of HDMI (High Definition Multimedia Interface) standard, EDID (Extended Display Identification Data) of the external device can be read, and when the external display device is connected to the HDMI standard connection terminal, it is detected whether the external input switching code is set in the EDID. If set, the external display device acquires the external input switching code and stores it in the nonvolatile storage means.

  According to the configuration of the eighth aspect, the recording / reproducing device and the external display device can be connected by the HDMI standard, the EDID can be acquired from the external display device, and the external input switching code of the remote controller for the external display device can be determined from the EDID. If possible, it can be acquired and stored in non-volatile storage means.

A recording / reproducing apparatus according to claim 1 is a recording medium capable of recording video / audio data;
Video / audio processing means for processing a video / audio signal stored in the recording medium or input from the outside;
OSD display means for performing OSD (On Screen Display) display superimposed on a video / audio signal processed by the video / audio processing means or a video / audio signal in a no-signal state;
Non-volatile storage means for storing information relating to the operation of the device;
A remote controller for recording / reproducing apparatus for operating the operation of the apparatus;
A light receiving unit for transmitting an operation by the remote controller for the recording / reproducing apparatus to the control unit;
Power supply means for supplying power to them,
A control unit that controls the power supply to each means and controls the operation of the entire apparatus,
An external input switching code that is issued when the external display device remote controller for operating the external display device switches to video / audio display from an external input is stored in the non-volatile storage means, and is transmitted from the external display device remote control. When the external input switching code is detected by the light receiving unit, the information stored in the nonvolatile storage means is read and OSD display is performed on the external display device through the OSD display means. If the external input switching key of the remote controller for the external display device is pressed before use, the recording / reproducing apparatus can automatically display the information stored in the non-volatile storage means by OSD, and the user can record / reproduce the recording / reproducing apparatus. The user can recognize the information of the recording / reproducing apparatus before using.

  The recording / reproducing apparatus according to claim 2 controls the power supply means to supply power to the OSD display means when the external input switching code is detected in the recording / reproducing apparatus according to claim 1. In addition, since the information stored in the nonvolatile storage means is displayed on the external display device through the OSD display means, the recording / reproducing apparatus is in a standby state, and power is supplied to each means except the control unit. Even in the case where there is not, OSD display can be performed by supplying power to the OSD display means by detecting the external input switching code transmitted from the remote controller for the external display device.

  The recording / reproducing apparatus according to claim 3 is the recording / reproducing apparatus according to claim 1 or 2, wherein when the information to be displayed is not stored in the non-volatile storage unit, the control unit controls the power supply unit. Control to supply power to the device corresponding to the information to be displayed, acquire the information to be displayed, store it in the nonvolatile storage means, and acquire the acquired information to be displayed by the OSD display means. Since OSD display is performed on the external display device, for example, when the power is turned on for the first time or when information for display is not stored in the nonvolatile storage means, the state of the recording medium is acquired and OSD display is performed. The OSD display of the latest state of the recording / reproducing apparatus can be performed.

  The recording / reproducing apparatus according to claim 4 is the recording / reproducing apparatus according to any one of claims 1 to 3, wherein information stored in the nonvolatile storage unit and displayed on the external display device is set. Since the recording reservation information and / or the remaining capacity of the recording medium are either of them, the screen can be displayed without operating the recording / reproducing device when the external display device is switched to the external input, which is a preparation stage for using the recording / reproducing device. The recording reservation information and the remaining capacity of the recording medium, or any one of them can be displayed above, and these information can be recognized in advance when the user uses them.

  The recording / reproducing apparatus according to claim 5 is the recording / reproducing apparatus according to any one of claims 1 to 4, wherein the recording reservation setting of the broadcast program is temporarily displayed while the information stored in the non-volatile storage means is being displayed. The registration can be stored in the non-volatile storage means. When the power is turned on during normal use of the recording / reproducing apparatus, the temporary recording reservation setting stored in the non-volatile storage means is automatically displayed, When the registration screen is displayed as a registration screen, and the main registration is made, it is stored as the recording reservation information in the non-volatile storage means, so it takes less time to prepare for the operation of the recording / reproducing apparatus. Temporary registration can be performed in a short time even when a sudden recording reservation setting is required. In addition, when the recording / playback apparatus is turned on, the temporarily registered recording reservation setting information is displayed, and it is possible to select and decide whether or not to make this registration as a main registration. It is possible to confirm and confirm the setting, and to select and decide whether or not to make the registration.

  A recording / reproducing apparatus according to a sixth aspect is the recording / reproducing apparatus according to any one of the first to fifth aspects, wherein the control unit detects power supply by detecting an external input switching code of the remote controller for the external display device. When no operation is performed by the remote controller for recording / playback apparatus or the operation unit within a predetermined time while the power is being supplied, the power is turned off. By not performing the apparatus for a predetermined time, it is determined that the recording / reproducing apparatus is not used, and a power saving effect can be achieved by turning off the power.

  The recording / reproducing apparatus according to claim 7 is the recording / reproducing apparatus according to any one of claims 1 to 6, wherein the external input switching code is the external input switching code transmitted by the remote controller for the external display device. Since it is received by the light receiving unit and stored in the non-volatile storage means, for example, a setting screen for registering the code of the external input switching key of the remote controller of the device other than the recording / reproducing apparatus of the present invention is called and A code transmitted when the external input switching key is pressed can be stored in the nonvolatile storage means.

  The recording / reproducing device according to claim 8 is the recording / reproducing device according to any one of claims 1 to 6, wherein the recording / reproducing device has a connection terminal of HDMI (High Definition Multimedia Interface) standard, EDID (Extended Display Identification Data) of the external device can be read, and when the external display device is connected to the HDMI standard connection terminal, it is detected whether the external input switching code is set in the EDID. If it is set, the external display device acquires the external input switching code and stores it in the nonvolatile storage means, so that the external display device has an HDMI project connection terminal and acquires EDID. Possible and outside of remote control to EDID If it is possible to read the code emanating when pressing the input switch key, can be stored external input switching code in non-volatile memory means simply by connecting the recording and reproducing apparatus and the external display device of the present invention.

  Embodiments as the best mode for carrying out the present invention will be described below with reference to FIGS. Of course, it goes without saying that the present invention can be easily applied to other than those described in the embodiments without departing from the spirit of the invention.

  1 to 6 show a first embodiment of the present invention, and FIG. 1 is a block diagram showing a configuration of a recording / reproducing apparatus in the present embodiment. FIG. 2 is a flowchart showing the operation of the recording / reproducing apparatus. FIG. 3 is an explanatory diagram showing a display example of an external display device that OSD displays the remaining capacity of the HDD and recording reservation information of the recording / reproducing device. FIG. 4 is a flowchart showing the operation when the recording / reproducing apparatus is turned on for the first time. FIG. 5 is an explanatory diagram showing a screen requesting that the external input key of the TV monitor remote controller be pressed when the recording / playback apparatus is turned on for the first time. FIG. 6 is an explanatory diagram showing an example of a setting screen when registering an external input key from the setting menu of the recording / reproducing apparatus. 7 and 8 show a second embodiment of the present invention, and FIG. 7 is a flowchart showing the operation of the recording / reproducing apparatus when the recording / reproducing apparatus and the TV monitor are connected by the HDMI connection terminal. It is explanatory drawing which shows the example of an external input switching code registration screen when the external input switching code of TV monitor cannot be acquired in the case of the connection by an HDMI connection terminal.

  The configuration of the recording / reproducing apparatus in the present embodiment will be described with reference to FIG. Reference numeral 1 denotes a recording / reproducing apparatus. Reference numeral 2 denotes an HDD (Hard Disk Drive) as a recording medium. Reference numeral 3 denotes a control unit which is a microcomputer, and reference numeral 31 denotes an information storage unit which is a non-volatile storage unit provided in the control unit 3. Reference numeral 4 denotes a power source as power supply means. Reference numeral 5 denotes a tuner for receiving broadcast radio waves, and reference numeral 6 denotes a video / audio processing unit as video / audio processing means for processing video / audio recorded on a recording medium or video / audio obtained from broadcast radio waves received by the tuner 5. is there. Reference numeral 7 denotes an OSD display unit for synthesizing and superimposing the OSD signal generated by the control unit 3 on the video / audio signal processed by the video / audio processing unit 6. Reference numeral 8 denotes a remote control light receiving unit that receives an operation signal transmitted from the remote controller 9 for recording / reproducing apparatus. 10 is a TV monitor as an external display device, 11 is a TV monitor remote control as a remote controller for the external display device, and 11a is an external input switching key for switching a video / audio signal from the external device of the TV monitor 10. The HDD 2, the tuner 5, the video / audio processing unit 6, and the OSD display unit 7 are controlled by the control unit 3 to supply power from the power source 4.

  Next, the operation of the recording / reproducing apparatus 1 according to the present invention will be described with reference to FIG. First, it is confirmed whether or not an external input switching code set in the external input switching key 11a of the TV monitor remote controller 11 is stored in the information storage unit 31 (S0001). At this time, when the external input switching code is not stored, the operation is the same as that of a general recording / reproducing apparatus. When the external input switching code is stored, the recording / reproducing apparatus 1 in the standby state is in a standby state until the external input switching code is detected (S0002). When the external input switching code is detected, the information storage unit 31 is detected. Whether the remaining capacity of the HDD 2 and the recording reservation information are stored is determined (S0003). If these pieces of information are not stored, the control unit 3 supplies power to the HDD 2 and detects the remaining capacity of the HDD 2 and stores it in the information storage unit 31 (S0004). If the remaining capacity of the HDD 2 and the recording reservation information are stored, the information is read from the information storage unit 31 (S0005). In order to display the remaining capacity of the HDD 2 and the recording reservation information detected or read out in this way on the TV monitor 10 through the OSD display unit 7, the control unit 3 creates display data to be displayed as the OSD. Power is supplied to the display unit 7 (S0006). When power is supplied to the OSD display unit 7, the created OSD display data is superimposed on a video or a no-signal video (so-called blue back or the like) and displayed on the TV monitor 10. At the same time, a timer is started (S0007). As will be described later, whether or not an operation is performed by a recording / reproducing apparatus remote controller 9 for switching information to be displayed or an operating means (not shown) provided in the recording / reproducing apparatus 1 is monitored. And the timer is reset (S0008). When the operation of the remote control is not performed and a predetermined time (3 minutes in this embodiment) has elapsed (S0009), the power supply to the OSD display unit 7 is stopped to end the OSD display (S0010).

  Subsequently, switching of information to be displayed in step S0010 in FIG. 2 will be described with reference to FIG. (A) shows a screen on which the remaining capacity of the HDD 2 is OSD-displayed. (B) shows a screen in which the recording reservation information is OSD-displayed. These OSD displays can be switched by operating the remote controller 9 for the recording / reproducing apparatus or the operating means of the recording / reproducing apparatus 1 (not shown). Also, when there is a broadcast notice of another program in the middle of a broadcast program being viewed, etc., if the recording / reproducing apparatus 1 is turned on, it takes time until the operation becomes possible after the power is turned on. In order to avoid this, a recording reservation setting screen is displayed as shown in FIG. The provisional reservation information to be set is stored in the information storage unit 31. When the recording / playback apparatus 1 is turned on with the provisional reservation set, the control unit 3 displays a provisional reservation confirmation screen through the OSD display unit 7 as shown in FIG. It is possible to notify the provisional reservation status and determine whether or not to perform main registration in the recording reservation information.

  Next, an operation of registering the external input switching code of the TV monitor remote controller 11 attached to the TV monitor 10 when the recording / reproducing apparatus 1 is turned on for the first time will be described with reference to FIGS. FIG. 3 is a flowchart showing the operation when the recording / reproducing apparatus 1 is turned on for the first time. First, the recording / reproducing apparatus 1 is turned on (S0001). A screen requesting that the external input switching key 11a of the TV monitor remote controller 11 for operating the connected TV monitor 10 as shown in FIG. 4 is pressed is displayed (S0002). When an external input switching code transmitted by pressing the external input switching key 11a is detected by the remote control light receiving unit 8 (S0003), the external input switching code is stored in the information storage unit 31 (S0004). After a predetermined time has passed without being detected (S0005), the setting screen display as shown in FIG. 4 is terminated, and the operation moves to the normal operation of the recording / reproducing apparatus 1 (S0006).

  Next, an operation for registering the external input switching code transmitted from the TV monitor remote controller 11 from the menu screen for changing the setting of the recording / reproducing apparatus 1 will be described with reference to FIG. First, a menu screen for changing the setting of the recording / reproducing apparatus 1 as shown in FIG. Subsequently, an “external input switching key registration” item is selected from the menu screen. Thereafter, a reception standby screen for the external input switching code as shown in FIG. 6B is displayed. At this time, when the external input switching key 11a of the TV monitor remote controller 11 is pressed and an external input switching code is transmitted, a screen notifying that the external input switching code has been received is displayed as shown in FIG. The received external input switching code is stored in the information storage unit 31.

  According to the recording / reproducing apparatus 1 configured as described above, the external input switching of the TV monitor remote control 11 is performed as a preparation operation for switching the video displayed on the TV monitor 10 to the video signal output from the recording / reproducing apparatus 1. By detecting that the key 11a is pressed, the remaining capacity of the HDD 2 and recording reservation information, which are information of the recording / reproducing apparatus 1, can be displayed in advance on a video / audio signal (or a blue screen or the like displayed when there is no signal). Therefore, the user can browse the information of the recording / reproducing apparatus 1 only by pressing the external input switching key 11a without operating the recording / reproducing apparatus 1 itself. Further, since the user is prompted to register the external input switching code when the power is turned on for the first time, it is possible to prevent the user from forgetting to register the external input switching code. Since registration is possible, the setting of the external input switching code can be easily changed even when the TV monitor 10 is changed.

  Next, a second embodiment of the present invention will be described. A case where the recording / reproducing apparatus 1 and the TV monitor 10 have an HDMI connection terminal and are connected using the HDMI connection terminal will be described with reference to FIGS. The same parts as those in the first embodiment are denoted by the same reference numerals, the description of the overlapping parts is omitted, and only different parts will be described. The recording / reproducing apparatus 1 and the TV monitor 10 are connected via their HDMI connection terminals (S0001). At this time, it is determined whether or not the external input switching code is already registered in the information storage unit 31 (S0002). If it is registered, the registered external input switching code is used as it is (S0003). Subsequently, the recording / reproducing apparatus 1 acquires the EDID of the TV monitor 10 (S0004). It is determined whether or not the acquired EDID exists in the external input switching code management table for each manufacturer that has been stored in the information storage unit 31 in advance (S0005). If it exists, the external input switching code stored in the table is stored in the information storage unit 31 (S0006). If not, a screen for asking the user whether to register the external input switching code of the TV monitor 10 is displayed (S0007). Thereafter, the process proceeds to step S0002 in FIG. 2, and the external input switching code of the TV monitor remote control 11 is registered.

  According to the recording / reproducing apparatus 1 configured as described above, the external input switching code can be registered without a user performing a special operation by connecting to the TV monitor 10 through the HDMI connection terminal.

  As mentioned above, although the Example of this invention was explained in full detail, this invention is not limited to the said Example, A various deformation | transformation implementation is possible within the range of the summary of this invention. For example, the information holding unit 31 belongs to the inside of the control unit 3, but may be a non-volatile storage medium such as a flash memory or an E2PROM. Although the external display device is a TV monitor, the present invention is not limited to this, and there is no problem as long as it is a display device that displays a video signal and an external input terminal.

It is a block diagram which shows the structure of the recording / reproducing apparatus in Example 1 of this invention. It is a flowchart which shows operation | movement of a recording / reproducing apparatus same as the above. It is explanatory drawing of the example of OSD display produced by the recording / reproducing apparatus same as the above, (a) is a remaining capacity confirmation screen of HDD, (b) is a recording reservation status confirmation screen, (c) ) Shows a provisional recording reservation setting screen, and (d) shows a provisional recording reservation confirmation screen. 4 is a flowchart showing an operation when the recording / reproducing apparatus is turned on for the first time. FIG. 5 is an explanatory diagram showing an example of a registration screen when registering an external input switching code of the TV monitor remote control during the operation of FIG. It is explanatory drawing of the example of a registration screen for registering the external input switching code of remote control for TV monitors from the setting menu of a recording / reproducing apparatus same as the above, (a) is a setting menu screen, (b) is external input switching code registration. (C) shows a registration completion screen. 10 is a flowchart showing the operation of the recording / reproducing apparatus in HDMI connection in Example 2 of the present invention. FIG. 9 is an explanatory diagram showing a registration screen when an external input switching code cannot be acquired from the TV monitor in FIG. 8 and an external input switching code transmitted from the TV monitor remote control is registered.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Recording / reproducing apparatus 2 HDD (recording medium)
3 Control Unit 31 Information Holding Unit (Nonvolatile Storage Unit)
4 Power supply (power supply means)
6 Video / audio processing unit (video / audio processing means)
7 OSD display (OSD display means)
8 Remote receiver (receiver)
9 Remote controller for recording / reproducing device 10 TV monitor (external display device)
11 TV monitor remote control (external display remote control)
11a External input switching key

Claims (8)

A recording medium capable of recording video and audio data;
Video / audio processing means for processing a video / audio signal stored in the recording medium or input from the outside;
OSD display means for performing OSD (On Screen Display) display superimposed on a video / audio signal processed by the video / audio processing means or a video / audio signal in a no-signal state;
Non-volatile storage means for storing information relating to the operation of the device;
A remote controller for recording / reproducing apparatus for operating the operation of the apparatus;
A light receiving unit for transmitting an operation by the remote controller for the recording / reproducing apparatus to the control unit;
Power supply means for supplying power to them,
A control unit that controls the power supply to each means and controls the operation of the entire apparatus,
An external input switching code that is issued when the external display device remote controller for operating the external display device switches to video / audio display from an external input is stored in the non-volatile storage means, and is transmitted from the external display device remote control. When the external input switching code is detected by the light receiving unit, the information stored in the non-volatile storage means is read and OSD display is performed on the external display device through the OSD display means. .   When the external input switching code is detected, the control unit controls the power supply unit to supply power to the OSD display unit, and transmits information stored in the nonvolatile storage unit through the OSD display unit. The recording / reproducing apparatus according to claim 1, wherein the recording / reproducing apparatus displays on the external display device.   When the information to be displayed is not stored in the nonvolatile storage means, the control unit controls the power supply means to supply power to a device corresponding to the information to be displayed, and displays the information. 3. The recording / reproducing apparatus according to claim 1, wherein the information to be displayed is acquired and stored in the non-volatile storage means, and the acquired information to be displayed is OSD-displayed on the external display device by the OSD display means. .   The information displayed on the external display device stored in the non-volatile storage means is set recording reservation information and / or remaining capacity of the recording medium, or any one thereof. The recording / reproducing apparatus of any one of Claims 1.   While displaying the information stored in the non-volatile storage means, it can be stored in the non-volatile storage means as provisional registration of the recording reservation setting of the broadcast program, and the power is turned on during normal use of the recording / reproducing apparatus Then, the provisional recording reservation setting stored in the nonvolatile storage means is automatically displayed, and a selection screen as to whether or not to perform provisional registration as main registration is displayed. 5. The recording / reproducing apparatus according to claim 1, wherein the recording / reproducing apparatus stores the information as recording reservation information.   In the state where the control unit is supplying power by detecting the external input switching code of the remote controller for the external display device, some operation is performed by the remote controller for the recording / playback device or the operation unit within a predetermined time. 6. The recording / reproducing apparatus according to claim 1, wherein the power is turned off when no power is present.   7. The external input switching code is received by the light receiving unit from the external input switching code transmitted by the remote controller for an external display device, and is stored in the nonvolatile storage means. 2. The recording / reproducing apparatus according to claim 1. The recording / reproducing apparatus has a connection terminal of HDMI (High Definition Multimedia Interface) standard, can read EDID (Extended Display Identification Data) of an external apparatus to be connected, and can connect the external display apparatus and the connection terminal of the HDMI standard When the external input switching code is set in the EDID, the external display device acquires the external input switching code and sets the external input switching code in the nonvolatile storage means. 7. The recording / reproducing apparatus according to claim 1, wherein the recording / reproducing apparatus stores the information.

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