JP3144181B2 - Recording and playback device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording / reproducing apparatus effective for use in a video tape recorder (hereinafter, referred to as VTR).

[0002]

2. Description of the Related Art In recent years, the use of VTRs is not limited to simply recording, reproducing, and enjoying, but has been increasingly performed by operating and editing through OSD screen display.

Hereinafter, the VT described above will be described with reference to the drawings.
An example of editing R will be described. FIG. 2 is a block diagram showing editing of a conventional recording / reproducing apparatus. In FIG. 2, reference numeral 21 denotes an on-screen display (hereinafter referred to as O).
An operation unit for setting a display screen. 22
Is an OSD screen display output unit controlled by the setting of the OSD display screen. 23 is a reproduced video signal output unit. Reference numeral 26 denotes an OSD added to the reproduced video signal by the addition circuit 28.
Output terminal for outputting a video signal on which a display screen signal is superimposed. 27 is an output terminal for only the reproduced video signal. 2
Reference numeral 8 denotes an addition circuit for superimposing the reproduced video signal and the OSD display screen signal. Reference numeral 29 denotes a TV for displaying a video signal output from the output terminal 26.

[0004] The operation of the conventional VTR configured as described above will be described below.

In FIG. 2, an OSD screen display output section 22
Indicates that the OSD display screen of the operation unit 21
It controls the display screen and performs OSD screen display output. The video signal output of the reproduced video signal output unit 23 and the OSD screen display signal of the OSD screen display output unit 22 are superimposed by the addition circuit 28, output from the output terminal 26, and the output video signal is displayed on the TV 29. . Also, the reproduced video signal output unit 2
3 is also output from the output terminal 27, and this signal is input to the recorder 2. The user performs editing while viewing the contents of the OSD screen display displayed on the TV 29.

[0006]

However, in the above configuration, the video signal output terminal 27 of the reproduced video signal output section 23 and the output terminal for outputting a video signal obtained by superimposing an OSD screen display on the reproduced video signal output are provided. Since the system has 26 video signal outputs, there is a problem in that when the user connects the playback device 1, the recording device 2, and the TV 29, there is a possibility of erroneous connection.

SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a recording / reproducing apparatus which does not connect a reproducing device, a recorder and a TV by mistake.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a control unit for performing on / off control of an OSD display screen depending on whether or not a recorder is in a recording state;
An operation section for setting the D display screen, an OSD screen display output section for outputting the OSD display screen set by the operation section, a reproduced video signal output section, and a reproduced video signal output from the reproduced video signal output section. And an adder circuit for superimposing the OSD display screen signal output from the OSD screen display output unit.

[0009]

According to the present invention, the control unit determines whether or not the recording device is in the recording state and controls ON / OFF of the OSD screen display by the above-described configuration. This prevents incorrect connection between the device and the TV.

[0010]

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

FIG. 1 is a block diagram showing the editing of a VTR in this embodiment. In FIG. 1, reference numeral 1 denotes a playback device, 2 denotes a recorder, and 11 denotes an operation unit for setting an OSD display screen. Reference numeral 12 denotes an OSD screen display output unit controlled by the setting of the OSD display screen by the operation unit 11.
Reference numeral 13 denotes a reproduced video signal output unit. 14 turns on / off the OSD display screen depending on whether or not the recorder 2 is in the recording state.
This is a control unit that performs off control. Reference numeral 15 denotes an input terminal for inputting the status of the recorder 2. Reference numeral 16 denotes a video signal output unit that outputs a video signal. Reference numeral 17 denotes a switch that is switched by the control unit 14. Reference numeral 18 denotes an OSD for the reproduced video signal.
This is an addition circuit for superimposing a display screen signal. Reference numeral 19 denotes a TV for displaying a signal output from the video signal output unit 16 on a screen.

With respect to the VTR configured as described above,
The operation will be described. In FIG. 1, the OSD screen display output unit 12 outputs an OD signal according to the setting of the OSD display screen of the operation unit 11.
It controls the SD display screen and outputs the OSD screen display.
Then, a signal indicating the state of the video recorder 2 is input from the input terminal 15 of the playback device 1 and input to the control unit 14.

At this time, when the recorder 2 is in the recording state, the switch 17 is turned off under the control of the control unit 14, the signal of the OSD screen display output unit 12 is cut off, and the reproduction video signal output unit 13 Only output video signal is added by circuit 1
8 is input. The reproduced video signal is output from the video signal output terminal 16 to the TV 19 and the recorder 2, and is recorded by the recorder 2.

When the recorder 2 is not in the recording state, the switch 17 is turned on under the control of the control unit 14, and the reproduced video signal from the reproduced video signal
The OSD display information signal from the SD screen display output unit 12 and the OSD display information signal are input to the addition circuit 18, and a signal in which the two signals are superimposed is formed. This signal is output from the video signal output terminal 16 to T
The video is output to the V19 and the recorder 2, and the user edits while viewing the screen of the TV19.

As described above, according to this embodiment, the signal output from the video signal output terminal 16 is transmitted to the recorder 2 and the TV 19.
In addition, since the control unit 14 controls whether or not the OSD display information signal is superimposed on the reproduced video signal, only one output terminal of the reproducing device 1 is required.

[0016]

As described above, the present invention has an excellent effect of eliminating erroneous connection between a reproducing device, a recorder and a TV because the reproducing device has a single output terminal.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of a recording / reproducing apparatus according to the present invention.

FIG. 2 is a block diagram of a conventional recording / reproducing apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 OSD operation part 12 OSD screen display output part 13 Reproduction video signal output part 14 OSD control part 15 Video recorder mode input terminal 16 Video signal output terminal 17 Switch 18 Adder circuit

(56) References JP-A-63-123285 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G11B 33/06 G11B 20/00 G11B 27/024

Claims (1)

(57) [Claims] 1. An OSD depending on whether a recorder is in a recording state or not.
A control unit for performing on / off control of a display screen;
An operation section for setting a display screen, an OSD screen display output section for outputting an OSD display screen set by the operation section, a playback video signal output section for outputting a playback video signal, and a playback video signal output section. The recording device, comprising: an addition circuit that superimposes an OSD display screen signal output from the OSD screen display output unit on the output reproduced video signal; and an output terminal that outputs a signal from the addition circuit to the recording device. When the recorder is in the recording state, only the signal of the playback video signal output section is output, and when the recorder is not in the recording state, the signal of the playback video signal output section and the signal of the OSD screen display output section are superimposed. A recording / reproducing apparatus characterized in that a control unit controls to output a converted signal.