JP2658091B2 - Printer device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printer device particularly suitable for hard-copying a desired screen in a playback screen of a VTR onto printer paper.

[Summary of the Invention]

The present invention provides a printer device for hard-copying a desired screen on paper, comprising screen position setting input means for designating the desired screen, and copy start input means for instructing the start of copying, and When the screen to be copied is set by the input means, the position of the screen corresponding to the setting screen is stored. When a copy start command is given by the copy start input means, the screen at the stored position is called, and this screen is displayed. Is hard copied on paper, a plurality of screens to be copied can be set by a simple operation, and the set plurality of screens can be continuously hard copied.

[Conventional technology]

When playing a video signal recorded on a VTR,
There is a case where a desired screen is to be hard-copied in the playback screen. A video printer is used to hard copy a desired screen.

In a conventional video printer, a copy key is pressed when a desired screen is hard copied. Then, the screen displayed when the copy key is pressed is hard copied. That is, the video printer is provided with a field memory for storing a video signal for one field. Then, when the copy key is pressed, the screen at that time is taken into this field memory, and the screen stored in this field memory is hard-copied to printer paper by the thermal head.

Therefore, when making a hard copy of a desired screen in the playback screen of a VTR using a conventional video printer, search for the screen to be copied, call the screen to be copied, and then press the copy key of the video printer. Operation is required. If there are multiple screens to be copied in the VTR playback screen, it is necessary to set the VTR to search mode each time, search for the screen to be copied, and repeat the operation of pressing the copy key of the video printer .

[Problems to be solved by the invention]

As described above, in the conventional video printer, when the copy key is pressed, the screen at that time is captured in the field memory, and the screen captured in the field memory is hard copied on the printer paper. When using a conventional video printer to make a hard copy of multiple screens among VTR playback screens, repeat the search operation for each screen to be copied and repeat the search operation until the tape is recorded to the position where that screen is recorded. Send
There is a problem that the operation of pressing the copy key is required, and the operability is poor. In a conventional video printer, VT
There is a problem that it takes a long time to make a hard copy of a plurality of screens in the R playback screen.

That is, in the conventional video printer, the hard copy of the next screen cannot be started unless the hard copy of one screen is completed. It takes several minutes for the thermal head to scan one screen, so it takes several minutes to hard copy one screen. For this reason, when making a hard copy of a plurality of screens among the playback screens of the VTR, useless waiting time occurs.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a video printer capable of hardcopying a plurality of desired screens among VTR playback screens by a simple operation.

Another object of the present invention is to provide a video printer that can shorten the copying time when making a hard copy of a plurality of screens.

[Means for solving the problem]

According to the present invention, the screen to be copied is set by the screen position setting input means 7 for setting the screen to be copied, the copy start input means 8 for instructing the start of copying, and the screen position setting input means 7. Means for storing the position of the screen corresponding to the setting screen, and calling a position at which the setting screen is stored when a copy start command is given by the copy start inputting means 8. When a copy start command is given by the copy start input means 8 after a screen to be copied is set by the printer 7, the setting screen is hard copied on paper.

[Action]

When a desired screen to be hard copied appears, the copy position setting key 7 is pressed. When there are a plurality of screens to be hard copied, the copy position setting key 7 is pressed each time. When the copy position setting key 7 is pressed, the tape position corresponding to the position where the copy position setting key 7 is pressed is loaded into the memory in the system controller 9.

When the copy position setting key 7 is pressed at all positions on the screen to be hard copied, the copy start key 8 is pressed.
When the copy start key 8 is pressed, the copy position setting key 7
Is called, and the screen corresponding to the position where the copy position setting key 7 is pressed is hard copied. Thus, when a plurality of screens to be copied are set by the copy position setting key 7, a plurality of screens corresponding to the positions set by the copy position setting key 7 are automatically and continuously copied.

〔Example〕

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

FIG. 1 shows a VTR 1 to which the present invention is applied. The VTR 1 is provided with a printer 2. By using the printer 2, a desired screen in the playback screen of the VTR 1 can be hard copied on printer paper.

In FIG. 1, reference numeral 4 denotes an input terminal of a video signal to be recorded, 5 denotes an output terminal of a video to be reproduced, 6 denotes a group of mode setting keys, 7 denotes a copy position setting key, and 8 denotes a copy start key. Mode setting key group 6, copy position setting key 7,
The input from the copy start key 8 is given to the system controller 9. The mode setting keys 6 are used for recording, playback,
The keys are used to set VTR modes such as fast forward, rewind, and slow. The copy position setting key 7 is for setting a screen position to be hard copied. The copy start key 8 is set when starting a hard copy. The copy position setting key 7 and the copy start key 8 will be described later in detail.

During recording, the video signal from the input terminal 4 is
Supplied to 10. The luminance signal in the video signal from the input terminal 4 is FM-modulated by the recording circuit 10, and the chroma signal is converted into a low-frequency signal. Then, the output of the recording circuit 10 is supplied to the rotary heads 12A and 12B via the switch circuit 11. Thereby, a video signal is recorded on the magnetic tape 13. Switch circuit
Reference numeral 11 is switched between recording and reproduction by a command from the system controller 9. Rotating heads 12A and 12B
Is rotated by the drum motor 15. Magnetic tape 13
Is sent by the capstan motor 16. The rotation of the drum motor 15 and the capstan motor 16 is controlled by a servo circuit 17.
Is controlled by The servo circuit 17 is controlled by the system controller 9.

At the time of reproduction, the video signal recorded on the magnetic tape 13 is reproduced by the rotary heads 12A and 12B, and the reproduced signal is supplied to the reproduction circuit 18 via the switch circuit 11. The luminance signal that has been FM-modulated and recorded on the magnetic tape 13 by the reproduction circuit 18 is FM-demodulated, and the chroma signal that has been low-frequency converted and recorded on the magnetic tape 13 is returned to a chroma signal having a frequency of, for example, 3.58 MHz. The output of the reproduction circuit 18 is switched to the switch circuit 19
Via the output terminal 5 and supplied to the feed memory 3. The switch circuit 19 is switched according to the mode by the output of the system controller 9. The feed memory 3 is used when performing variable-speed reproduction such as still reproduction or slow reproduction, and is used when performing a desired screen hard copy.

When the printer 2 is provided in the VTR 1, the field memory used for variable-speed reproduction and the field memory used for hard-copying a desired screen can be shared. Therefore, when the printer 2 is provided in the VTR 1 in this manner, it is possible to easily copy a desired screen from among the reproduction screens of the VTR, and reduce the cost.

When a desired screen among the playback screens of the VTR 1 is hard copied, the screen to be copied is stored in the field memory 3. The screen to be copied is set by the copy position setting key 7, and when the copy start key 8 is pressed, the copy is started. The output of the field memory 3 is supplied to the decoder 20. The decoder 20 converts the video signal into, for example, yellow Ye, cyan Cy, and magenta Mg component signals. The output of the decoder 20 is supplied to the printer 2. The printer 2 prints an image on printer paper using a thermal head. The screen stored in the field memory 3 is hard copied by the printer 2 on printer paper.

Further, a tape position detection circuit 21 is provided in the VTR 1. The tape position of the magnetic tape 13 is detected by the tape position detection circuit 21. The tape position detected by the tape position detection circuit 21 is supplied to the system controller 9.

As a method for detecting the tape position, a method using a counter value of a tape counter, a method using a time code, a method using a CTL track in a 1/2 inch VTR, a method using an index signal recorded in a postamble section in an 8 mm VTR, etc. Can be considered. As a method of detecting the tape position,
Any of these methods may be used.

The operation for hard-copying a desired screen among the playback screens of the VTR 1 is set by a copy position setting key 7 and a copy start key 8. That is, the copy position setting key 7
Is pressed when a desired screen to be hard copied appears while watching the playback screen of VTR1. When there are a plurality of screens to be hard copied, the copy position setting key 7 is pressed each time. When the copy position setting key 7 is pressed at all positions on the screen to be hard copied, the copy start key 8 is pressed. When the copy start key 8 is pressed, a screen corresponding to the position where the copy position setting key 7 is pressed is called, and the screen is hard copied. When a plurality of screens are set with the copy position setting key 7, a plurality of screens corresponding to the positions set with the copy position setting key 7 are continuously hard copied.

The operation of the system controller 9 at the time of hard-copying a desired screen among the playback screens of the VTR 1 will be described with reference to the flowcharts shown in FIGS.

FIG. 2 is a flowchart showing a process for setting a position to be hard copied by the copy position setting key 7. In FIG. 2, it is determined in step whether the copy position setting key 7 has been pressed. When the copy position setting key 7 is pressed, it is determined whether the setting mode is the reproduction or pause state (step). If the setting mode is the reproduction or pause state, the tape position of the magnetic tape 13 at that time is determined by the tape position detection circuit. From 21, it is taken into the memory in the system controller 9 (step). When the tape position when the copy position setting key 7 is pressed is stored in the memory in the system controller 9, the process returns to the step, and it is determined whether the copy position setting key 7 is pressed again. Thus, the tape position of the magnetic tape 13 corresponding to the time when the copy position setting key 7 is pressed is stored in the memory in the system controller 9.

FIG. 3 shows a flow chart when starting the hard copy by the copy start key 8. Third
In the figure, it is determined whether or not the copy start key 8 has been pressed (step), and if the copy start key 8 has been pressed, the reproduction mode is set (step), and the tape corresponding to the tape position first captured in the step is set. A search operation is performed up to the position (step). Magnetic tape
When 13 is first loaded in the step and sent to the tape position corresponding to the tape position, the screen of the tape position is stored in the field memory 3 (step).
When one field of the video signal is stored in the field memory 3, a hard copy is started by the printer 2 (step). When the hard copy is started in the printer 2, it is determined whether or not the position of the next tape to be hard copied is stored in the memory in the system controller 9 (step). If it is stored in the memory in the above, the search operation is performed up to the tape position (step). If the position of the next tape to be hard copied is not stored in the memory in the system controller 9, the processing steps are terminated. When the search operation is performed up to the tape position to be hard copied next in the step, the process returns to the step, and the screen of the tape position is stored in the field memory 3. Then, the screen is hard-copied by the printer 2.

〔The invention's effect〕

According to the present invention, the copy position setting key 7 and the copy start key 8 are provided, and after the screen to be hard copied is set by the copy position setting key 7, the copy start key 8
Is pressed, the screen set by the copy position setting key 7 is called, and the screen corresponding to the screen on which the copy position setting key 7 is pressed is hard copied. When a plurality of screens to be copied are set by the copy position setting key 7, a plurality of screens corresponding to the positions set by the copy position setting key 7 can be automatically and continuously hard copied. Therefore, a desired plurality of screens can be hard-copyed from the playback screen of the VTR by a simple operation. In addition, since a plurality of screens are automatically copied in a continuous manner, it is not necessary to search for the screen to be copied each time, so that unnecessary waiting time does not occur and the copying time can be reduced.

[Brief description of the drawings]

FIG. 1 is a block diagram of an embodiment of the present invention, and FIGS. 2 and 3 are flowcharts used for explaining the embodiment of the present invention. Explanation of main symbols in the drawings 1: VTR, 2: printer, 7: copy position setting key, 8: copy start key, 9: system controller, 21: tape position detection circuit.

Claims (1)

(57) [Claims] 1. A printer for hard-copying a desired screen in a video signal recorded on a recording medium, comprising:
Screen position setting input means for setting a plurality of screens to be hard copied, and storing the recording positions of the plurality of screens to be hard copied in the recording medium based on the input from the screen position setting input means. Means for instructing the start of hard copy, copy start input means for instructing start of hard copy, and recording in the recording medium the plurality of screens to be hard copied, which are stored in advance, based on the input from the copy start input means. A printer device comprising: means for capturing a screen corresponding to a position; and means for hard-copying the captured screen.