KR19990026324A - Recording inspection completion control system of VSI Copier - Google Patents

Abstract

The present invention relates to a recording inspection completion display system of a VSI copier, and that the recording state of each deck is reversely reproduced after the tape copying is finished, and the recording state is controlled by each unit microprocessor so that the recording state can be checked by the unit microprocessor. As a result of communication with each other, a specific OSD character is generated for each deck unit so that each of them can be sequentially recorded on the corresponding tape, so that the result of checking the recording state of the tape can be easily identified using the specific OSD character. .

To this end, the present invention includes a video switching means connected to the video signal transmission line from the master deck unit to each unit unit by an external control signal so as to selectively output the video signal or OSD character of the OSD processing unit; After the end of recording on the deck unit, the tape is played back in reverse to check the recording status of the video tape and audio signal detected by the unit microprocessor, and to check the recording status of the tape. And a set microprocessor in which a series of control programs for outputting specific characters are sequentially output through the OSD processing unit so as to be recorded on the recorded tape of each unit.

Description

Recording test completion indication control system of VSI copier

The present invention relates to a control system capable of inspecting a tape recording state in a VSI copier and displaying the test result on a corresponding tape. By controlling the microprocessor of each unit to check, and generating a specific OSD character for each deck unit as a result of communication with the microprocessors of each unit, so that the respective tapes can be sequentially recorded on the tape. The present invention relates to a recording inspection completion display system of VSI copier which can reduce the time required for tape inspection and also reduce the tape manufacturing cost by simply identifying the tape inspection result of each deck unit by OSD characters.

A conventional BD copier employing a plurality of decks, as shown in FIG. The video input and the audio are simultaneously driven in accordance with the key input unit 11 and the control signal of the microprocessor 10, which allows the control operation of the microprocessor to be externally selected according to the user's intention by using the provided key matrix. And a plurality of deck unit sections 20A-20C for recording signals on each recording tape, and a master deck section 30 for reproducing the master tape.

In addition, a video signal distributor 40 and an audio signal distributor 50 for distributing the video reproduction signal and the audio reproduction signal reproduced by the master deck unit 30 to the respective deck unit units 20A-20C are provided.

The first unit 20A is a unit microprocessor 25 for controlling individual deck operations according to a control signal generated by the set microprocessor as shown in FIG. 2, and processes and amplifies a video signal and an audio signal. The video signal processor 21, the audio signal processor 22, and the preamplifier 23, and the deck unit 24 for controlling the operation of the deck mechanism of the individual units. It is included.

Although not shown in the drawings, other deck unit units (the second unit unit 20B or the third unit unit 20C) also have the same configuration as the first unit unit.

In the case of producing a plurality of rental recording tapes using the master tape to be copied in the VSI copier having such a configuration, first, when the master tape to be reproduced is reproduced in the master deck unit 30, the video reproduction signal and the audio reproduction signal obtained at this time are obtained. Is distributed through each of the video signal splitter 40 and the audio signal splitter 50 and input to the video signal processor 21 and the audio signal processor 22 of the individual deck unit, and according to the selection signal controlled by the key input unit. In response to the recording control signal generated by the set microprocessor 10, the plurality of deck unit units start recording and proceed with recording of the video signal and the audio signal, and then end the recording controlled by the set microprocessor 10 again. Rental of the same contents by terminating recording operation at the same time by signal It can be configured to copy several tapes at once.

In the conventional BC Copier as described above, since each deck unit unit is composed of a single deck mechanism, a separate recording unit is used to check whether the tape is normally recorded after making a random recording tape using a plurality of deck units. In this tape inspection step, a tape inspection operation is performed to check the contents of the recorded tape again while performing a reverse play operation for each tape to check whether the recording tape is normally recorded. Since this has to be done, there was a problem that the time required for the tape inspection process becomes very long.

Accordingly, the present invention has been made to solve the above problems, and the present invention provides a video signal transmission line from the master deck unit to each unit unit including a switch capable of selectively outputting a video signal or a specific character processed by OSD. It can be controlled by the microprocessor, checks the tape recording status inspection result detected by the unit microprocessor while playing back the recording tape after the end of recording on the deck unit, and records specific characters according to the check result on the tape respectively. By incorporating a set of control programs into the set microprocessor, VSI can reduce the time required for tape inspection by reducing the time required for tape inspection by easily identifying the result of the normal recording condition of the recording tape. Copier recording The purpose is to provide an inspection completion marking system.

In order to achieve the above object, the present invention provides a video switching means connected to the video signal transmission line from the master deck unit to each unit unit by an external control signal to connect and output the video signal or OSD character of the OSD processing unit; After the end of recording on the deck unit, the tape is played back in reverse to check the recording status of the video tape and audio signal detected by the unit microprocessor, and to check the recording status of the tape. Recording inspection completion display system of VSI copier comprising a set microprocessor which includes a series of control programs for outputting specific characters sequentially through the OSD processing unit and recording them on the recorded tape of each unit. To provide.

Figure 1 is a block diagram schematically showing the configuration of a typical BC copier

FIG. 2 is a block diagram illustrating a unit unit configuration of FIG. 1.

Figure 3 is a simplified block diagram showing the recording inspection completion display control system of the BC Copier according to an embodiment of the present invention

4 is an operation flowchart for explaining a recording inspection completion display control process of the BCD copier according to the present invention;

* Explanation of symbols for main parts of the drawings

10,10A: set microprocessor 11: key input

12: OSD processing unit 13: video switching means

14,15: Buffer 20A, 20B, 20C: Unit

21: video signal processor 22: audio signal processor

23: preamplifier 24: deck

25 unit microprocessor

Hereinafter, the configuration of the recording inspection completion display system of the VSI copier according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 3 is a block diagram schematically illustrating a recording inspection completion display control system of a BC Copier according to an embodiment of the present invention. In the drawing, the video signal processing unit of the first unit unit 20A from the master deck unit is shown. And a buffer 14 and 15 connected to a video signal and an audio signal transmission line leading to the 21 and the audio signal processor 22, and an OSD processor for generating OSD characters in the video signal transmission line. (12) and a video switching means 13 for switching by the control signal of the set microprocessor, the video reproducing signal or the OSD-processed specific character can be selectively outputted according to the switching operation.

When the recording is completed on the deck unit, the tape is played back in reverse, and communication with the microprocessor of each deck unit is executed to check the tape recording status of each deck as a result of detecting the presence or absence of video and audio signals. Recording inspection of VSI copier comprising a set microprocessor (10A) having a series of control programs for controlling OSD processing of specific characters according to the result of the check and recording on the recorded tape of each unit. The completion display system is shown.

FIG. 4 is a flowchart illustrating a recording test completion display control process of a BD copier according to the present invention. After completion of recording and reverse playback during tape copying, the set microprocessor communicates with the unit microprocessor of each deck. Shows the operation to be executed according to the diagram.

That is, when the recording key is input, the first step (S411-S414) of performing recording until the recording is completed while connecting the video switching means to the output terminal of the master deck unit to transmit the video signal reproduced from the master tape to each unit unit; After the recording is finished, the second step (S415-S417) of reversely replaying the recording tape and connecting the video switching means to the output terminal of the OSD processing unit so that the OSD processed characters are transmitted to each unit unit, and after completing the second step, the unit Each deck unit performs communication with the microprocessor to check the test result of the recording state of the video signal and the audio signal of each tape, and to process specific characters according to the check result and to record the recorded tape of each unit on the tape of each unit. A third step (S418-S425) to be sequentially executed for the step and the sequential process is repeated for each unit After the execution, the tape recording inspection completion display program consisting of the fourth step (S426, S427) which rewinds the tape of each unit unit, returns it for the first time, discharges it, and ends the operation is shown.

The operation of the present invention as described above is as follows.

First, when the recording key is input (Y branch of S411), the set microprocessor 10A connects the video switching means 13 to the video output terminal of the master deck, so that the video signal reproduced from the master tape passes through the buffer 15. It transmits the recording signal to the unit unit and simultaneously sends the playback command and the recording command to the master deck unit and each unit unit 20A-20C to control the system to make a copy.

Therefore, the video / audio signal reproduced in the master deck portion is transmitted to each deck so that the video signal passes through the video switching means 13 and the buffer 15, and the audio signal passes through the buffer 14 to the respective unit portions. It is distributed to (20A-20C) and recorded on the recording tape.

When the above recording ends (Y branch in S414), the set microprocessor 10A executes reverse playback for each unit (S415, S416), and simultaneously controls the video switching means 13 to display the OSD processing unit 12. By connecting to the output terminal of the (S417) so that the OSD text data generated from the OSD processing unit is supplied to the video signal processing unit 21 of each unit unit 20A-20C through the video switching means 13 and the buffer 15 The recording source for the subsequent video signal is provided by the OSD processing unit 12.

At this time, the video signal processing unit 21 of each unit unit 20A-20C detects the synchronization of the video signal to determine whether or not there is an abnormality of the video signal recorded on the tape, and the audio signal processing unit 22 determines the DC level of the audio signal. Is detected to determine whether an audio signal is abnormal or not, and data about the determination result is transmitted to the microprocessor 20A of each unit unit.

Each unit microprocessor 25 that has received the above determination data transmits the data to the set microprocessor 10A.

Therefore, the set microprocessor 10A sequentially checks whether the unit units 20A-20C are judged with a time difference, and transmits OSD control data so that the OSD processing unit 12 outputs the corresponding character.

That is, the set microprocessor 10A first receives the determination result of the tape recording state of the first unit unit 20A as a result of communication with the microprocessor 25 of the first unit unit 20A, and passes or fails OSD characters. The first unit unit 20A is controlled by controlling the OSD processing unit 12 so as to generate a signal, and then controlling the first unit unit 20A in the recording mode for several seconds (for example, from 1 second to 2 seconds) and stopping the recording. A series of processes (X routines) for recording the pass or fail OSD characters in front of the recording tape of the "

This processing (X routine) is executed sequentially for each of the second unit portion 20B and the third unit portion 20C.

Next, if the above sequential processing is repeatedly performed for each unit, the set microprocessor 10A rewinds the tape of each unit unit 20A-20C for the first time, discharges it, and ends the tape inspection completion display operation. Done.

According to the present invention as described above, while checking the recording result of the video signal and audio signal detected by the microprocessor of the corresponding unit while the reverse playback control of each deck unit after the end of recording, and specified according to the check result By text-processing the characters so that they can be recorded on the recorded tape of each unit, it is possible to easily identify the recording state inspection result of the tape, thereby reducing the time and cost of tape inspection.

Claims (2)

Video switching means connected to a video signal transmission line from the master deck unit to each unit unit by an external control signal so as to selectively output the video signal or the OSD character of the OSD processing unit; After the end of recording on the deck unit, the tape is played back in reverse to check the recording status of the video tape and audio signal detected by the unit microprocessor, and to check the recording status of the tape. Recording inspection completion display system of VSI copier comprising a set microprocessor which includes a series of control programs for outputting specific characters sequentially through the OSD processing unit and recording them on the recorded tape of each unit. . The recording apparatus of claim 1, wherein the set microprocessor connects the video switching means to an output terminal of the master deck unit when a recording key is input, and executes recording until recording is completed while transmitting a video signal reproduced from the master tape to each unit unit. Step one, A second step of replaying the recording tape after the end of the recording and connecting the video switching means to the output terminal of the OSD processing unit so that the OSD processed characters are transmitted to each unit unit; After completing the second step, communication with the unit microprocessor is executed to check the test result of the recording state of the video signal and the audio signal of each tape, and OSD processing specific characters according to the check result is recorded in each unit. A third step of sequentially repeating the recording operation on the tape for each deck unit; And a video inspection completion display program comprising a recording inspection completion display program comprising a fourth step of rewinding, discharging, and ending the operation of the tape of each unit after the sequential processing is repeatedly performed for each unit. Recording inspection completion display system of.