JPH02278589A - Video tape recorder - Google Patents

Abstract

PURPOSE:To easily confirm the content of recording by automatically storing the positional information of starting the recording and the positional information of finishing the recording with the aid of interlocking with a recording action and executing program searching based on the positional information. CONSTITUTION:When the command of starting the recording action is given to an action mode control part 8 and the recording action is started, the positional information on a tape where the recording is started is automatically stored in a memory 6. Besides, when an entry command key 9 is operated in the midst of the recording action, the positional information of the entry operation which shows the position is stored in the memory 6. Then, when the command of finishing the recording action is given to the control part 8 and the recording action is finished, the positional information of the tape where the recording is finished is automatically stored in the memory 6. After the recording action is finished, the program searching to the recording start position, the recording finish position or the entry operation position is executed by the operation of program searching command keys 11 - 13.

Description

DETAILED DESCRIPTION OF THE INVENTION A. Industrial Field of Application The present invention has a cueing control function for recorded content B. Summary of the Invention The present invention provides information on the recording start position and recording end position of a tape in conjunction with recording operations. By automatically storing information and performing cue control based on the position information, it is possible to easily check the recorded content by the video tape recorder.

C. Conventional Technology Conventionally, studio-type video tape recorders have been equipped with a storage means for manually storing a recording start point and a recording end point for editing processing of recorded contents, and a recording start position stored in the recording means. Some devices are equipped with operating means such as a so-called pre-roll key or cue-up key for cueing to the recording end position. There is also a videotape recorder that has a function of automatically storing the recording end point and using it as the recording start point for the next recording.

D Problems to be solved by the invention However, when recording on a new tape on which nothing has been recorded, or when there is a weak relationship between the content already recorded and the content to be newly recorded, etc. , recording is not performed by setting the recording start point or recording end point in advance.

Therefore, in order to check whether the recording was completed without any problems when the recording is finished, make a note of the quim court' etc. at the starting point of the recording, and manually operate it while looking at the contents of the time display. The above-mentioned starting point is cued up by.

■ Make a note of the time court that is considered to be important in the recording while recording, and cue manually based on the note while looking at the contents of the time display.

Possible methods include:

However, using these methods to locate the beginning and check the recorded contents requires the user to perform rewinding and fast forwarding operations one by one while watching the time display indicating the tape position, making it extremely difficult to operate. This creates the problem of poor sex.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, it is an object of the present invention to make it possible to easily check the recorded contents in a button-pull type video tape recorder used for gathering news information, etc. A video tape recorder with a new configuration that automatically stores at least recording start position information and recording end position information in conjunction with recording operation mode switching control, and can perform cueing based on this position information. It provides:

E. Means for Solving the Problems In order to achieve the above-mentioned object, the video tape recorder according to the present invention includes a tape position detection means and a storage means for storing tape position information obtained by the tape position detection means. , storage control means for automatically storing at least tape recording start position information and recording end position information in the storage means, in connection with the switching control of the recording operation mode; and a tape position obtained by the tape position detection means. It is characterized by comprising a tape position control means for performing cue control based on information and each position information stored in the storage means.

F. Function In the video tape recorder according to the present invention, the storage means for storing the tape position information obtained by the tape position detection means is configured to at least start recording the tape in connection with the switching control of the recording operation mode. Position information and recording end position information are automatically stored. The tape position control means performs a cue control section based on the tape position information obtained by the tape position detection means and each position information stored in the storage means.

G. Embodiment Hereinafter, an embodiment of the video tape recorder according to the present invention will be described in detail with reference to the drawings.

The main structure of a portable type video tape recorder to which the present invention is applied is shown in the block diagram of FIG.

The tape position detection section in this video tape recorder (
1) is a time code reader (2) that reads the time code recorded on the tape, and a CTL timer (3) that detects the amount of tape travel.
The tape is detected based on three types of data: CTL data obtained by The position is sequentially detected and the tape position information is supplied to the memory via the memory control section (5), and the tape position information is supplied to the cue control section.

The memory control section (5) includes an operation mode control section (8) that controls the operation mode of the video tape recorder.
A key operation detector (10) is supplied with control signals indicating the start and end points of the recording operation in connection with recording operation mode switching control, and detects that the entry command key (9) has been operated. Entry control signals are supplied from. The memory control unit (5)
) is tape position information, that is, recording start position information obtained by the tape position detection unit 1 at the start of the recording operation, in response to a control signal from the operation mote control unit (8);
At the same time as performing storage control to automatically store the tape position information obtained by the tape position detecting section (1), that is, the recording end position information, in the memory (6) at the end of the recording operation, the above key operation is performed. In response to the entry control signal from the detector (10), the tape position information obtained at the time when the entry command key (9) is operated, that is, the entry operation position information is transmitted to the tape position detection section (1). Storage control is performed to store data in the memory (6).

The cueing control unit (7) also detects three types of cueing command keys (11), (12), and (13) from a key operation detector (14) that detects the key operation states of the cueing command keys (11), (12), and (13). A tape feed command signal is supplied, and the tape running control section ( 15), performs cueing control according to the cueing command signal. That is, when the cueing control unit (7) is supplied with a cueing command signal to the recording start position by key operation of the cueing command key (11) from the key operation detector (14), -J Operate the tape running control section (15) to obtain the recording start position information stored in the memory (6) and the tape position detection section (1).
Cue control is performed so that the tape position information obtained in . Further, when a cue command signal to the recording end position is supplied from the key operation detector (14) by key operation of the cue command key (12), the tape running control section (15) is operated. Then, cueing control is performed so that the recording end position information stored in the memory (6) matches the tape position information obtained by the tape position detecting section (1). Furthermore, the cue command key (13)
) is supplied from the key operation detector (14),
The tape running control section (15) is operated so that the entry operation position information stored in the memory (6) matches the tape position information obtained by the tape position detection section (1). Performs output control.

That is, in this video tape recorder, a command to start a recording operation is given to the operation mode control section (8), and when the recording operation is started, tape recording start position information is automatically stored in the memory 6. Ru. Also, when the entry command key (9) is operated during recording operation, the entry operation position information indicating the position is stored in the memory (6).
is memorized.

Then, ζ, an instruction to end the recording operation is given to the operation mode control section (8), and when the recording operation is ended, information on the tape recording end position is automatically stored in the memory (6).

After the recording operation is completed, the above three types of cueing command keys (11), (12), and (13) are operated to cue to the recording start position, recording end position, or entry operation position. be able to. Therefore, in this video tape recorder, it is possible to check the recorded content by cueing to the recording start position or entry operation position and then performing a playback operation. Also,
By cueing to the recording end position, new recording can be easily prepared.

In addition, in the video tape recorder mentioned above, C T according to the time code recorded on the tape and the tape running distance
The tape position detection unit (
]) detects the tape position, the cue control can be performed to the tape position determined to be the lowest from the three types of data.

Effects of the Invention In the video tape recorder according to the present invention, the storage control means stores at least the tape position information obtained by the tape position detection stage in connection with the switching control of the recording operation mode. Recording start position information and recording end position information are automatically stored. Then, cue control can be performed by the tape position control means based on the tape position information obtained by the tape position detection means and each position information stored in the storage means.

Therefore, according to the present invention, when recording ends, the tape position control means performs a cueing operation to the recording start position, thereby making it possible to easily check the recorded content, and to move to the next recording start position. The cueing operation can also be performed quickly by controlling the cueing to the recording end position by the tape position control means, and a balk-pull type suitable for applications such as reporting news information can be achieved.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the main structure of a video tape recorder according to the present invention. (1)...Tape position detection unit (5)...Memory control unit (6)...Memory book beginning control unit Operation mode control unit Tape travel control unit

Claims (1)

[Scope of Claims] Tape position detection means; storage means for storing tape position information obtained by the tape position detection means; storage control means for automatically storing recording end position information in the storage means; and performing cue control based on the tape position information obtained by the tape position detection means and each position information stored in the storage means. A video tape recorder comprising tape position control means.