JPH0366750B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an operating device for a video tape recorder (hereinafter simply referred to as VTR) used for video tape editing work and the like.

[Background technology and its problems]

Generally, when editing a videotape, you select the necessary video information from the video information recorded on the videotape, and then locate the tape position on the videotape where the necessary video information is recorded. I'm going one by one. Therefore, in order to locate the beginning of the videotape, it is necessary to check in advance the tape position of the videotape where necessary video information is recorded. Conventionally, while monitoring the contents of the video being played back from the videotape, the editing operator writes time data indicating the tape position where the necessary video information is recorded on a recording sheet one by one, and then the editing operator monitors the content of the video being played back from the video tape. After checking the content, if it was determined that it was necessary, the time data would be used for editing work. Therefore, organizing the above-mentioned time data requires an extremely large amount of effort and time.

[Purpose of the invention]

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to easily organize the time data necessary for performing the above-mentioned editing work, so that the editing work can be performed efficiently.

[Means to achieve the purpose]

In order to achieve the above object, the operating device for a videotape recorder according to the present invention provides at least one unit in which tape running time data supplied from a videotape recorder main body, which is provided with means for detecting the running time of a videotape, is temporarily stored. a first storage means comprising a register, a tape running time data write command means for specifying tape running time data supplied from the video tape recorder main body and written in the register of the first storage means; a second storage means comprising a number of registers to which the tape running time data stored in the first storage means is transferred and sequentially written; and each tape stored in the first and second storage means. read command means for arbitrarily selecting and specifying running time data for reading; and tape running time data specified by the read command means, read from the first storage means and transferred to the second storage means; a transfer command means; and an operation command means for commanding the operation of the video tape recorder main body based on the tape running time data specified by the read command means and read from the second storage means. That's what happens.

〔Example〕

Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

The embodiment shown in the block diagram of FIG. 1 is an application of the present invention to a broadcasting U-match VTR having a function of recording and reproducing SMPTE time codes as well as recording and reproducing video signals and control pulses CTL.

In this embodiment, a processor 2 provided in a VTR body 1 receives count output from a CTL counter 3 or a time code reader 4.
The tape running time data TM corresponding to the absolute address indicating the current tape position of a videotape (not shown) is calculated using the SMPTE code, and the tape running time data TM is supplied to the time data display section 5, and the present invention The data is supplied to a processor 11 provided in the operating device 10. In addition, the above
The processor 2 on the side of the VTR main body 1 functions as a system controller that controls the operation of the tape running system (not shown), etc. When the VTR main body 1 is operated alone, it performs normal operation control in accordance with commands from an operation unit (not shown). Do this. In this embodiment, the processor 2 on the VTR main body 1 side controls the operation of the VTR main body 1 in accordance with control signals supplied from the processor 11 on the operating device 10 side.

The operating device 10 includes a storage unit 12 that exchanges various data with the processor 11, and an operating switch unit 13 that provides various command signals to the processor 11.

The storage unit 12 includes three registers Reg.A,
A first storage unit MY _F consisting of RegB and Reg.C,
256 registers Reg.φ, Reg.1,…, Reg.25
₅ , each of these registers Reg.A, Reg.B, Reg.C, Reg.φ, Reg.
1, ..., various time data are stored as described later in Reg.255. Furthermore, the storage unit 12 includes a register that sequentially stores current tape running time data TM supplied from the VTR main body 1 side.
Reg.TM, a register Reg.F/B for storing selection mode data of the first storage section MY _F and the second storage section MY _B , each register Reg.A of the first storage section MY _F , Register Reg.FP that stores the register numbers of Reg.B and Reg.C, write command that stores the register numbers of each register Reg.φ, Reg.1, ..., Reg.255 in the second storage section MY _B register for
Reg.BWP and read control register Reg.BRP
It is equipped with Here, the operation mode in which data is exchanged between the processor 11 and the first storage unit _MYF is referred to as the Front mode, and the operation mode in which data is exchanged between the processor 11 and the second storage unit _MYB is referred to as the Front mode. The operating mode to be performed will be referred to as Back mode.

The operation unit 10 also has an entry key K _ENT for entry commands, a queue up key K _CUE for queue up commands, a pre-roll key K _PR for pre-roll commands, and each register _Reg.A , Reg. 8 types: A key K _A for selecting and specifying .B, Reg.C, B key K _B , C key K _C , mode switching key K for memory mode switching command, store key K _ST for _F/B store command. It consists of a key switch.

The processor 11 of the operating device 10 of this embodiment is designed to repeatedly perform a series of control operations as shown in the procharts of FIGS. 2A to 2G. Here, A1, A2, A3, A4, shown in Figure 2A to Figure 2G,
B1 and B2 indicate continuous points in the flowchart.

That is, this operating device 10 controls the VTR main body 1.
When performing remote control, the processor 11 first requests time data TM indicating the current tape position from the processor 2 on the VTR main body 1 side after starting the control operation (START), as shown in FIG. 2A. Then, the process moves to the first judgment operation _J1 .

In the first determination operation, it is determined whether or not time data TM has been sent from the VTR main body 1 side. The judgment result in this first judgment operation _J1 is
If NO, that is, the time data TM has not been sent, the time data TM request operation is performed again. Then, when the determination result in the first determination operation is YES, that is, the time data TM is being sent, the time data TM is transferred to the register Reg.TM of the storage section 12 described above. The stored contents of the register Reg.TM are sequentially rewritten into time data indicating the current position of the video tape on the VTR main body 1 side by the transfer operation. That is, the register Reg.TM always stores time data indicating the current position on the videotape.

After the above transfer operation, press the mode switch key mentioned above.
A second determination operation _J2 is performed to check the operating state of the K _F/B , that is, the presence or absence of a memory mode switching command. In this second judgment operation J ₂ , if the judgment result is YES, that is, the mode switching key K _{F/B is in the ON state, the process moves to the third judgment operation, and if the judgment result is NO, that is, the mode switching key K F/B} is in the ON state. Key K _F/B is OFF
If the state has been reached, the process moves to the fourth determination operation.

In the third determination operation, the contents of the register Reg _.
mode or the Back mode that specifies the second storage section MY _B mentioned above. In this third judgment operation, the judgment result is YES, that is, the above mode specification data is Front.
When the mode is set, the above register Reg.
The contents of F/B are set to Back mode and the process moves to the fourth judgment operation _J4 . Also, when the above judgment result is NO, the contents of the register Reg.F/B are set to Back mode.
Set to Fkont mode and move on to the fourth judgment operation _J4 . That is, the register Reg.F/B is specified by operating the mode switching key K _F/B.
Stores mode specification data for Front mode or Back mode.

Then, in the fourth judgment operation J ₄ , the above register
The contents of Reg.F/B are judged again. That is, in this fourth judgment operation _J4 , if the judgment result is YES, that is, the Front mode is set, the process moves to the fifth judgment operation _J5 shown in FIG. 2B, and if the judgment result is NO, that is, the Back mode is set. When the mode has been set, the process moves to the 24th determination operation _J24 shown in FIG. 2F, which will be described later.

In the fifth determination operation _J5 in FIG. 2B, the operating state of the entry key _KENT , ie, the presence or absence of an entry command, is determined. In this fifth judgment operation _J5 , if the judgment result is YES, that is, the entry key K _ENT is in the ON state, the process moves to the sixth judgment operation _J6 , and the judgment result is YES.
If NO, that is, there is no entry designation, the process moves to the eleventh determination operation _J11 shown in FIG. 2C, which will be described later.

In the sixth determination operation _J6 , it is determined whether data has already been stored in the first register Reg.A of the first storage section _MYF . In this sixth judgment operation _J6 , if the judgment result is NO, that is, the above-mentioned first register Reg.A is empty, the above-mentioned register is set to this first register Reg.A.
Transfers the contents of Reg.TM, that is, time data TM indicating the current position of the videotape on the VTR main body 1 side, and specifies each register Reg.A, Reg.B, and Reg.C of the first storage section MY _F. The contents of the register Reg.FP storing the register number to be stored are set to the register number [Reg.B] that designates the second register Reg.B, and the process moves to the eleventh judgment operation _J11 . In addition, in the sixth judgment operation J ₆ above, the judgment result is
If YES, that is, the first register Reg.A already contains data, the process moves to the seventh determination operation _J7 , and it is determined whether or not the second register Reg.B has contents. In the seventh judgment operation _J7 , if the judgment result is NO, that is, the second register Reg.B is empty, time data is sent from the register Reg.TM.
TM is transferred to the second register Reg.B, the contents of the register Reg.FP are set to register number [Reg.B], and the process moves to the eleventh determination operation _J11 . Furthermore, in the seventh judgment operation _J7 , the judgment result is
If YES, that is, data is already stored in the register Reg.B, the process moves to the eighth judgment operation _J8 .
Determine the presence or absence of the contents of the third register Reg.C.
In this eighth judgment operation _J8 , the judgment result is NO.
In other words, when the third register Reg.C is empty, the time data TM is transferred from the register Reg.TM.
is transferred to the third register Reg.C, the contents of the register Reg.FP are set to register number [Reg.A], and the process moves to the eleventh judgment operation _J11 . In the eighth judgment operation _J8 , when the judgment result is YES, that is, data has already been entered in the third register Reg.C, that is, in the Front mode, the entry key K _ENT has already been operated three times and the Each register Reg.A of storage unit MY _F of 1,
Each time data TM _A is in Reg.B and Reg.C, respectively.
When TM _B and TM _C are written, the first or first register specified by the register number [Reg.A], [Reg.B] or [Reg.C] indicated by the contents of the register Reg.FP above is written. Third register Reg.A, Reg.
The time data TM is transferred from the register Reg.TM to B and Reg.C, and the process moves to the ninth judgment operation _J9 . In the ninth judgment operation _J9 , the time data TM is
Determine whether or not it has been written to register Reg.A.
In this ninth judgment operation _J9 , the judgment result is YES
In other words, time data TM is stored in the first register Reg.A.
When writing , the contents of register Reg.FP are set to register number [Reg.B] and the 11th judgment operation is performed.
Move to J ₁₁ . Further, in the ninth judgment operation _J9 , when the judgment result is NO, the process moves to the tenth judgment operation _J10 , and it is judged whether or not the above-mentioned time data TM has been written to the second register Reg.B. do. In this 10th judgment operation J ₁₀ , when the judgment result is YES, the contents of the register Reg.FP are transferred to the register number [Reg.C] to the 11th judgment operation J ₁₁ .
Also, if the above judgment result is NO, the contents of the above register Reg.FP are transferred to the register number [Reg.A].
Then, the process moves to the eleventh determination operation _J11 . That is, in this embodiment, when the entry key _KENT is operated according to the operation of the flowchart shown in FIG. 2B,
The time data TM indicating the current position of the videotape at that time is stored in the register Reg.TM in the first storage section _MYF.
The first to third registers MY _A , MY _B , MY _C
It is now being transferred sequentially.

Next, in the eleventh determination operation _J11 in FIG. 2C, the operating state of the store key _KST, that is, the presence or absence of a store command is determined. In this eleventh judgment operation J ₁₁ ,
If the judgment result is YES, that is, the above store key K _ST is
When it is in the ON state, the 12th judgment operation J ₁₂
Then, it is determined whether the contents of register Reg.BWP are 255 or not. Further, in the eleventh determination operation _J11 , if the determination result is NO, that is, there is no store command, the process moves to the sixteenth determination operation _J16 shown in FIG. 2D, and the operation state of the pre-low key _KPR is determined. In the above twelfth judgment operation J ₁₆ ,
If the judgment result is YES, a register that stores the register number for writing that specifies each register Reg.φ, Reg.1, ..., Reg.255 of the second storage section MY _B.
When the content of Reg.BWP has not reached "255", the 13th to 15th judgment operations J ₁₃ , J ₁₄ , and J ₁₅ are performed in sequence, and the A key K _A , B key K _B , and C key K _C
Determine the state of each operation. In the 13th to 15th judgment operations J ₁₃ , J ₁₄ , and J ₁₅ , when all the judgment results are NO, that is, the keys K _A , K _B , and _KC are all in the OFF state, the 16th judgment is performed. Operation J ₁₆
Move to. Furthermore, in the thirteenth determination operation J ₁₃ ,
When the judgment result is YES, that is, the A key K _A is in the ON state and the first register Reg.A of the first storage section MY _F is specified, the data is stored in the first register Reg.A. time data
TM _A to each register Reg.φ of the second storage section MY _B ,
The above registers among Reg.1,...,Reg.255
Transfer the register number [Reg.B] specified by the contents of Reg.BWP to the register Reg. [Reg.BWP] of the WP. Furthermore, in the fourteenth judgment operation _J14 ,
If the judgment result is YES, that is, the B key K _B is turned on, and the second register Reg.B of the first storage section MY _F is
is specified, the above second register
The time data TM _B stored in Reg.B is
Transfer to register Reg. [Reg.BWP] in storage section MY _B. Furthermore, in the 15th judgment operation J ₁₅ ,
When the judgment result is YES, that is, when the third register Reg.C of the first storage section MY _F is specified by the operation of the C key K _C , the third register Reg.C is specified.
The time data _TMC stored in is transferred to the register Reg.[Reg.PWP] of the second storage section _MYB .
Through the above transfer operation, each time data TM _A , TM _B , and TM _C stored in each register Reg.A, Reg.B, and Reg.C of the first storage unit MY _F is transferred to each key.
It is selected by operating K _A , K _B , and K _C and written to register Reg. [Reg. PWP] of the second storage section MY _B. After the above transfer operation, the above register
The contents of Reg.BWP are transferred to register Reg.BRP, and the contents of register Reg.BWP are added to 1.
is added, and the process moves to the 16th determination operation _J16 . That is, from the first storage unit MY _F to the second storage unit
When time data TM is transferred to MY _B , the contents of the above register Reg.BWP, that is, the second storage section
Each register of MY _B Reg.φ, Reg.1, ..., Reg.2
The register number [Reg.BWP] that specifies 55 is 1
Therefore, the second storage unit MY _B
Each register Reg.φ, Reg.1, ..., Reg.255 contains each register Reg.A, Reg.A, Reg.255 of the first storage section _MYF .
Each time data stored in Reg.B and Reg.C
Any one of TM _A , TM _B , and _TMC will be transferred and written sequentially.

Furthermore, in the 16th judgment operation J ₁₆ of FIG. 2D,
Determines the operating state of the pre-roll key K _PR , that is, the presence or absence of a pre-roll command. This 16th judgment operation
In J ₁₆ , when the judgment result is YES, that is, the pre-roll key K _PR is in the ON state,
The process moves to the 17th judgment operation _J17 , and if the above judgment result is NO, that is, there is no pre-roll command, the process moves to the 20th judgment operation _J20 shown in FIG. 2D, which will be described later.
Then, in the 17th judgment operation _J17 , the above-mentioned A
The operation state of the key K _A , that is, the presence or absence of designation of the first register Reg.A of the first storage section MY _F is determined.
In this 17th judgment operation J ₁₇ , the judgment result is
YES, that is, when the first register Reg.A is specified, the time data TM _A stored in the first register Reg.A is transferred to the VTR body 1.
Above to pre-roll the videotape on the side
A control signal is supplied to the processor 2 on the VTR main body 1 side. Further, when the judgment result of the 17th judgment operation J ₁₇ is NO, that is, the above first register Reg.A is not specified, the 18th judgment operation J ₁₈
Then, the operating state of the above-mentioned B key K _B is determined.
In this 18th judgment operation J ₁₈ , the judgment result is
YES, that is, when the second register Reg.B is specified, the processor 2 on the VTR main body 1 is instructed to pre-roll the videotape from the time data TM _B stored in the second register Reg.B. Provides control signals. Further, when the judgment result of the 18th judgment operation _J18 is 100, that is, the above second register Reg.B is not specified,
Moving on to the nineteenth determination operation _J19 , the operation state of the above-mentioned C key K _C is determined. In this 19th judgment operation _J19 , the judgment result is YES, that is, the third register
When Reg.C is designated, a control signal is supplied to the processor 2 on the VTR main body 1 side to pre-roll the video tape from the time data _TMC stored in the third register Reg.C. That is, in this embodiment, the pre-roll key
Operate K _PR to issue a pre-roll command, and use the memory designation keys K _A , K _B , and K _C to select the first memory section.
By specifying each register Reg.A, Reg.B, and Reg.C of MY _F , it is possible to perform the preroll operation of the VTR body 1 from the contents of the specified register, that is, time data. . After the pre-roll operation control, a 20th determination operation _J20 shown in FIG. 2E is performed to determine the operation state of the queue-up key K _CUE , that is, the presence or absence of a queue-up command.

In the above 20th judgment operation J ₂₀ , the judgment result is
When YES, that is, there is a queue up command,
The process moves to the 21st judgment operation _J21 , and if the above judgment result is NO, that is, there is no queue up command, the process returns to the initial state START shown in FIG. 2A described above. In the 21st judgment operation J ₂₁ , the A key K _A
Determine the operating status of. This 21st judgment operation J ₂₁
When the determination result is YES, that is, the first register Reg.A is specified, the VTR main body 1 is instructed to queue up the videotape to the time data TM _A stored in the first register Reg.A. A control signal is supplied to the processor 2 on the side. Furthermore, in the 21st determination operation J ₂₁ ,
If the judgment result is NO, the second register Reg.
If A has not been designated, the process moves to the 22nd determination operation _J22 , and the operating state of the B key K _B is determined.
When the judgment result of this 22nd judgment operation _J22 is YES, that is, the second register Reg.B is specified, the video tape is queued to the time data TM _B stored in the second register Reg.B. A control signal is supplied to the processor 2 on the VTR main body 1 so as to Furthermore, the above 22nd determination operation
If the judgment result of J ₂₂ is NO, the second register Reg.
If B has not been designated, the process moves to the 23rd determination operation _J23 , and the operating state of the C key K _C is determined.
When the judgment result of this 23rd judgment operation _J23 is YES, that is, the third register Reg.C is specified, the video tape is queued to the time data TMC stored in the third register _Reg.C. A control signal is supplied to the processor 2 on the VTR main body 1 so as to That is, in this embodiment, a preroll command is issued using the queue up key K _CUE , and each register Reg.A, Reg.B, Reg.C of the first storage section _MYF is sent to each key K _A , K _B , K _C . By specifying the register, the VTR main body 1 can perform a queue-up operation on the contents of the specified register, that is, time data.

Next, the fourth determination operation shown in FIG. 2A above is performed.
In _J4 , if the determination result is NO, that is, Back mode is set in register Reg.F/B, the process moves to the 24th determination operation _J24 shown in FIG. 2F.
The operating state of the entry key K _ENT described above is determined. In this 24th judgment operation J ₂₄ , when the judgment result is YES, that is, entry designation has been made, the process moves to the 25th judgment operation J ₂₅ , and when the above judgment result is NO, that is, entry designation has not been made, the 26th judgment operation J 24 is performed. Proceed to judgment operation _J26 . In the above 25th judgment operation _J25 , the contents of the register Reg.BWR, that is, each register of the second storage section MY _B
It is determined whether the read register number [Reg.BWR] specifying Reg.φ, Reg.1, . . . , Reg.255 has reached "255". In this 24th judgment operation _J24 , if the judgment result is YES, that is, the register number [Reg.BWR] stored in the register Reg.BWR is "255", the
26 Judgment operation _J26 . Further, in the 25th judgment operation J ₂₅ , if the judgment result is NO, that is, the register number [Reg.BWP] has not reached "255", the register number [Reg. .BWP] to the read register Reg.BRP, and the second register specified by the register number [Reg.BWP] above.
The time data TM indicating the current tape position stored in the register Reg.TM is transferred to the register Reg.[Reg.BWP] of the storage unit _MYB . After the above transfer operation, 1 is added to the contents of the register Reg.BWP, ie, the register number [Reg.BWP], and then the process moves to the 26th determination operation _J26 . In this embodiment, by the above-described operation, time data TM indicating the current position of the videotape is stored in each register _Reg .
Entry key K _ENT for Reg.1,…, Reg.255
It is now possible to write sequentially using the .

In addition, in the 26th judgment operation J ₂₆ , the above-mentioned A
Determine the operating state of key K _A. In this 26th judgment operation _J26 , if the judgment result is YES, that is, the A key K _A is in the ON state, 1 is added to the value times 100 of the contents of the register Reg.BRP, as shown in FIG. The process moves to the 29th determination operation _J29 shown in G.
Further, when the determination result of the twenty-sixth determination operation _J26 is NO, that is, the A key K _A is in the OFF state, the process moves to the twenty-seventh determination operation _J27 , and the operation state of the B key K _B is determined. In this 27th judgment operation _J27 , when the judgment result is YES, that is, the B key K _B is in the ON state, the above register Reg.BRP
1 is added to the value that is 1 times the content of , and the process moves to the 29th judgment operation _J29 . Furthermore, the 27th determination operation J ₂₇
When the judgment result is NO, that is, the B key K _B is in the OFF state, the process moves to the 28th judgment operation _J28 .
Determine the operation status of C key K _C. In this 28th judgment operation _J28 , when the judgment result is YES, that is, the C key K _C is in the ON state, the value in the ones place of the contents of the register Reg.BRP is set to 1.
is added, and the process moves to the 29th determination operation _J29 . That is,
Each key K ₄ , K _B , K _C in this example is
When the Back mode is set, each _register Reg.φ, Reg.1, ...,
Reg.255 read specification register Reg.BRP
It functions as a setting key for the register number [Reg.BRP] stored in the .

Next, in the 29th judgment operation J ₂₉ shown in FIG. 2G,
It is determined whether the contents of the register Reg.BRP, that is, the register number [Reg.BRP] exceeds 255. In this 29th judgment operation _J29 , the judgment result is YES, that is, the above register number [Reg.BRP]
exceeds 255, the process returns to the initial state START shown in FIG. 2A described above. And the above
Judgment operation J of 29 When the judgment result of ₂₉ is NO, that is, the register number [Reg.BRP] is 255 or less,
The process moves to the 30th determination operation _J30 . This 30th judgment operation
In J ₃₀ , the contents of the above register Reg.BRP, that is, the second specified by the register number [Reg.BRP]
Each register Reg.φ, Reg.1, ..., in the storage section MY _B of
It is determined whether or not time data is stored in Reg.255. In the above 30th determination operation J ₃₀ ,
If the judgment result is YES, that is, the time data is stored in the register Reg. [Reg.BRP] of the second storage unit MY _B specified by the register number [Reg.BRP], the 31st judgment operation J Moving on to ₃₁ ,
Cue up key K Determines the operation status of _CUE .
The determination result in this 31st determination operation J ₃₁ is YES
That is, when a queue up command is issued, the register Reg. [Reg.BRP] of the second storage section MY _B specified by the above register number [Reg.BRP]
A control signal is supplied to the processor 2 on the VTR main body 1 side so as to queue up the video tape based on the time data stored in the VTR main body 1. Furthermore, when the judgment result of the above 31st judgment operation _J31 is NO, that is, a queue up command has not been issued, the 32nd judgment operation J31 is performed.
Moving on to J ₃₂ , the operating state of the pre-roll key K _PR is determined. In this 32nd judgment operation _J32 , if the judgment result is YES, that is, a preroll command has been issued, register _Reg .
VTR body 1 to pre-roll the videotape from the time data stored in [Reg.BRP].
A control signal is supplied to the processor 2 of the processor 2.

In this embodiment, which performs the operations of the flowcharts shown in FIGS. 2A to 2G above, the entry key in the Front mode is
Each time data TM _A , TM _B , TM C sequentially written to each register Reg.A, Reg.B, _Reg.C of the first storage unit MY _F by key operation of K _ENT is stored in the store key K _ST , each register Reg.φ, Reg.1, ..., of the second storage section MY _B can be arbitrarily selected as necessary by key operation of each memory specification key K _A , K _B , K _C .
It can be transferred and stored in the order of Reg.255. For example, while recording the video being broadcast live on the VTR main body 1 side, the operation section 13 of the operation device 10
By operating the entry key K _ENT , each time data indicating the beginning, middle, and end tape position of each case during broadcasting is stored in the first to third registers Reg.A of the first storage section _MYF . Sequentially write to Reg.B and Reg.C and temporarily store it, and after checking the contents and results, write only the time data deemed necessary for editing work to each register of the second storage unit MY _B. It can be stored sequentially in Reg.φ, Reg.1, ..., Reg.255. Therefore, editing work can be performed extremely easily using the 256 pieces of time data stored in the second storage section _MYB . In addition, the first storage unit MY _F and the second storage unit
Based on each time data stored in MY _B , pre-roll control operation and cue-up operation control are performed.
Even during live broadcasting, video of necessary scenes can be quickly reproduced and broadcast.

〔Effect of the invention〕

As is clear from the description of the above embodiments, according to the present invention, the tape running time data supplied from the video tape recorder main body is temporarily stored in the first storage means, and the video content is stored as necessary. After confirming whether or not it is, the time data is transferred from the first storage means to the second storage means and stored as necessary, so that only the necessary time data is stored in the second storage means. The time data can be stored in the storage means, and by controlling the operation of the video tape recorder main body based on the time data, efficient editing work is possible and the intended purpose can be fully achieved.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention. 2A, 2B, 2C, 2D, 2E, 2F and 2G are a series of flowcharts showing the operation of the above embodiment. 1... VTR body, 2... Processor on the VTR body side, 3... CTL counter, 4... Time code reader, 10... Operating device, 11... Processor on the operating device side, 12, MY _F , MY _B ...Memory section,
13...Switch operation section, Reg.A, Reg.B, Reg.
C...A register forming the first storage section MY _F , Reg.
φ, Reg.1, ..., Reg.255...second storage section
Registers forming MY _B , K _ENT , K _CUE , K _PR , K _A ,
K _B , K _C , K _F/B , K _ST ... operation keys.

Claims (1)

[Scope of Claims] 1. A first storage means comprising at least one register in which tape running time data supplied from a videotape recorder body equipped with means for detecting the running time of a videotape is temporarily stored; Supplied from the video tape recorder body above,
tape running time data write command means for specifying tape running time data to be written in the register of the first storage means; and tape running time data stored in the first storage means is transferred and sequentially written. a second storage means consisting of a large number of registers, a read command means for arbitrarily selecting and specifying each tape running time data stored in the first and second storage means, and reading out the tape running time data stored in the first and second storage means; transfer command means for tape running time data that is specified by the read command means and read from the first storage means and transferred to the second storage means; and a second storage means that is specified by the read command means. an operating device for a video tape recorder, comprising operation command means for commanding the operation of the video tape recorder main body based on tape running time data read from the video tape recorder.