JPH05250858A - Prescribed part selecting device for video cassette tape - Google Patents

Abstract

PURPOSE: To facilitate searching of an MTV program recorded in a video cassette tape, by comparing a previously recorded position code or bar code with a selection number and finding a desired part. CONSTITUTION: After determining the selection number, when a button with a searching indication is pushed, the retrieval of the previously recorded position code, having the same decoding value as a required music in the program, i.e., a selection number indicated on a digital display 91, is started with the device. Then, a first motor 61 is rotated with a rewinder, and a cassette tape is sent forward. Upon encountering the previously recorded position code or bar code, a binary A is compared with a binary B with a digital comparator 50. And the first motor 61 is rotated, to send the cassette tape 10 forward in the case of A<B, a second motor 62 is rotated, so as to rewind the cassette tape in the case of A>B, and the motor is stopped in the case of A=B.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device used for a video cassette recorder (VCR) or a separate type rewinder and for selecting a specific portion of a program recorded on a video cassette tape.

[0002]

BACKGROUND OF THE INVENTION Video cassette tapes are used to record a large number of music often played along with video footage, in addition to recording movie programs. Video programs recorded in this way are generally MTV (music television).
Stands for).

[0003]

A standard VCR cassette tape having a reproduction time of 2 hours has an MT of about 15 to 20 songs.
Although V programs can be recorded, since VCR cassette tapes are sequential access media, trying to listen to a particular song of an MTV program somewhere in the middle of the cassette tape is very cumbersome. The only way this can be done is to advance or rewind the cassette tape somewhat, press the stop button, then press the play button to see what is playing. If the music being played is not the desired music, the same operation is repeated many times until the desired MTV program is searched for.

As a technique for automatically searching for a desired song in an MTV program, an audio signal detecting means and a counter are provided.
There is a method of using (not shown). In this technology, first,
The VCR cassette tape is rewound to the start end thereof, and then forwarded until the recorded portion having no audio signal is detected three times by the audio signal detecting means. However, this technique has a problem that it takes a considerably long time when the rewinding of the VCR cassette tape is required.

Therefore, a main object of the present invention is to provide an apparatus for finding a desired track of an MTV program recorded on a VCR cassette tape, which is installed in a video cassette recorder or a separate cassette tape rewinder.

[0006]

As a means for achieving the above object, the present invention pre-records a specific position code in a voice signal unrecorded portion preceding a desired tune of an MTV program, or uses a bar code. While attaching the printed code band, a user selection button for selecting a selection number corresponding to a desired tune of the MTV program is provided, and the selection number is compared with a prerecorded position code or a printed barcode. By doing so, a desired portion can be found.

[0007]

In order to make the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1 (b), on a VCR tape 10 in which a large number of music pieces of an MTV program are recorded, numerals 11b, 12b, 13b are provided between two music pieces arranged continuously in the MTV program.
There is always a blank segment, as shown in. This blank segment is a portion of the VCR tape where no audio signal is recorded and lasts 4 to 5 seconds during reproduction. As shown in the figure, the first blank segment 11b is a portion (numeral 11) where the first song of the MTV program is recorded.
Indicate. ), And the second blank segment 12b is the portion in which the second song of the MTV program is recorded.
(Indicated by numeral 12), and the third blank segment 13b precedes the portion (indicated by numeral 13) in which the third song of the MTV program is recorded, and so on. Standard VCR tapes are generally 15-20
Recording of MTV music of a song can be performed.

When the user (consumer) wants to enjoy the third song of the MTV program recorded on the VCR tape 10, for example, a blank immediately before the portion where the third song of the MTV program is recorded. The VCR tape 10 is advanced or rewound until the segment 13b is detected.

The technique of the present invention is to add some form of code to every blank segment on a VCR tape. These codes are referred to herein as position codes. These position codes are decoded and
Produces a series of sequentially arranged binary numbers.

Referring simultaneously to FIGS. 1A and 1B, there are two methods by which the position code can be added to the blank segment of the VCR tape 10.

The first method is by recording a video signal pre-modulated with a position code. Therefore, as shown in FIG. 1A, the blank segments preceding the music piece of the MTV program are numbers 11a, 12a, 13a.
The position code is pre-recorded as shown by. First
When practicing this method, an agreement between the manufacturer of the device of the present invention and the manufacturer of the MTV cassette tape is necessary in order to adapt the position code protocol.

The second method can be used for MTV cassette tapes that have not already been recorded with the position code already on the market. In this case, as shown in FIG. 1 (B), each blank segment preceding the tune of the MTV program has an elongated piece of adhesive cord band 30 attached to its back surface.

When the second method is used, a set of 20 pieces of adhesive cord bands 30 sequentially numbered from 1 to 20 are used.
Is prepared to be attached to the blank segment on the VCR tape 10. In addition, each code band 30 has a numerical value of 2 which is equal to the number attached to the code band when decoded.
The particular bar code that produces the binary signal is printed.

The user, as shown in FIG.
A cord band can be attached to the back of the blank segment of the V cassette tape. In this case, the code band with the code "1" is attached to the back surface of the first blank segment before the part where the first music of the MTV program is recorded, and the code band with the code "2" is attached. Are sequentially attached to the rear surface of the second blank segment between the first music piece of the MTV program and the second music piece of the MTV program, and so on. Each blank segment 11b, 12
b and 13b can be positioned by a conventional method. That is, the cassette tape to which the code band is attached may be reproduced from the beginning end thereof, and after the reproduction of each song of the MTV program is completed, the cassette tape may be taken out and the code band may be attached to the back surface of the VCR tape. This operation is repeated until the last song of the MTV program. In this case, it is extremely important for the user to apply the cord bands 30 in sequence according to the numbers on the label, otherwise the device of the invention will fail.

Referring to FIG. 2, the rewinder 1 will be described.
00 comprises the device according to the present invention, which can be used only when the cassette tape inserted in the rewinder 100 is provided with the position code by either of the above two methods. If the cassette tape has a pre-recorded position code, tilt the switch lever to the position marked "recorded code" and the cassette tape has a code band attached. In this case, push the switch to the position marked with the "bar code". The user should be aware of what type of position code is provided on the cassette tape. this is,
This is because the code band is actually attached to the cassette tape by the user himself, and the cassette tape having the position code previously recorded is indicated by a mark on the cover. A pair of selection buttons 71 and 72 marked with "↑" and "↓" are provided to allow the user to select a desired song of the MTV program. For example, when the user enjoys the performance of the third music piece of the MTV program recorded on the cassette tape, the selection button 71 marked with "↑" is pressed three times.
Just press it twice. The number of times the selection button 71 is pressed is displayed on the digital display 91. Therefore, in the above example, the Arabic numeral "3" is shown on the digital display 91. If the user wants to reduce the number of selections displayed on the digital display 91, he or she may press the selection button 72 marked with "↓".

Referring to FIG. 3 showing a block diagram of the apparatus together with FIG. 2, each time the select button 71 is pressed, a pulse is generated which causes the count of the up / down counter 80 to be incremented by 1. Every time you press 72,
A pulse is generated which causes the up / down counter 80 to decrement the count by one. Up-down counter 80
Is a 5-bit binary number B, which is input to the display controller 90, and its equivalent decimal number is displayed on the digital display 91.

After the selection number has been decided, when the button 73 marked with "Search" is pressed, the device reads the desired song of the MTV program, in other words, the same decoding value as the selected number displayed on the digital display 91. A search for either the prerecorded position code or the position code printed on the code band in response to the selection of the switch 74 is started.

The rewinder 100 rewinds the cassette tape ("REW") with the first motor 61 used to advance the cassette tape (when the button labeled "FF" is pressed). A second motor 62 used when the button with the symbol is pressed).

When the switch 74 shown in FIG. 2 (this switch is actually a two-way switch as shown in FIG. 3) is moved to the position marked with the "recorded code", the audio magnetic head 43 is moved. A prerecorded position code is detected by using it, and the position code is converted into a binary number A by the audio signal demodulator 44. On the other hand, FIG.
When the switch 74 is moved to the position marked with the "code band", the bar code printed on the code band is detected by the code reader 41, and the bar code is converted into the binary number A by the decoder 42.

When the search is started, the rewinder 100
First issues a command to the first motor 61 to rotate it and advance the cassette tape. Upon encountering a prerecorded position code or a printed bar code, the binary number A is compared with the binary number B by the digital comparator 50. The digital comparator 50 has three 1-bit digital output signals Y ₁ , Y ₂ and Y ₃ for indicating the comparison result. If A <B, Y ₁ = 1 and if A = B, Y ₂ =
If 1, A> B, then Y ₃ = 1.

Three kinds of digital signals Y₁, Y₂, Y₃Is the
A motor for controlling the rotation of the first motor 61 and the second motor 62.
Input to the controller 60 and signal Y₁= 1 is output
And the first motor 61 to advance the cassette tape.
Rotate signal Y₃When = 1 comes out, the cassette tape
The second motor 62 is rotated so as to rewind, and the signal Y
₂When = 1 is output, the rotating motor is stopped.

Since the position codes are arranged consecutively, if the desired position code is still ahead of the currently detected position code, then A <B and therefore Y ₁ = 1. As a result, the motor controller 60 issues a command to the first motor 61 to maintain the advance feed until the condition of A = B is satisfied. In response to the signal Y ₂ = 1 the motor controller 60 issues a command to the first motor 61 to stop the rotation and causes the cassette tape to be ejected from the rewinder 100.

If the currently detected position code precedes the desired position code, then A> B and therefore Y ₃
= 1. Because of this condition, the motor controller 60
Stops the first motor 61 and issues a command to the second motor 62 to rotate it, until the condition of A = B is satisfied,
Rewind. In response to the Y ₂ = 1 signal, the motor controller 60 issues a command to the second motor 62 to stop the rotation and eject the cassette tape from the rewinder 100. When this cassette tape is played on a VCR, the desired song of MTV music is immediately seen.

Although the present invention has been described above with reference to its embodiments, the scope of the present invention is not limited to the embodiments described above, and various modifications are possible. These modifications and similar ones are also included in the present invention. It should be understood to be included in the range of.

[0026]

As described above, according to the present invention, the MT
A specific position code is recorded in advance in the audio signal unrecorded portion (blank segment) preceding the desired song of the V program, or a code band with a barcode printed is attached and placed to the desired song of the MTV program. Since a user selection button for selecting a corresponding selection number is provided and a desired portion is found by comparing a prerecorded position code or a printed bar code with the selection number, it is recorded on a VCR cassette tape. It is possible to easily perform an operation of searching for a desired music piece of the selected MTV program, so-called cueing, in a short time.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing an arrangement state of position codes in a space between two consecutive music pieces of an MTV program on a VCR cassette tape, where (A) shows a position code previously recorded in the space between the music pieces; ) Is a code band attached to the back of the blank segment between tracks,

FIG. 2 is an explanatory view showing a VCR cassette tape rewinder having a music selection function of an MTV program according to the present invention,

FIG. 3 is a block diagram of an apparatus according to an embodiment of the present invention.

[Explanation of symbols]

 10: VCR cassette tape 11a, 12a, 13a: Position code 11b, 12b, 13b: Segment 30: Code band 61: First motor 62: Second motor 71, 72: Selection button 100: Rewinder

Claims (1)

[Claims] 1. A device mounted in a cassette tape driver for locating one of a number of predetermined segments of a cassette tape, the device comprising a position code and each predetermined tape. A large number of code bands attached to the back surface of the segment, a code detecting means for detecting a position code provided on the code band, and generating a first code signal in accordance with the detected position code, and operable by a user And selecting means for generating a second code signal according to the user's selection. The user selects the predetermined desired segment in the cassette tape by using the selecting means. A tape band which starts winding the tape by generating a second code signal and passes through the code detecting means. Therefore, each time the first code signal is generated, the generated first code signal is compared with the second code signal, and when it is determined that the first code signal matches the second code signal, the cassette tape is wound. A device for selecting a predetermined portion of a video cassette tape, characterized in that the removal is stopped.