JPS6278794A - Magnetic recording and reproducing device - Google Patents

Abstract

PURPOSE:To shorten the searching time by storing the tape drive position when a silent part detecting signal is supplied to a system control means during reproduction to set a rewind mode and then a reproduction mode is reset when the tape drive position is coincident with the stored tape drive position. CONSTITUTION:In a VTR reproduction mode an inter-music silent part is run and a silent part detecting signal 21 is supplied to a system control means 1 from a silent part detecting means 2. In such a case, a tape drive position memory means 6 stores a count value 56 given from a tape drive position detecting means 5. Then a repeat command is supplied to the means 1 from a repeat command generating part 3. Thus a mechanism 4 is controlled to set a rewind mode. Then a coincidence signal 71 is supplied to the means 1 from a tape drive position comparing means 7 when coincidence is secured between the value 56 and the tape count value stored in the means 6. Then the mechanism 4 is controlled to reset a reproduction mode. Thus a tape can be reset to the head of the music that is played presently in a high-speed rewind mode. This can shorten the searching time.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a magnetic recording/reproducing device such as a video cheap recorder.

2. Description of the Related Art In recent years, there has been an increasing demand for an automatic music selection function in magnetic recording and reproducing devices.

Hereinafter, a video tape recorder (
Hereinafter, a conventional example of the VTR (hereinafter abbreviated as VTR) will be explained.

FIG. 3 is a block diagram of a portion of a conventional VTR relating to repeat playback. In FIG. 3, 1 is a system control means for controlling the component Glock of the VTR, 2 is a silent part detection means for detecting a silent part between songs recorded during tape playback, and 3 is currently being played. 4 is a VT which generates a command to play back the song from the beginning of the screen again.
In the R tape running mechanism, 21 is a silent part detection signal output when the silent part detecting means detects a silent part between songs.

Regarding the conventional VTRK configured as described above, the following is as follows.
The operation will be explained according to the flowchart in FIG.

First, when the VTR is playing a certain song on a tape, the system control means 1 constantly monitors whether a repeat command has been input from the repeat command generating section 3, and if no repeat command has been input, it directly monitors the input of the repeat command. Continue to do so. When a repeat command is input, the system control means 1 controls the mechanism 4 to put the VTR in a rewind playback mode, and monitors whether a silence detection signal 21 is input from the silence detection means 2. When the silent part detection signal 21 is input,
That is, when the tenib returns to the beginning of the song, the system control means 1
controls mechanism 4 to return to regeneration mode.

Problems to be Solved by the Invention However, with the above configuration, silent section detection is possible only in the playback state, so in order to return the tape to the beginning of the song, it must be done in the rewind playback mode, but in general In the rewind playback mode, the tape running speed is slower than in the rewind mode, which simply winds the tape, and when the playing time of one song is long, it takes time to return to the beginning of the song (hereinafter abbreviated as search time). The problem was that the length of the process was long.

In view of the above-mentioned problems, the present invention provides a magnetic recording/reproducing apparatus in which the search time is shortened by setting the mode for returning to the beginning of a song to be a rewind mode.

Means for Solving the Problems In order to solve the above-mentioned problems, the magnetic recording and reproducing apparatus of the present invention has a structure comprising a silent portion detection means, a tape running position detection means, and a tape running position storage means. .

According to the above-described structure, when the silent section detection signal is input to the system control means during playback, the system control means gives a command to the tape running position storage means to memorize the tape running position at this time. When a repeat command is input, the mechanism is controlled to put the tape into rewind mode, and when the tape running position matches the previously memorized tape running position at the time of silent section detection, the tape is put into playback mode again. You can go back to the beginning of the song faster than when you rewind.

EXAMPLES Hereinafter, examples of the present invention will be described with reference to the drawings.

FIG. 1 shows a block diagram of a portion related to repeat playback in an embodiment of the present invention. Components that are the same as those in the conventional example shown in FIG. 3 are given the same numbers, and their explanations will be omitted here. Reference numeral 5 denotes a tape running position detecting means (hereinafter abbreviated as tape tank), which detects which position in front or behind the tape is running relative to any point on the tape, and outputs an Iri to the outside.
A numerical value cake 56 is output (hereinafter, this numerical value will be referred to as a table kakunta value). Reference numeral 6 denotes tape running position storage means for storing tape kakunk values, hereinafter referred to as kakunk memory. 7 compares the tape count value with the value stored in the kakunta memory, and when they match, a match signal 71 is generated.
This is a tape running position comparison means that outputs the following.

The operation of the repeat playback part of the VTR according to this embodiment configured as described above will be explained below using FIGS. 1 and 2. FIG. 2 is similar to that shown in FIG. 1. It is a flowchart explaining the operation of this embodiment. First, when the VTR is in the reproduction mode, when the VTR runs through a silent section between songs, a silent section detection signal 21 is inputted from the silent section detection means 2 to the system control means 1. In response to this, the system control means 1 sends a command to the kakunta memory 6 to store the table kakunta value, and the kakunta memory 6 stores the table kakunku value 56 inputted from the table kakunta 5. Thereafter, when the playback mode continues, in the case of a tape in which many songs have silent parts between them, the silent part detection signal 21 is inputted to the system control means one after another, but each time the tape kakunta value is Repeat memories.

Next, when the repeat command is inputted to the system control means 1, the repeat command generating section 3 controls the mechanism 4,
Enter rewind mode. During the rewind mode, when the tape kakunta value 56 and the tape kakunta value stored in the kakunta memory match, a match signal 7 is sent from the tape running position comparing means 7.
1 is input to the system control means 1, which controls the mechanism 4 to put it into regeneration mode again.

As described above, according to this embodiment, the tape kakunta 5 detects the entire tape running position, the kakunta memory 6 stores the tape kakunta value 56 when detecting a silent section, and the current kakunku value 56 and the kakunku memory 6 are stored in the tape kakunta value 56 during the rewind mode. By providing the tape running position comparison means 7 which compares the stored tape kakunta value at the time of detecting a silent part and inputs a coincidence signal 71 to the system control means 1 when they match, the operation of returning the tape to the beginning of the song can be performed. Since it is not necessary to detect silent parts while rewinding, it can be performed in rewind mode, so rewinding can be done in a short time.

Effects of the Invention As described above, according to the present invention, the operation of rewinding the tape to the beginning of the song being played for repeat playback can be performed in a high-speed rewind mode, so the rewinding time can be shortened. effect can be obtained.

[Brief explanation of drawings]

Fig. 1 is a schematic diagram of the main part of the embodiment of the present invention, Fig. 2 is a flowchart of the operation according to the configuration of Fig. 1, and Fig. 3 is a block diagram of the part concerned with repeat playback of a conventional magnetic recording/reproducing device. 4 is a flowchart of the conventional example 00 shown in FIG. DESCRIPTION OF SYMBOLS 1...System control means, 2...Silent part detection time stage, 4...Mechanism, 5...
・Tape running position detection means, 6... Tape running position storage means, 7... Tape running position comparison means Name of attorney: Patent attorney Toshio Nakao and 1 other person 1st
Figure 2

Claims (1)

[Claims] a silent part detecting means for detecting a silent part by playing back a recorded tape and detecting a detection signal to the system control means; a tape running position detecting means for detecting a running position of the tape and outputting it to the outside as numerical data; A tape running position storage means stores the numerical data according to a command from the system control means and outputs the stored contents to the outside, and compares the numerical data with the stored contents, and when they match, 1. A magnetic recording and reproducing apparatus comprising: tape running position comparing means for outputting a coincidence signal as a system control signal.