JPH0633542Y2 - Magnetic recording / playback device - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention provides a playback deck (P) having at least a playback function.
Recording / playback deck (R /
P deck) and is generally referred to as a double deck.

[Technical background of the invention]

In some devices of this type, the P deck has a music selection function of detecting a signalless portion (between music) between music and selecting music. In the music selection method, it takes time to detect the intervals between songs, and since there is an overrun of the tape from the detection of the intervals between songs to the stop of the tape, a signalless portion of a predetermined length is always provided at the beginning of the songs. Therefore, recently, the P deck has also been provided with a function called pinpoint queuing in order to bring out the beginning of the song more finely.

Conventionally, there has been one shown in FIG. 4 as an example of this type of device.

In the figure, 1 is a playback head of a P deck, 2 is a playback EQ amplifier for equalizing and amplifying the playback signal from the playback head 1, 3 is a noise reduction circuit on the playback side, 4 is a line input terminal, 5 is an input volume, and 6 is a buffer. Amplifier, 7 is a mixing amplifier, 8 is a line output terminal, 9 is a recording side noise reduction circuit,
10 is a recording amplifier, 11 is an R / P deck recording / reproducing head, 12 is a reproduction EQ amplifier that equivalently amplifies a reproduction signal from the recording / reproducing head 11, 13 is a bias oscillation circuit, 14 is a track interval detection circuit, and 15 is P
Deck reel motor, 16 is reel motor control circuit, 17
Is a P deck capstan motor, 18 is a reel motor 15
A transistor for switching the voltage applied to the transistor 19 is a control unit.

The control unit 19 has R / P deck operation switches S ₁ ...
The operation of S ₇ and P deck switch S ₈ to S ₁₄ is connected as an input means, and sends a signal to its output in response to operation of the switch S ₁ to S _14. In particular, the outputs A to G control the switches A to G having the same reference numerals to be turned on and off.

In the above switches S _{1 to} S ₁₄ , S ₁ and S ₈ are FF switches, S ₂ and S ₉ are REW switches, S ₃ and S ₁₀ are stop switches, S ₄ and S ₁₁ are PLAY switches, S ₅ is a REC switch. , S ₆
Is a pause switch, S ₇ is a REC mute switch, S ₁₂ is a pinpoint cueing (PC) switch, S ₁₃ is a song selection SET
The switch, S ₁₄ is a music selection detection (MS) switch.

By the way, in pinpoint queuing, switch S ₁₁ , MS switch S ₁₄ , and SET switch S ₁₃ are operated.
In response to this, the control unit 19 causes the reel motor control circuit to
16 and the music interval detection circuit 14 are controlled, and the music interval detection circuit 14 detects the break of the music from the reproduction output of the P deck, and inputs this to the control unit 19.

When the MS switch S ₁₄ is turned on, although not shown in the figure, the display driver incorporated in the inter-track detection circuit 14 operates to display that the music selection mode is set. At this time,
The FF and REW switches S ₈ and S ₉ function as cue and review switches, and their operation puts the mechanical unit in a high-speed running state to perform a track interval detection operation.

When the PC switch S ₁₂ is operated, the control unit 1
The 9 turns on the LED and blinks when pinpoint queuing operation is possible to indicate that it is in that state. When the LED is blinking, FF, REW switch S ₈ , S
_The control unit 19 functions as a queuing switch 9 for sending a tape by causing the reel motor control circuit 16 to generate pulses at predetermined intervals in response to the operation of the reel motor 15 to intermittently rotate the reel motor 15.

Furthermore, at this time, switch A is opened and
The transistor 18 switches to the same reel motor applied voltage value as in normal fast-forwarding.

Note that FIG. 5 shows a music number display 20 driven by a driver in the operation switch associated with the P deck and the music interval detection circuit 14.
And shows the layout.

In the above, when the P deck is in the stopped state, the PC
When the switch S ₁₂ is operated, will pinpoint queuing standby state, this is displayed by flashing the LED. Here, for example, when the REW switch S ₉ is operated, the reel motor 15 is intermittently rotated in the tape rewinding direction, and if there is a music, the reproduced sound can be confirmed by the reproduction signal from the line output terminal 8. Using the above operation, the cue can be performed by pinpoint queuing.

In the case of music selection interlaced by MS switches S _14, indicating that a music selection mode by displaying "0" to the number of songs display by the operation of the switch. In this mode, for example, to select a song that is two songs ahead of the current song, the SET switch S ₁₃ is turned on twice. Then, the display on the display changes to "2". Next, since the song is two songs ahead, when the FF switch S ₈ is operated, the tape runs at high speed, a countdown is performed every time the song interval is detected, and the tape is automatically played when the display becomes "0". Be started.

Next, a case will be described in which music selection and pinpoint queuing are continuously performed to find the beginning of a music. in this case,
First, operate the MS switch S ₁₄ and then the PC switch S ₁₂ . At this time, the LED is in a lighting state, then the FF or REW switches S ₈ and S ₉ are operated to perform the inter-track detection operation, and when the inter-track is detected thereafter, the LED changes to blinking, and the mechanical section The reel motor is stopped so as to maintain the head position after detecting the track interval.

After that, you will operate the switches S ₈ and S ₉ to perform pinpoint cueing. As the operating procedure, first operate the FF switch S ₈ to check the sound of the song, and then the REW switch S.
Operate ₉ to rewind, and stop the operation when there is a space between songs. When the reproducing operation is performed after the above operation, the reproduced sound is immediately output, and the pinpoint cuing is performed.

However, if you do not understand the contents of the above-mentioned operation method and mechanism well, for example, the procedure will be reversed and it will be difficult to find the beginning of the song, and you will play it there and check what kind of song it was. Will be done. After confirming the song, I operated the switches S ₈ and S ₉ in order to get the head out by doing some pinpoint cueing operation, and when I operated the switches S ₈ and S ₉ , the mechanism became a cue, a high-speed running state for review, Even roughly detecting the position of the song is wasted. This is a key to instruct the PC switch S ₁₂ to enter the pinpoint standby after detecting the track interval. In the case of normal song selection, the switch S ₁₂ does not play the part that is played after the song selection, but the pinpoint. This is because it is set to standby. Therefore, once the PLAY or stop switch is operated, there is no choice but to cancel the standby state and prepare for the next music selection.

In addition, after recording the music of the player, when recording the reproduced sound of the tape which has been cued in advance without gaps between the music, it is desirable to play back and confirm it after pinpoint cuing. In such a case, because of the above, it takes a long time to find the cue again, which causes a trouble that the music of the player ends.

In short, in the conventional device, one of the four operation modes is selected by the combination of the PC switch S ₁₂ and the MS switch S ₁₄ , and once the music is listened to, the pinpoint queuing operation state is set again. The operation is troublesome because the MS switch must be turned off in order to bring it back.

In order to eliminate this defect, the MS switch S ₁₄ is changed from the lock type to the non-lock type, and the MS state is released when the playback state is stopped.
It is conceivable to state the pin-point stand by operating the S _12. However, in the case of this method, it is effective for the first song selection, but when performing random song selection, the MS switch S ₁₄ must be newly operated each time the next song is selected. It causes a big defect.

[Purpose of device]

The present invention has been made in order to eliminate the above-mentioned drawbacks of the conventional ones, and a magnetic recording / reproducing apparatus which simplifies the operation related to the pinpoint queuing operation, improves the operation, and reduces the occurrence of erroneous operation. The purpose is to provide.

[Outline of device]

The operability is improved by switching the operation corresponding to the operation of the FF and REW switches related to the pinpoint queuing operation by the 3-position selection switch.

〔Example〕

 An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an electric circuit diagram showing an embodiment of the device according to the present invention, in which the same parts as those described above with reference to FIG. 4 are designated by the same reference numerals.

In FIG. 1, in place of the PC switch S ₁₂ and the MS switch S ₁₄ , a 3-position selection switch S ₁₅ is provided in the control unit 1.
It is identical to the circuit of FIG. 4 except that it is connected to 9.
The position of the switch S ₁₅ is an off position, the position is a general music selection position, and the position is a position where pinpoint queuing standby is performed after detecting a music interval. The switch may be of any type as long as it has three positions, but it is preferable that the layout is as shown in FIG. 2 and the configuration is intuitive and easy to see.

In the above configuration, the controller 19 performs the following control according to the position of the switch S ₁₅ .

First, when in the position, FF and REW switches
Forming a normal FF operation state according to the operation of the S _8, S _9. When in the position, FF and REW switches S ₈ and S ₉
The cue and review operations are performed in accordance with the operation of, and the reproduction operation state is formed after the music selection.

In the position, the LED is lit and the FF and REW switches
Performs cue, review operation according to the operation of the S _8, S _9, after the music selection forms a pinpoint queuing standby state, and displays the blinking LED that it is the state. The music selection operation in this position is the same as that in the position, and after setting the number of music by SET switch S _13, F
The music selection operation is performed by operating the F, REW switch S ₈ or S ₉ .

In this pinpoint standby state, to perform the regeneration operation before performing the cue confirms the song, and operates the stop switch S _10, to form a pinpoint standby state again, FF in this state, REW switch S By operating ₈ and S ₉ , the tape can be intermittently fed to the beginning.

Therefore, first record the player's song on the R / P deck,
Next, when recording the music of the tape reproduced on the P deck immediately after making no music interval, the PLAY switch S ₁₁ may be pressed to bring it into a reproduction state. When the no-signal portion at the end of the song is detected in the playback state, a pinpoint standby state is formed. In this state, if you operate the FF and REW switches S ₈ and S ₉ after operating the stop switch S ₁₀ , it will be in the cue and review state and will search for the song corresponding to the next selected song, and in the same way pinpoint standby It becomes a state. When the pinpoint standby state is changed to the playback state, the LED changes from blinking to lighting.

As is clear from the above operation, the pinpoint standby state cannot be formed with a single touch, but the cue is inherently subtle and it is an operation after a rough selection of music by an ordinary selection operation, so in reality it is not so much. Less often done with one touch. However, if you want to go directly to the pinpoint standby mode, operate FF, REW switch S ₈ or S ₉ and stop switch S ₁₀ at the same time with switch S ₁₅ set to the position, or switch S ₈ , By operating switch S ₁₀ after operating either S ₉ , it is possible to directly enter the pinpoint queuing standby state.

The operation described above is realized by the work performed by the microcomputer constituting the control unit 19 according to a predetermined program, and its flowchart is illustrated in FIG.

[Effect of device]

As described above, according to the present invention, depending on the position selected by the selection switch, the operation according to the operation of the FF and REW switches is limited, and the normal fast-forward operation state is formed, the cue and the review operation are performed, and the music selection is performed. Since the post-reproduction operation state is formed, or the cue and review operations are performed, and the pinpoint queuing standby state is formed after the selection of the music, the conventional FF and REW
Switch, pinpoint queuing (PC) switch,
The song selection SET switch and the song selection detection (MS) switch had to be performed by a complicated combination operation.
The operation can be easily performed by selecting the position by the selection switch, the operation is easy to understand, and the erroneous operation can be prevented.

Therefore, there is no loss of opportunity for recording due to time-consuming pinpoint cuing, and recording can be performed as desired, and the number of switches can be reduced to reduce costs, and the double deck with many buttons on the panel surface. As a result, many advantages can be obtained, including great design and structural merits on the panel surface.

[Brief description of drawings]

FIG. 1 is a circuit diagram showing an embodiment of the device according to the present invention, FIG. 2 is a diagram showing a layout of a part of the panel surface of the device according to the present invention, and FIG. 3 is a diagram showing the operation of the control section in FIG. FIG. 4 is an exemplary flowchart, FIG. 4 is a circuit diagram of a conventional device, and FIG. 5 is a diagram showing a layout of a part of a panel surface of the conventional device. S ₇ … FF switch, S ₉ … REW switch, S ₁₅ … selection switch, 19… control section.

Claims (1)

[Scope of utility model registration request] 1. A magnetic recording comprising a playback deck having at least a playback function and a recording / playback deck having a recording / playback function, the playback deck having a music selection function and a pinpoint queuing function of intermittently feeding a tape to the beginning. In the playback device, a position that forms a normal fast-forward operation state according to the operation of the FF, REW switch, and a cue according to the operation of the FF, REW,
The review operation is performed, and there are three positions: a position that creates a playback operation state after song selection and a position that forms a pinpoint queuing standby state after the song selection by performing cue and review operations according to the operation of the FF and REW switches. A selectable switch and a control section for selecting an operation according to the operation of the FF and REW switches according to the position of the selectable switch.