JPS6180621A - tape recorder - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Application for Writers The present invention has a plurality of tape running sections, and transmits the reproduced sound of a tape mounted on one tape running section to a tape mounted on another tape running section. This invention relates to a tape recorder capable of recording at multiple speeds.

Conventional Structure and Problems In general, a tape recorder that has a plurality of tape running sections and is capable of dubbing at a plurality of tape running speeds has a control circuit 51 of a speed control section 5, as shown in a block diagram in FIG. is input from the speed changeover switch 62, and when the speed is changed, the playback sound of the first tape loaded on the first tape running section 1 is immediately transferred to the second tape running section 2.
In order to record on the second tape 21 attached to the first
By operating the operation switch of the travel control section 3 and the operation switch of the second travel control section 4, immediately after the speed change, the first travel control section 3 is put into the "regeneration mode" and the second travel control section 3 is put into the "regeneration mode". It is possible to set the travel control unit 4 of the vehicle to the "recording mode".

In addition, the above speed is inputted to the control circuit 51 of the control section 5 from the speed changeover switch 52, and the tape running speed is set to "
By immediately operating the operation switch included in the first travel control section 3 or the operation switch included in the second travel control section 4 when switching from a mode other than "normal speed" to "normal speed". , the first travel control section 3 is
Alternatively, the 20th travel control section 4 can be set to the "playback mode" or the "recording mode."

Therefore, in the above configuration, the speed changeover switch 52 included in the speed control section 5 is connected to the foot roll circuit 6.
1 and switch the tape running speed, the first tape 11 attached to the first tape running section 1 (d, second tape running section 2
The second tape 21 attached to the second tape 21 may start running, and in this case, the sound quality and quality of the reproduced or recorded sound deteriorates.

OBJECTS OF THE INVENTION The present invention solves the above-mentioned conventional problems, and provides that when the tape running speed is switched during dubbing operation, the tape running section is switched to the 1 playback mode while the running speed remains stable. To provide a tape recorder which is prevented from going into ``recording mode'' over and over again.

Structure of the Invention The present invention is configured such that when the tape running speed is switched, the tape running control section does not enter the "playback mode" or the "recording mode" during a predetermined period of time until the running speed becomes constant. At the same time, if a command is input to the tape running control section to move to the "playback mode" or "recording mode" within the above predetermined time, the tape running section will automatically switch to the "playback mode" after the predetermined time has elapsed. Since it is configured to be in mode J 7 or "recording mode," it will not enter "playback mode" or "recording mode" when the tape running speed is unstable in 11, and the sound quality will be unstable. Or something very useful that never regenerates.

Description of examples An embodiment of the present invention will be described below.

FIG. 2 shows a block diagram of an embodiment of the present invention.

In FIG. 2, 1 is a first device having at least a playback function.
11 is a tape attached to the first tape running section 1, 2 is a second tape running section having at least a recording function, and 21 is the second tape running section. This is a recording tape attached to 2. The above components have the same functions as those in FIG. 1 and are designated by the same reference numerals.

6 is a control circuit 61, which will be described later. play switch 6
2. The first travel control section includes the first travel control section. One terminal of the play switch e2 is connected to the "H" voltage power supply, and 1. The other terminal is connected to the input terminal of control circuit 61.

Reference numeral 61 denotes a control circuit, which includes an output terminal for controlling the running of the first tape running section 1, a play input terminal for setting the first tape running section in the "play mode", and a predetermined time generating section to be described later. The configuration includes signal input terminals from 9.

7 is a control circuit 71, which will be described later. play switch 7
2. This is a second travel control section that includes a recording switch 73. 72 is a play switch, 73 is a rec switch, and one terminal of each is "H"
The other end is connected to the knee control circuit 710 input terminal. Reference numeral 71 denotes a control circuit, which includes an output terminal for controlling the running of the second tape running section 2, a play input terminal for setting the second tape running section to the "playback mode", and a "recording mode" input terminal for controlling the running of the second tape running section 2. '', and a signal input terminal from a predetermined time generating section 9, which will be described later.

8 is a control circuit 81, which will be described later. This is a speed control section configured to operate a speed changeover switch 82. Reference numeral 82 denotes a speed changeover switch, one terminal of which is connected to an IHJ voltage power source, and the other terminal connected to an input terminal of a control circuit 81, which will be described later. Reference numeral 81 denotes a control circuit, which includes an output terminal for controlling the tape running speed of the first tape running section 1 and the second tape running section 2 during dubbing, and the first tape running section 1.
It also includes a speed switching input terminal for switching a plurality of tape running speeds of the second tape running section 2 during dubbing, and a command output terminal to a predetermined time generating section 9, which will be described later.

Reference numeral 9 is a predetermined time start/E section, and when the tape running speeds of the first tape running section 1 and the second tape running section 2 during dubbing are switched, the speed switching f quotient' F,
It includes an input terminal that receives commands from the control circuit 81 included in V+ 8, and an output terminal that generates a pulse that becomes an "H" voltage for a predetermined period of time when the tape running speed is stabilized from the command input. It is composed of.

The operation of the tape recorder of this embodiment, which is constructed as described above, will be explained below.

The speed changeover switch 82 connected to the speed control section 8 is operated to switch between the first tape running section 1 and the second tape running section 2.
When the tape running speed is switched, the predetermined time generating section 9 indicates the predetermined time 'H' at which the tape running speed becomes stable.
A pulse is generated. Within the predetermined time l (, the reproduced sound of the tape 11 mounted on the first tape running section 1 is transmitted to the recording tape 2 mounted on the second tape running section 2.
1, operate the play switch included in the first tape running control section 6 and the play switch included in the second running control section 7 to set the first tape running section to "duplex mode". Even if you try to turn the second tape running section into a recording mode, the "playback mode" command from the control circuit 61 included in the first running control section to the tape running section 1 and the second running control section 7 The control circuit 71 included in the control circuit 1 does not output the "recording mode" command to the second tape running section 2, but after the predetermined time elapses, it is output, and the first tape running section 1 enters the "playback mode". , the second tape running section 2 shifts to the "recording mode".

In addition, in order to immediately put the first tape running section 1 into the "playback mode" when the tape running speed is switched from other than "normal speed" to "normal speed", the playback included in the first running control section 6 Even if the switch 62 is operated, the signal from the control circuit 61 to the first tape running section is set to 1 playback mode.
The command is not output within the predetermined time, but is output after the elapse of the predetermined time, and the first tape running section 1 shifts to the "playback mode".

As described above (--According to the non-implementation sequence, when switching the tape running speed, until the tape running speed becomes constant, that is, the predetermined time output from the predetermined time generator 9, the first tape running section 1 and second tape running section 2
Or, it is in ``playback mode'' 1 (because it does not go into ``recording mode'', there is no possibility of recording or playing back with unstable sound quality).

Further, according to the embodiment shown in FIG. 2, when the tape running speed is changed, a command to the "playback mode" or "recording mode" inputted to the leg of the running gun within the predetermined time that occurs is , is carried out after waiting for a predetermined period of time, so there is an advantage that there is no need for the troublesome operation of switching to "playback mode" or "recording mode" after a predetermined period of time has elapsed.

Furthermore, it is composed of a control circuit for the first travel control section, second travel control section, and speed control section, and a microcomputer that generates ftV for a predetermined time, so that the above-described operation can be obtained on the internal memory. It goes without saying that the constructed tape recorder is also included in the present invention. Effects of the Invention The present invention provides the following advantages: When the tape running speed is changed during dubbing, the tape recorder is fixed within a predetermined time period 1 when the tape running speed is constant. The tape running control unit is configured so that it does not go into playback mode or "0 sound mode," so playback or recording will not occur even when the tape running speed is unstable, preventing deterioration in sound quality. can. Furthermore, if a command to enter "playback mode" or "recording mode" is entered within the above-mentioned predetermined time, the mode will be automatically switched to the commanded mode after the above-mentioned predetermined time has elapsed, greatly improving operability. An excellent tape recorder can be realized.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a conventional tape recorder, and FIG. 2 is a block diagram of a tape recorder according to an embodiment of the present invention. 1...First tape running section, 2...Second tape running section, 11...First tape, 2
1...Second tape, 3.6...First tape
traveling control section, 4.7... second traveling control section,
31.41.61.71...control circuit,
32.42.62.72...Pushi Isuinochi, 43.73...Rex Inochi, 5.8...
・・Quick assistance control section, 61. 81...Control circuit, 52.82...Speed selection switch. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2

Claims (2)

[Claims] (1) A first tape running section having at least a playback function, a first running control section that controls running of the first tape running section, and reproducing a tape mounted on the first tape running section. a second tape running section having a function of recording sound; a second running control section controlling the running of the second tape running section; and a reproduction sound of the tape mounted on the first tape running section. The tape running speed when recording on the recording tape attached to the second tape running section is determined by the first tape running speed.
a speed control unit that simultaneously switches to a plurality of speeds in both the tape running unit and the second tape running unit, and the tape running speed of the first tape running unit and the second tape running unit is stabilized at the time of speed switching; a predetermined time generating section that measures a predetermined time until the predetermined time elapses, and when the tape running speeds of the first tape running section and the second tape running section are switched, the predetermined time generating section generates a predetermined time. During the time, the first tape running control section and the second tape running control section are in "playback mode" or "recording mode".
A tape recorder characterized in that it is configured such that it does not become (2) During the predetermined time generated from the predetermined time generating section, the first
When a command for "playback mode" or "recording mode" is input to the tape running control section or the second tape running control section, after the predetermined time generated from the predetermined time generating section has elapsed, the "playback mode" is activated. 2. The tape recorder according to claim 1, wherein the tape recorder is configured to switch to a recording mode.