JPS6113293B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a tape recorder, known for example as a dictation machine.

Conventionally, some tape recorders have been used as dictation machines.

In order to be able to perform all operations with one hand, such a tape recorder is equipped with a recording operation member, such as a recording button 2, which can be operated with the index finger, on the side of the tape recorder main body 1, as shown in FIGS. 1a and 1b, for example.
and other operating members, such as operating buttons 3, which enable switching between PLAY, STOP and REW with the thumb. When recording, first press down the record button 2 and then slide the operation button 3 to the PLAY side. To cancel this, slide the operation button 3 to the STOP side to return the record button 2, and then PLAY operation button 3
Playback is performed by sliding the screen to the side.

However, with this method, if the device is used, for example, with a dictation machine, where the user records for a short time, then stops, and in this state collects the next idea and records again, the user must press the record button 2 every time the recording is made.
It is extremely inconvenient to have to press the button again.

Therefore, we came up with a system that prevents the recording button 2 from returning even when the operation button 3 is operated to the STOP side, so that the optimal dictation machine can record and stop repeatedly just by operating the operation button 3. It is being

However, with this configuration, even if the operation button 3 is moved to the STOP position, the recording button 2 does not return, so in order to listen back to the recorded content, the operation button 3 is pressed.
If you operated it to the REW side and then to the PLAY side, there was a risk that the tape contents would be erased.

Additionally, if you accidentally remove the cassette and replace it with another one when you are in the so-called recording standby state where the operation button 3 is set to the STOP position without returning the record button 2, in this state you can only operate the operation button 3. , the system suddenly enters the recording state, which may lead to erroneous recording, which may cause unnecessary anxiety to the user.

This invention was made in view of the above circumstances,
By returning the recording operation member in conjunction with the operation of other operation members to the rewind side, it is possible to eliminate the above-mentioned inconvenience of accidentally erasing the tape contents, and even when the cassette is removed in the recording standby state, the recording operation member An object of the present invention is to provide a tape recorder capable of forcibly returning the data to prevent erroneous recording.

An embodiment of the present invention will be described below with reference to the drawings. FIGS. 2a and 2b show an operating mechanism housed in the tape recorder described in FIG. 1. In the figure, reference numeral 11 denotes the recording lever to which the recording operation member described above, that is, the recording button 2 is attached, and this lever 1
1 has long holes 12 ₁ and 12 ₂ formed on the plate surface,
Pins 13 ₁ and 13 ₂ installed in the chassis (not shown) are inserted into these long holes 12 ₁ and 12 ₂ ,
It is movable in the direction in which the recording button 2 is pressed. In this case, the recording lever 11 is always biased by the spring 14 in the upward direction, that is, in the return direction.
The lever 11 also has a locking pawl 11a integrally formed on its side edge.

Reference numeral 15 denotes a locking member for locking the recording lever 11 in the recording state, such as an L-shaped locking lever, and one end of the lever 15 is rotatably supported on a shaft 16 installed in the chassis. Also, this lever 15
is biased forward in a counterclockwise direction by a spring 17, and enables the locking pawl 11a of the recording lever 11 to be locked by the stepped portion 15a.

A cassette presence/absence detection member, such as a detection lever 18, is rotatably attached to the shaft 16. This lever 1
8 is always biased clockwise by a spring 19. Further, the detection lever 18 has a detection piece ₁₈₁ formed at one end thereof, which projects into the loading chamber of the cassette tape 21. This detection piece ₁₈₁ is for detecting the presence or absence of the cassette tape 21 in the tape loading chamber, and presses the back of the cassette tape 21 by the biasing force of the spring 19. In this case, FIG. 2a shows the state in which the cassette tape 21 is set,
Therefore, the detection lever 18 is rotating counterclockwise against the biasing force of the spring 19. Furthermore, detection lever 1
Reference numeral 8 is provided with an upright portion ₁₈₂ for restricting the counterclockwise rotation of the locking lever 15, so that the recording lever 11 is locked by the locking lever 15 by the rotational force of the lever 18 when the cassette tape 21 is taken out. I'm trying to cancel it. In this case, the biasing force of spring 19 must be greater than that of spring 14.

On the other hand, 22 is an operating lever to which the other operating member, that is, the operating button 3 described above is attached.
2 has long holes 23 ₁ and 23 ₂ formed on the plate surface,
Pins 24 ₁ and 24 ₂ installed in the chassis (not shown) are inserted into these long holes 23 ₁ and 23 ₂ ,
It is made movable in the sliding direction of the operation button 3. This operating lever 22 has a PLAY/
A click groove 25 corresponding to STOP/REW is formed, and the click roller 28 of the click lever 27 biased counterclockwise by a spring 26 allows the click groove 25 to be clicked into any position of the groove 25. In this case, FIG. 2a shows that the operating lever 22 is
This shows the state set at the STOP position. As seen, this operating lever 22 is provided with a recording head 29, an erasing head 30, and a pinch roller 31, and when the operating lever 22 is set to the PLAY position, the recording head 29, erasing head 30, and pinch roller 31 are respectively moved to the cassette tape 21. It is made to come into contact with the tape play surface.

A pin 32 is installed as a release member on the plate surface of the operating lever 22. This pin 32 is the operating lever 2
When 2 is set to the REW position, the locking lever 1
5 in the clockwise direction against the biasing force of the spring 17 to release the locking of the recording lever 11 by the locking lever 15.

In addition, 33 in the figure is a rewind lever, and the operating lever 2
2 is set at the REW position, the operating lever 22 is pressed and operated to rewind the tape.

However, in such a configuration, the second
When the cassette tape 21 is loaded into the cassette loading chamber as shown in Figure a, the cassette tape 21
The detection piece ₁₈₁ is pushed at the end of the detection lever 18, and the detection lever 18 rotates counterclockwise against the spring 19. Further, due to the counterclockwise rotation of the detection lever 18, the locking lever 15 also springs 1 until it comes into contact with the upright portion ₁₈₂ .
It rotates counterclockwise due to the biasing force of 7.

In this state, the recording button 2 is pressed and the lever 11
When the lever moves in the downward direction, the locking pawl 11a is locked to the stepped portion 15a of the locking lever 15. Therefore, if the operation button 3 is slid toward the PLAY side from this state, the recording state will be entered, and if the operation button 3 is slid toward the STOP side, the recording will be stopped. In this case, operation button 3
Even if you return the switch from PLAY to STOP, the recording lever 11
Since it remains locked to the locking lever 15, the optimal recording and stopping of the dictation machine can be repeated only by operating the operation button 3.

Next, in order to rewind the tape in order to reproduce the contents of the tape recording, the operator slides the operation button 3 toward the REW side. Then, as shown in FIG.
It rotates clockwise against the biasing force of. Therefore, when the recording button 2 remains set in the recording state, the recording lever 11 is unlocked and returned to its original state. Further, the rewind lever 33 is pushed at the end of the operating lever 22 to bring the tape into the rewind state.

After rewinding the tape to the required point, sliding the operation button 3 toward the STOP side will stop rewinding, and then sliding the operation button toward the PLAY side will allow the recorded content to be played back.

On the other hand, if the recording lever 11 is locked to the locking lever 15 and the operation button 3 is slid to the STOP side to stop recording, that is, to enter the recording standby state, if the cassette tape 21 is removed by mistake, the detection lever 18 is rotated clockwise and the locking lever 15 is forcibly rotated clockwise, so that the recording lever 11 is unlocked and returned to its original position. Thereby, when another cassette tape is subsequently set, it is possible to prevent the recording state from suddenly entering the recording state simply by operating the operation button 3, and to eliminate the possibility of erroneous recording.

However, according to this invention, the operation button
The record button can be restored in conjunction with the operation on the REW side, so if you operate the operation button on the REW side to listen back to the recorded content and then on the PLAY side, the contents of the tape will be erased. It is possible to reliably eliminate inconveniences such as

In addition, when there is no cassette tape, the locking lever does not lock the recording state.
Even if you accidentally remove a cassette tape while in recording standby mode, this state can be canceled, and this eliminates the risk of sudden recording errors just by pressing the operation button when you subsequently load a tape in another cassette. , you can eliminate unnecessary anxiety caused by the things you use.

Further, in this invention, since the locking lever is directly engaged with the release member and the cassette presence/absence detecting member, there is an advantage that the structure can be made compact.

It should be noted that the present invention is not limited to the above-mentioned embodiments, but can be implemented with appropriate modifications without changing the gist.

[Brief explanation of the drawing]

Figures 1a and 1b show a general tape recorder used, for example, as a dictation machine, where a is a front view and b
2 is a side view, and FIGS. 2a and 2b show essential parts of an embodiment of the present invention.
b is a schematic configuration diagram showing the tape rewinding time. 1 is the tape recorder body, 2...record button, 3
...Operation button, 11...Recording lever, 12 ₁ , 12
₂ , 23 ₁ , 23 ₂ ... long hole, 13 ₁ , 13 ₂ , 2
4 ₁ , 24 ₂ ...Pin, 14, 17, 19, 26...
Spring, 15... Locking lever, 16... Shaft, 18... Detection lever, 18 ₁ ... Detection piece, 18 ₂ ... Standing part, 22
...operation lever, 25...click groove, 27...click lever, 28...click roller, 29...recording head, 30...erasing head, 31...pinch roller,
32...pin, 33...rewind lever.

Claims (1)

[Claims] 1. A locking member that enables the recording operation member to be locked in the recording state in a device that allows recording and recording standby to be repeated by switching other operation members while the recording operation member is locked in the recording state; a release member provided on the other operating member and driving the locking member by engaging with the locking member during a rewind operation to release the lock in the recording state; and a cassette presence/absence detection member that engages with the locking member to drive the locking member and release the lock in the recording state when the tape is removed from the tape recorder. recorder.