JPH0648584Y2 - Tape recorder operating device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a tape recorder operating device.

When using a conventional tape recorder for an interview, for example, when trying to set the recording mode at the same time as the sound is generated, the recording head suddenly approaches and contacts the magnetic recording tape while the power is being supplied. In some cases, the sound generated at the start of recording cannot be properly reproduced at the time of reproduction.

That said, if you set the recording mode on the tape recorder before the sound is generated in order to prevent good playback of the sound being hindered by the occurrence of transit noise,
Not only is the unused portion of the magnetic recording tape wasted, it is wasteful, and the magnetic recording tape may be used up before the end of the interview.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a tape recorder operating device capable of using a magnetic recording tape without waste and preventing the occurrence of transit noise. .

A first embodiment of the present invention will be described below with reference to FIGS. 1 to 5.

FIG. 1 shows a slide type button 12 that slides along the outer surface of the housing 10 of the tape recorder to move its position relative to the outer surface.
The slide button 12 constitutes the first operation member in this invention.

The slide button 12 is provided with a push button 14 that is movable together with the slide button 12, and the push button 14 is a slide button.
By moving in a direction substantially orthogonal to the outer surface of the housing 10 of the tape recorder in 12, the position is moved relative to the outer surface, which constitutes the second operating member in this invention. .

The push button 14 includes one end of the first lever 16 extending in a direction substantially orthogonal to the outer surface of the housing 10 of the tape recorder, that is, the vertical direction in the drawing, and an upper end in the drawing. , Are connected so as to be movable in the vertical direction and swingable parallel to the paper surface. Such a connection is, for example, a long hole formed in one end of the first lever 16 and extending in the vertical direction, and a push button inserted through this long hole.
This is possible by the combination with the pin fixed to 14.

The other end of the first lever 16, that is, the lower end in the drawing, is also movable in the vertical direction with respect to a chassis (not shown) that is stored in the housing 10 of the tape recorder and is arranged parallel to the paper surface. And is connected so as to be swingable in parallel to the paper surface. Such a connection is made, for example, by a combination of an elongated hole 18 formed in the other end of the first lever 16 and extending in the vertical direction, and a fixing pin 20 inserted into the elongated hole 18 and fixed to a chassis (not shown). It is possible.

The first lever 16 is always biased upward by the biasing means 22 in the drawing.

Further, the other end surface of the first lever 16, that is, the lower end surface in the drawing, faces the erroneous erasure prevention lever 24 in the vertical direction.

The first lever 16 has a curved portion 26 that projects rightward in an intermediate region in the vertical direction.

In the range of the space surrounded by the curved portion 26, the second lever 28
Has one end fixed to a chassis (not shown) so as to be swingable in parallel to the paper surface. Second lever 28
The upper side surface of the other end of the second lever 28 is in contact with a fixing pin 30 fixed to a chassis (not shown), and faces the upper root portion of the curved portion 26 of the second lever 28. The lower side surface of the other end of the second lever 28 is in contact with an erasing head 32 mounted on a chassis (not shown) so as to be movable in the vertical direction in parallel with the paper surface from above. Erase Head
32 is biased upward by a biasing means 34, and the second lever 28 is biased clockwise in the figure by the biasing force of this biasing means 34.

In this embodiment, the erasing head 32 is made of a permanent magnet and is located above the magnetic recording tape 36 stored in the housing 10 of the tape recorder.
Separated from 36. The position of the erasing head 32 at this time is defined as the retracted position of the erasing head 32 (hereinafter referred to as "first position").

As shown in FIG. 1, the first lever 16 has first and second notches 38, 40 near the upper end and the lower end of the right side surface.

Further, as shown in FIG. 1, the slide-type button 12 includes a first tongue piece portion 42 extending vertically along the first lever 16 and a position from the right side of the first tongue piece portion 42 to the housing 10. It has a second tongue piece 44 extending to the right along the inner surface of the.

A hook lever 46 is rotatably attached to the first tongue portion 42 in a state parallel to the paper surface. The hook lever 46 has a hook 48 at the upper end portion on the left side surface, and the hook 48 is in contact with the right side surface of the first lever 16 immediately below the first cutout 38. The right side surface of the lower end of the hook lever 46 is a fixing pin fixed to a chassis not shown.
It is located to the left of 50 and is spaced from the fixed pin 50. The hook lever 46 is biased in the counterclockwise direction in the drawing by the biasing means 52.

A cutout 54 is formed on the lower side surface of the right end portion of the slide button 12. Further, below the lower side surface of the right side portion of the slide type button 12, a third lever 56 having a right end portion attached to a chassis (not shown) so as to extend in the left-right direction and be rotatable in a state parallel to the paper surface. Are arranged. A substantially triangular protrusion 58 is formed on the upper side surface of the third lever 56, and the left side surface of the protrusion 58 contacts the right end portion of the lower side surface of the second tongue piece 44 of the slide button 12. ing. Third lever 56
The upper side surface of the upper part is in contact with a fixing pin 60 fixed to a chassis (not shown). Further, the third lever 56 is biased in the clockwise direction in the drawing by the biasing means 62.

Below the second tongue piece 44 of the slide type button 12, a fourth lever which is attached to a chassis (not shown) so as to be rotatable in a state parallel to the paper surface and extends substantially in the left-right direction.
64 are arranged.

The right end portion of the fourth lever 64 is located below the left end portion of the third lever 56, and is arranged within the movement locus of the left end portion of the third lever 56. Further, a substantially triangular protrusion 66 is formed on the upper side surface of the left end portion of the fourth lever 64.
The right side surface of the second type tongue piece 44 faces the left end surface of the second tongue piece portion 44 of the slide button 12. The left end of the fourth lever 64 is attached to a recording / playback head (hereinafter referred to as “recording / playing head”) 68 mounted on a chassis (not shown) so as to be vertically movable in a state parallel to the paper surface. It is swingably connected. Such a connection is made by, for example, fixing the two pins 72, 74 on the support lever 70 of the recording / reproducing head 68 so as to be spaced apart from each other in the vertical direction, and to provide a fourth pin between the two pins 72, 74. This is possible by inserting the left end of the lever 64.

In this embodiment, the recording / playback head 68 is also a magnetic recording tape 36 stored in the housing 10 of the tape recorder.
Of the magnetic recording tape 36 and is separated from the magnetic recording tape 36. The position of the recording / reproducing head 68 at this time is defined as the retracted position of the recording / reproducing head 68 (hereinafter referred to as the “first position”).

The fourth lever 64 is biased in the clockwise direction in the drawing by the biasing means 76. Also the fourth lever 64
Has a branch portion 78 extending downward leftward on the lower side surface of the left end portion near the center of rotation.

The branch portion 78 of the fourth lever 64 extends in the vertical direction and is in contact with the right side surface of the upper end portion of the fifth lever 80 rotatably attached to a chassis (not shown) in a state parallel to the paper surface. .

The right side surface of the lower end portion of the fifth lever 80 is substantially V-shaped and is rotatably attached to a chassis (not shown) parallel to the paper surface on the left side of the right branch portion of the sixth lever 82. It is in contact with the surface.

The sixth lever 82 is biased in the counterclockwise direction by the biasing means 84, and the left branch portion is arranged below the second cutout 40 on the right side surface of the first lever 16. At this time, the left branch portion of the sixth lever 82 is located within the movement path of the second cutout 40 of the first lever 16 in the up-down direction.

Furthermore, the slide button 12 is a housing of the tape recorder.
The electric circuit (not shown) is connected to an electric switch (not shown) that is electrically connected to an electric circuit (not shown) that is housed in the recording / reproducing head 68 and the housing 10 of the tape recorder. Is electrically connected to. The electric motor (not shown) is connected to a capstan (not shown) housed in the housing 10 of the tape recorder and a reel shaft (not shown), and supplies a rotational driving force to them.

The push button 14 is also connected to an electric switch that is electrically connected to the electric circuit (not shown).

When the slide button 12 and the push button 14 are arranged at the positions shown in FIG. 1, the erasing head 32 is
The recording / reproducing head 68 is the first separated from the magnetic recording tape 36.
The magnetic recording tape 36 does not run, and the recording / reproducing head 68 does not function as a recording head or a reproducing head because the electric motor is not rotated. And the slide type button 12 and push button 14 at this time
The respective positions are the initial positions (hereinafter referred to as "first positions")
The tape recorder mode at this time is the stop mode.

In the above configuration, the first lever 16, the second lever 28, the first tongue piece 42, the second tongue piece 44, the hook lever
46, the hook 48, the third lever 56, the fourth lever 64, the support lever 70, the fifth lever 80, and the sixth lever 82 are components of the mode setting mechanism.

Next, the operation of the first embodiment configured as described above will be described.

When the tape cassette mounted on the reel shaft (not shown) of the tape recorder does not have the erroneous erasure prevention pawl, that is, when the erroneous erasure prevention pawl is bent or removed immediately, the tape cassette is placed at the first position. Even if the push button 14 is pressed, the lower end surface of the first lever 16 comes into contact with the erroneous erasure prevention lever 24 and the push button 14 cannot be moved downward from the first position. Therefore, since the upper root of the curved portion 26 of the first lever 16 does not contact the second lever 28, the erasing head 32 does not move downward from the first position shown in FIG. Do not touch.

Next, assuming that the tape cassette mounted on the reel shaft (not shown) of the tape recorder has an erroneous erasure prevention claw, the erroneous erasure prevention lever 24 moves to the right from the position shown in FIG. It moves out of the locus of upward movement of the lower end surface of 16.

In the following description, it is assumed that the tape cassette mounted on the reel shaft (not shown) of the tape recorder has the erroneous erasure prevention claw.

First, when the slide button 12 is moved to the left from the first position shown in FIG. 1, the first lever 16 tilts to the left with the fixed pin 20 as the swing center. However, the first lever 16
Since the root of the upper portion of the curved portion 26 does not contact the upper side surface of the second lever 28, the erasing head 32 does not move downward from the first position and does not contact the magnetic recording tape 36 as shown in FIG. .

At this time, the left end surface of the second tongue piece portion 44 of the slide type button 12 contacts the right side surface of the protrusion 66 of the fourth lever 64,
The fourth lever 64 rotates counterclockwise from the position shown in FIG. 1 against the biasing force of the biasing means 76, and the fourth lever 64 is rotated.
The recording and reproducing head 68 is moved downward from the first position shown in FIG. 1 by the left end portion of the magnetic recording tape as shown in FIG.
Touch 36.

At this time, the position of the recording / reproducing head 68 is the forward position (hereinafter referred to as the "second position"), and the position of the slide button 12 is the operating position (hereinafter referred to as the "second position").

When the slide button 12 is arranged in the second position as shown in FIG. 2, the electric circuit (not shown) described above rotates the electric motor (not shown) to rotate the reel shaft (not shown) and the capstan (not shown), and The recording tape 36 is run at a predetermined speed in a predetermined direction, to the right in this embodiment, and the recording / reproducing head 68 functions as a reproducing head.

Therefore, if the information is already recorded on the magnetic recording tape 36, this information is reproduced through the recording / reproducing head 68, for example, from a speaker (not shown) provided in the housing 10 of the tape recorder.

The mode of the tape recorder at this time is the reproduction mode.

Next, when the push button 14 is moved downward from the first position shown in FIG. 2 against the urging force of the urging means 22 when the tape recorder is set to the reproduction mode, the first lever 16 of the first lever 16 is moved. The base of the upper portion of the curved portion 26 presses the upper side surface of the second lever 28 and rotates the second lever 28 in the counterclockwise direction in the drawing. Accordingly, the erasing head 32 is moved downward from the first position shown in FIG. 2 against the urging force of the urging means 34 and comes into contact with the magnetic recording tape 36 as shown in FIG. At this time, the position of the erasing head 32 is the forward position (hereinafter referred to as "second position"), and the position of the push button 14 is the operating position (hereinafter referred to as "second position").

When the push button 14 is placed in the second position, the aforementioned electric circuit (not shown) causes the recording / reproducing head 68 to function as a recording head. Therefore, if a microphone is electrically connected to the above-mentioned electric circuit (not shown), information is recorded on the magnetic recording tape 36 running rightward in the drawing at a predetermined speed through the microphone and the recording / reproducing head 68. To record.

The mode of the tape recorder at this time is the recording mode.

Further, when the push button 14 is arranged in the second position, the hook 48 of the hook lever 46 of the slide type button 12 engages with the first notch 38 of the first lever 16 as shown in FIG. Even if the downward force applied to the button 14 is removed, the push button 14 does not return to the first position as shown in FIG. 1 due to the biasing force of the biasing means 22. At this time, the second notch 40 of the first lever 16 is located above the upper side surface of the left branch of the sixth lever 82, as shown in FIG.

Next, when the slide recorder 12 is moved from the second position shown in FIG. 3 to the first position shown in FIG. 1 when the recording mode is set in the tape recorder, the bending portion of the first lever 16 is moved.
Since the base of the upper portion of 26 is separated from the upper side surface of the second lever 28, the erasing head 32 is returned to the first position by the urging force of the urging means 34, and the second lever 28 is also moved upward. The side surface is rotated clockwise in the drawing until it abuts against the fixing pin 30 as shown in FIG.

Even when the slide button 12 returns to the first position, as shown in FIG. 4, the hook of the hook lever 46 of the slide button 12 is hooked.
Since 48 remains engaged in the first cutout 38 of the first lever 16, the first lever 16 and the push button 14 are held in the second position against the biasing force of the biasing means 22. .

Further, since the upper side surface of the left branch portion of the sixth lever 82 is in contact with the second cutout 40 of the first lever 16 of the push button 14 held in the second position as shown in FIG. , The right side surface of the upper end portion of the fifth lever 80, which contacts the right side surface of the lower end portion of the right branch portion of the sixth lever 16, is rotated clockwise by the urging force of the urging means 76. It abuts against the branch portion 78 of the fourth lever 64 that tries to rotate in the direction, and blocks the rotation of the fourth lever 64 in the clockwise direction. Therefore, the magnetic head 68
As shown in FIG. 4, it is still in contact with the magnetic recording tape 36. However, when the slide button 12 is returned to the first position, the above-mentioned electric circuit not shown is
The magnetic recording tape 36 is stopped by stopping the rotation of an electric motor (not shown).
Not only does it stop running, but neither recording / playback head 68 functions as a recording head or a playback head.

The mode of the tape recorder at this time is the standby mode.

When the slide-type button 12 is moved to the second position as shown in FIG. 3 when the tape recorder is set to the standby mode, the erasing head 32 comes into contact with the magnetic recording tape 36 again, so that the recording mode is set again. Can be set to. When transitioning from the standby mode to the recording mode, the recording / reproducing head 68 does not abruptly approach and contact the magnetic recording tape 36 as in the transition from the stop mode to the recording mode. Does not occur.

The standby mode as shown in FIG. 4 can also be transitioned from the stop mode as shown in FIG.

Immediately, when the tape recorder is set to the stop mode as shown in FIG. 1, the push button 14 is moved downward against the urging force of the urging means 22. The second notch 40 presses the upper surface of the left branch of the sixth lever 82,
The sixth lever 82 is rotated counterclockwise in the figure against the biasing force of the biasing means 84. The sixth lever 82 rotated counterclockwise rotates the fifth lever 80 clockwise, and the right side surface of the upper end of the fifth lever 80 rotated clockwise is the fourth lever 64. The branch portion 78 is pressed to rotate the fourth lever 64 counterclockwise against the biasing force of the biasing means 64. The fourth lever 64, which has been rotated counterclockwise, moves the erasing head 68 downward from the first position and places it in the second position in contact with the magnetic recording tape 36 as shown in FIG. Since the first lever 16 of the push button 14 arranged in the second position has the first cutout 38 engaged with the hook 48 of the hook lever 46 of the slide type button 12, the push button 14
Even if the pressing force applied to is removed, the push button 14 does not return to the first position due to the urging force of the urging means 22.

When the tape recorder is set to the standby mode, the left end surface of the second tongue piece 44 of the slide button 12 is
As shown in FIG. 4, the right end surface of the second tongue piece 44 is separated from the right side surface of the projection 66 of the fifth lever 64 to the right side, and the right end surface of the second tongue portion 44 is left side of the projection 58 of the third lever 56. It is in contact with the surface.
However, the third lever 56 does not rotate in the counterclockwise direction in the drawing from the position where the upper side surface is in contact with the fixing pin 60, against the urging force of the urging means 62, and the right end of the fourth lever 64 is The lower side surface of the left end portion is spaced upward from the upper side surface of the section.

To release the standby mode and set the tape recorder in the stop mode, the slide button 12 arranged at the first position is moved to the right in the drawing as shown in FIG. Then, the right side surface of the lower end portion of the hook lever 48 contacts the fixing pin 50, so that the hook lever 48 rotates in the clockwise direction in the drawing against the urging force of the urging means 52 to the first notch 38 of the first lever 16. Disengage the hook 48. Therefore, the first lever 16 is moved upward by the urging force of the urging means 22, and the push button 14 is returned from the second position to the first position. The right end surface of the second tongue piece of the slide button 12 that has moved to the right contacts the left side surface of the protrusion 58 of the third lever 56, and the urging force of the urging means 62 of the third lever 56. Counterclockwise in the drawing against. The lower side surface of the left end portion of the third lever 56 rotated counterclockwise contacts the upper side surface of the right end portion of the fourth lever 64. 4th at this time
The lever 64 of the sixth lever 82 is the second cutout 40 of the first lever 16 returned from the upper side surface of the left branch portion of the sixth lever 82 to the first position.
Are separated from each other in the upward direction, and the sixth lever 82 is in a rotatable state. Therefore, the sixth lever 82 rotates in the clockwise direction in the drawing with the help of the urging force of the urging means 76, and the recording / reproducing head 68
Is moved upward from the second position shown in FIG.
As shown in the figure, the recording / reproducing head 68 is separated from the magnetic recording tape 36 and is arranged at the first position.

In the slide type button 12 moved from the first position shown in FIG. 4 to the right side in the drawing, the notch 54 of the second tongue piece 44 has the projection 58 of the third lever 56 as shown in FIG. When engaged, it stops moving to the right.

Next, a second embodiment of the present invention will be described with reference to FIGS. 6 to 9.

FIG. 6 shows an operation button 102, which is a first operation member that moves a position relative to the outer surface of the housing 100 of the tape recorder by moving in a direction substantially orthogonal to the outer surface. Second operation button 1 which is the second operation member
04 is shown.

The first and second operation buttons 102 and 104 respectively include first and second levers 106 and 108 extending in a direction substantially orthogonal to the housing 100 of the tape recorder, that is, a vertical direction in the drawing. The upper end of each is fixed.

Each of the first and second levers 106, 108 is formed with a plurality of elongated holes 110 extending in the vertical direction, and each of these elongated holes 110 is housed in the housing 100 of the tape recorder. A fixing pin 112 (not shown) fixed to a chassis (not shown) is inserted. Therefore, each of the first and second levers 106 and 108 is movable in the vertical direction in the drawing in a state parallel to the paper surface.

A recording / reproducing head support pedestal 116 supporting a recording / reproducing head 114 is located in front of the front surface of the first lever 106. The recording / playing head support pedestal 116 is also formed with a plurality of elongated holes 118 extending in the vertical direction, and each of these elongated holes 118 is
The fixing pin 120 (not shown) fixed to the chassis (not shown) is inserted. Therefore, the recording / reproducing head support pedestal 116 is also movable in the vertical direction in the drawing in a state parallel to the paper surface.

First step portions 122 and 124 are formed on the left side surface of the first lever 106 and the right side surface of the second lever 108 in the vicinity of the respective upper ends thereof. They are arranged at substantially the same position in the direction.

The left end portion of the third lever 126 extending in the left-right direction is located immediately below the step portions 122, 124 of the first and second levers 106, 108, and the right end portion of the third lever 126 is the third end. The lever 126 is attached to the aforementioned chassis (not shown) so as to be swingable in a state parallel to the paper surface.
The third lever 126 is connected to the recording / reproducing head support pedestal 116, and the recording / reproducing head support pedestal 116 is moved in the vertical direction by swinging the third lever 126 in the vertical direction. Such a connection can be achieved, for example, by forming a long hole extending in the left-right direction in the recording / reproducing head support pedestal 116 and fixing a fixing pin inserted in the long hole to the third lever 126. .

Between the left side surface of the first lever 106 and the right side surface of the second lever 108, the right end portion of the fourth lever 128 extending in the left-right direction is located below the left end portion of the third lever 126. is doing. The left end of the fourth lever 128 is attached to the chassis (not shown) described above so that the fourth lever 128 can swing in a state parallel to the paper surface. An upper end of a swing lever 130 extending in the vertical direction is swingably connected to the right end of the fourth lever 128.

Second steps 132 and 134 are formed on the left side surface of the first lever 106 and the right side surface of the second lever 108, respectively, at a position above the lower end of the swing lever 130.

The lower end portion of the rocking lever 130 has first and second inclined surfaces 136 and 138 vertically facing the second step portions 132 and 134 of the first lever 106 and the second lever 108, respectively.

An erasing head support pedestal 142 supporting the erasing head 140 is arranged along the left side surface of the second lever 108. The erasing head support pedestal 142 has a plurality of elongated holes 1 extending vertically.
44 are formed, and the fixing pins 146 fixed to the above-mentioned chassis (not shown) are inserted into these long holes 144. Therefore, the erasing head support pedestal 142 is vertically movable in a state parallel to the paper surface. The erase head support pedestal 142 is connected to the fourth lever 128,
As the fourth lever 128 swings in the vertical direction, the erasing head support pedestal 142 moves in the vertical direction. Such a connection can be achieved, for example, by forming a long hole extending in the left-right direction in the erasing head support pedestal 142 and fixing a fixing pin inserted in the long hole to the fourth lever 128.

The recording / reproducing head 114 and the erasing head 140 shown in FIG. 6 are located above the magnetic recording tape 148 stored in the housing 100 of the tape recorder, and the magnetic recording tape 148 is provided.
Away from. The positions of the recording / reproducing head 114 and the erasing head 140 at this time are defined as the retracted positions of the recording / reproducing head 114 and the erasing head 140 (hereinafter referred to as “first position”).

In this embodiment, the erasing head 140 is composed of a permanent magnet.

The first lever 106 is connected to an electric switch 150 that is electrically connected to an electric circuit (not shown) stored in the housing 100 of the tape recorder, and the electric circuit (not shown) includes a recording / reproducing head 114 and a tape. It is electrically connected to an electric motor (not shown) housed in the housing 100 of the recorder. The electric motor (not shown) is connected to a capstan (not shown) housed in the housing 10 of the tape recorder and a reel shaft (not shown), and supplies a rotational driving force to them.

The fourth lever 128 is also connected to the electric switch 152 which is electrically connected to the electric circuit (not shown).

The first and second push buttons 102, 104 are located at the positions shown in FIG.
As shown in the figure, the erase head
The 140 and the recording / reproducing head 114 are arranged at a first position separated from the magnetic recording tape 148, and the electric motor (not shown) does not rotate, so the magnetic recording tape 148 does not run, and the recording / reproducing head 114 also records. Does not function as a head or reclaim head. The positions of the first and second push buttons 102 and 104 at this time are set to their respective initial positions (hereinafter referred to as "first positions"), and the mode of the tape recorder at this time is a stop mode.

In this embodiment, the first and second operation buttons 102, 104
Are biased to the first position by biasing means (not shown), and the third and fourth levers 126 and 128 are also rotated upward in the drawing by biasing means (not shown). Is urged to do so.

In the above structure, the first lever 106, the second lever 108, the third lever 126, the fourth lever 128, the swing lever 130, and the electric switches 150 and 152 are components of the mode setting mechanism. ing.

Next, the operation of the second embodiment configured as described above will be described.

First, when the first operation button 102 is moved downward from the first position shown in FIG. 6 against the biasing force of the biasing means (not shown), the first step portion 122 of the first lever 106 is moved. Contacts the left end of the third lever 126 to rotate the third lever 126 in the counterclockwise direction in the drawing. The third lever 126 rotated counterclockwise moves the recording / reproducing head support pedestal 116 together with the recording / reproducing head 114 downward in the figure, and contacts the recording / reproducing head 114 with the magnetic recording tape 148 as shown in FIG. Let At this time, the positions of the recording / reproducing head 114 and the first operation button 102 are set to the forward position of the recording / reproducing head 114 (hereinafter referred to as “second position”
And the forward position of the first operation button 102 (hereinafter referred to as “second
Position)).

The second step portion 132 of the first lever 106 of the first operation button 102, which has moved downward from the first position shown in FIG. 6, comes into contact with the first inclined surface 136 of the swing lever 130. However, since there is a gap between the left side surface of the lower end of the rocking lever 130 and the portion of the right side surface of the second lever 108 below the second step portion 134, the rocking lever 130 moves to the left side. The second step portion 132 of the first lever 106 and the first inclined surface 136 are not engaged with each other, and the first step portion 122 between the first step portion 122 and the second step portion 132 is not engaged. As shown in FIG. 7, the area of the left side surface of the lever 106 is slidably contacted.

When the first operation button 102 is arranged in the second position as shown in FIG. 7, the electric switch 150 sends an electric signal to the electric circuit (not shown) described above to rotate the electric motor (not shown) described above. The reel shaft and the capstan are rotated to run the magnetic recording tape 148 at a predetermined speed in a predetermined direction, to the right in this embodiment, and the recording / reproducing head 114 functions as a reproducing head.

Therefore, if the information is already recorded on the magnetic recording tape 148, this information is reproduced through the recording / reproducing head 114, for example, from a speaker (not shown) provided in the housing 100 of the tape recorder.

The mode of the tape recorder at this time is the reproduction mode.

Also, as shown in FIG. 7, the first position is set at the second position.
The first lever 106 of the operation button 102 of FIG. 2 is held in the second position by the temporary locking means (not shown) housed in the housing 100 of the tape recorder. Even if the applied pressing force is removed, the first lever 106 is held at the second position as shown in FIG. 7 against the biasing force of the biasing means (not shown).

Next, when the stop mode is set in the tape recorder as shown in FIG. 6, the second operation button 104 is moved downward from the first position shown in FIG. 6 against the biasing force of the biasing means (not shown). When moved, the first step portion 124 of the second lever 108 abuts the left end portion of the third lever 126 to rotate the third lever 126 in the counterclockwise direction in the drawing. The third lever 126 rotated counterclockwise moves the recording / reproducing head support pedestal 116 together with the recording / reproducing head 114 to the lower side in the figure, and contacts the recording / reproducing head 114 with the magnetic recording tape 148 as shown in FIG. Let At this time, the position of the recording / reproducing head 114 is the forward position (hereinafter referred to as the “second position”), and the position of the second operation button 104 is the operating position (hereinafter referred to as the “second position”).

The second step portion 134 of the second lever 108 of the second operation button 104, which has moved downward from the first position shown in FIG. 6, comes into contact with the second inclined surface 138 of the swing lever 130. However, since there is a gap between the right side surface of the lower end portion of the swing lever 130 and the portion of the left side surface of the first lever 106 below the second step portion 132, the swing lever 130 moves to the right side. The second step portion 134 of the second lever 108 and the second inclined surface 138 are not engaged, and the second step portion between the first step portion 124 and the second step portion 134 is not engaged. As shown in FIG. 8, the area of the right side surface of the lever 108 is slidably contacted.

When the second operation button 104 is arranged in the second position as shown in FIG. 8, the recording / reproducing head 114 is only arranged in the second position, and the first operation button 102 has the second position. The first lever 106 and the third lever 128 do not move from the positions shown in FIG. Therefore, since the electric switch 150 does not rotate the electric motor (not shown) described above by the electric circuit (not shown) described above, the magnetic recording tape 148 does not run. Also recording and playback head 1
The 14 does not function as either a recording head or a playback head.

The mode of the tape recorder at this time is the standby mode.

Also, as shown in FIG. 8, the second position is set at the second position.
The second lever 108 of the operation button 104 is held at the second position by a temporary locking means (not shown) housed in the housing 100 of the tape recorder, so that the second operation button
Even if the pressing force applied to 104 is removed, the second lever 108
Is held at the second position as shown in FIG. 8 against the biasing force of the biasing means (not shown).

When the first and second operation buttons 102 and 104 are simultaneously moved downward from the first position shown in FIG. 6 against the above-mentioned urging means (not shown) when the tape recorder is set to the stop mode, First step portion 1 of the first and second levers 106 and 108
22,124 presses the left end portion of the third lever 126 to rotate the third lever 126 in the counterclockwise direction in the figure against the urging force of the above-mentioned urging means (not shown). The first and second levers 106 and 108 arranged at the second position in contact with the recording tape 148 are also arranged at the second position.

At the same time, the second step 1 of the first and second levers 106 and 108
32 and 134 are the first and second inclined surfaces 136 and 138 of the swing lever 130.
And the rocking lever 130 also contacts the first and second
The rocking lever 130 that moves downward in the figure together with the levers 106 and 108 of FIG. 6 rotates the fourth lever 128 in the clockwise direction in the figure against the biasing force of the biasing means (not shown). Further, the fourth lever 128 rotated clockwise moves the erasing head support pedestal 142 together with the erasing head 140 downward from the first position shown in FIG. 6, and as shown in FIG. The erase head 140 is brought into contact with. The position of the erase head 140 at this time is the second position of the erase head 140.

An electric switch 1 which is interlocked with a third lever 128 when placed in the second position of the erase head 140 as shown in FIG.
52 sends an electric signal to the electric circuit (not shown) described above,
The recording / playback head 114 functions as a recording head. Therefore, if a microphone is electrically connected to the above-mentioned electric circuit (not shown), information is recorded on the magnetic recording tape 148 running at a predetermined speed to the right in the drawing through the microphone and the recording / reproducing head 114. To record.

The mode of the tape recorder at this time is the recording mode.

However, when the recording mode is switched to the recording mode from the stop mode, the recording / reproducing head 114, which functions as a recording head, abruptly approaches and contacts the magnetic recording tape 148, so that transition noise is generated at the beginning of recording.

Each of the first and second levers 106 and 108 held in the second position against the biasing force of the biasing means (not shown) by the temporary locking means (not shown) is the housing 100 of the tape recorder. By pressing a stop button (not shown) provided at the first position, the holding by the above-mentioned temporary locking means (not shown) at the second position is released.
And the second levers 106 and 108 are the first and second operation buttons 102 and 1.
It is possible to return to the first position shown in FIG. 6 by the urging force of the above-mentioned urging means not shown together with 04.

Next, when the first operation button 102 is moved to the second position as shown in FIG. 7 when the tape recorder is set to the standby mode, the second step portion 132 of the first lever 106 swings. It abuts the first inclined surface 136 of the lever 130. At this time, the left side surface of the lower end portion of the swing lever 130 is the first step portion 124 and the second step portion.
Since it is in contact with the right side surface of the second lever 108 with respect to 134, the swing lever 130 cannot swing. Accordingly, the second step portion 132 of the first lever 106 has the first inclined surface 13
The oscillating lever 130 that is in contact with 6 moves downward in the drawing to rotate the third lever 128 in the clockwise direction in the drawing against the urging force of the urging means (not shown). The third lever 128, which is rotated clockwise, moves the erasing head support pedestal 142 together with the erasing head 140 downward in the drawing, and brings the erasing head 140 into contact with the magnetic recording tape 148 as shown in FIG. The position of the erase head 140 at this time is the second position of the erase head 140.

An electric switch 1 which is interlocked with a third lever 128 when the erase head 140 is in the second position as shown in FIG.
52 sends an electric signal to the electric circuit (not shown) described above,
The recording / playback head 114 functions as a recording head. Therefore, if a microphone is electrically connected to the above-mentioned electric circuit (not shown), information is recorded on the magnetic recording tape 148 running at a predetermined speed to the right in the drawing through the microphone and the recording / reproducing head 114. To record.

The mode of the tape recorder at this time is the recording mode.

If the standby mode is set in advance for the tape recorder and the recording mode is set by moving the first operation button 102 from the first position to the second position when desired, the recording is stopped. Since the recording / reproducing head 114 does not abruptly approach and contact the magnetic recording tape 48 as a recording head as when changing from the recording mode to the recording mode, no transit noise is generated. When the standby mode is set, the electric motor (not shown) does not rotate and the recording / reproducing head 114 does not function as a recording head and a reproducing head, so that electricity is not consumed.

It should be noted that the above-mentioned embodiments are for explaining the present invention and are not intended to limit the present invention at all, and those which are modified and modified within the technical scope of the present invention are also included in the present invention. Needless to say, it is included.

As described in detail above, the tape recorder operating device of the present invention comprises a first operating member which is movable between an initial position and a predetermined operating position relative to the outer surface of the housing.
A second operating member that is movable between an initial position and a predetermined operating position relative to the outer surface of the housing, an advancing position that can contact the magnetic recording tape, and a retracting position that is separated from the magnetic recording tape. A recording / playback head that can move freely between
Recording / reproduction when the erasing head movable between the forward position capable of contacting the magnetic recording tape and the retracted position separated from the magnetic recording tape, and the first operating member and the second operating member are both in the initial position. In the stop mode in which both the head and the erasing head are in the retracted position and the magnetic recording tape is in the traveling stop state, the recording operation is performed when the first operating member is in the predetermined operating position and the second operating member is in the initial position. When the head is in the forward position and the erasing head is in the backward position and the magnetic recording tape is in the running state, the recording / reproducing head is used when both the first operating member and the second operating member are in predetermined operating positions. And the erasing head are both in the forward position and the magnetic tape is in the running state.
When the operation member of is in the initial position and the second operation member is in the predetermined operating position, the standby mode in which the recording / reproducing head is in the forward position, the erasing head is in the backward position, and the magnetic tape is in the traveling stop state, The magnetic recording tape can be used without waste and the generation of transit noise can be prevented because the magnetic recording tape is equipped with a mode setting mechanism for setting each.

[Brief description of drawings]

FIG. 1 is a side view schematically showing a state in which an operation button device of a tape recorder according to a first embodiment of the present invention sets a stop mode and a recording / reproducing head and an erasing head are separated from a magnetic recording tape; FIG. 2 schematically shows a state in which the reproducing mode is set in the first embodiment of FIG. 1 and the recording / reproducing head is brought into contact with the running magnetic recording tape while the erasing head is separated from the magnetic recording tape. FIG. 3 is a side view schematically showing a state in which the recording mode is set and the recording / reproducing head and the erasing head are in contact with the running magnetic recording tape in the first embodiment of FIG. 1; FIG. 4 schematically shows a state in which the first embodiment of FIG. 1 sets the standby mode to bring the recording / reproducing head into contact with the magnetic recording tape being stopped and at the same time the erasing head is separated from the magnetic recording tape. Side view; FIG. 5 is FIG. FIG. 6 is a side view schematically showing a state in which the first embodiment of the present invention is in the process of transitioning to the stop mode; FIG. 6 is a diagram showing a second embodiment of the present invention in which the operating device of the tape recorder sets the stop mode. FIG. 7 is a side view showing a state in which the head and the erasing head are separated from the magnetic recording tape; FIG. 7 is a view showing the second embodiment of FIG. And FIG. 8 is a side view schematically showing a state in which the erasing head is separated from the magnetic recording tape at the same time; FIG. 8 shows the magnetic recording while the recording / reproducing head is stopped by setting the standby mode in the second embodiment of FIG. FIG. 9 is a side view schematically showing a state in which the erasing head is separated from the magnetic recording tape at the same time when it is brought into contact with the recording tape; and FIG. 9 shows the recording / reproducing head when the recording mode is set by the second embodiment of FIG. Magnetic recording table while running on the erase head It is a side view which shows the state which is making contact with the container. 10 ... Tape recorder housing, 12 ... Sliding button (first operating member), 14 ... Push button (second operating member), 16 ... First lever, 18 ... Oblong hole, 20 ...... Fixing pin, 22 …… Biasing means, 24 …… Mistaken erasure lever, 26 ……
Curved part, 28 …… second lever, 30 …… fixing pin, 32 ……
Erasing head, 34 ... biasing means, 36 ... magnetic recording tape,
38 …… 1st notch, 40 …… 2nd notch, 42 ……
1st tongue piece part, 44 ... 2nd tongue piece part, 46 ... hook lever, 48 ... hook, 50 ... fixed pin, 52 ... biasing means,
54 …… notch, 56 …… third lever, 58 …… protrusion, 60
...... Fixing pin, 62 ...... Biasing means, 64 ...... Fourth lever,
66 …… Projection, 68 …… Recording / playback head, 70 …… Support lever, 7
2,74 ... Pin, 76 ... Biasing means, 78 ... Branch section, 80 ... Fifth lever, 82 ... Sixth lever, 84 ... Biasing means, 10
0 ...... tape recorder housing, 102 ... first operation button, 104 ... second operation button, 106 ... first lever, 108
…… Second lever, 110 …… Long hole, 112 …… Fixing pin, 11
4 …… Recording head, 116 …… Recording head support base, 118…
… Slots, 120 …… Fixing pins, 122,124 …… First step, 12
6 ... third lever, 128 ... fourth lever, 130 ... rocking lever, 132,134 ... second step portion, 136 ... first inclined surface, 138 ... second inclined surface, 140 ... Erase head, 142 ...
… Erasing head support pedestal, 144 …… slot, 146 …… fixing pin, 148 …… magnetic recording tape, 150,152 …… electric switch.

Continuation of the front page (56) Reference JP-A-55-163644 (JP, A) JP-A-57-162139 (JP, A) JP-A-57-198557 (JP, A) Actual development Shou-51-28716 (JP , U) JP-B 5-3061 (JP, B2) JP-B 59-2098 (JP, B2) JP-B 52-20243 (JP, Y2)

Claims (1)

[Scope of utility model registration request] 1. A first operating member movable between an initial position and a predetermined operating position relative to an outer surface of the housing, and an initial position and a predetermined relative position to the outer surface of the housing. A second operating member movable between the magnetic recording tape and an operating position, a recording reproducing head movable between a forward position capable of contacting the magnetic recording tape and a retracted position separated from the magnetic recording tape, and a magnetic recording tape. And an erasing head movable between a retracted position separated from the magnetic recording tape, and a recording / reproducing head and erasing when both the first operating member and the second operating member are in the initial position. In the stop mode in which the heads are both in the retracted position and the magnetic recording tape is in the traveling stop state, the first operation member is in the predetermined operation position and the second operation mode is in the second operation mode.
When the operating member is in the initial position, the recording / playback head is in the forward position, the erasing head is in the retracted position, and the magnetic recording tape is in the running state. When both are in the predetermined operation position, the recording / reproducing head and the erasing head are both in the forward position and the magnetic tape is in the running state, and the first operation member is in the initial position and the second operation member is in the predetermined position. When it is in the operating position, the recording / reproducing head is in the forward position, the erasing head is in the backward position, and the magnetic tape is in the stopped state. Tape recorder operating device.