JPH0635578Y2 - Voice recording device - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is a microphone (hereinafter, abbreviated as "microphone")
The present invention relates to an audio recording device that stores audio through

[Conventional technology]

As a voice recording device, there is a cassette tape recorder, a video camera, or the like. For example, there is a video camera which can record the voice of the photographer through a narration microphone at the same time as photographing.

By the way, in this type of video camera, due to the function of the narration microphone, it is necessary to project the narration microphone to the outside of the main body of the device.If the narration microphone is installed in a fixed state, it can be stored in a case when carrying it. The narration microphone gets in the way and cannot be stored compactly in a case. Therefore, in the past, considering the usability of the narration microphone, the narration microphone can be detachably installed on the outside of the main body of the device so that the narration microphone can be removed as needed when it is stored in a case etc. when carrying. A video camera designed for
-105666).

However, with this video camera, it is necessary not only to attach / detach the narration mic when attaching / detaching the narration mic, but also to attach / detach the connection cord that connects the narration mic to its connection terminal. When the device is housed in a case or the like, there is a problem that the device main body and the narration microphone must be housed separately in the case or the like, and there is room for improving the usability of the narration microphone.

[Problems to be solved by the device]

The present invention has been made in consideration of the above facts, and an object thereof is to obtain a voice recording device capable of improving the usability of a microphone such as a narration microphone.

[Means for Solving the Problems]

In the voice recording device according to the present invention, a recess for storing a microphone, a support means for supporting the microphone in and out of the recess, and a force for biasing the microphone from the inside of the recess to the outside thereof are provided outside the recess. And a microphone for holding the microphone in a storage position in the recess against the urging force of the urging means by the first pushing operation and the holding state of the microphone.
Holding means for releasing the microphone by a second pressing operation subsequent to the pressing operation, and a microphone switch for detecting a protruding state of the microphone to the outside of the recess.

[Action]

In the present invention having the above structure, the microphone switch is operated and the microphone can be used in a state where the microphone is positioned at the protruding position to the outside of the recess by the biasing force of the biasing means.

From this state, the microphone is held by the holding means in the storage position in the recess against the biasing force of the biasing means by the first pushing operation, and the microphone is in the inoperative state. Therefore, when the microphone is not used, the microphone can be stored in the recess by a simple pushing operation and can be compactly stored in the case etc. when carrying, and the microphone and the device main body can be simultaneously stored in the case etc. by a simple operation. be able to.

Then, after the microphone is stored in the recess, the holding state of the microphone is released at the storage position in the recess by the second pressing operation of the microphone following the first pressing operation, and thereafter the microphone is pressed by the biasing means. The microphone switch is activated when the microphone is projected outside the recess and the microphone operation at this time causes the microphone to protrude outside the recess, and the microphone can be used with a simple operation even after the microphone is stored in the recess. [Embodiment] FIG. 1 to FIG. 6 show a video camera 20 as an audio recording device to which the present invention is applied.

In the video camera 20, as shown in FIG. 2, the narration microphone 26 is attached to the microphone housing 28 at the rear end portion in the vicinity of the view finder 22 and on the side portion of the casing 24. It is installed diagonally toward the direction), and the voice of the photographer can be recorded at the same time as the photography through the narration microphone 26.

The microphone housing 28 is projected to the outside of the casing 24 through a substantially rectangular opening 30 forming a recess formed in the casing 24, and the narration microphone 26 is attached to the protruding portion of the casing 24 to the outside. It is installed diagonally toward the rear in the side part of the. As shown in FIG. 1, the microphone housing 28 has a pair of arms 34, which are substantially parallel to each other in the vertical direction, formed on the rear portion thereof.
It is supported inside the casing 24 at the back of the opening 30 with the support portion 34.

In the casing 24, as shown in FIG. 3, a base plate 40 is fixedly installed at the inner side of the opening 30 with two bosses 38, which are the inner peripheral surface and projecting from the peripheral portion of the opening 30, as mounting portions.
The base plate 40 supports a pair of arms 34 of the microphone housing 28. The base plate 40 is disposed in the front-rear direction substantially parallel to the inner peripheral surface of the casing 24, and has a pair of bearing plates at the rear end thereof which are substantially parallel to the vertical direction as shown in FIG.
41 are formed on these bearing plates 41 and the microphone housing 28
The pair of arms 34 of the spring pin 42 as a support means.
Can be rotated in the horizontal plane via (arrow OP direction and anti-arrow OP
Direction). Further, a torsion coil spring 44 is wound around a spring pin 42 in the casing 24, and the microphone housing 28 is urged by the torsion coil spring 44 to move the casing as shown in FIGS. 2 and 3.
It is projected to the outside of 24.

In this video camera 20, the microphone housing 28 can be housed inside the casing 24 as required through the opening 30 as shown in FIGS. 4 and 5, and the narration microphone 26 can be controlled appropriately. It has become.

More specifically, in the video camera 20, as shown in FIG. 1, a through hole 46 is formed in the front-rear intermediate portion of the base plate 40.
The through-hole 46 forms the microphone housing 28.
By rotating around the spring pin 42, it can be housed inside the casing 24 substantially flush with the outer peripheral surface of the casing 24 without interfering with the base plate 40. That is, the through hole 46 is for avoiding interference with the lower end portion of the microphone housing 28, and
When the microphone housing 28 is housed inside the 24, the lower end portion 28A of the microphone housing 28 is penetrated as shown in FIG.

Further, in the video camera 20, as shown in FIG. 1, a substantially heart-shaped cam groove 50 forming a part of the holding means is formed on the lower end surface of the microphone housing 28 to form a raised portion inside the heart-shaped portion.
51 (FIG. 6), a lock pin 52 which is fitted into the cam groove 50 and constitutes another part of the holding means is attached to the base plate 40. By inserting the lock pin 52 into the cam groove 50, the microphone housing 28 can be held in the storage position inside the casing 24 by a pushing operation, and this holding state can be released by a pushing operation of the microphone housing 28. It has become.

As shown in detail in FIG. 6, step portions 54, 56, 58, 60 are formed in the cam groove 50, and between the step portions (FIG. 6), there are slopes with a rising slope in the clockwise direction. Has become. Lock pin
As shown in FIG. 1, reference numeral 52 is a wire rod that is bent and formed into a substantially U-shape. One end is rotatably and axially displaceably supported by a block 62 fixed to the base plate 40, and the other end is a cam. It is fitted in the groove 50. In addition, the lock pin 52 is pressed by the leaf spring 64 attached to the block 62,
The detachment from 62 is blocked, and the fitting portion into the cam groove 50 is pressed toward the bottom surface of the cam groove 50 by the urging force of the leaf spring 64. In addition, the lock pin that has entered the cam groove 50
The microphone housing 28 in which the cam groove 50 is formed with respect to the end portion of 52 is twisted by the coil spring 44 and is indicated by an arrow OP in FIG.
Is being biased in the direction.

The operation of the lock pin 52 will be described in detail with reference to FIG. 6 (for the sake of explanation, the relative movement between the cam groove 50 and the lock pin 52 is shown in a state where the cam groove 50 is fixed, which is opposite to the actual movement). Lock pin 52 is located on the outside of casing 24
Is located at the position of the lock pin 52A with respect to the cam groove 50. Then, when the microphone housing 28 is pushed in when the microphone housing 28 is housed inside the casing 24, the pushing causes the microphone housing 28 to be guided by the step portion 54 to move in the direction of the arrow A, and by this movement, the microphone housing 28 inside the casing 24 is moved. At the storage position of 28, it passes through the stepped portion 56 to reach the position of the lock pin 52B between the stepped portion 56 and the stepped portion 58, and further pushing of the microphone housing 28 is prevented.

Here, when the pushing of the microphone housing 28 is stopped, the biasing force of the torsion coil spring 44 causes the microphone housing 28 to rotate in a direction projecting to the outside of the casing 24, and this rotation causes the lock pin 52 to be guided to the step portion 56 and the arrow. Move in the B direction. This movement causes the lock pin 52 to pass through the step 58 and
The position of the lock pin 52C between the 58 and the step portion 60 reaches the position where it hits the raised portion 51 and resists the biasing force of the torsion coil spring 44, and the rotation of the microphone housing 28 in the projecting direction (arrow OP direction) is prevented. Blocked, which allows the microphone housing
28 is held in a storage position inside the casing 24.

On the other hand, when the microphone housing 28 is housed inside the casing 24, the lock pin 52 is moved in the direction of arrow C by pushing the microphone housing 28, and this movement causes the lock pin 52 to move.
Pass through step 60 and lock pin between step 60 and step 54
The position of 52D is reached, and further pushing of the microphone housing 28 is blocked.

Here, when the pushing of the microphone housing 28 is stopped, the biasing force of the torsion coil spring 44 causes the microphone housing 28 to rotate in a direction projecting to the outside of the casing 24 (arrow OP direction), and this rotation causes the lock pin 52 to move to the step portion 60. Is guided in the direction of the arrow D, and this movement passes through the step portion 54 to reach the position of the lock pin 52A. At this position, the microphone housing 28
Is held at a predetermined protruding position outside the casing 24.

Further, in the video camera 20, as shown in FIG. 1, a protrusion 66 is formed on the upper front end of the microphone housing 28, and the inner periphery of the casing 24 corresponding to the protrusion 66 is shown in FIG. A limit switch 68 is attached to the surface, and the projection 66 and the limit switch 68 control the operation of the narration microphone 26. Protrusion 66
Is located between the base plate 40 and the inner circumference of the casing 24 at a protruding position of the microphone housing 28 to the outside of the casing 24, and passes over the base plate 40 when the microphone housing 28 is stored. Casing 24
The position where the microphone housing 28 is housed inside is located at the back of the base plate 40 as shown in FIG.

The limit switch 68 is connected from a back side of the microphone housing 28 through the opening 30 to the inside of the casing 24 to the connection cord 70 of the narration microphone 26 via a control circuit (not shown) so that the limit switch 68 acts as a switch of the narration microphone 26. It has become.

The limit switch 68 is opened / closed by the movable piece 68A being brought into contact with / separated from the movable piece 68A by the rotation operation of the microphone housing 28, and "closed" at the protruding position of the microphone housing 28 as shown in FIG.
Then, the microphone is activated, and when the microphone housing 28 is in the storage position, the microphone is "opened" to stop the operation of the microphone as shown in FIG.

The operation of the present embodiment will be described below.

With the video camera 20, when shooting the
The voice of the photographer can be recorded through 26, and the microphone housing 28 is the second
As shown in FIG. 3 and FIG. 3, it is projected to the outside of the casing 24.

In the usage state of the narration microphone 26 shown in FIGS. 2 and 3, the mic housing 28 is projected to the outside of the casing 24 through the opening 30 of the casing 24 so that the narration microphone 26 is rearward to the side portion of the casing 24. The movable switch 68A of the limit switch 68 is brought into contact with the projecting piece 66 of the microphone housing 28 and the limit switch 68 is "closed".
26 becomes available. In this state, the biasing force of the familiar coil spring 44 (shown in FIG. 1) is applied to the microphone housing.
Lock pin 52 is locked to the cam groove 50 of 28.
The microphone housing 28 is held in the position (Fig. 6) and is held without rattling.

From this state, when the microphone housing 28 is pushed in, the microphone housing 28 is held at the storage position inside the casing 24 as shown in FIGS. 4 and 5, and the limit switch 68 is operated by the operation of the microphone housing 28 at this time. Is "open". That is, when the microphone housing 28 is pushed against the urging force of the torsion coil spring 44 (shown in FIG. 1), this pushing pushes the lock pin 52 into the lock groove 52B (the sixth pin) with respect to the cam groove 50 of the microphone housing 28.
(Fig.), And further pushing of the microphone housing 28 is prevented at this position.

Here, when the pushing of the microphone housing 28 is stopped, the microphone housing 28 is rotated around the spring pin 42 by the biasing force of the torsion coil spring 44, and this rotation causes the lock pin 52 to be locked to the cam groove 50 of the microphone housing 28.
The position of 52C (FIG. 6) is reached, and further rotation of the microphone housing 28 is blocked at this position. As a result, the microphone housing 28 is held against the urging force of the torsion coil spring 44 at the storage position inside the casing 24 as shown in FIGS. On the other hand, the protrusion 66 of the microphone housing 28 is rotated by the rotation operation of the microphone housing 28 when it is pushed.
Moves in a direction away from the mover 68A of the limit switch 68, and this movement causes the limit switch 68 to "open" at the storage position of the microphone housing 28 inside the casing 24.
Becomes

Therefore, when the narration microphone 26 is not used, the microphone housing 28 can be housed inside the casing 24 by a simple pushing operation and can be compactly housed in a case or the like when carried, and can be housed in the case or the like by one operation. Can be stored.

Then, after the microphone housing 28 is housed inside the casing 24, the microphone housing 28 is pushed in by the pushing operation of the microphone housing 28 so that the microphone housing 28 is projected to the outside of the microphone housing 28 as shown in FIGS. 26 becomes available. That is, when the microphone housing 28 is pushed against the biasing force of the torsion coil spring 44 (shown in FIG. 1), this pushing causes the microphone housing 28 to move.
The lock pin 52 reaches the position of the lock pin 52D (FIG. 6) with respect to the cam groove 50, and further pushing of the microphone housing 28 is prevented at this position. Here, when the insertion of the microphone housing 28 is stopped, the microphone housing 28 rotates around the spring pin 42 by the biasing force of the torsion coil spring 44, and this rotation causes the lock pin 52 to be locked to the cam groove 50 of the microphone housing 28. Reach the position of 52A (Fig. 6).

On the other hand, the microphone housing 28 has a torsion coil spring 44.
When the microphone housing 28 is rotated around the spring pin 42 by the urging force of the microphone housing 28, the protrusion 66 of the microphone housing 28 moves toward the mover 68A of the limit switch 68, and this movement causes the microphone housing 28 to move. Is located outside the casing 24 at the position where the limit switch 68
Becomes "closed", and the use state of the narration microphone 26 shown in FIGS. 2 and 3 is brought about.

Therefore, even when the microphone housing 28 is not used, even after the microphone housing 28 is housed inside the casing 24, the narration microphone 26 can be used by a simple pushing operation.

As described above, in this embodiment, the microphone housing 28 can be put in and taken out from the inside of the casing 24 by a simple pushing operation, and the microphone housing 28 can be placed inside the casing 24.
Since the limit switch 68 is operated as a microphone switch by moving the 28 in and out, it can be easily and compactly stored in the case etc. when not in use with a simple operation. The operation microphone is easy to use.
26 Usability is improved.

In this embodiment, the microphone housing 28 is rotatably supported by rotating the spring pin 42.
Although the microphone housing 28 is put in and taken out from the inside of the casing 24 by the rotation operation of, the other supporting means such that the microphone housing 28 is put in and taken out from the recess of the casing 24 by a sliding operation using a guide or the like can be applied.

Further, although the present embodiment is applied to the video camera 20, it can be applied to other audio recording devices such as a cassette tape recorder.

[Effect of device]

As described above, in the audio recording device according to the present invention, the recess for storing the microphone is provided, and the microphone is inserted into and removed from the recess by a simple pushing operation by the supporting means, the biasing means, and the holding means. Since the microphone switch that is opened / closed by the operation of putting the microphone in and out is provided, there is an excellent effect that the usability of the microphone can be improved.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a main part showing a structure around a narration microphone of a video camera to which the present invention is applied, and FIG. 2 is a perspective view showing a usage state of the narration microphone of FIG.
The figure shows the structure of the mounting part of the narration microphone of FIG.
2 is a sectional view taken along the line III-III in FIG. 2, and FIG. 4 shows a state when the narration microphone of FIG. 1 is not used.
FIG. 5 is a perspective view corresponding to the drawing, FIG. 5 is a sectional view showing the state of FIG. 4 corresponding to FIG. 3, and FIG. 6 is an operation of the lock pin of FIG. 1 from the lower side of FIG. It is the principal part bottom view which looked at. 20 …… Video camera, 24 …… Casing, 26 …… Narration microphone, 28 …… Mic housing, 42 …… Spring pin, 50 …… Cam groove, 52 …… Lock pin, 68 …… Limit switch.

Claims (1)

[Scope of utility model registration request] 1. A voice recording device for recording voice through a microphone, comprising: a recess for storing the microphone; a support means for supporting the microphone so that the microphone can be inserted into and removed from the recess; and a microphone protruding from the inside of the recess to the outside thereof. Urging means for urging the microphone in a protruding position to the outside of the recess and a microphone for holding the microphone in the storage position in the recess against the urging force of the urging means by the first pushing operation. A voice recording device comprising: holding means for releasing the state by a second pushing operation of the microphone following the first pushing operation; and a microphone switch for detecting a protruding state of the microphone to the outside of the recess.