JP4157756B2 - camera - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a camera including a microphone that collects sound.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a digital camera or a video camera provided with a microphone that collects sound is known.
[0003]
For example, in a conventional video camera, in addition to microphones arranged in the same direction as the optical axis, a technique for recording audio from various directions by providing a plurality of microphones arranged in various directions different from the optical axis is provided. Yes (see, for example, Patent Document 1).
[0004]
[Patent Document 1]
JP-A-8-289182
[Problems to be solved by the invention]
In order to record sound from various directions, it is conceivable to use an omnidirectional microphone capable of collecting sound from all directions. However, when the omnidirectional microphone is used in this way, unnecessary sound (noise) other than the sound from the necessary direction is likely to enter. In order to prevent this, it is necessary to use a directional microphone, and as described in Patent Document 1, it is necessary to provide a plurality of microphones in order to record sound from various directions. there were. However, in the configuration using a plurality of microphones as described above, there is a problem that the number of parts increases and the cost increases.
[0006]
In view of the circumstances described above, an object of the present invention is to provide a camera capable of recording sound from various directions with a single microphone.
[0007]
[Means for Solving the Problems]
The camera of the present invention that achieves the above object includes a camera body, a photographing lens that forms an image of a subject in front, and a microphone that collects sound, and is incident through the photographing lens according to a photographing operation. In a camera that captures a subject and shoots and records sound by the microphone,
A microphone holder supported by the microphone and attached to the camera body so as to be movable to a storage position and a protruding position;
And an operator for switching the direction of the microphone by rotating the microphone holder.
[0008]
In the camera of the present invention, the microphone can be directed in an arbitrary direction through the microphone holder by rotating the operation element. Therefore, for example, in the shooting mode, the microphone is directed forward to collect sound from the direction of the subject to be photographed, or when the photographer wants to leave it as a voice memo, the microphone is directed backward and the photographer Audio can be recorded. In this way, sound from various directions can be recorded with only one microphone.
[0009]
It is preferable that the microphone holder is provided with an operation element for rotating the microphone holder.
[0010]
It is preferable that a dial operator for rotating the microphone holder is connected to the microphone holder via a gear.
[0011]
The operator controls a shooting mode between at least two shooting modes, a first shooting mode for recording sound from the subject side during shooting and a second shooting mode for recording voice of the shooting operator during shooting. Is to switch,
The microphone holder supports the microphone and directs the microphone toward the front of the camera in the first photographing mode and toward the rear of the camera in the second photographing mode in accordance with the operation of the operation element. It is preferable.
[0012]
The operation element is supported by the camera body so as to be rotatable in accordance with a mode switching operation, and the microphone holder has an attitude in which the microphone faces the front of the camera and an attitude in which the microphone faces the rear of the camera. The microphone holder is operated by rotating the operation element to a position corresponding to the first shooting mode and a position corresponding to the second shooting mode. It is preferable that an operation transmission mechanism that transmits the rotation of the operation element to the microphone holder is preferably provided so that the microphones are rotated to a posture facing forward and a posture facing backward.
[0013]
The microphone holder includes the operation element at a tip, and rotates around a rotation axis and slides in the rotation axis direction integrally with the operation element. The microphone is lateral to the rotation axis. Is a rotationally symmetric shape embedded in a state suitable for
The camera body has a recess for accommodating the microphone holder and a cam pin protruding from the wall surface of the recess;
The microphone holder has a cam groove in which the cam pin is fitted on a side surface of the microphone holder and the microphone holder is slid by engagement with the cam pin according to the rotation of the microphone holder, It is preferable that the microphone is housed or protruded in the concave portion by a slide corresponding to the direction and directed forward or backward.
[0014]
The operating element has a ring shape with a cam pin protruding on the inner surface and rotatably attached to the camera body.
The microphone holder has a cam groove in which the cam pin is fitted on a side surface of the microphone holder and the microphone holder is slid and rotated according to the operation of the operation element. It is preferable that the microphone is directed forward or backward.
[0015]
It is preferable that the microphone has a directivity with a high sound collecting property with respect to a specific direction.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described.
[0017]
FIG. 1 is a perspective view of a camera according to Embodiment 1 of the present invention, and FIG. 2 is a rear view.
[0018]
In FIG. 1, a camera 1 includes a camera body 2, a photographing lens 3 that forms an image of a subject in front, a finder 4, a display panel 5, a shutter button 6, and a microphone 7 that collects sound. Accordingly, the subject that has entered via the photographing lens 3 is captured and photographed, and sound is recorded by the microphone 7 as necessary.
[0019]
FIG. 3 is a perspective view of the microphone holder and the operation transmission mechanism in the first embodiment, and FIG. 4 is a cross-sectional view of the microphone holder.
[0020]
On the upper back side of the camera body 2, a dial-like operation element 10 is fixedly disposed on the rotation shaft 11. A gear 12 is attached to the lower portion of the rotating shaft 11, and a gear 13 fixed to the upper portion of the microphone holder 14 is engaged with the gear 12.
[0021]
The microphone 7 is attached to a cylindrical outer case 8, and a wire harness 9 is led out of the outer case 8 from the microphone 7. A ring-shaped engagement groove 16 is formed on the outer periphery of the outer case 8. The microphone holder 14 is a plate having a semicircular recess 17 formed therein, and the microphone 7 is held by the microphone holder 14 by fitting the outer peripheral edge of the recess 17 into the engagement groove 16.
[0022]
As shown in FIGS. 1 and 2, the microphone 7 is disposed in a window portion 18 formed on the side portion of the camera body 2. The window portion 18 is provided with a protective microphone net 19.
[0023]
By rotating the operation element 10 with a finger, the microphone 7 is rotated in an arbitrary direction via the rotation shaft 11, the gears 12 and 13, and the microphone holder 14. Therefore, for example, in the shooting mode, the microphone 7 is directed forward to collect sound from the direction of the subject to be shot. If the photographer wants to keep the voice memo, the photographer's voice is recorded with the microphone 14 facing backward.
[0024]
5 is a perspective view of a camera according to Embodiment 2 of the present invention, FIG. 6 is a rear view, and FIG. 7 is a side view.
[0025]
A microphone 7 facing in the horizontal direction is accommodated in a cylindrical microphone holder 20 disposed in a vertical recess 22 of the camera body 2, and a dial-like operation element 10 is provided at an upper end portion, and the outer periphery is not spiraled. A cam groove 21 is formed. The microphone holder 20 is rotatably fitted in a recess 22 provided in the camera body 2. A cam pin 23 fitted into the cam groove 21 projects from the wall surface of the recess 22. A microphone net 19 is provided on the front surface of the recess 22.
[0026]
As shown in FIGS. 5, 6, and 7 (a), in the state where the microphone holder 20 is lowered and stored in the recess 22, the microphone 7 faces rearward and records the voice of the photographer. Can do. When the operating element 10 is rotated, the cam groove 21 is moved against the cam pin 23, and as shown in FIG. 7B, the microphone holder 20 is raised and the microphone 7 is directed forward from the direction of the subject to be photographed. Can be collected.
[0027]
FIG. 8 is a cross-sectional view of the main part of the camera according to Embodiment 3 of the present invention, and a cross-sectional view of the main part in the operation state of FIG.
[0028]
A microphone 7 facing in the horizontal direction is housed inside a cylindrical microphone holder 20 disposed in the concave portion 22 in the vertical direction, a dial-like operation element 10 is integrally provided at the upper end portion, and a gear portion 35 is provided at the lower portion. Is provided. A compression spring 36 is mounted between the gear portion 35 and the bottom portion of the recess 22. A dial operator 37 that is rotatably provided on the camera body 2 meshes with the outer periphery of the gear portion 35. A spring-like locking piece 38 is provided on the outer periphery of the microphone holder 20, and the locking piece 38 is locked to the step portion 39 of the camera body 2. An operation pin 40 for operating the locking piece 38 is provided on the camera body 2.
[0029]
When the operation pin 40 is pushed, the locking piece 38 is detached from the step portion 39, and the microphone holder 20 pops up by the force of the compression spring 36 as shown in FIG. When the operation element 37 is rotated in this state, the microphone holder 20 is rotated in an arbitrary direction via the gear portion 35, and the microphone 7 can be directed in an arbitrary direction. Note that this rotation operation can be performed directly with the finger on the microphone holder 20, and in this case, the mechanisms of the operating elements 10 and 37 and the gear 35 are not necessary.
[0034]
As mentioned above, although Embodiment 1-3 was shown, what kind of mechanism may be sufficient if it is a mechanism which changes the direction of the microphone 7 freely, It is not limited to the said embodiment.
[0035]
【The invention's effect】
As described above, according to the present invention, it is possible to record sound from various directions with only one microphone, and an inexpensive camera with a microphone can be realized.
[Brief description of the drawings]
FIG. 1 is a perspective view of a camera according to Embodiment 1 of the present invention.
FIG. 2 is a rear view of the camera according to the first embodiment.
FIG. 3 is an exploded perspective view of a main part of the camera according to the first embodiment.
FIG. 4 is a cross-sectional view of the microphone holder according to the first embodiment.
FIG. 5 is a perspective view of a camera according to Embodiment 2 of the present invention.
FIG. 6 is a rear view of the camera according to the second embodiment.
7A and 7B are side views of the camera according to the second embodiment, in which FIG. 7A shows the position of the microphone during voice memo and FIG. 7B shows the position of the microphone during shooting.
FIG. 8 is a cross-sectional view of a main part of a camera according to Embodiment 3 of the present invention.
FIG. 9 is a cross-sectional view of a main part in an operating state in the third embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Camera 2 Camera body 3 Shooting lens 6 Shutter button 7 Microphone 10 Manipulator 14, 20 Microphone holder 12, 13 Gear (operation transmission mechanism)

Claims (3)

A camera body, a photographic lens that forms an image of a subject in front, and a microphone that collects sound, captures a subject that has entered through the photographic lens according to a photographing operation, and uses the microphone In cameras that record audio,
A microphone holder supported by the microphone and rotatably attached to the camera body and movable to a storage position and a protruding position ;
An operation element provided on the microphone holder and rotating the microphone holder;
The operator controls a shooting mode between at least two shooting modes, a first shooting mode for recording sound from the subject side during shooting and a second shooting mode for recording voice of the shooting operator during shooting. Is to switch,
The microphone holder supports the microphone, and moves the microphone to the protruding position in the first shooting mode according to the operation of the operation element, and is directed to the front of the camera, and in the second shooting mode. A camera that is moved to the storage position and directed toward the rear of the camera. The operation element is supported by the camera body so as to be rotatable in accordance with a mode switching operation, and the microphone holder has an attitude in which the microphone faces the front of the camera and an attitude in which the microphone faces the rear of the camera. Which can freely rotate between
The microphone holder is rotated to a position corresponding to the first shooting mode and a position corresponding to the second shooting mode, so that the microphone holder faces the microphone forward and backward, respectively. The camera according to claim 1 , further comprising an operation transmission mechanism that transmits the rotation of the operation element to the microphone holder so as to be rotated to a predetermined posture . The microphone holder includes the operation element at a tip, and rotates about a rotation axis according to the rotation of the operation element, and in the direction of the rotation axis according to the progress of the rotation of the operation element. Is also a rotationally symmetric type in which the microphone is embedded in a state of being oriented sideways with respect to the rotation axis,
The camera body has a recess for accommodating the microphone holder and a cam pin protruding from the wall surface of the recess;
The microphone holder has a cam groove in which the cam pin is fitted on a side surface of the microphone holder and the microphone holder is slid by engagement with the cam pin according to the rotation of the microphone holder, The camera according to claim 1, wherein the microphone is housed or protruded in the concave portion by a slide corresponding to the direction and directed forward or backward .

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