Patent Description:
A microphone among microphones, such as a microphone for conferences, includes a light emitting part (light emitting diode (LED)) that indicates an operation state of the microphone (states of the microphone such as on/off of its power) for a participant of a conference and/or a speaker itself (for example, see <CIT>).

A microphone disclosed in <CIT> includes a light emitting part (LED) that indicates an operation state of the microphone, a cover that diffuses light from the light emitting part toward the outside. The light emitting part is disposed at a position visible to a participant of a conference, such as a part at the tip side (a side of a speaker (sound source)) of the microphone. The microphone disclosed in <CIT> indicates the operation state of the microphone for the participant and/or the speaker itself by diffusing the light from the LED toward the outside via the cover.

The microphone for conferences is likely to be used near a mouth of a speaker. Therefore, when sound such as "P" and "T" is pronounced by the speaker, a diaphragm strongly vibrates due to its sound pressure, and accordingly so-called pop noise is generated.

In order to reduce such pop noise, the microphone for conferences is used by attaching a windscreen constituted with a metal mesh, an open cell foam, or the like such that a sound collecting part is covered by the windscreen (for example, see <CIT>).

Document <CIT> discloses a microphone that includes a circuit board having light emitting members which emit light according to an operation state of a microphone unit; a fixing member which fixes the circuit board to an interior part of a hollow tubular member; and a cover member made of an elastic member that transmits light and covers the fixing member.

Document <CIT> discloses a microphone including a lamp ring and a switchable light guide member into which a luminous flux emitted from a lamp ring enters. The switchable light guide member includes a plurality of light guide parts into which the luminous flux can enter, and can move relative to the lamp ring. The switchable light guide member can change the direction of emission, by selecting a light guide part, into which the luminous flux enters, depending on the position of movement.

Document <CIT> discloses a printed circuit board on which light emitting diodes are soldered and which is fixed while being inserted between a microphone holder and a microphone unit.

Document <CIT> discloses a window screen comprising a support part and a window screen part. The support part has a cage-shaped frame into which a microphone body is inserted and which encloses the microphone body. The window screen part covers the outer periphery of the frame.

As described above, in the microphone with the light emitting part, the light emitting part is disposed near the sound collecting part of the microphone (a part at the tip side of the microphone). Therefore, when the windscreen is attached to the microphone including the light emitting part, the light emitting part is covered and hidden by the windscreen, and accordingly the participant of the conference and/or the speaker are unable to visually recognize the light from the light emitting part. On the other hand, when a windscreen having a size (length) not to cover the light emitting part, the participant of the conference can visually recognize the light from the light emitting part. However, when the microphone is directed to the speaker, the speaker cannot visually recognize the light from the light emitting part due to the windscreen. Further, increasing the size of the light emitting part to improve the visibility of the light from the light emitting part from the speaker hinders miniaturization of the microphone, and impairs the design of the microphone.

An object of the present invention is to solve the problem described above and to provide a windscreen with good visibility of light from a light emitting part and a microphone device.

The windscreen according to the present invention is a windscreen as defined by claim <NUM>.

According to the present invention, a windscreen with good visibility of light from a light emitting part and a microphone device can be provided.

Embodiments of a microphone device and a windscreen according to the present invention will now be described with reference to the attached drawings.

<FIG> is an external view illustrating an embodiment of a microphone device according to the present invention.

The microphone device <NUM> collects a sound wave from a sound source (not illustrated) and outputs an electrical signal corresponding to the sound wave. The microphone device <NUM> includes a microphone <NUM> and a windscreen <NUM>.

In the following description, the direction to the upper side in <FIG> is referred to as the upper direction, and the direction to the lower side in <FIG> is referred to as the lower direction.

The microphone <NUM> collects the sound wave from the sound source and outputs the electrical signal corresponding to the sound wave. The microphone <NUM> is, for example, a gooseneck type microphone which is detachably attached to a microphone stand (not illustrated) in a conference room or the like. The microphone <NUM> includes a unit part <NUM>, an adjustment part <NUM>, and a connection part <NUM>.

<FIG> is a partially enlarged cross-sectional view of the microphone device <NUM> taken along line A-A in <FIG>.

<FIG> illustrates a nonsectional view of the microphone <NUM> and a cross-sectional view of the windscreen <NUM>.

The unit part <NUM> is directed to the sound source and collects sound waves from the sound source. The unit part <NUM> includes a first case <NUM>, a second case <NUM>, a third case <NUM>, a microphone unit <NUM>, a circuit board <NUM> (see <FIG>), and a light emitting display part <NUM>. The first case <NUM> and the microphone unit <NUM> constitute a sound collecting part that collects sound in the present invention.

The first case <NUM> accommodates a microphone unit <NUM>. The first case <NUM> is made of metal and has a bottomed cylindrical shape. The first case <NUM> includes first sound wave introduction ports 111h1 and second sound wave introduction ports 111h2. Each of the first sound wave introduction ports 111h1 and the second sound wave introduction ports 111h2 introduces the sound wave from the sound source into the microphone unit <NUM>. Each of the first sound wave introduction ports 111h1 and the second sound wave introduction ports 111h2 is constituted with a plurality of holes having a slit shape. The first sound wave introduction ports 111h1 are disposed on an upper end surface (bottom surface) of the first case <NUM>. The second sound wave introduction ports 111h2 are disposed at three positions on the outer circumferential surface of the first case <NUM> at an equal angular interval (at the interval of <NUM> degrees in this embodiment) in the circumferential direction of the first case <NUM>.

The second case <NUM> accommodates the circuit board <NUM> and the light emitting display part <NUM>. The second case <NUM> is made of metal and has a cylindrical shape. The second case <NUM> includes a fitting groove 112a. The fitting groove 112a is a groove to which fitting parts 233a-233c (see <FIG>) of the windscreen <NUM> described below are fitted. The fitting groove 112a is disposed on the outer circumferential surface of the second case <NUM> (the outer circumferential surface of the microphone <NUM>) in a ring shape along the circumferential direction of the outer circumferential surface.

The third case <NUM> accommodates the upper end of the adjusting part <NUM> (a first flexible pipe <NUM> described below). The third case <NUM> is made of metal and has a hollow circular truncated cone shape tapered toward the lower end.

The microphone unit <NUM> collects sound waves introduced from each of the first sound wave introduction ports 111h1 and the second sound wave introduction ports 111h2 to the first case <NUM>, and converts the sound waves into electrical signals. The microphone unit <NUM> is, for example, a condenser-type electroacoustic transducer. The microphone unit <NUM> is accommodated in the first case <NUM>.

Note that the microphone unit is not limited to a condenser-type electroacoustic transducer. That is, for example, the microphone unit may be a dynamic-type electroacoustic transducer.

The circuit board <NUM> (see <FIG>) is mounted with a circuit such as a balanced transmission circuit (not illustrated) that outputs the sound signal from the microphone unit <NUM> to an output connector (not illustrated), and an element such as LED (Light Emitting Diode) 115a and 115b (see <FIG>; the same applies hereinafter) that indicate the operation state of the sound collecting part. The circuit board <NUM> is accommodated in the second case <NUM>.

The "operation state of the sound collecting part" includes a state in which the power of the microphone <NUM> is on (a state in which the microphone unit <NUM> is able to collect sound waves) and a state in which the power of the microphone <NUM> is off (a state in which the microphone unit <NUM> is unable to collect sound waves).

The light emitting display part <NUM> displays (indicates) the light from LEDs 115a and 115b to the outside of the unit part <NUM>. The light emitting display part <NUM> is made of, for example, a translucent resin such as polymethyl methacrylate (PMMA). The light emitting display part <NUM> has a ring shape. The light emitting display part <NUM> substantially uniformly radiates the light from LEDs 115a and 115b to the outside when LEDs 115a and 115b emit light, and stops radiating the light from LEDs 115a and 115b when LEDs 115a and 115b stop emitting light. The light emitting display part <NUM> is accommodated in the second case <NUM>.

The first case <NUM> is connected to the second case <NUM>. The second case <NUM> is connected to the third case <NUM>. In this state, a part of the outer peripheral surface of the light emitting display part <NUM> is held between the second case <NUM> and the third case <NUM>, being exposed to the outside of the unit part <NUM> in a ring shape. That is, the part of the light emitting display part <NUM> exposed to the outside of the unit part <NUM> functions as a light emitting part in the present invention that indicates the operation state of the sound collecting part. In this state, the outer diameter of the part of the light emitting display part <NUM> exposed to the outside of the unit part <NUM> (hereinafter, also referred to as "light emitting display part <NUM> ") is the same as the outer diameter of the second case part <NUM> and the outer diameter of the upper end part of the third case part <NUM>.

Referring now back to <FIG>, the adjusting part <NUM> couples the unit part <NUM> with the connecting part <NUM>, and adjusts the position of the unit part <NUM> with respect to the connecting part <NUM>. The adjusting part <NUM> includes a first flexible pipe <NUM>, a joint <NUM>, and a second flexible pipe <NUM>.

The first flexible pipe <NUM> and the second flexible pipe <NUM> is bent to adjust the position of the unit part <NUM>. The joint <NUM> couples the first flexible pipe <NUM> with the second flexible pipe <NUM>.

The connection part <NUM> connects microphone <NUM> to a microphone stand (not illustrated). The connecting part <NUM> includes a connector case <NUM> and an output connector (not illustrated).

The connector case <NUM> accommodates the output connector and a lower end of the adjusting part <NUM> (the second flexible pipe <NUM>). The connector case <NUM> is made of metal and has a substantially cylindrical shape.

The output connector outputs a sound signal from the circuit board <NUM>. The output connector is, for example, a pin plug conforming to JEITA standard RC-<NUM> "Circular Connectors, Latch Lock Type for Audio Equipment.

<FIG> is a cross-sectional view taken along line A-A in <FIG> illustrating an embodiment of the windscreen according to the present invention.

The windscreen <NUM> reduces the generation of pop noise with the sound collecting part by protecting the sound collecting part (microphone unit <NUM>) from wind from the outside of the microphone device <NUM> or from exhalation of a user (speaker) of the microphone device <NUM>. The windscreen <NUM> includes a windscreen body <NUM> and a fixing member <NUM>.

The windscreen body <NUM> covers the sound collecting part to protect the sound collecting part from the aforementioned wind, exhalation, and the like. The windscreen body <NUM> is made of, for example, resin having an open cell structure such as polyurethane. The windscreen body <NUM> has a substantially columnar shape. The shape of the windscreen body <NUM> will be described in detail below. The windscreen body <NUM> includes a notch groove 21a and the insertion hole <NUM>.

The notch groove 21a defines an air layer to reduce pop noise. The notch groove 21a is disposed on the outer peripheral surface of the upper part of the windscreen body <NUM> around the entire circumference in a ring shape along the circumferential direction of the outer peripheral surface of the upper part of the windscreen body <NUM>.

The insertion hole <NUM> is a columnar hole to which the upper end part of the microphone <NUM> (a part of the unit part <NUM>) is inserted. The insertion hole <NUM> is disposed on the lower end surface of the windscreen body <NUM>, being open to the lower end surface of the windscreen <NUM>. The bottom part of the insertion hole <NUM> (the upper end surface of the insertion hole <NUM>) is disposed substantially on the central part of the windscreen body <NUM> in the up-down direction (the longitudinal direction of the windscreen body <NUM>: the up-down direction in <FIG>). The opening of the insertion hole <NUM> is disposed on the lower end surface of the windscreen body <NUM> in the up-down direction.

The outer diameter of the windscreen body <NUM> is configured to decrease (be reduced) toward the lower end part from the central part in the longitudinal direction (the up-down direction in <FIG>) of the windscreen body <NUM>. That is, the outer peripheral surface of the windscreen body <NUM> is inclined to the center of the windscreen body <NUM> in the radial direction toward the lower end part from the central part (toward the opening side from the bottom part side of the insertion hole <NUM>) in the up-down direction.

Note that the shape of the windscreen body is not limited to the present embodiment. That is, for example, the outer peripheral surface of the windscreen body may be inclined toward the lower end part side from the upper end part side in the up-down direction, or may not be inclined (i.e., may have a columnar shape).

<FIG> is a perspective view of the fixing member <NUM>.

The fixing member <NUM> fixes the windscreen body <NUM> to the microphone <NUM> (second case <NUM>). The fixing member <NUM> is made of, for example, a translucent resin such as polymethyl methacrylate (PMMA). The fixing member <NUM> includes a light guide part <NUM>, a support part <NUM>, three fitting parts 223a, 223b and 223c, three coupling parts 224a, 224b and 224c, and a spacer <NUM>. The support part <NUM>, the fitting parts 223a-223c, the coupling parts 224a-224c, and the spacer <NUM> constitute a positioning part in the present invention. That is, the fixing member <NUM> includes the positioning part, and the positioning part includes a support part <NUM>, the fitting parts 223a-223c, the coupling parts 224a-224c, and a spacer <NUM>.

Note that the number of the fitting parts and the number of the coupling parts are not limited to "<NUM>". That is, for example, the number of the fitting parts and the number of the coupling parts may be "<NUM>" or more, or "<NUM>", or may not be the same.

The light guide part <NUM> guides the light from the light emitting display part <NUM> (see <FIG>). The light guide part <NUM> has a ring shape.

The outer diameter of the upper end part of the light guide part <NUM> is the same as the outer diameter of the lower end part of the windscreen body <NUM>, as illustrated in <FIG>. The outer diameter of the light guide part <NUM> is configured to continuously decrease (be reduced) from the upper end part toward the lower end part of the light guide part <NUM>. That is, the outer peripheral surface of the light guide part <NUM> is inclined to the center of the light guide part <NUM> in the radial direction toward the lower end part from the upper end part in the up-down direction. The inclination angle of the outer peripheral surface of the light guide part <NUM> to the up-down direction is the same as the inclination angle of the outer peripheral surface of the lower end part of the windscreen body <NUM> to the up-down direction. The inner diameter of the light guide part <NUM> is substantially the same as the outer diameter of each of the upper end parts of the first case <NUM>, the second case <NUM>, and the third case <NUM> (the inner diameter of the light guide part <NUM> is slightly larger than the outer diameter of each of the case <NUM>, <NUM> and <NUM>).

An inclination of the outer peripheral surface of the light guide part <NUM> is continuous with an inclination of the outer peripheral surface of the windscreen body <NUM> in the up-down direction (the longitudinal direction of the windscreen body <NUM>). In other words, the light guide part <NUM> includes an outer peripheral surface continuous with the outer peripheral surface of the windscreen body <NUM> in the up-down direction.

Note that the outer diameter of the light guide part is not limited to this embodiment. That is, for example, the outer diameter of the light guide part may be larger than the outer diameter of the windscreen body, or may be smaller than the outer diameter of the windscreen body.

Further, the outer peripheral surface of the light guide part may not be continuous with the outer peripheral surface of the windscreen body in the up-down direction. That is, for example, the outer peripheral surface of the light guide part, in the up-down direction, may not be inclined, or may be inclined at an inclination angle different from the inclination angle of the outer peripheral surface of the windscreen body with respect to the up-down direction.

A length L2 of the light guide part <NUM> in the up-down direction is longer than a length L1 of the light emitting display part <NUM> in the up-down direction (see <FIG>).

The inner edge part of the upper surface of the light guide part <NUM> extends upward to constitute the support part <NUM> having a cylindrical shape. The support part <NUM> supports the fitting parts 223a-223c and the coupling parts 224a-224c. The inner diameter of the support part <NUM> is the same as the inner diameter of the light guide part <NUM>. The outer diameter of the support part <NUM> is smaller than the outer diameter of the light guide part <NUM>, and larger than the inner diameter of the insertion hole <NUM> (see <FIG>).

Apart of the upper surface of the support part <NUM> extends upward to constitute the fitting parts 223a-223c having a columnar shape. The fitting parts 223a-223c fit into the fitting groove 112a of the second case <NUM>. The fitting parts 223a-223c are disposed at an equal angular interval (at the interval of <NUM> degrees in this embodiment) in the circumferential direction of the support part <NUM>. The upper end parts of the fitting parts 223a-223c project toward the center of the support part <NUM> in the radial direction.

Another part of the upper surface of the support part <NUM> extends upward to constitute the coupling parts 224a-224c having a columnar shape. The coupling parts 224a-224c couple the light guide part <NUM> with the spacer <NUM> via the support part <NUM>. The length of the coupling parts 224a-224c in the up-down direction is longer than the length of the fitting parts 223a-223c in the up-down direction. The coupling parts 224a-224c are disposed between the fitting parts 223a-223c at an equal angular interval (at the interval of <NUM> degrees in this embodiment) in the circumferential direction of the support part <NUM>.

Each of the upper ends of the coupling parts 224a-224c is bent and coupled to the center of the support part <NUM> in the radial direction to constitute a spacer <NUM> having a ring shape. The spacer <NUM> defines a gap between the bottom part (bottom surface) of the insertion hole <NUM> and the upper surface of the first case <NUM> (the upper end surface of the microphone <NUM>), as illustrated in <FIG>.

As described above, the positioning part (the support part <NUM>, the fitting parts 223a-223c, and the coupling parts 224a-224c) is integrally formed with the light guide part <NUM>.

<FIG> is an exploded perspective view of the microphone device <NUM>.

First, the fixing member <NUM> is attached to the windscreen body <NUM>. The positioning part (the support part <NUM>, the fitting parts 223a-223c, and the coupling parts 224a-<NUM> c) of the fixing member <NUM> is inserted into the insertion hole <NUM> (see <FIG>) and disposed inside the insertion hole <NUM>. The light guide part <NUM> of the fixing member <NUM> is disposed outside the insertion hole <NUM>. The lower end surface of the windscreen body <NUM> abuts against the upper surface of the light guide part <NUM>. At this stage, the insertion hole <NUM> is enlarged in diameter by the positioning part. The windscreen body <NUM> is attached to the fixing member <NUM> with, for example, an adhesive.

The windscreen <NUM> is then attached to the unit part <NUM> of microphone <NUM>. The microphone <NUM> is inserted into the insertion hole <NUM> (inside the fixing member <NUM>) from the upper end side. That is, the unit part <NUM> of the microphone <NUM> is inserted into the insertion hole <NUM> (inside the fixing member <NUM>).

When the first case <NUM> and the second case <NUM> of the unit part <NUM> are inserted into the insertion hole <NUM> (inside the fixing member <NUM>), the upper end parts of the fitting parts 223a-223c of the fixing member <NUM> are fitted into the fitting groove 112a of the second case <NUM>. As a result, the windscreen <NUM> is fixed to the microphone <NUM>. At this stage, the sound collecting part is disposed in the insertion hole <NUM>.

<FIG> is a schematic diagram illustrating the positional relationship between the microphone <NUM> and the windscreen <NUM> when the windscreen <NUM> is mounted on the microphone <NUM>. <FIG> illustrates the windscreen body <NUM> with a two-dot chain line, and the light emitting display part <NUM> with a dashed line.

When the windscreen <NUM> is fixed to the microphone <NUM>, the light guide part <NUM> is positioned on the light emitting display part <NUM> in the up-down direction (the up-down direction in <FIG>). That is, the positioning part positions the light guide part <NUM> to the light emitting display part <NUM>. As a result, the light guide part <NUM> covers the entire surface of the light emitting display part <NUM>.

Further, when the windscreen <NUM> is fixed to the microphone <NUM>, the upper end surface of the microphone <NUM> (the bottom part of the first case <NUM>) abuts against the spacer <NUM>. As a result, the spacer <NUM> of the positioning part is disposed between the bottom part (bottom surface) of the insertion hole <NUM> and the upper end surface of the microphone <NUM>. At this stage, the spacer <NUM> is disposed at a position where the spacer <NUM> does not close the first sound wave introduction ports 111h1 of the first case <NUM>.

The support part <NUM>, the fitting parts 223a-223c, and the coupling parts 224a-224c of the positioning part are disposed between the first case <NUM>, the second case <NUM>, and the inner peripheral surface of the insertion hole <NUM>. In this state, the coupling parts 224a-224c are disposed between the second sound wave introduction ports 111h2 in the radial direction of the microphone <NUM>. That is, the coupling parts 224a-224c are disposed at positions where the coupling parts 224a-224c do not close the second sound wave introduction ports 111h2.

Thus, the positioning part is disposed between the inner surface of the insertion hole <NUM> and the outer surface (upper end surface and outer peripheral surface) of the unit part <NUM> of the microphone <NUM> to define a gap therebetween, as also illustrated in <FIG>. This gap constitutes an air layer to reduce pop noise. Therefore, the generation of the pop noise at the sound collecting part caused by the wind from the outside of the microphone device <NUM> or the exhalation of the user (speaker) of the microphone device <NUM> is suppressed.

When the windscreen <NUM> is pulled upward with respect to the microphone <NUM> in a state in which the fitting parts 223a-223c are fitted into the fitting groove 112a, the fitting groove 112a and the fitting parts 223a-223c are released, and the windscreen <NUM> is removed from the microphone <NUM>. That is, the windscreen <NUM> is removable with respect to the microphone <NUM>.

<FIG> is a partially enlarged cross-sectional view of the microphone device <NUM> taken along line B-B in <FIG>.

<FIG> illustrates a state in which light from LED 115a is guided with a dashed line arrow.

When the power of the microphone device <NUM> is turned on by the user of the microphone device <NUM>, the microphone unit <NUM> (sound collecting part) (see <FIG>) can collect sound, and the LEDs 115a and 115b emit light (are lighted). The light from the LEDs 115a and 115b is diffused inside the light emitting display part <NUM> and guided to the light emitting display part <NUM>. The light guided from the LEDs 115a and 115b to the light emitting display part <NUM> is radiated from the light emitting display part <NUM> to the outside of the microphone <NUM>.

The light radiated from the light emitting display part <NUM> is incident on the light guide part <NUM>. The light incident on the light guide part <NUM> is diffused into the interior of the light guide part <NUM>, and radiated from the outer peripheral surface and the lower surface of the light guide part <NUM> to the outside of the light guide part <NUM>. That is, the visibility of the light from the LEDs 115a and 115b is good within an area from the radial direction of the light guide part <NUM> (e.g., the left-right direction in <FIG>) to the downward direction of the light guide part <NUM> (the downward direction in <FIG>). As a result, a person who visually recognizes the microphone device <NUM> from a direction in which the outer peripheral surface or the lower surface of the light guide part <NUM> is directed can easily recognize the operation state of the microphone device <NUM> (sound collecting part).

As described above, the outer diameter of the upper end part of the light guide part <NUM> is the same as the outer diameter of the lower end part of the windscreen body <NUM>. The outer peripheral surface of the light guide part <NUM> is continuous with the outer peripheral surface of the windscreen body <NUM> in the up-down direction. Therefore, the user (speaker) of the microphone device <NUM> can easily visually recognize a part of the light guide part <NUM> by simply shifting the line of sight (viewing axis) from the sound collecting axis of the microphone device <NUM>.

<FIG> is an external view illustrating a use state of the microphone device <NUM>.

<FIG> illustrates, for example, a state in which the user of the microphone device <NUM> bends the first flexible pipe <NUM> in his/her own direction to visually recognize the upper end of the microphone device <NUM> (the upper end of the windscreen <NUM>). <FIG> illustrates that a part of the light guide part <NUM> is visually recognized by the user in a crescent shape, and the operation state of the microphone device <NUM> is recognizable to the user.

According to the embodiment described above, the windscreen <NUM> is disposed outside the insertion hole <NUM> of the windscreen body <NUM> to cover the light emitting display part <NUM>, and includes a light guide part <NUM> for guiding light from the light emitting display part <NUM> to the outside. Therefore, the windscreen <NUM> does not inhibit (does ensure) the visibility of the light from the light emitting display part <NUM> of the microphone <NUM> in a state of being attached to the microphone <NUM>. That is, the visibility of the light from the light emitting display part <NUM> in the microphone device and the windscreen according to the present invention is good.

Further, according to the embodiment described above, the length L2 of the light guide part <NUM> in the up-down direction is longer than the length L1 of the light emitting display part <NUM> in the up-down direction. Therefore, the radiation area of the light from the LEDs 115a and 115b is wider as compared with when the light emitting display part <NUM> alone radiates the light. As a result, the visibility of the light from the LEDs 115a and 115b is improved.

Furthermore, according to the embodiment described above, the light guide part <NUM> has a ring shape, and the outer diameter of the light guide part <NUM> is equal to or smaller than the outer diameter of the windscreen body <NUM>. Therefore, the area of the light guide part <NUM> visually recognized by the speaker is limited. That is, the amount of light guided toward an eye of the user of the microphone device <NUM> is limited. Consequently, the speaker can visually recognize the operation state of the microphone <NUM> without feeling dazzle due to the light (light emitted by the light guide part <NUM>) from the LEDs 115a and 115b.

Furthermore, according to the embodiment described above, the light guide part <NUM> includes an outer peripheral surface continuous with the outer peripheral surface of the windscreen body <NUM> that is inclined in the up-down direction. As a result, the windscreen <NUM> has a good design and a good visibility of light.

Furthermore, according to the embodiment described above, the windscreen <NUM> includes the positioning part that positions the light guide part <NUM> on the light emitting display part <NUM>. Therefore, the user of the microphone device <NUM> can easily cover the light emitting display part <NUM> with the light guide part <NUM>.

Furthermore, according to the embodiment described above, the positioning part includes the fitting parts 223a-223c that are fitted into the fitting groove 112a disposed on the outer peripheral surface of the microphone <NUM>. The fitting between the fitting parts 223a-223c and the fitting groove 112a is released by pulling the windscreen <NUM> upward with respect to the microphone <NUM>. Therefore, the windscreen <NUM> is easily fixed (mounted) to the microphone <NUM> and is easily removable from the microphone <NUM>.

Furthermore, according to the embodiment described above, the positioning part includes the coupling parts 224a-224c and the spacer <NUM> disposed between the inner peripheral surface of the insertion hole <NUM> and the outer surface of the microphone <NUM>. Therefore, the windscreen <NUM> defines the air layer that reduces pop noise between the windscreen <NUM> and the microphone <NUM> in a state of being attached to the microphone <NUM>, while ensuring the visibility of light from the light emitting display part <NUM>.

Furthermore, according to the embodiments described above, the windscreen <NUM> is attachable to and detachable from the microphone <NUM>. Therefore, the design of the microphone <NUM> itself is ensured by removing the windscreen <NUM> from the microphone <NUM>. The speaker can also select the presence or absence of the windscreen <NUM>.

As described above, the fixing member <NUM> that fixes the windscreen body <NUM> to the microphone <NUM> radiates the light from the light emitting display part <NUM> to the outside, and accordingly the microphone device according to the present invention can indicate the operation state of the microphone device <NUM> (the sound collecting part). That is, the fixing member <NUM> has a function of fixing the windscreen body <NUM> to the microphone <NUM>, and a function of indicating the operation state of the sound collecting part. As a result, the number of components of the microphone device according to the present invention is less than the number of components of a conventional microphone device including a light guide part for guiding light from a light emitting part separately from the fixing member.

Further, the microphone device and the windscreen according to the present invention do not inhibit the miniaturization and design of the microphone <NUM>, since the light guide part <NUM> achieves the same function as enlarging the light emitting display part <NUM> in diameter.

Claim 1:
A windscreen (<NUM>) attachable to a microphone (<NUM>), wherein the microphone (<NUM>) comprises a sound collecting part (<NUM> and <NUM>) configured to collect sound and a light emitting part (<NUM>) configured to indicate an operation state of the sound collecting part (<NUM> and <NUM>), the windscreen (<NUM>) comprising:
a windscreen body (<NUM>) that is adapted to cover the sound collecting part (<NUM> and <NUM>); and
a fixing member (<NUM>) that is adapted to fix the windscreen body (<NUM>) to the microphone (<NUM>), wherein
the windscreen body (<NUM>) includes an insertion hole (<NUM>) in which the sound collecting part (<NUM> and <NUM>) is disposable,
the fixing member (<NUM>) includes a light guide part (<NUM>) that is disposed outside the insertion hole (<NUM>), and
the light guide part (<NUM>) that is adapted to guide light from the light emitting part (<NUM>),
the windscreen is characterized in that
the fixing member (<NUM>) includes a positioning part (<NUM>, 223a-223c and 224a-224c) that is disposable within the insertion hole (<NUM>),
the positioning part (<NUM>, 223a-223c and 224a-224c) is adapted to position the light guide part (<NUM>) to the light emitting part (<NUM>), and
the light guide part (<NUM>) is integrally formed with the positioning part (<NUM>, 223a-223c and 224a-224c).