JP2000032580A - Headset - Google Patents

Abstract

PROBLEM TO BE SOLVED: To makes operability, workability and attachment/detachment easier and to enable transmission/reception of sound information without disturbing free operation of a fitter, by having either a transmission part or a reception part and a power source incorporated in a pair of right and left containing bodies and equipping a fixed head band and a movable head band. SOLUTION: This device is equipped with a contain case 1 constituted of a pair of right and left containing cases 1R and 1L. Also, the device is formed into a U-shape by a rigid material, for example, a stainless plate having elasticity and is equipped with a fixed head band 3 which has both ends fixed to the pair of right and left containing cases 1R and 1L respectively, and a movable head band 5 which is formed into the U-shaped letter by the rigid material and is slidably supported back and forth respectively by the pair of right and left containing cases 1R and 1L. Then, a circuit substrate for containing circuits, such as an FM modulation or a transmission signal drive circuit, a battery part 17, a loudspeaker part 19 and the like are contained inside the containing cases 1. Thus, the transmission part, the reception part and the battery are incorporated inside the containing body and then integrated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a headset for mounting a microphone or a speaker on a head, and more particularly to a headset which sufficiently responds to a violent movement of a wearer and has an excellent wearing feeling. .

[0002]

2. Description of the Related Art Generally, guidance work is performed at places where noise is extremely loud, for example, at airfields, various construction sites, factories, and the like where jet engine noise is loud, conversation communication within aircraft, vehicles and ships, and guidance during traffic control. For wireless communication in conversations, etc., use a headset with a speaker near the ear,
By arranging the microphone close to the mouth, information was transmitted more reliably. A wireless communication device using such a headset includes a wireless device, a power supply, a bone conduction microphone, a headset, and the like, and each is connected by a connection cord.

A conventional headset device used by being worn on the head, for example, a headphone, generally has a structure as shown in FIG. In the figure, arrow A indicates a lateral pressure direction for pressing the earpad portion of the headphone on the head, arrow B indicates a movable direction for adjusting the earpad portion to the position of the wearer's ear, and arrows C and D indicate the same. It shows a movable direction for adjusting the earpad portion to the shape of the wearer's head.

There is a problem that when the headphones are worn to perform a certain operation (such as shaking the head left and right, facing down, and jumping), the headphone is easily detached from the head. Also, trying to solve those problems with the conventional structure,
The side pressure of the main body must be increased with respect to the head, causing a problem of giving the wearer discomfort. In addition, the structure becomes complicated, and a drawback that the cost is increased is caused.

[0005]

However, in the conventional headset, the battery storage unit and the transmission / reception unit are formed separately from the microphone and must be connected to each other by a cable such as a cord. Operability and workability are impaired, and the user needs a belt or pocket to attach a case containing the battery and the transmission unit,
This made it difficult to put on and take off the headset.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is possible to reliably transmit and receive voice information without interfering with the operability, workability, easy attachment and detachment, and free movement of a wearer. It is intended to provide a headset.

[0007]

In order to achieve the above-mentioned object, according to the first aspect of the present invention, at least a voice signal input via a microphone is converted into an infrared signal and transmitted and output. And a pair of left and right housings for accommodating one of a receiving unit for converting an input infrared signal into an audio signal and outputting the sound through a speaker, and a power supply unit for supplying electric power. And a fixed headband formed in a U-shape by a rigid member and provided in each of the pair of housings so as to be swingable in the front-rear direction and formed in a U-shape by the rigid member. And a movable headband.

According to the first aspect of the present invention, at least one of the transmitting unit and the receiving unit and a power supply are incorporated in a pair of right and left housings (left and right headsets), and all of them are integrated to reduce the size and weight. This eliminates the need for a connection cord for a wireless device, a microphone, a headset, etc., and furthermore, has a fixed head band and a movable head band and is attached to the head, so that a certain amount of operation (shaking the head left and right) ,
Even if the player turns downward, jumps, etc., it does not easily come off the head, and does not hinder singing and lectures in a theater or the like, or free movement in a room where a so-called karaoke device is installed.

According to a second aspect of the present invention, in the configuration of the first aspect, the microphone for outputting an audio signal to the transmission unit is connected to one of the right and left housings. The gist is to be provided at the tip of the arm portion having

According to a third aspect of the present invention, in the configuration of the first aspect, the rigid member constituting the movable headset is a plate-shaped spring member and swings rearward. Accordingly, the plate-like spring member is twisted, and the holding state of the pair of left and right containers is changed.

According to a fourth aspect of the present invention, in the configuration of the first aspect, the transmitting unit has a plurality of infrared light emitting diodes for transmitting infrared signals in multiple directions. Make a summary.

Further, the invention according to claim 5 is characterized in that the power supply unit stops supplying power when a voice input from a microphone does not exceed a predetermined time.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing a configuration of a headset HS according to one embodiment of the present invention.

The headset HS shown in FIG. 1 is roughly formed in a U-shape by a housing case 1 composed of a pair of left and right housing cases 1R and 1L and a rigid member, for example, an elastic stainless plate. A fixed headband 3 (see FIG. 1C) whose both ends are fixed to the pair of left and right housing cases 1R and 1L, respectively, is formed in a U-shape by the same rigid member, and is swingable in the front-rear direction. The movable headband 5 is supported by a pair of left and right storage cases 1R and 1L, respectively, and the flexible arm 7 is fixed to the lower end of the storage case 1L and holds the microphone unit 9 at the front end thereof. .

On the outer side surfaces of the pair of left and right housing cases 1R and 1L, dome-shaped light-emitting portion covers 13 made of black plastic that transmits infrared light are provided, respectively. Is a plurality of light emitting elements 15 for transmission, specifically, three infrared light emitting diodes 1
5a, 15b and 15c are respectively installed. When the headset HS is mounted on the head, the infrared light emitting diode 15a emits infrared light in the forward direction F and emits infrared light so that the infrared light
Emits infrared light in the backward direction B, and further, the infrared light emitting diode 15c emits infrared light in the left direction L (the infrared light emitting diode 15c of the storage case 1R is right direction R). A power switch 11 with a lamp is provided above the light emitting unit cover 13 on the outer side surface of the housing case 1. Using the power switch 11 with the lamp, the power of the headset HS is turned on and off.

On the inner side surface of the housing case 1, there is provided a speaker hole for outputting the sound of the speaker unit 19 built in the housing case 1.

Further, on the bottom surface of the housing case 1, FIG.
As shown in (b), a charging terminal 21 (jack) is provided.

The housing case 1 has an F
A circuit board that houses circuits such as an M modulation and transmission signal drive circuit, a battery unit 17, a speaker unit 19, and the like are housed.

Next, the operation of the present embodiment will be described with reference to FIGS.

First, the operation will be briefly described. An audio signal input from the microphone unit 9 is FM-modulated and amplified by an FM modulation and transmission signal drive circuit or the like built in the housing case 1, and the light-emitting element 15, ie, Light is output as optical signals from the three infrared light emitting diodes 15a, 15b, 15c.

The output optical signal is received by light receiving elements provided in, for example, four directions in a room (for example, a theater or a karaoke box), and is output as sound via an acoustic device. Similarly, light-emitting elements are provided in four directions in the room, and optical signals from the light-emitting elements are received by light-receiving elements incorporated in the housing case 1 and output as sound via the speaker unit 19.

Next, the operation of the fixed headband 3 and the movable headband 5 will be described.

Fixed headband 3, movable headband 5
Both use a stainless steel plate with a spring property inside and have an angle of about 60 ° when closed. This is to apply a certain amount of lateral pressure when applied to the head (see FIG. 3).

In this state, both the fixed headband 3 and the movable headband 5 are moved XY with respect to the headset HS main body.
It only gives an angle of about 60 ° in the direction only,
The one (movable headband 5) is opened at about 90 ° Z direction (rearward) with respect to the other (fixed headband 3), whereby the stainless steel plate 3a in the headband is twisted, and the stainless steel plate 3a is twisted. Will swing about 20 degrees in the Z direction.

That is, since the side surface of the human head is not parallel, the human head can be more stably mounted by shaking by 20 degrees. Also, by opening the legs, the back of the head is supported back and forth (see FIG. 4), and a certain amount of motion (shaking the head left and right, turning downward, bouncing, etc.) is performed while wearing the headset HS. Also hard to come off the head. Also, depending on how the hair on the back of the head is bundled,
The position can be adjusted as appropriate.

Further, when the headset HS is not used, the movable headband 5 can be closed and folded compactly, and the structure is easy to handle and hang on the hanger 41 of the charger 40.

Next, the configuration of the charger 40 will be described. A hanger 41A and a hanger 41B are provided upright on the upper surface of the charger 40. On top of this hanger 41, a headset H
A hook for hanging S is provided. Also, the charger 40
A power supply jack 43 is provided on the side of the power supply jack 43. A power supply plug 45a is attached to the power supply jack 43, and the AC / DC converter 45
At b, the power converted to the predetermined DC voltage is supplied. Further, charging power is supplied to the headset HS via the power cord 47, the power plug 47a, and the charging terminal 21 of the headset HS. At this time, while receiving the supply of power through the charging terminal 21, the headset H
It is also possible to use S.

Next, the operation of this embodiment will be described with reference to the circuit configuration of the headset shown in FIG.

The AF signal input from the microphone 101 is amplified by the microphone amplifier 103, and the compression unit 105 performs logarithmic compression processing. The logarithmically compressed AF signal is again amplified by the amplifier 107 and then input to the FM modulator 109. On the other hand, the 38.4 kHz or 35.7 kHz tone signal obtained by the oscillator 117 is
9 and to the FM modulator 109 together with the AF signal.

The FM modulator 109 generates and outputs an FM-modulated carrier frequency based on the input AF signal and tone signal. The carrier wave is amplified by the RF amplifier 111, and the amplified carrier wave drives the infrared light emitting diodes (IR / LED) 115 (115a, 115b) by the LED driver 113 (113a, 113b) to generate an infrared light signal. Output.

In order to prevent the user from forgetting to turn off the power when the microphone 101 is not used, the AF signal output from the microphone 101 is amplified by the microphone amplifier 103, and the amplified AF signal is amplified by the audio detection unit 1.
When the input level is equal to or higher than the specified level, the operation of the timer 123 is restricted, and when the input signal is equal to or lower than the specified level, the operation of the timer 123 is started. For example, when the input level is lower than the specified level for about 10 minutes, the flip-flop 125 is controlled to turn off the power.

That is, the headset HS is provided with a power switch 11 with a lamp as a switch for turning on / off the power supply. If it continues for several tens of minutes, the power is automatically turned off, the LED of the power switch 11 with the lamp is automatically turned off to notify that the power switch has been turned off, and the power switch 11 with the lamp is turned on when using again. I do. The power on at this time may be performed by voice input.

The power supply section 127 is chargeable by using a nickel hydrogen battery. At this time, it goes without saying that a dry battery, which is a normal primary battery, may be used.

The power of the power supply unit 127 is supplied to the power control unit 1
The signal is supplied to the DC / DC converter 133 via the DC / DC converter 31. The DC / DC converter 133 is connected to the power supply unit 127.
The power of 4 V is boosted to about 4.2 V, output, and supplied to the regulator 135. This regulator 13
Reference numeral 5 designates the output of the DC / DC converter 133 as a stabilized power supply of 3.5V.

The voltage detection unit 137 controls the power control unit 13.
1 is detected, and the lighting of the light emitting diode (LED) 143 is set to green L by setting, for example, 2.1 V as a threshold.
The voltage can be easily checked by switching from the ED 143a to the red LED 143b.

Next, the operation will be described with reference to the circuit configuration of the charger 40 shown in FIG. As shown in FIG.
0 is the switch unit 151, 155, 161 and the timer unit 1
53, a light emitting diode (LED) 157, and a current control unit 159. The charging current is controlled by the current control unit 159, and the charging time is controlled by the timer unit 153.

As described above, in the present embodiment, a transmitting unit and a receiving unit (two-way communication or voice transmission control circuit (VOX) for a radio transmission / reception circuit) are employed in a pair of left and right containers (left and right headsets). The wireless transmission / reception circuit board) and the power supply (battery) are built in and integrated, and the speaker, the bone conduction microphone, and the antenna line fixed along the headband are integrated with the headset. In addition, the necessity of the relay cord is eliminated, and the fixed head band and the movable head band are used for mounting on the head.

Specifically, in the headset of the wireless microphone, the battery unit and the transmitting unit are integrated with the microphone unit and housed in one unit, so that the battery case and the transmitting unit are housed in another case as in the related art. No longer needed
The code that relayed them is no longer necessary. As a result, only the headset needs to be worn for easy operation.

The headband used at this time has a 90 ° opening / closing mechanism, so that it can be stably fixed to the head.
Also, when not in use, it can be made into a compact size that is easy to store.

In order to direct the IR (infrared) light emitting LED of the transmitting section in the forward, rearward, and lateral (right and left) directions, LEDs are provided in three directions on one side to eliminate the directivity by the direction. . In addition, a pair of left and right storage cases 1
Since it is provided for each of R and 1L, the transmission power is enhanced depending on the direction, and stable transmission is enabled. At this time, so-called diversity reception may be performed.

When the audio signal from the microphone section or the silent state continues for several minutes to several tens of minutes, the power is automatically turned off, so that battery consumption can be prevented.

In the above embodiment, the case where the present invention is applied to a headphone type with a microphone has been described as an example. However, the present invention is not limited to this. For example, a headset only with a microphone or a headset only with headphones,
Furthermore, it goes without saying that the present invention can be applied to an appropriate device such as 3D glasses.

[0044]

According to the present invention, at least one of the transmitting section and the receiving section and a power supply are incorporated in a pair of right and left housings (left and right headsets), and all of them are integrated to reduce the size and weight of the radio. It eliminates the need for connection cords for the machine, microphone, headset, etc., and has a fixed headband and a movable headband to be worn on the head, making it difficult for the wearer to come off the head and hinder the operation of the wearer. Nothing.

Further, since a plate-shaped spring member is used as a rigid member constituting the movable headset, the head can be more reliably held by the torsion of the plate-shaped spring member. Further, since a plurality of infrared light emitting diodes are provided and infrared signals are transmitted in multiple directions, the signals can be reliably transmitted regardless of the movement of the wearer.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a schematic external configuration of a headset according to an embodiment of the present invention.

FIG. 2 is a diagram showing a state in which a movable headband of the headset shown in FIG. 1 is in an open state.

FIG. 3 is a diagram showing a difference in shape due to opening and closing of a movable headband of the headset shown in FIG. 1;

FIG. 4 is a diagram illustrating a use state of the headset illustrated in FIG. 1;

FIG. 5 is a perspective view showing an external configuration of a charger.

FIG. 6 is a block diagram showing a circuit configuration of the headset shown in FIG. 1;

FIG. 7 is a block diagram showing a circuit configuration of the charger shown in FIG.

FIG. 8 is a perspective view showing the appearance of a conventional headphone.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing case 3 Fixed headband 5 Movable headband 7 Flexible arm 9 Microphone unit 11 Power switch with lamp 13 Light emitting part cover 15 Light emitting element 17 Battery part 19 Speaker part 21 Charging terminal

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[Procedure amendment]

[Submission date] July 14, 1998 (1998.7.1)
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 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Ken Sato 3-12-12 Moriyacho, Kanagawa-ku, Yokohama-shi, Kanagawa Prefecture Inside Japan Victor Company of Japan (72) Shinya Kiryu 3--12 Moriyacho, Kanagawa-ku, Yokohama-shi, Kanagawa Prefecture Address Victor Company of Japan, Ltd. (72) Inventor Koichi Nagai 1-12-17 Kamedarijaku, Mitaka-shi, Tokyo F-term inside Atsuden Corporation (reference) 5D005 BD03 BD08 BD13

Claims (5)

[Claims] 1. A transmitting unit for converting at least a voice signal input through a microphone into an infrared signal and transmitting and outputting the infrared signal, and a receiving unit for converting the input infrared signal into a voice signal and outputting the voice via a speaker. A pair of left and right housings for housing either one of them and a power supply unit for supplying electric power; a fixed headband fixed to each of the pair of housings and formed in a U shape by a rigid member; And a movable headband provided in each of the containers so as to be swingable in the front-rear direction and formed in a U-shape by a rigid member. 2. The microphone according to claim 1, wherein the microphone that outputs an audio signal to the transmission unit is provided at a tip of a flexible arm connected to one of the left and right housings. headset. 3. A rigid member constituting the movable headset is a plate-like spring member, and the plate-like spring member is twisted by swinging rearward, and the holding state of the pair of left and right containers is changed. 2. The headset according to claim 1, wherein the headset is changed. 4. The headset according to claim 1, wherein the transmitting unit has a plurality of infrared light emitting diodes for transmitting infrared signals in multiple directions. 5. The headset according to claim 1, wherein the power supply unit stops supplying power when a voice input from a microphone does not exceed a predetermined time.