JP2008028433A - Headphone with built-in antenna - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the conventional problem that a user cannot listen to sounds consisting of radio signals received with an antenna of a headphone in addition to music or sounds outputted from a sound output device. <P>SOLUTION: A headphone with a built-in antenna has a connector unit on one end, an acoustic output unit on the other end, and a relay unit in a mid-part of a cord connecting both the ends. The relay unit is provided with an antenna for receiving a radio signal, a tuner means for outputting an audio signal from the radio signal received by the antenna, a signal processing means for processing the outputted audio signal and configuring a sound, a command transmitting means for transmitting a command corresponding to input to a sound output device, and a selecting means for selecting the sounds outputted from the sound outputting means or sounds configured by the signal processing means. The headphone outputs the sounds selected by the selecting means to the acoustic output unit. The headphone enables a user to listen the sounds configured from the radio signal received by the antenna of the headphone in addition to the music or sounds outputted from the sound output device. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a headphone or the like having a built-in antenna and equipped with a radio signal tuner.

  Conventionally, there is an earphone microphone that can receive radio signals in a wide frequency band with a simple configuration and high sensitivity (see, for example, Patent Document 1). This earphone microphone is an earphone microphone having a board having a connector portion at one end, a sound output portion at the other end, and a microphone circuit in the middle of a cord connecting the both ends. The cord connecting the board and the board is configured with a parallel two-core cable, and one core wire of the parallel two-core cable functions as an antenna, and the radio signal received by this antenna is between the board and the connector section. Is transmitted through a cord for connecting the signal to the external device having tuner means.

In addition, conventional FM / TV (UHF / VHF) compatible mobile phones use earphones as tuner antennas, but in order to ensure reception sensitivity, a large number of high-frequency attenuating elements (chip beads, etc.) are mounted on the main body side. ing.
Japanese Patent Laying-Open No. 2005-354275 (first page, FIG. 1 etc.)

  However, in the conventional earphone microphone, the user can use only the music and voice output from the sound output device to which the connector unit is connected.

  Further, in the conventional FM / TV (UHF / VHF) compatible mobile phone, there is a pattern restriction around the high-frequency attenuating element on the mobile phone body side, and the substrate space including the inner layer of the substrate is sacrificed.

  The headphone with a built-in antenna according to the first aspect of the present invention has a connector portion connected to a sound output device at one end portion, a sound output portion at the other end portion, and a relay portion between the cords connecting the both end portions. A headphone with a built-in antenna, wherein the relay unit receives an input from a user, an antenna that receives a radio signal, and a tuner that outputs an audio signal from the radio signal received by the antenna. A signal processing unit that processes the audio signal output by the tuner unit and constitutes audio; a command transmission unit that transmits a command to the sound output device in response to an input received by the input receiving unit; and the command Corresponding to the command transmitted by the transmitting means, the selecting means for selecting either the sound output by the sound output device or the sound configured by the signal processing means, A built-in antenna headphones sound selection means has selected is output to the sound output unit.

  With this configuration, in addition to music and sound output from the sound output device, it is possible to view the sound constituted by the signal processing means built in the headphone with a built-in antenna. Therefore, the tuner means is, for example, an FM tuner, and a plurality of sound output devices with FM tuners can be realized by carrying the headphones with a built-in antenna and connecting them to two or more sound output devices.

  In the antenna built-in headphone according to the second aspect of the invention, in contrast to the first aspect of the invention, the tuner means is a wireless device having two or more frequencies received by the antenna in response to an input received by the input receiving means. Select one radio signal from the signal, and output an audio signal from the selected one radio signal, and when the input receiving unit continuously receives one input, the selection unit receives the continuous input. This is a headphone with a built-in antenna that seamlessly selects the sound output by the sound output device or the sound constituted by the signal processing means in response to reception of the sound.

  With this configuration, the sound output from the sound output device or the sound configured by the signal processing unit can be switched seamlessly.

  In the antenna-equipped headphone according to the third aspect of the present invention, the relay section further includes a power supply section, and the connector section is connected to a sound output device. Even if there is not, it is a headphone with a built-in antenna, which is a voice constituted by the signal processing means, and a voice obtained by the selection means is output to the acoustic output unit.

  With this configuration, it is possible to view the audio formed by the signal processing means only with the antenna built-in headphones.

  According to a fourth aspect of the present invention, there is provided a headphone with a built-in antenna according to any one of the first to third aspects, wherein the relay section includes a noise canceling means for canceling noise.

  With this configuration, the voice quality is improved.

  Further, the antenna-embedded headphone according to the fifth aspect of the invention is the antenna-embedded headphone in which the radio signal is an FM broadcast wave, as compared with any one of the first to fourth inventions.

  With this configuration, a plurality of sound output devices with FM tuner means can be realized by carrying the headphones with a built-in antenna and connecting them to two or more sound output devices.

  According to the headphone with a built-in antenna according to the present invention, in addition to music and sound output from a sound output device, the sound constituted by the signal processing means built in the headphone with a built-in antenna can be viewed.

Hereinafter, embodiments of an antenna built-in headphone and the like will be described with reference to the drawings. In addition, since the component which attached | subjected the same code | symbol in embodiment performs the same operation | movement, re-explanation may be abbreviate | omitted.
(Embodiment 1)

  FIG. 1 is a perspective view showing an example of the headphone with a built-in antenna. This headphone with a built-in antenna includes a connector part 1, an acoustic output part 2, a cord 3, a round pin type three-pole ST plug 4, and a relay part 5.

  The relay unit 5 includes an input receiving unit 51, an antenna 52, a tuner unit 53, a signal processing unit 54, a command transmission unit 55, and a selection unit 56. FIG. 2 is a block diagram illustrating a configuration example of the relay unit 5.

  The connector part 1 is one end part of the headphone with a built-in antenna and is a part connected to a sound output device. The connector unit 1 is, for example, a mobile phone 10 pin connector. The connector unit 1 may be, for example, a round pin type plug connected to a music player with a hard disk, a CD player, an MD player, or the like. That is, the sound output device is a mobile phone, a music player with a hard disk, a CD player, an MD player, or the like.

  The sound output unit 2 includes speakers 2a and 2b. The speaker 2a is, for example, a right ear speaker, and the speaker 2b is, for example, a left ear speaker.

  The cord 3 includes a first cord 31 between the connector portion 1 and the relay portion 5, and a second cord 32 between the round pin type three-pole ST plug 4 and the sound output portion 2. For example, in the case of FM reception, the first code 31 is preferably about 90 cm. Code 3 is a code for command transmission in which the command transmission unit 55 transmits a command to the sound output device, and for sound that transmits the sound output from the sound output device and the sound output from the signal processing unit 54 Code. The first code 31 includes, for example, two or more codes, that is, a command transmission code for the command transmission means 55 to transmit a command to the sound output device and an acoustic code for transmitting the sound output from the sound output device. They are collected by tubes. The second cord 32 is, for example, an acoustic cord, and two pieces for the speakers 2a and 2b are collected by a tube or the like.

  The round pin type three-pole ST plug 4 is connected to the sound output unit 2 by the second cord 32 and is inserted into the relay unit 5.

  The relay unit 5 transmits audio composed of radio signals received by the antenna of the relay unit 5 to the acoustic output unit 2, transmits audio output from the sound output device to the acoustic output unit 2, Is switched to the sound output unit 2 and the sound output from the sound output device is transmitted to the sound output unit 2. The relay unit 5 includes, for example, a single board, and includes a circuit that realizes surround, a switch circuit that controls switching between output from the tuner unit 53 and output from the sound output device, and the like. Stored in the case. The relay unit 5 exists between the cords connecting the connector unit 1 and the sound output unit 2. The relay unit 5 only needs to exist between the cords connecting the connector unit 1 and the sound output unit 2, and the detailed position of the relay unit 5 is not limited.

  The input receiving unit 51 receives input from the user. The input receiving means 51 constitutes a so-called remote controller. A specific example of the input receiving means 51 is shown in FIG. In FIG. 3, it is assumed that the tuner means 53 is an FM tuner. FIG. 3A is a left side view of the input receiving means 51. FIG. 3B is a perspective view of the input receiving unit 51. FIG. 3C is a right side view of the input receiving unit 51. In the left side view of the input receiving means 51, a HOLD button 301, a volume button 302 that is a "+" or "-" button for adjusting the volume, and a fast-forward when the sound output from the sound output device is output, FM When the sound is output from the tuner, the button 303 is used for UP channel selection. When the sound is output from the sound output device, the instruction is PLAY or STOP, and the sound from the FM tuner is output. A button 304 for instructing RESET, a rewind operation when outputting sound from the sound output device, and a button 305 for selecting a DOWN channel when outputting sound from the FM tuner. , Voice output unit 306 (not shown in the block diagram of FIG. 2) for receiving voice, microphone 307 (not shown in the block diagram of FIG. 2), M3 jack With a 08. It is preferable that the microphone that detects the ambient sound functions as a noise canceller for the ambient sound that is heard while being superimposed on the sound output. Further, in the right side view of the input receiving means 51, a switch 309 for switching ON / OFF of a noise canceling function (not shown in the block diagram of FIG. 2), a switch 310 for switching FM / music, surround (block diagram of FIG. 2). Is provided with a switch 311 for switching a mode (not shown). When the switch 311 for switching the surround mode is continuously pressed, the four modes “OFF to 1 to 2 to 3 OFF” are continuously switched. Note that the switch 309 corresponding to the noise cancellation function may be a switch that continuously switches between the four modes of “OFF to 1 to 2 to 3 OFF” instead of the ON / OFF only switch.

  The antenna 52 receives a radio signal. The radio signal is preferably an FM broadcast wave, but an AM broadcast wave, a cable TV broadcast wave, a video signal, FM multiplexed character data, satellite navigation system data, VICS (Road Traffic Information Communication System) data, etc. good. The antenna 52 usually has a length corresponding to the frequency of the received radio signal.

  The tuner means 53 outputs an audio signal from the radio signal received by the antenna 52. In addition, the tuner unit 53 selects one radio signal from radio signals having two or more frequencies received by the antenna 52 in accordance with the input received by the input reception unit 51, and an audio signal from the selected one radio signal. May be output. The tuner means 53 is, for example, an FM tuner. Further, the tuner means 53 may be an AM tuner, for example. Since the tuner means 53 can be realized by a known technique, detailed description thereof is omitted.

  The signal processing means 54 processes the sound signal output from the tuner means 53 to constitute sound. The signal processing means 54 can be realized by, for example, a circuit according to a conventional technique.

  The command transmitting unit 55 transmits a command to the sound output device in accordance with the input received by the input receiving unit 51. The command is a command such as fast forward, rewind, PLAY, and STOP. The code and data structure of the instruction are not limited.

  The selecting means 56 selects the sound output by the sound output device or the sound constituted by the signal processing means 54 in response to the instruction transmitted by the instruction transmitting means 55. The selection means 56 can be realized by an switch circuit that switches between the sound output from the sound output device and the sound constituted by the signal processing means 54. In addition, when the input receiving unit 51 continuously receives one input, the selecting unit 56 seamlessly outputs the sound output by the sound output device or the sound configured by the signal processing unit 54 according to the reception. It is preferable to select either of these. That is, for example, when the user continues to press the “UP” button of the input receiving means 51, for example, the tuning of the tuner means 53 is changed sequentially, and the selecting means 56 is changed sequentially. Next, it is preferable that the selection means 56 performs an operation of selecting the sound output from the sound output device.

  As described above, according to the present embodiment, in addition to music and sound output from the sound output device, the sound formed by the signal processing means built in the headphone with built-in antenna is transmitted by the headphone with built-in antenna with a tuner. Can watch. Accordingly, the tuner is, for example, an FM tuner, and a plurality of sound output devices with FM tuners can be realized by carrying the present headphone with built-in antenna and connecting it to two or more sound output devices.

  In the present embodiment, the input receiving means 51 is not necessarily required to switch between the sound obtained by the tuner means 53 and the sound from the sound output device. That is, for example, when the user continuously presses the button using one button such as the button 303 in FIG. 2B, the input receiving unit 51 continuously inputs one input. Then, the reception and selection means 56 may be configured to seamlessly select the sound output by the sound output device or the sound configured by the signal processing means 54 in accordance with the reception. That is, in the antenna built-in headphone, the tuner unit 53 selects a channel according to the input received by the input receiving unit 51, and the selection unit 56 receives the one input continuously. This is a headphone with a built-in antenna that seamlessly selects the sound output by the sound output device or the sound constituted by the signal processing means 54 in response to the reception. With the configuration of the antenna built-in headphone, the sound output from the sound output device or the sound configured by the signal processing means can be switched seamlessly.

  In the present embodiment, the power source for operating the relay unit 5 and the like is not shown. This is because the power source of the sound output device is used. However, the relay unit 5 may further include a power supply unit, and the sound selected by the selection unit 56 may be output to the sound output unit 2 even when the connector unit 1 is not connected to the sound output device. With this configuration, it is possible to view the audio formed by the signal processing means only with the antenna built-in headphones. Such a headphone with a built-in antenna will be described in Embodiment 2.

  Moreover, in this Embodiment, it is suitable for the relay part 5 to comprise the noise cancellation means to cancel noise. The noise canceling means can be realized by a microphone, for example.

Moreover, in this Embodiment, the relay part 5 does not need to be connected with a round pin type 3 pole ST plug. This headphone with a built-in antenna has a connector portion connected to a sound output device at one end, a sound output portion at the other end, and a relay portion in the middle of a cord connecting both ends. Headphones may be used. FIG. 4 shows a perspective view of the antenna built-in headphone in such a case.
(Embodiment 2)

  FIG. 5 is an example of a block diagram of the relay unit 50 constituting the headphones with a built-in antenna and the sound output device 10 to which the headphones with a built-in antenna are connected.

  The relay unit 50 includes an input reception unit 51, an antenna 52, a tuner unit 53, a signal processing unit 54, a command transmission unit 55, a selection unit 56, a battery 501, an antenna frequency separation unit 502, a control frequency superimposing unit 503, and an audio frequency separation unit. 504, DC separation means 505, and power supply switching means 506 are provided.

  The sound output device 10 includes a power source 101, an antenna frequency cutoff unit 102, a control frequency superimposing unit 103, a control unit 104, an audio frequency superimposing unit 105, and a sound output unit 106. The sound output device 10 is, for example, a CD player, an MD player, a hard disk player, or the like.

  The battery 501 constitutes a power source included in the relay unit 50. The battery 501 preferably functions as a power source for the relay unit 50 when the battery 501 is switched (selected) by the power switching unit 506 described later.

  The antenna frequency separation unit 502 separates radio waves from the antenna into different frequency components. The antenna frequency separation means 502 can be realized by a frequency separation film, for example.

  The control frequency superimposing unit 503 superimposes the command signal transmitted from the command transmitting unit 55 on the output voice or the like.

  The audio frequency separation unit 504 separates the frequency of the output audio.

  The direct current separating means 505 separates the direct current power component superimposed on the connection cable when the power of the relay unit 50 is supplied from the sound output device 10. The separated power source DC component can serve as a power source for the relay unit 50.

  The power supply switching unit 506 switches whether to obtain power for operating the relay unit 50 from the battery 501 of the relay unit 50 or from the power source 101 (DC separation unit 505) of the sound output device 010.

  The power source 101 is a power source for the sound output device 10.

  The antenna frequency blocking means 102 blocks only radio waves having a specific frequency among radio waves received by the antenna 52.

  The control frequency superimposing means 103 superimposes the command signal received from the relay unit 59 and passes it to the control unit 104.

  The control unit 104 performs control according to the control signal from the control frequency superimposing unit 103. The control includes, for example, fast forward, playback, rewind, stop, pause, and the like.

  The sound frequency superimposing means 105 separates the sound output from the sound output unit 106 into frequencies and superimposes them.

  The sound output unit 106 outputs sound.

  Next, specific configurations of the relay unit 50 and the sound output device 10 described with reference to FIG. 5 will be described with reference to FIG.

  6, the relay unit 50 includes an input receiving unit 51, an antenna 52, a tuner unit 53, a signal processing unit 54, a command transmission unit 55, a selection unit 56, a power source 501, a capacitor 601, a capacitor 605, a capacitor 606, a capacitor 607, An inductor 602, an inductor 603, an inductor 604, and a stabilized power source 608 are provided.

  The antenna frequency separation means 502 is realized by a capacitor 601 and an inductor 602 in FIG.

  The control frequency superimposing means 503 is realized by an inductor 603 and a capacitor 605.

  The audio frequency separation unit 504 is realized by the inductor 604.

  The DC separation unit 505 is realized by a stabilized power source 608 and a capacitor 607.

  The power supply switching unit 506 is realized by the switching unit 609.

  The sound output device 10 includes a power source 101, a control unit 104, a sound output unit 106, an inductor 1001, an inductor 1002, an inductor 1003, a capacitor 1004, a capacitor 1005, and a capacitor 1006.

  The antenna frequency cutoff means 102 is realized by an inductor 1001.

  Control frequency superimposing means 103 is realized by inductor 1002, inductor 1003, and capacitor 1004.

  The audio frequency superimposing means 105 is realized by a capacitor 1005, a capacitor 1006, and an inductor 1003.

  Although the above specific configuration is a principle circuit using an analog filter circuit based on inductance and capacitance, it is well known that there are many functionally equivalent circuits. For example, various circuit configuration methods suitable for IC integration Is used for each block as having the same effect.

  As described above, in the present embodiment, the relay unit includes the power supply unit, and even when the connector unit is not connected to the sound output device, the signal processing unit is configured to generate the audio, and the selection unit acquires the audio. Output to the output unit. Therefore, the user can view the audio constituted by the signal processing means only with the headphones with a built-in antenna.

  In each of the above embodiments, each process (each function) may be realized by centralized processing by a single device (system), or by distributed processing by a plurality of devices. May be.

  The present invention is not limited to the above-described embodiments, and various modifications are possible, and it goes without saying that these are also included in the scope of the present invention.

  As described above, the headphone with built-in antenna according to the present invention can view the sound constituted by the signal processing means built in the headphone with built-in antenna, in addition to music and sound output from the sound output device. It is useful as a headphone with a built-in antenna that can be connected to a plurality of sound output devices.

The perspective view of the antenna built-in type headphones in Embodiment 1 Block diagram of the repeater part of the headphones with built-in antenna The figure which shows the input reception means which comprise the headphone with a built-in antenna Perspective view of other headphones with built-in antenna Block diagram of a relay unit and the like constituting the headphone with a built-in antenna in the first embodiment The figure which shows the concrete composition of the repeater etc. which form the headphone with the same antenna

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Connector part 2 Sound output part 3 Code | symbol 4 Round pin type 3 pole ST plug 5 Relay part 10 Sound output device 51 Input reception means 52 Antenna 53 Tuner means 54 Signal processing means 55 Command transmission means 56 Selection means 101 Power supply 102 Antenna frequency cutoff Means 103 Control frequency superposition means 104 Control section 105 Audio frequency superposition means 106 Sound output section 501 Battery 502 Antenna frequency separation means 503 Control frequency superposition means 504 Audio frequency separation means 505 DC separation means 506 Power supply switching means

Claims (5)

A connector portion connected to the sound output device at one end, and a sound output portion at the other end,
A headphone with a built-in antenna having a relay part between cords connecting both ends,
The relay unit is
Input receiving means for receiving input from the user;
An antenna for receiving radio signals;
Tuner means for outputting an audio signal from a radio signal received by the antenna;
Signal processing means for processing the audio signal output by the tuner means and constituting the sound;
Command transmitting means for transmitting a command to the sound output device according to the input received by the input receiving means;
Corresponding to the command transmitted by the command transmission means, comprising a selection means for selecting either the voice output by the sound output device or the voice configured by the signal processing means,
Antenna built-in headphones in which the sound selected by the selection means is output to the sound output unit. The tuner means includes
In response to the input received by the input receiving means, one radio signal is selected from radio signals having two or more frequencies received by the antenna, and an audio signal is output from the selected one radio signal.
The selection means includes
When the input receiving unit continuously receives one input, the sound output by the sound output device or the sound configured by the signal processing unit is selected seamlessly according to the reception of the continuous input. The headphone with a built-in antenna according to claim 1. The relay unit further includes a power supply unit,
3. The sound output by the signal processing unit and the sound acquired by the selection unit are output to the sound output unit even when the connector unit is not connected to a sound output device. Built-in antenna headphones. The antenna built-in headphone according to claim 1, wherein the relay unit includes noise canceling means for canceling noise. The headphone with a built-in antenna according to claim 1, wherein the radio signal is an FM broadcast wave.