JP3030915U - Cordless listening system for various portable audio equipment - Google Patents

Abstract

(57) [Abstract] (Correction) [Problem] Radio wave transmitter transmits low frequency electric signals for audio output of conventional portable audio equipment such as portable radios, televisions, cassette tape players, CD players and MD players. It is a portable cordless listening system that eliminates the low frequency output wire by transmitting to the earphone by receiving it with the radio receiver built in the earphone and transmitting it to the ear.
Eliminates the inconvenience, restrictions, and discomfort caused by the cords when using conventional portable audio equipment with a cord. SOLUTION: A conventional portable audio device 1 and a built-in or independent radio wave transmitter 1-1 and a radio wave receiver 2- are provided.
2 and a voice generator 2-1.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention connects a low-frequency electric output section of a conventional portable audio device such as a portable radio / TV / cassette tape player / CD player and MD player, and an earphone / headphone which is a conversion section to sound. It is an audio system without a cord.

[0002]

[Prior art]

 Conventionally, since various types of portable audio equipment have been connected to the main body and listening parts such as earphones and headphones with a cord, the behavior is restricted by the connection cord during activities such as commuting, attending school, and working. And I felt a sense of discomfort.

[0003]

[Problems to be solved by the device]

 This plan is to release the restriction and discomfort of the behavior generated by the connection cord while using various portable audio equipment.

[0004]

[Means for Solving the Problems]

 Now, the solution means will be described with reference to the drawings. (A) Low frequency electric signals for audio output of conventional portable audio equipment 1 such as portable radios, televisions, cassette tape players, CD players and MD players, respectively. Use the radio transmitter 1-1 built into the device to convert to radio waves and transmit. (B) The electric wave transmitted in the above (a) is received by the built-in electric wave receiver 2-2 in the ear-hole insertion type earphone 2, converted into the sound by the sound generator 2-1 and transmitted to the ear.

[Operation] Since the present invention has the structure and function as described above, when using it, a conventional portable audio device is put in a bag, a handbag, a pocket of clothes, a desk, a table, or the like. Even if you put it on the top, you can enjoy the voice while acting freely with the earphone without the restrictions of the conventional connection cord.

[Embodiment] In implementing the present invention, the following can be performed. (A) By connecting to the earphone / headphone terminal 3-1 of the conventional portable audio device and transmitting this input as an electric wave, an independent electric wave transmitter 4 is used to divert a commercially available conventional portable audio device to be cordless. You can use the listening system. (B) A device that receives and listens to the output radio waves from the radio transmitter with the ear-mounted receiver 5, and wears a hat, helmet, sun visor, headphones, necklace, tie tie pin, collar, chest pocket, etc. on the human body. As an accessory to an item, a receiving device that can be received by a clip-type receiver 6 that can be attached and listens with an earphone, and a receiver that receives with a pocket receiver 7 that can be put in a chest pocket of clothes and listen with an earphone can be used. (C) The stereo left and right sounds can be transmitted on two channels and received or listened to, or received by one receiver and transmitted to the left and right earphones by a code. (D) A home telephone / interphone call sign can be received by a microphone or an electric signal, and radio waves can be transmitted to be received by various receivers of [Claims 1 and 3]. Therefore, even if both ears are blocked like listening to stereo sound, the call sign of the telephone / interphone will not be missed. (E) Bags, handbags, etc. by carrying out control functions such as various switches and volume adjustments for various audio players such as portable radios, televisions, cassette tape players, CD players, MD players, etc. with a cord and incorporating them in the pendant. It is possible to control various portable audio devices in the bag from the outside such as bags and handbags.

[Advantage of Invention] Therefore, various portable audio devices can be freely enjoyed without restriction of connection cords.

[Brief description of drawings]

FIG. 1 is a conceptual diagram of a cordless hearing system with a built-in radio transmitter of the present invention.

FIG. 2 is a conceptual diagram of a cordless listening system independent of a radio wave transmitter of the present invention.

FIG. 3 is a front view showing another embodiment of the receiving unit of the present invention.

[Explanation of symbols]

 1 is a conventional portable audio device 1-1 is an electric transmitter 2 is an ear hole insertion type earphone 2-1 is a voice generator 2-2 is a radio receiver 3 is a conventional portable audio device 3-1 is an earphone / headphone Output terminal 4 is an independent radio transmitter 4-1 is an input plug 5 is an ear-hook receiver 5-1 is an earphone 5-2 is a radio receiver 5-3 is a connection cord 6 is a clip-type receiver 6-1 Earphone 6-2 is a radio receiver 6-3 is a connection cord 6-4 is a clip 7 is a pocket receiver 7-1 is an earphone 7-2 is a radio receiver 7-3 is a connection cord

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[Procedure amendment]

[Submission date] May 23, 1996

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 2

[Correction method] Change

[Correction content]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 3

[Correction method] Change

[Correction content]

Claims (3)

[Scope of utility model registration request] Claims: 1. A radio transmitter 1-1 in which a low-frequency electric signal for audio output of a conventional portable audio device 1 such as a portable radio / TV / cassette tape player / CD player and MD player is incorporated. The low-frequency output wire was lost by transmitting it in the form of a radio wave that was transmitted to the earphone insertion type earphone 2 and received by the built-in radio wave receiver 2-2 and converted into voice by the voice generator 2-1 and transmitting to the ear. A cordless listening system with a built-in radio transmitter. 2. An independent radio transmitter 4 which can be connected to an earphone / headphone output terminal 3-1 of a conventional portable audio device 3, such as a portable radio / TV / cassette tape player / CD player and MD player.
A cordless listening system independent of a radio wave transmitter in which a low-frequency electric signal for input voice is converted into a radio wave to be transmitted and received by the earphone insertion type earphone 2 of [Claim 1], and is converted into a voice for listening. 3. An ear-hook type reception having an earphone 5-1 / a radio wave receiver 5-2 / a connection cord 5-3 for applying an output radio wave from the radio wave transmitter of [claim 1 and 2] to the back of the ear. A device for receiving and listening with the device 5, and a radio wave receiver 6 of a clip type receiver 6 that can be attached to the upper body wearing object such as a hat, a helmet, a sun visor, a headphone, a necklace, a necktie pin, a collar and a chest pocket. 2 and then received by the reception device 7-2 of the pocket receiver 7 that is received in the earphone 6-1 via the connection cord 6-3 and the earphone 6-1 and the connection cord 7
A cordless listening system that eliminates the connection cord of a conventional portable audio device such as a receiving device that listens to the earphone 7-1 via -3.