KR20090010293A - An earphone type wireless transmitter-receiver for a cellular phone - Google Patents

An earphone type wireless transmitter-receiver for a cellular phone Download PDF

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Publication number
KR20090010293A
KR20090010293A KR1020070073264A KR20070073264A KR20090010293A KR 20090010293 A KR20090010293 A KR 20090010293A KR 1020070073264 A KR1020070073264 A KR 1020070073264A KR 20070073264 A KR20070073264 A KR 20070073264A KR 20090010293 A KR20090010293 A KR 20090010293A
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KR
South Korea
Prior art keywords
signal
converter
mobile phone
wireless
central processing
Prior art date
Application number
KR1020070073264A
Other languages
Korean (ko)
Inventor
전형진
Original Assignee
전형진
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 전형진 filed Critical 전형진
Priority to KR1020070073264A priority Critical patent/KR20090010293A/en
Publication of KR20090010293A publication Critical patent/KR20090010293A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
    • H04R2201/107—Monophonic and stereophonic headphones with microphone for two-way hands free communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention relates to a wireless earphone transmitting and receiving device for a mobile phone, and in particular, the earphone for a mobile phone is divided into a wireless transmitting unit (A) and a wireless receiving unit (B) having the same frequency signal, but the wireless transmitting unit (A) is a mobile phone ( A sound detector 11 for detecting a sound output from the speaker 31 of C) and sending a signal to the central processing unit 1; An analog / digital converter 12 for converting an analog signal transmitted through the speaker terminal 32 of the mobile phone C into a digital signal and transmitting the digital signal to the central processing unit 1; A D / A converter (13: Digital / Analog converter) connected to the central processing unit 1 and converting a digital signal into an analog signal and transferring the digital signal to the microphone terminal 33 of the mobile phone C; When a signal is input through the sound detector 11, the wireless transmitter / receiver A and B are changed from the standby state to the operating state, and the A / D converter 12 and the D / A converter 13 are controlled. A central processing unit 1; It is connected to the central processing unit (1) comprises a signal input / output unit 14 for inputting / outputting the signal of the wireless receiving unit (B), the wireless receiving unit (B) receives the signal of the wireless transmitting unit (A) A signal input / output section 23 for outputting / outputting; Earphone output speaker 25 for transmitting a variety of sounds of the mobile phone (C) to the user; Earphone microphone 26 for transmitting the user's voice to the wireless transmitter (A); A D / A converter 21 for converting a digital signal transmitted from the wireless transmitter A into an analog signal and outputting sound to the earphone output speaker 25; An A / D converter 22 for converting an analog audio signal of the user input through the earphone microphone 26 into a digital signal and transmitting the same to the central processing unit 2; The D / A converter 21 and the A / D converter 22 are controlled, and at the same time, the call switch 24 is installed.

Description

An earphone type wireless transmitter-receiver for a cellular phone

The present invention relates to a wireless earphone transmitter and receiver for a mobile phone, and more specifically, the user can wirelessly receive and use all the sounds of a mobile phone through a wireless earphone transmitter and a receiver. It would be.

In general, mobile phones are convenient for many people because they can talk at any time regardless of space and place.

However, when using such mobile phones in public places (subway, indoors, buses, etc.), they cause noise damage to people around them, and they prohibit their use because they have problems that may cause traffic accidents when driving. .

Therefore, in the related art, a wired earphone is connected to a mobile phone and used a lot.

The wired earphones are limited in distance due to the limitation of wired wires, and the mobile phones are not convenient to use only earphones because they are placed in the bag. If you do not receive a phone call it was very difficult to answer quickly.

The present invention constitutes a mobile phone earphone with a wireless transmitting and receiving device to solve the above problems, eliminating the distance limitation between the mobile phone and the earphone and at the same time using the call and various functions (music, bell, movie, etc.) It was convenient to use.

Hereinafter, the present invention with reference to the accompanying drawings in detail.

The present invention is configured to divide the earphone for the mobile phone into a wireless transmitter (A) and a wireless receiver (B) having the same frequency signal,

The wireless transmitter A includes a sound detector 11 for detecting a sound output from the speaker 31 of the mobile phone C and sending a signal to the central processing unit 1;

An analog / digital converter 12 for converting an analog signal transmitted through the speaker terminal 32 of the mobile phone C into a digital signal and transmitting the digital signal to the central processing unit 1;

A D / A converter (13: Digital / Analog converter) connected to the central processing unit 1 and converting a digital signal into an analog signal and transferring the digital signal to the microphone terminal 33 of the mobile phone C;

When a signal is input through the sound detector 11, the wireless transmitter / receiver A and B are changed from the standby state to the operating state, and the A / D converter 12 and the D / A converter 13 are controlled. A central processing unit 1;

Is connected to the central processing unit (1) and comprises a signal input / output unit 14 for inputting / outputting the signal of the wireless receiving unit (B),

The radio receiver (B) includes a signal input / output unit (23) for inputting / outputting a signal of the radio transmitter (A);

Earphone output speaker 25 for transmitting a variety of sounds of the mobile phone (C) to the user;

Earphone microphone 26 for transmitting the user's voice to the wireless transmitter (A);

A D / A converter 21 for converting a digital signal transmitted from the wireless transmitter A into an analog signal and outputting sound to the earphone output speaker 25;

An A / D converter 22 for converting an analog audio signal of the user input through the earphone microphone 26 into a digital signal and transmitting the same to the central processing unit 2;

The D / A converter 21 and the A / D converter 22 are controlled together with the central processing unit 2 provided with the call switch 24.

Since the present invention configured as described above allows a call through a wireless earphone

Since there is no line between the mobile phone and the earphone, it is very convenient to use, and the mobile phone can be stored in a bag or a separate place (close to the user) and used. ) Can be used conveniently.

In order to describe the present invention in more detail, first, the wireless earphone for mobile phones is divided into a wireless transmitter A and a wireless receiver B having the same frequency signal, and thus the wireless transmitter A is a mobile phone. It is connected to the input / output terminal of (C), and the wireless receiving unit (B) hangs on the user's ear.

Here, the speaker terminal 32, the microphone terminal 33, the power supply terminal 34, the data terminal (not shown) and the like are provided in the input and output terminals of the mobile phone, the wireless transmission unit (A) presented here in the present invention. Connect with connector.

Then, the wireless transmitter A operates by receiving power through the mobile phone C, and the wireless receiver B operates by receiving power through a separate power device (small battery).

As described above, when the transmitter and receiver of the wireless earphone proposed in the present invention are installed and worn on the cellular phone and the user, the wireless transmitter / receiver is always in a communication standby state.

And when the user later uses the mobile phone (C) or the ringing bell and other sounds are output through the speaker 31 of the mobile phone (C),

The sound detector 11 configured in the wireless transmitter A detects the sound generated by the mobile phone speaker 31 and transmits the detected signal to the central processing unit 1 of the wireless transmitter A, and at the same time In the central processing unit 1, as soon as the detection signal is input, the wireless transmission / reception unit (A) (B) is switched from the standby state to the operation state.

At this time, if the call is in a standby state, the wireless transmitter / receiver (A) (B) does not operate at all, so no sound is output through the wireless receiver (B).

However, when the call standby state is switched to the operating state through the above process, all the sounds (button tone, ring tone, other operation sound, etc.) generated in the mobile phone (C) through the wireless transmitter (A) wireless receiver (B) It is delivered to) and printed to the user.

That is, when sound is generated through the speaker 31 of the mobile phone C, the sound detection unit 11 detects this and sends a signal to the central processing unit 1, and at the same time receives the signal. In (1), the wireless transmitting / receiving unit (A) (B) is switched to an operating state (ON) to receive input and output signals to each other.

When the wireless transmitter / receiver is switched to the operating state, all sound signals of the mobile phone C are transferred to the central processing unit 1 through the A / D converter 12 of the wireless transmitter installed in the input / output terminal of the mobile phone C. And at the same time, the central processing unit 1 again outputs the signal to the wireless receiving unit B through the signal input / output unit.

At this time, since the signal transmitted from the mobile phone (C) is an analog signal, it is converted into a digital signal through the A / D converter 12 and transmitted.

In addition, as described above, the signal output from the wireless transmitter A is input to the signal input / output unit 23 of the wireless receiver B and transmitted to the central processing unit 2 of the wireless receiver B.

Then, the central processing unit 2 of the wireless receiving unit B reproduces the signal as a sound to the user through the D / A converter 21 and the output speaker 25 of the wireless receiving unit B.

At this time, the D / A converter 21 of the radio receiver B converts the digital signal back into an analog signal so that sound can be output to the output speaker 25.

As described above, the wireless earphone transmitting / receiving device proposed in the present invention automatically transmits and receives all sounds of the cellular phone when the cellular phone is used to be delivered to the user. You can easily check, and also get the advantage of wireless listening to music using a mobile phone.

And when the ringing bell ringing in the mobile phone (C), the user wants to call, the call switch 24 installed in the wireless receiving unit (B) is operated, in this case by operating the call switch 24, the wireless receiving unit ( The central processing unit 2 of B) detects this, activates the microphone 26, and simultaneously transmits a switch signal to the central processing unit 1 of the wireless transmitting unit A, and receives the signal. The central processing unit 1) transmits a short signal between the microphone and the speaker to the mobile phone C to allow the call.

In addition, in the central processing unit 1 of the wireless transmitter A, the wireless transmitter / receiver A continuously operates while the output of the sound of the mobile phone C is detected from the sound detector 11. Keep it ON and, if there is no sound output, turn the radio transmitter / receiver (A) (B) into standby (OFF).

1 is a block diagram of a transmission and reception apparatus proposed in the present invention.

* Code descriptions for the main parts of the drawings

A: wireless transmitter B: wireless receiver

C: Mobile Phone 1: Central Processing Unit

11: sound detector 12: A / D converter

13: D / A Converter 14: Signal Input / Output

2: central processing unit 21: D / A converter

22: A / D converter 23: signal input / output

24: call switch 25: output speaker

26: microphone

Claims (1)

The earphone for the mobile phone is composed of a wireless transmitter (A) and a wireless receiver (B) having the same frequency signal, The wireless transmitter A includes a sound detector 11 for detecting a sound output from the speaker 31 of the mobile phone C and sending a signal to the central processing unit 1; An analog / digital converter 12 for converting an analog signal transmitted through the speaker terminal 32 of the mobile phone C into a digital signal and transmitting the digital signal to the central processing unit 1; A D / A converter (13: Digital / Analog converter) connected to the central processing unit 1 and converting a digital signal into an analog signal and transferring the digital signal to the microphone terminal 33 of the mobile phone C; When a signal is input through the sound detector 11, the wireless transmitter / receiver A and B are changed from the standby state to the operating state, and the A / D converter 12 and the D / A converter 13 are controlled. A central processing unit 1; Is connected to the central processing unit (1) and comprises a signal input / output unit 14 for inputting / outputting the signal of the wireless receiving unit (B), The radio receiver (B) includes a signal input / output unit (23) for inputting / outputting a signal of the radio transmitter (A); Earphone output speaker 25 for transmitting a variety of sounds of the mobile phone (C) to the user; Earphone microphone 26 for transmitting the user's voice to the wireless transmitter (A); A D / A converter 21 for converting a digital signal transmitted from the wireless transmitter A into an analog signal and outputting sound to the earphone output speaker 25; An A / D converter 22 for converting an analog audio signal of the user input through the earphone microphone 26 into a digital signal and transmitting the same to the central processing unit 2; Wireless earphone transmission and reception device for a mobile phone, characterized in that it comprises a central processing unit (2) equipped with a call switch (24) while controlling the D / A converter (21) and A / D converter (22).
KR1020070073264A 2007-07-23 2007-07-23 An earphone type wireless transmitter-receiver for a cellular phone KR20090010293A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070073264A KR20090010293A (en) 2007-07-23 2007-07-23 An earphone type wireless transmitter-receiver for a cellular phone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070073264A KR20090010293A (en) 2007-07-23 2007-07-23 An earphone type wireless transmitter-receiver for a cellular phone

Publications (1)

Publication Number Publication Date
KR20090010293A true KR20090010293A (en) 2009-01-30

Family

ID=40489492

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070073264A KR20090010293A (en) 2007-07-23 2007-07-23 An earphone type wireless transmitter-receiver for a cellular phone

Country Status (1)

Country Link
KR (1) KR20090010293A (en)

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