KR910002162A - Data communication sound mute circuit of wireless telephone - Google Patents

Data communication sound mute circuit of wireless telephone Download PDF

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Publication number
KR910002162A
KR910002162A KR1019890009061A KR890009061A KR910002162A KR 910002162 A KR910002162 A KR 910002162A KR 1019890009061 A KR1019890009061 A KR 1019890009061A KR 890009061 A KR890009061 A KR 890009061A KR 910002162 A KR910002162 A KR 910002162A
Authority
KR
South Korea
Prior art keywords
data communication
communication sound
wireless telephone
demodulator
mute circuit
Prior art date
Application number
KR1019890009061A
Other languages
Korean (ko)
Other versions
KR920001679B1 (en
Inventor
윤성흠
Original Assignee
정용문
삼성전자 주식회사
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 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019890009061A priority Critical patent/KR920001679B1/en
Publication of KR910002162A publication Critical patent/KR910002162A/en
Application granted granted Critical
Publication of KR920001679B1 publication Critical patent/KR920001679B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers

Abstract

내용 없음No content

Description

무선전화기의 데이터 교신음 뮤트회로Data communication sound mute circuit of wireless telephone

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 무선전화기 블록 구성도,1 is a block diagram of a wireless telephone of the present invention,

제2도는 본 발명에 따른 데이터 신호 뮤트 회로도.2 is a data signal mute circuit diagram according to the present invention.

Claims (2)

무선전화기의 데이터 교신음 뮤트회로에 있어서, 고정장치의 복조부의 출력중에서 교신에 관계되는 데이터 신호의 대역을 검출하는 저역필터와, 상기 저역필터의 출력 레벨을 검출하여 규정치 이상의 DC 레벨 검출시 뮤트 신호를 발생하는 레벨검출기와, 상기 복조부와 송화회로부 사이에 접속되어 상기 뮤트신호 발생기 상기 복조부의 출력통로를 차단하는 스위치로 구성됨을 특징으로 하는 무선전화기의 데이터 교신음 뮤트회로.A data communication sound muting circuit of a radiotelephone, comprising: a low pass filter for detecting a band of a data signal related to communication among the outputs of a demodulator of a fixed device; And a level detector for generating a; and a switch connected between the demodulator and the transmitter circuit section to block an output passage of the mute signal generator and the demodulator. 제1항에 있어서, 레벨검출기가 상기 저역필터의 DC성분을 제거하는 커플링수단과, 상기 커플링 수단을 통한 데이터 신호 성분을 정류하는 수단과, 상기 정류수단의 출력을 평활하여 일정 DC레벨의 뮤트신호를 발생하는 평활수단으로 구성됨을 특징으로 하는 무선전화기의 데이터 교신음 뮤트회로.The method of claim 1, wherein the level detector comprises: a coupling means for removing the DC component of the low pass filter; a means for rectifying the data signal component through the coupling means; A data communication sound muting circuit for a radiotelephone comprising: a smoothing means for generating a mute signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890009061A 1989-06-29 1989-06-29 Muting circuit for cordlessphone KR920001679B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890009061A KR920001679B1 (en) 1989-06-29 1989-06-29 Muting circuit for cordlessphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890009061A KR920001679B1 (en) 1989-06-29 1989-06-29 Muting circuit for cordlessphone

Publications (2)

Publication Number Publication Date
KR910002162A true KR910002162A (en) 1991-01-31
KR920001679B1 KR920001679B1 (en) 1992-02-22

Family

ID=19287572

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890009061A KR920001679B1 (en) 1989-06-29 1989-06-29 Muting circuit for cordlessphone

Country Status (1)

Country Link
KR (1) KR920001679B1 (en)

Also Published As

Publication number Publication date
KR920001679B1 (en) 1992-02-22

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