KR910008992A - Radio reception method and circuit in portable radiotelephone - Google Patents

Radio reception method and circuit in portable radiotelephone Download PDF

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Publication number
KR910008992A
KR910008992A KR1019890014946A KR890014946A KR910008992A KR 910008992 A KR910008992 A KR 910008992A KR 1019890014946 A KR1019890014946 A KR 1019890014946A KR 890014946 A KR890014946 A KR 890014946A KR 910008992 A KR910008992 A KR 910008992A
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KR
South Korea
Prior art keywords
radio
power supply
switching
portable radiotelephone
portable
Prior art date
Application number
KR1019890014946A
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Korean (ko)
Inventor
하상욱
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정용문
삼성전자 주식회사
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Publication date
Application filed by 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019890014946A priority Critical patent/KR910008992A/en
Publication of KR910008992A publication Critical patent/KR910008992A/en

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Abstract

내용 없음No content

Description

휴대용 무선전화기에 있어서 라디오 수신방법 및 회로Radio reception method and circuit in portable radiotelephone

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 따른 블럭도,1 is a block diagram according to the present invention,

제2도는 본 발명에 따른 제1도의 라디오 전원스위칭부(10)의 구제회로도.2 is a relief circuit diagram of the radio power switching unit 10 of FIG. 1 according to the present invention.

Claims (5)

휴대용 무선전화기의 FM/AM 라디오 신호 수신방법에 있어서, 상기 휴대용 무선전화기에 선택되는 무선전화기 및 라디오 수신 모드를 체크하여 라디오 인에이블 발생하는 제1과정과, 상기 제1과정의 인에이블 신호에 따라 상기 휴대용 무선전화기의 전원공급을 스위칭하는 제2과정과, 상기 제2과정의 전원스위칭에 따라 상기FM/AM 라디오 수신기로 전원이 공급되어 해당 라디오 방송을 청취하는 제3과정으로 이루어짐을 특징으로 하는 방법A method for receiving an FM / AM radio signal of a portable radiotelephone, the method comprising: checking a radiotelephone and a radio reception mode selected for the portable radiotelephone and generating radio enable, and according to the enable signal of the first process And a third process of switching the power supply of the portable radiotelephone and a third process of supplying power to the FM / AM radio receiver according to the power switching of the second process and listening to a corresponding radio broadcast. Way 무선전화용 안테나(ANT2)에 듀플렉셔(1)가 연결되고 상기 듀플렉셔(1)로 부터 송수신기(2,4)를 연결하며, 상기 송수신기(2,4)를 통한 송수신 오디오신호를 처리하는 오디오처리부(5)에 주파수 합성기(3)를 연결하고, 상기 오디오 처리부(5)를 통해 발생되는 신호로부터 제어논리 신호를 발생하는 논리부(12)를 연결하고, 상기 오디오 처리부(5)에 핸드셀(20)를 연결하며, 상기 각부 및 논리부(12)에 전원을 공급하는 전원부(9)로 구성된 부분이 휴대용 무선전화기(100)에 있어서, 상기 휴대용 무선전화기(100)의 논리부(12)를 통해 휴대용 무선전화기 호출에 따른 신호에 의해 FM/AM 라디오 수신기(11)로 공급되는 상기 전원부(9)의 전원공급을 스위칭하는 라이도 전원 스위칭부(10)로 구성됨을 특징으로 하는 회로.The duplexer 1 is connected to the antenna ANT2 for radiotelephony, and the transceivers 2 and 4 are connected from the duplexer 1 and the audio is transmitted and received through the transceivers 2 and 4. The frequency synthesizer 3 is connected to the processing unit 5, the logic unit 12 generating a control logic signal from the signal generated by the audio processing unit 5 is connected, and the hand cell is connected to the audio processing unit 5. And a portion consisting of a power supply unit 9 for supplying power to the respective units and the logic unit 12 in the portable radiotelephone 100, wherein the logic unit 12 of the portable radiotelephone 100 is connected. The circuit is characterized in that it comprises a power supply switching unit (10) for switching the power supply of the power supply unit (9) supplied to the FM / AM radio receiver (11) by a signal according to a portable radio telephone call through. 제2항에 있어서, 라디오 전원 스위칭부(10)가 휴대용 무선전화기에서 원하는 FM/AM 라디오 방송을 청취할 수 있도록, 한 것으로 선택에 의해 휴대용 무선전화기를 들고 다니는 사용자에게 무선전화의 호출이 없는 대기상태에서 FM/AM 라디오 방송을 청취하도록 하고 상기 청취도중 무선호출이 있을시 FM/AM 라디오 전원공급을 스위칭하기 위해 휴대용 무선전화기에서 FM/AM 수신을 위한 라디오 수신을 위한 선택스위치와, 상기 선택스위치의 스위칭시 채터링 잡음 제거 및 휴대용 무선전화기호출에 따른 고주파 잡음 제거하는 저역필터링 수단과, 상기 저역필터링을 통한 출력에 의해 FM/AM 라디오 수신기의 전원공급을 스위칭하는 스위칭수단으로 구성됨을 특징으로 하는 회로.3. A standby according to claim 2, wherein the radio power switching unit 10 is configured to listen to a desired FM / AM radio broadcast in the portable radiotelephone, so that the user carrying the portable radiotelephone is free of calls of the radiotelephone. A selection switch for receiving a radio for FM / AM reception in a portable radio telephone to listen to FM / AM radio broadcasting in a state and to switch the FM / AM radio power supply when there is a radio call during the listening; Low frequency filtering means for removing the chattering noise during switching and high frequency noise according to a portable radio telephone call, and switching means for switching the power supply of the FM / AM radio receiver by the output through the low frequency filtering. Circuit. 제3항에 있어서, FM/AM 라디오의 FM/AM 선택스위치가 휴대용 무선전화기의 핸드셀에 구성됨을 특징으로 하는 회로.4. A circuit according to claim 3, wherein the FM / AM selection switch of the FM / AM radio is configured in the hand cell of the portable radiotelephone. 제3항에 있어서, 스위칭수단이 상기 휴대용 무선전화기(100)의 논리부(12)의 출력단에 라디오 온/오프 스위치(SW1)를 연결하고, 상기 라디오 온/오프 스위치(SW)로 부터 (R1)과 캐패시터(C1)을 저역통과필터 기능을 갖도록 연결하고, 상기 저역통과필터 기능의 출력으로 부터 트랜지스터(TR1)의 베이스를 연결하며, 상기트랜지스터(TR1)의 콜렉터에 저항(R2)의 베이스를 연결하며, 상기 전원부(9)의 출력단(101)에 상기 노드(104)와 결합한 저항(R3)과, 트랜지스터(TR2)의 에미터를 연결하며, 상기 트랜지스터(TR2)은 연결하며, 상기 저항(R2)은 연결한 로드(104)에 트랜지스터(TR2)의 콜렉터에 상기 FM/AM 라디오 수신기(11)의 전원단(103)이 연결되어 구성됨을 특징으로 하는 회로.4. The switching device according to claim 3, wherein the switching means connects a radio on / off switch (SW1) to an output terminal of the logic unit (12) of the portable radiotelephone (100), and (R1) from the radio on / off switch (SW). ) And the capacitor (C1) to have a low pass filter function, the base of the transistor (TR1) from the output of the low pass filter function, and the base of the resistor (R2) to the collector of the transistor (TR1) A resistor R3 coupled to the node 104 and an emitter of a transistor TR2 are connected to an output terminal 101 of the power supply unit 9, and the transistor TR2 is connected to the output terminal 101. R2) is a circuit characterized in that the power supply 103 of the FM / AM radio receiver (11) is connected to the collector of the transistor (TR2) connected to the connected rod (104). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890014946A 1989-10-17 1989-10-17 Radio reception method and circuit in portable radiotelephone KR910008992A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890014946A KR910008992A (en) 1989-10-17 1989-10-17 Radio reception method and circuit in portable radiotelephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890014946A KR910008992A (en) 1989-10-17 1989-10-17 Radio reception method and circuit in portable radiotelephone

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KR910008992A true KR910008992A (en) 1991-05-31

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990005402A (en) * 1997-06-30 1999-01-25 유기범 Wireless Headphone Phone with Radio Listening Function
WO2001028110A1 (en) * 1999-10-09 2001-04-19 Kyu Jin Park Handfree portable wireless telephone system for receiving signals from outer source
KR20010092143A (en) * 2000-03-21 2001-10-24 박종헌 Automatic Tuning Apparatus of Radio-Channel and Method therefor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990005402A (en) * 1997-06-30 1999-01-25 유기범 Wireless Headphone Phone with Radio Listening Function
WO2001028110A1 (en) * 1999-10-09 2001-04-19 Kyu Jin Park Handfree portable wireless telephone system for receiving signals from outer source
KR20010092143A (en) * 2000-03-21 2001-10-24 박종헌 Automatic Tuning Apparatus of Radio-Channel and Method therefor

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