KR920014329A - Room monitor circuit of cordless phone - Google Patents

Room monitor circuit of cordless phone Download PDF

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Publication number
KR920014329A
KR920014329A KR1019900020252A KR900020252A KR920014329A KR 920014329 A KR920014329 A KR 920014329A KR 1019900020252 A KR1019900020252 A KR 1019900020252A KR 900020252 A KR900020252 A KR 900020252A KR 920014329 A KR920014329 A KR 920014329A
Authority
KR
South Korea
Prior art keywords
signal
microphone
unit
modulator
room monitor
Prior art date
Application number
KR1019900020252A
Other languages
Korean (ko)
Other versions
KR0143567B1 (en
Inventor
이성범
Original Assignee
김용선
금성통신 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 김용선, 금성통신 주식회사 filed Critical 김용선
Priority to KR1019900020252A priority Critical patent/KR0143567B1/en
Publication of KR920014329A publication Critical patent/KR920014329A/en
Application granted granted Critical
Publication of KR0143567B1 publication Critical patent/KR0143567B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)

Abstract

내용 없음No content

Description

무선전화기의 룸 모니터 회로Room monitor circuit of cordless phone

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

제2도는 본 발명의 무선전화기의 고정장치 블럭구성도, 제3도는 본 발명의 무선전화기의 휴대장치 블럭구성도, 제4도의 (가),(나)는 본 발명을 위한 고정장치와 휴대장치의 플로우챠트로서, (가)는 고정장치용 중앙처리장치의 플로우챠트, (나)는 휴대장치용 중앙처리장치의 플로우챠트.2 is a block diagram of a fixed device of a wireless telephone of the present invention, FIG. 3 is a block diagram of a portable device of a wireless telephone of the present invention, and (a) and (b) of FIG. 4 are a fixed device and a portable device of the present invention. The flowchart of (a) is a flowchart of the central processing unit for fixed apparatuses, and (b) the flowchart of the central processing unit for portable apparatuses.

Claims (1)

통상의 완충부(10)와 고주파 증폭부(20), 복조부(30), 음성증폭부(40), 송신 고주파 증폭부(50), 변조부(60), 음성 증폭부(70), 마이크, 안테나, 스피커, 하이브리드(HB)로 연결하여서 된 공지의 것에 있어서, 상기 복조부(30)와, 변조부(60)및 마이크 사이에 미리 약정된 코드인가를 판별하는 신호 검출수단(80)과, 변조부에서 변조된 음성신호를 발생하는 신호발생수단(90)과, 룸 모니터 실정코드로 판단되며 마이크를 동작시켜 주위의 신호를 검출하는 중앙처리장치(100)와, 마이크를 통한 주위신호를 증폭하는 신호 증폭수단(120)과, 신호 증폭부에서 증폭된 신호가 미리 설정된 기준 레벨보다 신호가 크면 신호가 판단하고, 기준 레벨보다 작으면 잡음으로 판단하는 신호 비교수단(110)으로 이루어진 고장장치와, 휴대장치에 키 보드부(130)를 구성한 것을 특징으로 하는 무선 전화기의 룸 모니터 회로.Normal buffer unit 10, high frequency amplification unit 20, demodulation unit 30, voice amplifier 40, transmission high frequency amplifier 50, modulator 60, voice amplifier 70, microphone And a signal detecting means 80 for determining whether a code has been previously agreed between the demodulator 30, the modulator 60, and the microphone in a known one connected by an antenna, a speaker, and a hybrid (HB). And a signal generating means 90 for generating a voice signal modulated by the modulator, a central processing unit 100 which is determined as a room monitor code, and operates a microphone to detect surrounding signals, and an ambient signal through the microphone. A fault apparatus comprising a signal amplifying means 120 for amplifying and a signal comparing means 110 for determining whether a signal amplified by the signal amplifying unit is greater than a preset reference level and determining that the signal is smaller than the reference level. And the keyboard unit 130 is configured in the portable device. Room monitor circuit of a cordless phone. ※ 참고사항 : 최초출원내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900020252A 1990-12-10 1990-12-10 Room monitoring circuit for a wireless telephone KR0143567B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900020252A KR0143567B1 (en) 1990-12-10 1990-12-10 Room monitoring circuit for a wireless telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900020252A KR0143567B1 (en) 1990-12-10 1990-12-10 Room monitoring circuit for a wireless telephone

Publications (2)

Publication Number Publication Date
KR920014329A true KR920014329A (en) 1992-07-30
KR0143567B1 KR0143567B1 (en) 1998-08-17

Family

ID=19307285

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900020252A KR0143567B1 (en) 1990-12-10 1990-12-10 Room monitoring circuit for a wireless telephone

Country Status (1)

Country Link
KR (1) KR0143567B1 (en)

Also Published As

Publication number Publication date
KR0143567B1 (en) 1998-08-17

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