KR910005635A - Remote Surveillance Cordless Emergency Calling Phone - Google Patents

Remote Surveillance Cordless Emergency Calling Phone Download PDF

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Publication number
KR910005635A
KR910005635A KR1019890012581A KR890012581A KR910005635A KR 910005635 A KR910005635 A KR 910005635A KR 1019890012581 A KR1019890012581 A KR 1019890012581A KR 890012581 A KR890012581 A KR 890012581A KR 910005635 A KR910005635 A KR 910005635A
Authority
KR
South Korea
Prior art keywords
signal
sound wave
wave signal
timer
telephone
Prior art date
Application number
KR1019890012581A
Other languages
Korean (ko)
Inventor
송재환
Original Assignee
정몽헌
현대전자산업 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 정몽헌, 현대전자산업 주식회사 filed Critical 정몽헌
Priority to KR1019890012581A priority Critical patent/KR910005635A/en
Publication of KR910005635A publication Critical patent/KR910005635A/en

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Abstract

내용 없음No content

Description

원방 감시 무선 비상 호출 전화기Remote Surveillance Cordless Emergency Calling Phone

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

제1도는 본 발명의 구성도.1 is a block diagram of the present invention.

Claims (5)

발신기로 부터의 소정의 신호 및 주변현장신호를 수신하여 전기적 신호로 변환시키는 음파신호감지수단(1), 상기 음파신호감지수단(1)으로 부터의 신호를 받아 상시 수신신호가 상기 발신기로 부터 발신된 신호 인가를 판별하기 위한 음파신호판별수단(2), 상기 음파신호판별수단(2)으로 부터의 신호를 받아 제1지연신호 및 제2지연신호를 송출하기 위한 제어수단(5), 상기 제어수단(5)으로 부터의 제1지연신호를 받아 미리 기억된 전화번호를 다이얼링하기 위한 전화번호 기억회로(6), 상기 제어수단(5) 및 상기 음파신호감지수단(1)에 연결되어, 상기 제어수단(5)으로 부터의 제2지연 신호를 공급받아 릴레이를 접속하여 상기 음파 신호 감지 수단(1)으로 부터 발생된 상기 주변 현장 신호를 트랜스를 통해 전화회선으로 전송하기 위한 음파신호 연결수단(4) , 및 상기 음파신호 판별수단(2)으로부터의 신호를 받아 릴레이를 접속하여 상기 전화번호 기억회로(6)를 전화회선에 연결하기 위한 전화회선 연결수단(3)으로구성된 것을 특징으로 하는 무선비상 호출 전화기.Acoustic signal detection means (1) for receiving a predetermined signal from the transmitter and surrounding field signals and converting it into an electrical signal, a signal received from the sound wave signal detection means (1) is always sent to the transmitter from the transmitter Sound wave signal discriminating means (2) for discriminating the application of a predetermined signal, control means (5) for receiving a signal from the sound wave signal discriminating means (2) and transmitting a first delay signal and a second delay signal; Connected to a telephone number memory circuit 6, the control means 5 and the sound wave signal sensing means 1 for dialing a telephone number stored in advance in response to a first delayed signal from the means 5; A sound wave signal connecting means for receiving a second delay signal from the control means (5) and connecting a relay to transmit the surrounding field signal generated from the sound wave signal detecting means (1) to a telephone line through a transformer ( 4) , Wireless emergency call telephone, characterized in that to receive the signal from the acoustic signal discrimination means (2) connected to the relay consists of a telephone line connecting means 3 for connecting the telephone number storage circuit 6 to the telephone line. 제1항에 있어서, 상기 제어수단(5)은 상기 제1지연신호를 발생하기 위한 제1 타이머(14)와 상기 제2지연 신호를 발생하기 위한 제2 타이머(15)로 구성되어 있고, 상기 제1타이머(14)는 전화번호 기억회로(6)에 연결하고, 상기 제2타이머(15)는 상기 제1타이머(14) 및 상기 음파신호 판별수단(2)에 연결한 것을 특징으로 하는 무선 비상 호출 전화기.The method of claim 1, wherein the control means (5) comprises a first timer (14) for generating the first delay signal and a second timer (15) for generating the second delay signal. The first timer 14 is connected to the telephone number memory circuit 6 and the second timer 15 is connected to the first timer 14 and the sound wave signal discriminating means 2. Emergency call phone. 제1항에 있어서, 상기 음파신호 판별수단(2)은 상기 음파신호 감지수단(1)에 연결된 PLL 회로(11), 상기 PLL 회로에 연결된 원쇼트 타이머(12), 및 상기 원쇼트 타이머(12)에 연결된 RS 래치회로(13)로 구성된 것을 특징으로 하는 무선 비상 호출 전화기.2. The sound wave signal discriminating means (2) according to claim 1, wherein the sound wave signal discriminating means (2) comprises a PLL circuit (11) connected to the sound wave signal detecting means (1), a one short timer (12) connected to the PLL circuit, and the one short timer (12). Wireless emergency call telephone, characterized in that consisting of an RS latch circuit (13) connected to. 제1항에 있어서, 상기 발신기로 부터 발신된 신호는 20KHz 정도의 초음파 신호인 것을 특징으로 하는 무선 비상 호출 전화기.The wireless emergency call telephone according to claim 1, wherein the signal transmitted from the transmitter is an ultrasonic signal of about 20 KHz. 제3항에 있어서, 상기 PLL 회로는 저항(R7)과 콘덴서(C2)를구비하여 주파수를 선택할 수 있도록 한 것을 특징으로 하는 무선 비상 호출 전화기.The radio emergency call telephone according to claim 3, wherein the PLL circuit is provided with a resistor (R7) and a capacitor (C2) to select a frequency. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890012581A 1989-08-31 1989-08-31 Remote Surveillance Cordless Emergency Calling Phone KR910005635A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890012581A KR910005635A (en) 1989-08-31 1989-08-31 Remote Surveillance Cordless Emergency Calling Phone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890012581A KR910005635A (en) 1989-08-31 1989-08-31 Remote Surveillance Cordless Emergency Calling Phone

Publications (1)

Publication Number Publication Date
KR910005635A true KR910005635A (en) 1991-03-30

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ID=67661585

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890012581A KR910005635A (en) 1989-08-31 1989-08-31 Remote Surveillance Cordless Emergency Calling Phone

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KR (1) KR910005635A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140081832A (en) * 2011-11-23 2014-07-01 퀄컴 인코포레이티드 Acoustic echo cancellation based on ultrasound motion detection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140081832A (en) * 2011-11-23 2014-07-01 퀄컴 인코포레이티드 Acoustic echo cancellation based on ultrasound motion detection
US9363386B2 (en) 2011-11-23 2016-06-07 Qualcomm Incorporated Acoustic echo cancellation based on ultrasound motion detection

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