KR940017621A - Audible sound generator in keyset matching device - Google Patents

Audible sound generator in keyset matching device Download PDF

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Publication number
KR940017621A
KR940017621A KR1019920026833A KR920026833A KR940017621A KR 940017621 A KR940017621 A KR 940017621A KR 1019920026833 A KR1019920026833 A KR 1019920026833A KR 920026833 A KR920026833 A KR 920026833A KR 940017621 A KR940017621 A KR 940017621A
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KR
South Korea
Prior art keywords
audible sound
sound generator
keyset
matching device
talk current
Prior art date
Application number
KR1019920026833A
Other languages
Korean (ko)
Inventor
정경훈
박창진
Original Assignee
정장호
금성정보통신 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.)
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Publication date
Application filed by 정장호, 금성정보통신 주식회사 filed Critical 정장호
Priority to KR1019920026833A priority Critical patent/KR940017621A/en
Publication of KR940017621A publication Critical patent/KR940017621A/en

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Abstract

본 발명은 안내자를 위하여 키이세트(Keyset)을 단말기로 이용하고 있는 전화번호 안내시스템과 전보접수용 시스템에서 키이세트의 부가 기능에 관한 것으로 소수의 안내자가 있을 경우가 청음을 발생시켜 보다 편리한 서비스를 하기에 적당하도록 한 통화전류 및 훅 오프 감지에 의한 가청음 발생기에 관한 것이다.The present invention relates to a telephone number guide system using a keyset as a terminal for a guide and an additional function of the keyset in a telegram reception system. The present invention relates to an audible sound generator by detecting a talk current and a hook-off.

Description

키이 세트 정합장치의 가청음 발생기Audible sound generator in key set matching device

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

제2도는 본 발명에 의한 키이 세트 정합장치의 구성도, 제4도는 제2도에 도시된 통화전류 검출부의 회로도, 제7도는 제2도에 도시된 가청음 구동부의 회로도.FIG. 2 is a block diagram of a key set matching device according to the present invention, FIG. 4 is a circuit diagram of a talk current detector shown in FIG. 2, and FIG. 7 is a circuit diagram of an audible sound driver shown in FIG.

Claims (4)

통화전류 감지 회로 및 훅 오프 감지회로에 의한 가청음을 수행하는 것을 특징으로 하는 통화전류 및 훅 오프 감지에 의한 가청음 발생기.An audible sound generator by the talk current and the hook off detection, characterized in that the audible sound by the talk current detection circuit and the hook off detection circuit. 제1항에 있어서, 직류전압을 변환하기 위한 직류전압 변환회로를 구비하는 가청음 발생기.The audible sound generator according to claim 1, further comprising a DC voltage conversion circuit for converting DC voltage. 제1항에 있어서, 통화전류를 검출하는 통화전류 검출부를 구비하는 가청음 발생기.The audible sound generator according to claim 1, further comprising a talk current detector for detecting talk current. 제1항에 있어서, 가청음을 발생하기 위한 가청음 구동부를 구비하는 가청음 발생기.The audible sound generator according to claim 1, further comprising an audible sound driver for generating an audible sound. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920026833A 1992-12-30 1992-12-30 Audible sound generator in keyset matching device KR940017621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920026833A KR940017621A (en) 1992-12-30 1992-12-30 Audible sound generator in keyset matching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920026833A KR940017621A (en) 1992-12-30 1992-12-30 Audible sound generator in keyset matching device

Publications (1)

Publication Number Publication Date
KR940017621A true KR940017621A (en) 1994-07-27

Family

ID=67214855

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920026833A KR940017621A (en) 1992-12-30 1992-12-30 Audible sound generator in keyset matching device

Country Status (1)

Country Link
KR (1) KR940017621A (en)

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