KR910009019A - Mischievous telephone repulsion method and circuit in telephone - Google Patents

Mischievous telephone repulsion method and circuit in telephone Download PDF

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Publication number
KR910009019A
KR910009019A KR1019890014943A KR890014943A KR910009019A KR 910009019 A KR910009019 A KR 910009019A KR 1019890014943 A KR1019890014943 A KR 1019890014943A KR 890014943 A KR890014943 A KR 890014943A KR 910009019 A KR910009019 A KR 910009019A
Authority
KR
South Korea
Prior art keywords
telephone
circuit
call
supply
mischievous
Prior art date
Application number
KR1019890014943A
Other languages
Korean (ko)
Other versions
KR920007486B1 (en
Inventor
권정환
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 KR1019890014943A priority Critical patent/KR920007486B1/en
Publication of KR910009019A publication Critical patent/KR910009019A/en
Application granted granted Critical
Publication of KR920007486B1 publication Critical patent/KR920007486B1/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
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/663—Preventing unauthorised calls to a telephone set

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)

Abstract

내용 없음No content

Description

전화기에 있어서의 장난(유혹) 전화 격퇴방식 및 회로Mischievous telephone repulsion method and circuit in telephone

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

제1도는 본 발명에 따른 회로도.1 is a circuit diagram according to the present invention.

제2도는 본 발명에 따른 흐름도.2 is a flow chart in accordance with the present invention.

Claims (2)

전화기에 있어서 장난전화 격퇴회로에 있어서, 국선(L1,L2)으로 부터 브리지 다이오드(BD)을 연결하고 상기 브리지 다이오드(BD)로 부터 통화로 제어회로(10)를 연결하고, 상기 통화 제어회로(10)로부터 통화회로(20)를 연결하며, 장난전화시 상기 통화회로(20)에 상대방에게 하우징 신호를 공급할 수 있는 격퇴스위치(SW)를 연결하며, 상기 통화회로(20)에 키보드(40)의 제어에 따라 발진음을 공급할 수 있는 콘트롤러(30)를 연결 구성됨을 특징으로 하는 전화기에 있어서 장난(유혹)전화 격퇴회로.In the joke telephone repelling circuit in the telephone, the bridge diode BD is connected from the trunk lines L1 and L2, and the control circuit 10 is connected from the bridge diode BD to the call. 10 to connect the call circuit 20, and connects the repellent switch (SW) that can supply the housing signal to the call circuit 20 to the call circuit 20 when the prank call, the keyboard 40 to the call circuit 20 In the telephone, characterized in that the connection is configured to supply a controller 30 that can supply the oscillation sound under the control of the playful (seduced) telephone repelling circuit. 전화기에 있어서 장난전화 격퇴회로에 있어서, 일반동작 상태에서 장난전화에 따른 격퇴 버튼의 입력을 검색하는 제1과정과, 상기 제1과정의 격퇴 버튼 입력시 발신음을 고주파로 송출하도록 제어하는 제2과정으로 이루어짐을 특징으로 하는 전화기에 있어서 장난(유혹)전화 격퇴회로.A first step of retrieving an input of a revocation button according to a prank call in a normal operation state, and a second step of controlling a phone to transmit a dial tone at a high frequency when the retraction button input of the first step is performed. In the telephone, characterized in that consisting of a playful (seduced) telephone repulsion circuit. ※참고사항 : 최초출원 내용에 의하여 공개하는 것임※ Note: It is to be disclosed based on the initial application.
KR1019890014943A 1989-10-17 1989-10-17 Method and circuit for preventing unauthorized calls KR920007486B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890014943A KR920007486B1 (en) 1989-10-17 1989-10-17 Method and circuit for preventing unauthorized calls

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890014943A KR920007486B1 (en) 1989-10-17 1989-10-17 Method and circuit for preventing unauthorized calls

Publications (2)

Publication Number Publication Date
KR910009019A true KR910009019A (en) 1991-05-31
KR920007486B1 KR920007486B1 (en) 1992-09-04

Family

ID=19290777

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890014943A KR920007486B1 (en) 1989-10-17 1989-10-17 Method and circuit for preventing unauthorized calls

Country Status (1)

Country Link
KR (1) KR920007486B1 (en)

Also Published As

Publication number Publication date
KR920007486B1 (en) 1992-09-04

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