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외부감시 기능이 있는 도어폰 유니트회로Door phone unit circuit with external monitoring
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제2도는 본 발명에 따른 외부감시 기능이 있는 도어폰 유니트회로도, 제3도 (가)내지 (바)는 제2도에 따른 각부 타이밍도.2 is a circuit diagram of a door phone unit having an external monitoring function according to the present invention. FIG. 3 is a timing diagram of each part according to FIG.
Claims (2)
카메라와 도어폰 및 모니터로된 도어폰 유니트에 있어서, 감시용스위치(SW2)와 이 신호를 검출하는 감시신호검출부(13)를 카메라구동전원부(12)와, 모니터구동제어부(11)에 연결하여 송수신과 관계없이 도어폰 유니트를 구동시키도록 구성한 것을 특징으로 하는 외부감시 기능을 갖는 도어폰 유니트회로.In the door phone unit comprising a camera, a door phone and a monitor, a monitoring switch SW2 and a monitoring signal detection unit 13 for detecting the signal are connected to the camera driving power supply unit 12 and the monitor driving control unit 11. Door phone unit circuit having an external monitoring function, characterized in that configured to drive the door phone unit irrespective of transmission and reception.제1항에 있어서, 감시신호검출부(13)가 토글링 플립플롭(F/F3)으로 구성된 것을 특징으로 하는 외부감시 가능을 갖는 도어폰 유니트회로.The door phone unit circuit according to claim 1, wherein the monitoring signal detection unit (13) comprises a toggling flip-flop (F / F3).※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900003217A1990-03-101990-03-10
Door phone unit circuit with external monitoring
KR910017817A
(en)