KR910020480A - Camera light control strobe and fully automatic light emitting system - Google Patents

Camera light control strobe and fully automatic light emitting system Download PDF

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Publication number
KR910020480A
KR910020480A KR1019900007784A KR900007784A KR910020480A KR 910020480 A KR910020480 A KR 910020480A KR 1019900007784 A KR1019900007784 A KR 1019900007784A KR 900007784 A KR900007784 A KR 900007784A KR 910020480 A KR910020480 A KR 910020480A
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KR
South Korea
Prior art keywords
signal
charging
microcomputer
camera
output
Prior art date
Application number
KR1019900007784A
Other languages
Korean (ko)
Inventor
윤태경
김철민
Original Assignee
이헌조
주식회사 금성사
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 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019900007784A priority Critical patent/KR910020480A/en
Publication of KR910020480A publication Critical patent/KR910020480A/en

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  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

내용 없음No content

Description

카메라의 광량조절 스트로보 및 전자동 발광시스템Camera light control strobe and fully automatic light emitting system

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

제2도는 본 발명 카메라의 광량조절 스트로보 시스템 구성도, 제3도는 제2도에 대한 신호흐름도.FIG. 2 is a block diagram of a light control strobe system of the camera of the present invention, and FIG. 3 is a signal flow chart of FIG.

Claims (1)

마이컴(1)의 충전개시신호에 의해 건전지단자(VB)의 전원을 트랜스(T1)로 발진시켜 콘덴서(C8)에 충전시키고 충전이 완료되면 저휘도검지부(8)의 신호에 따라 마이컴(1)이 발광 개시신호를 출력하여 콘덴서(C8)에 충전된 전압으로 크세논 램프(XL)를 발광시키는 카메라의 스트로보 회로에 있어서, 상기 저휘도검지부(8)의 출력 신호를 읽어들여 카메라의 시스템전체를 제어하는 마이컴(1)과, 상기 마이컴(1)의 충전 개시신호(CHS) 및 기준 전압발생기(9)의 기준전압(Vref)에 따라 온-오프되어 건전지단자(V8)의 전원을 제어하는 스위칭부(2)와, 상기 스위칭부(2)의 출력전압에 따라 온-오프 반복구동되어 건전지단자(VB)의 전원을 출력하는 발진구동부(3)와, 상기 발진구동부(3)의 출력전압에 따라 발진하는 발진부(4)와, 상기 발진부(4)의 출력전압을 전파정류시켜 콘덴서(C8)에 충전시킴과 아울러 충전이 완료되면 발진구동부(3)를 제어하고 충전완료신호(VCHE)를 마이컴(1)에 보내는 충전제어부(5)와, 상기 충전제어(5)의 충전완료신호(VCHE)에 따라 마이컴(1)으로부터 출력된 발광개시 및 정지신호(STSP)에 의해 온-오프제어되어 트리거 신호를 발생하는 트리거 발생부(6)와, 상기 트리거발생부(6)의 트리거신호에 의해 제어된 후 콘덴서(C8)에 충전된 전압을 크세논램프(XL)에 방전시키는 발광구부(7)로서 구성함을 특징으로 한 카메라의 광량조절 스트로보 및 전자동 발광 시스템.According to the charging start signal of the microcomputer 1, the power of the battery terminal VB is oscillated to the transformer T1 to charge the capacitor C8, and when the charging is completed, the microcomputer 1 according to the signal of the low luminance detection unit 8 is completed. In the strobe circuit of the camera which outputs this light emission start signal and emits the xenon lamp XL at the voltage charged in the capacitor C8, the output signal of the low luminance detection section 8 is read to control the entire system of the camera. A switching unit controlling the power supply of the battery terminal V8 by being turned on and off according to the microcomputer 1 and the charging start signal CHS of the microcomputer 1 and the reference voltage Vref of the reference voltage generator 9. (2) and the oscillation driver 3 which is repeatedly driven on and off according to the output voltage of the switching unit 2 to output the power of the battery terminal VB, and according to the output voltage of the oscillation driver 3. The oscillation part 4 which oscillates and the output voltage of the oscillation part 4 are full-wave rectified, C8) and the charging control unit (5) for controlling the oscillation driving unit (3) and sends a charging completion signal (VCHE) to the microcomputer (1) when the charging is completed, and the charging completion signal of the charging control (5) The trigger generator 6 which is on-off controlled by the light emission start and stop signal STSP output from the microcomputer 1 and generates a trigger signal according to VCHE, and the trigger signal of the trigger generator 6 A light quantity control strobe and a fully automatic light emitting system of a camera, characterized in that it is configured as a light emitting port portion (7) which is controlled by and discharges a voltage charged in a capacitor (C8) to a xenon lamp (XL). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900007784A 1990-05-29 1990-05-29 Camera light control strobe and fully automatic light emitting system KR910020480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900007784A KR910020480A (en) 1990-05-29 1990-05-29 Camera light control strobe and fully automatic light emitting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900007784A KR910020480A (en) 1990-05-29 1990-05-29 Camera light control strobe and fully automatic light emitting system

Publications (1)

Publication Number Publication Date
KR910020480A true KR910020480A (en) 1991-12-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900007784A KR910020480A (en) 1990-05-29 1990-05-29 Camera light control strobe and fully automatic light emitting system

Country Status (1)

Country Link
KR (1) KR910020480A (en)

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