KR860007558A - 자동노출제어장치 - Google Patents

자동노출제어장치 Download PDF

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Publication number
KR860007558A
KR860007558A KR1019850001843A KR850001843A KR860007558A KR 860007558 A KR860007558 A KR 860007558A KR 1019850001843 A KR1019850001843 A KR 1019850001843A KR 850001843 A KR850001843 A KR 850001843A KR 860007558 A KR860007558 A KR 860007558A
Authority
KR
South Korea
Prior art keywords
aperture
metering
control device
output
exposure control
Prior art date
Application number
KR1019850001843A
Other languages
English (en)
Other versions
KR890001455B1 (ko
Inventor
에이이찌 사이도오
마사루 나까하마
나리또 시바이께
Original Assignee
야마시다 도시히꼬
마쯔시다덴기산교 가부시기가이샤
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 야마시다 도시히꼬, 마쯔시다덴기산교 가부시기가이샤 filed Critical 야마시다 도시히꼬
Priority to KR1019850001843A priority Critical patent/KR890001455B1/ko
Publication of KR860007558A publication Critical patent/KR860007558A/ko
Application granted granted Critical
Publication of KR890001455B1 publication Critical patent/KR890001455B1/ko

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/087—Analogue circuits for control of both exposure time and aperture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)

Abstract

내용 없음

Description

자동노출제어장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 종래의 TTL 다이렉트 측광(測光)에 의한 자동 노출제어장치의 구성을 표시한 블록도
제 2 도는 본 발명의 일실시예에 있어서 자동노출제어장치의 구성을 표시한 블록도.
* 도면의 주요부분에 대한 부호의 설명
(1),(11)…수광소자, (5)…연산회로, (9)…조리개제어회로, (10)…조리개, (13)…스위칭회로 (16)…셔터초시계수회로, (17)…비교회로

Claims (3)

  1. 촬영렌즈의 투과광을 측광하는 제 1 의 측광수단과, 상기 제 1 의 측광수단의 출력에 따른 조리개치와 셔터 초시를 산출하고, 상기 조리개치에 따라서 조리개를 조이는 수단과, 조리개를 조인후, 노광시의 셔터 막면 및 촬영면으로부터의 반사광을 측광하는 제 2 의 측광수단과, 상기 제 2 의 측광 수단의 출력을 기준으로 촬상면으로 노광시간의 제어를 행하는 수단관, 이 노광시간을 계수하여 상기 제 1 의 측광수단에 의해 산출한 셔터 초시와 비교하는 비교수단과, 상기 비교수단의 출력에 의해 상기 조리개를 보정하여 다음의 촬영을 행하는 수단을 가지는 것을 특징으로 하는 자동노출제어장치.
  2. 제 1 항에 있어서,
    셔텨 초시를 미리 설정하는 것을 특징으로 하는 자동노출제어장치.
  3. 제 1 항에 있어서,
    비교수단의 출력이, 어떤 범위를 초과할 경우에만 상기 조리개를 보정하는 것을 특징으로 하는 자동노출 제어장치.
    ※ 최초출원 내용에 의하여 공개하는 것임.
KR1019850001843A 1985-03-21 1985-03-21 자동노출 제어장치 KR890001455B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019850001843A KR890001455B1 (ko) 1985-03-21 1985-03-21 자동노출 제어장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019850001843A KR890001455B1 (ko) 1985-03-21 1985-03-21 자동노출 제어장치

Publications (2)

Publication Number Publication Date
KR860007558A true KR860007558A (ko) 1986-10-15
KR890001455B1 KR890001455B1 (ko) 1989-05-03

Family

ID=19240199

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850001843A KR890001455B1 (ko) 1985-03-21 1985-03-21 자동노출 제어장치

Country Status (1)

Country Link
KR (1) KR890001455B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100721154B1 (ko) * 2005-10-12 2007-05-23 삼성전기주식회사 자동 노출 제어장치 및 그 방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100721154B1 (ko) * 2005-10-12 2007-05-23 삼성전기주식회사 자동 노출 제어장치 및 그 방법

Also Published As

Publication number Publication date
KR890001455B1 (ko) 1989-05-03

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