JPS57200019A - Aperture locking device - Google Patents

Aperture locking device

Info

Publication number
JPS57200019A
JPS57200019A JP8536281A JP8536281A JPS57200019A JP S57200019 A JPS57200019 A JP S57200019A JP 8536281 A JP8536281 A JP 8536281A JP 8536281 A JP8536281 A JP 8536281A JP S57200019 A JPS57200019 A JP S57200019A
Authority
JP
Japan
Prior art keywords
aperture
diaphragm
aperture value
value
voltage
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP8536281A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0440697B2 (enrdf_load_stackoverflow
Inventor
Tadashi Eshiya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP8536281A priority Critical patent/JPS57200019A/ja
Publication of JPS57200019A publication Critical patent/JPS57200019A/ja
Publication of JPH0440697B2 publication Critical patent/JPH0440697B2/ja
Granted legal-status Critical Current

Links

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
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Diaphragms For Cameras (AREA)
JP8536281A 1981-06-03 1981-06-03 Aperture locking device Granted JPS57200019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8536281A JPS57200019A (en) 1981-06-03 1981-06-03 Aperture locking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8536281A JPS57200019A (en) 1981-06-03 1981-06-03 Aperture locking device

Publications (2)

Publication Number Publication Date
JPS57200019A true JPS57200019A (en) 1982-12-08
JPH0440697B2 JPH0440697B2 (enrdf_load_stackoverflow) 1992-07-03

Family

ID=13856596

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8536281A Granted JPS57200019A (en) 1981-06-03 1981-06-03 Aperture locking device

Country Status (1)

Country Link
JP (1) JPS57200019A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5869828U (ja) * 1981-11-04 1983-05-12 株式会社タムロン サ−ボメ−タ駆動絞り装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56108123U (enrdf_load_stackoverflow) * 1980-01-21 1981-08-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56108123U (enrdf_load_stackoverflow) * 1980-01-21 1981-08-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5869828U (ja) * 1981-11-04 1983-05-12 株式会社タムロン サ−ボメ−タ駆動絞り装置

Also Published As

Publication number Publication date
JPH0440697B2 (enrdf_load_stackoverflow) 1992-07-03

Similar Documents

Publication Publication Date Title
JPS57200017A (en) Aperture locking device
AU554501B2 (en) Improvements in and relating to testing coins
KR900001229A (ko) 촬상장치
JPS5671855A (en) Playback device of disc
JPS5930891Y2 (ja) 電気的自動焦点合致カメラ
US4015149A (en) Temperature compensating device for devices having semiconductors
KR900014928A (ko) 촬영장치 및 그 노출 제어방법 및 장치
US3971046A (en) Systems for responding to non-uniform scene brightness
KR950022807A (ko) 비데오 카메라의 자동 화이트 발란스장치 및 방법
US4390258A (en) Photomeric circuit for camera
JPS57200019A (en) Aperture locking device
JPS5653484A (en) Detecting device for integrated time
JPS57200018A (en) Aperture adjusting device of camera
JPS5740212A (en) Automatic focusing apparatus
US3643563A (en) Shutter-timing network
JPS5662231A (en) Control device for diaphragm of camera
GB2047907A (en) Cameras
US4146318A (en) Automatic diaphragm control
JPS57183186A (en) Focusing point detector
US3254580A (en) Electronic flash photography apparatus
US4331401A (en) Exposure control system for a photographic camera
JPS5319805A (en) Automatic focusing optical device
GB2091431A (en) Exposure control system for a photographic or television camera
US4512648A (en) Program type automatic exposure controller for use in cameras
JPS5658375A (en) Automatic focussing device for video camera