JPS57179823A - Integrating circuit for electronic shutter - Google Patents

Integrating circuit for electronic shutter

Info

Publication number
JPS57179823A
JPS57179823A JP6631281A JP6631281A JPS57179823A JP S57179823 A JPS57179823 A JP S57179823A JP 6631281 A JP6631281 A JP 6631281A JP 6631281 A JP6631281 A JP 6631281A JP S57179823 A JPS57179823 A JP S57179823A
Authority
JP
Japan
Prior art keywords
condenser
adjusting
ratio
becomes
integrating circuit
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
JP6631281A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0120726B2 (enrdf_load_stackoverflow
Inventor
Toshihide Miyake
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP6631281A priority Critical patent/JPS57179823A/ja
Publication of JPS57179823A publication Critical patent/JPS57179823A/ja
Publication of JPH0120726B2 publication Critical patent/JPH0120726B2/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
    • G03B7/083—Analogue circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
JP6631281A 1981-04-28 1981-04-28 Integrating circuit for electronic shutter Granted JPS57179823A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6631281A JPS57179823A (en) 1981-04-28 1981-04-28 Integrating circuit for electronic shutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6631281A JPS57179823A (en) 1981-04-28 1981-04-28 Integrating circuit for electronic shutter

Publications (2)

Publication Number Publication Date
JPS57179823A true JPS57179823A (en) 1982-11-05
JPH0120726B2 JPH0120726B2 (enrdf_load_stackoverflow) 1989-04-18

Family

ID=13312175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6631281A Granted JPS57179823A (en) 1981-04-28 1981-04-28 Integrating circuit for electronic shutter

Country Status (1)

Country Link
JP (1) JPS57179823A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS634225A (ja) * 1986-06-24 1988-01-09 Asahi Optical Co Ltd 電子シャッターカメラの測光アンプ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5320939U (enrdf_load_stackoverflow) * 1976-07-30 1978-02-22
JPS5333442U (enrdf_load_stackoverflow) * 1976-08-30 1978-03-23

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5320939U (enrdf_load_stackoverflow) * 1976-07-30 1978-02-22
JPS5333442U (enrdf_load_stackoverflow) * 1976-08-30 1978-03-23

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS634225A (ja) * 1986-06-24 1988-01-09 Asahi Optical Co Ltd 電子シャッターカメラの測光アンプ

Also Published As

Publication number Publication date
JPH0120726B2 (enrdf_load_stackoverflow) 1989-04-18

Similar Documents

Publication Publication Date Title
US4156564A (en) Photometric device
JPS57179824A (en) Integration circuit for electronic shutter
JPS57179823A (en) Integrating circuit for electronic shutter
JPS5540422A (en) Exposure information generating circuit of single-lens reflex camera
US4160160A (en) Circuit for integrating a quantity of light in an automatic control type flash unit
JPS55120015A (en) Reflection photometric device for focal plane shutter
JPS5662231A (en) Control device for diaphragm of camera
US4241279A (en) Control circuit for an automatic electronic flash light device
JPS56159621A (en) Photometric circuit
GB1339212A (en) Function generator circuit
JPS56154717A (en) Automatic exposure control circuit of camera
JPS622294B2 (enrdf_load_stackoverflow)
US4444481A (en) Exposure control circuit for a camera
US3533705A (en) Correct exposure indicating apparatus for cameras
GB1286303A (en) Electrical storage circuit for a camera shutter mechanism
JPS56151919A (en) Series control type automatic dimming flash device
JPS57179825A (en) Integration circuit of electronic shutter for camera
JPS5785039A (en) Automatic dimming electronic flash device
JPS5451757A (en) Signal generator
JPS57204647A (en) Light receiving circuit
JPS57202120A (en) Chopper type mos comparator
JPS56101130A (en) Photographic information leading-in circuit
JPS56159632A (en) Data back of camera
JPS5753735A (ja) Kameranomoodokirikaesochi
JPS6239886B2 (enrdf_load_stackoverflow)