GB1382016A - Control circuit for a camera shutter - Google Patents

Control circuit for a camera shutter

Info

Publication number
GB1382016A
GB1382016A GB3182173A GB3182173A GB1382016A GB 1382016 A GB1382016 A GB 1382016A GB 3182173 A GB3182173 A GB 3182173A GB 3182173 A GB3182173 A GB 3182173A GB 1382016 A GB1382016 A GB 1382016A
Authority
GB
United Kingdom
Prior art keywords
control circuit
capacitor
camera shutter
july
ammeter
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.)
Expired
Application number
GB3182173A
Other languages
English (en)
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.)
Seiko Koki KK
Original Assignee
Seiko Koki KK
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 Seiko Koki KK filed Critical Seiko Koki KK
Publication of GB1382016A publication Critical patent/GB1382016A/en
Expired 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)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Shutter-Related Mechanisms (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Exposure Control For Cameras (AREA)
GB3182173A 1972-07-10 1973-07-04 Control circuit for a camera shutter Expired GB1382016A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47068842A JPS4929634A (fr) 1972-07-10 1972-07-10

Publications (1)

Publication Number Publication Date
GB1382016A true GB1382016A (en) 1975-01-29

Family

ID=13385336

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3182173A Expired GB1382016A (en) 1972-07-10 1973-07-04 Control circuit for a camera shutter

Country Status (4)

Country Link
JP (1) JPS4929634A (fr)
DE (1) DE2335049A1 (fr)
FR (1) FR2192716A5 (fr)
GB (1) GB1382016A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5446536U (fr) * 1977-09-07 1979-03-31
JPS5451543U (fr) * 1977-09-16 1979-04-10

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1472701A1 (de) * 1965-07-09 1969-03-27 Rollei Werke Franke Heidecke Photographische Kamera mit photoelektrischer Belichtungszeit-Regelung
AT280771B (de) * 1967-04-26 1970-04-27 Ernst U Wilhelm Bertram Fabrik Belichtungssteuerschaltung für einen photographischen Verschluß

Also Published As

Publication number Publication date
FR2192716A5 (fr) 1974-02-08
JPS4929634A (fr) 1974-03-16
DE2335049A1 (de) 1974-01-31

Similar Documents

Publication Publication Date Title
BE795242A (fr) Reseau de television ferme avec un systeme de television ouvert et un systeme de television ferme
GB1382016A (en) Control circuit for a camera shutter
CA936731A (en) Automatic exposure time control device for cameras
GB1494166A (en) Camera with flash unit
GB1382209A (en) Control circuit for a camera shutter
ZA77451B (en) Device for closing off an aperture
CA1007503A (en) Shutter control circuit for a photographic camera
GB1123579A (en) Device for automatic regulation of a photographic exposure
GB1537989A (en) Camera shutter mechanism
GB1364932A (en) Exposure time control circuit for a camera
GB1380017A (en) Shutter control arrangement for a camera
CH549913A (fr) Dispositif de poste d'abonne a clavier enregistreur a appel automatique.
GB1439471A (en) Cameras
JPS51141628A (en) Camera having electronic control shutter
JPS5498617A (en) Control plate for photographic camera
GB1534416A (en) Camera shutter
BE815083A (fr) Dispositif de fermeture automatique de portes coulissantes.
GB1102231A (en) Electrically controlled lens shutter
JPS5260128A (en) Device for opening or closing camera shutter
GB1422289A (en) Shutter mechanism for a camera
GB1394982A (en) Camera shutter
GB1358654A (en) Photographic cameras
FR2163016A5 (fr) Dispositif electronique de reglage d'un courant continu.
AU483114B2 (en) A device for automatic closing and opening of gates, gangways, etc. bya combined sequence of movements of closing bars
JPS5353906A (en) Toll outgoing control system

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee