GB1540449A - Cameras - Google Patents

Cameras

Info

Publication number
GB1540449A
GB1540449A GB20031/76A GB2003176A GB1540449A GB 1540449 A GB1540449 A GB 1540449A GB 20031/76 A GB20031/76 A GB 20031/76A GB 2003176 A GB2003176 A GB 2003176A GB 1540449 A GB1540449 A GB 1540449A
Authority
GB
United Kingdom
Prior art keywords
cameras
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
GB20031/76A
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of GB1540449A publication Critical patent/GB1540449A/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
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
    • 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
    • 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
    • G03B7/089—Analogue circuits for storage of exposure value in mirror reflex cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Cameras In General (AREA)
  • Shutters For Cameras (AREA)
GB20031/76A 1975-05-15 1976-05-14 Cameras Expired GB1540449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1975063715U JPS5614495Y2 (US06265458-20010724-C00056.png) 1975-05-15 1975-05-15

Publications (1)

Publication Number Publication Date
GB1540449A true GB1540449A (en) 1979-02-14

Family

ID=13237349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20031/76A Expired GB1540449A (en) 1975-05-15 1976-05-14 Cameras

Country Status (4)

Country Link
US (1) US4034385A (US06265458-20010724-C00056.png)
JP (1) JPS5614495Y2 (US06265458-20010724-C00056.png)
DE (1) DE2621233A1 (US06265458-20010724-C00056.png)
GB (1) GB1540449A (US06265458-20010724-C00056.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143218A (en) * 1977-05-19 1978-12-13 Canon Inc Camera wherein automatic winder capable of high speed continuous photographing can be fixed
US4636056A (en) * 1983-10-06 1987-01-13 Canon Kabushiki Kaisha Electrical power supply circuit in a camera
JPH0820664B2 (ja) * 1983-12-27 1996-03-04 株式会社ニコン 自動露出制御カメラ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5312588Y2 (US06265458-20010724-C00056.png) * 1972-09-21 1978-04-05
JPS5344988Y2 (US06265458-20010724-C00056.png) * 1973-02-24 1978-10-27

Also Published As

Publication number Publication date
US4034385A (en) 1977-07-05
JPS5614495Y2 (US06265458-20010724-C00056.png) 1981-04-06
JPS51145055U (US06265458-20010724-C00056.png) 1976-11-22
DE2621233A1 (de) 1976-11-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee