NL7404331A - - Google Patents

Info

Publication number
NL7404331A
NL7404331A NL7404331A NL7404331A NL7404331A NL 7404331 A NL7404331 A NL 7404331A NL 7404331 A NL7404331 A NL 7404331A NL 7404331 A NL7404331 A NL 7404331A NL 7404331 A NL7404331 A NL 7404331A
Authority
NL
Netherlands
Application number
NL7404331A
Other versions
NL180960C (en
NL180960B (en
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
Priority claimed from JP48036287A external-priority patent/JPS49123326A/ja
Priority claimed from JP48048672A external-priority patent/JPS50836A/ja
Priority claimed from JP48053296A external-priority patent/JPS503626A/ja
Priority claimed from JP5499973A external-priority patent/JPS507526A/ja
Priority claimed from JP5499773A external-priority patent/JPS507524A/ja
Priority claimed from JP5499873A external-priority patent/JPS507525A/ja
Priority claimed from JP5733273A external-priority patent/JPS509422A/ja
Application filed filed Critical
Publication of NL7404331A publication Critical patent/NL7404331A/xx
Publication of NL180960B publication Critical patent/NL180960B/en
Application granted granted Critical
Publication of NL180960C publication Critical patent/NL180960C/en

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
    • 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
    • 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
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/58—Means for varying duration of "open" period of shutter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
NLAANVRAGE7404331,A 1973-03-30 1974-03-29 REFLEX CAMERA WITH AUTOMATIC EXPOSURE ADJUSTMENT. NL180960C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP48036287A JPS49123326A (en) 1973-03-30 1973-03-30
JP48048672A JPS50836A (en) 1973-04-28 1973-04-28
JP48053296A JPS503626A (en) 1973-05-14 1973-05-14
JP5499973A JPS507526A (en) 1973-05-17 1973-05-17
JP5499773A JPS507524A (en) 1973-05-17 1973-05-17
JP5499873A JPS507525A (en) 1973-05-17 1973-05-17
JP5733273A JPS509422A (en) 1973-05-22 1973-05-22

Publications (3)

Publication Number Publication Date
NL7404331A true NL7404331A (en) 1974-10-02
NL180960B NL180960B (en) 1986-12-16
NL180960C NL180960C (en) 1987-05-18

Family

ID=27564424

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7404331,A NL180960C (en) 1973-03-30 1974-03-29 REFLEX CAMERA WITH AUTOMATIC EXPOSURE ADJUSTMENT.

Country Status (3)

Country Link
DE (1) DE2415615C2 (en)
FR (1) FR2223720B1 (en)
NL (1) NL180960C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS618414B2 (en) * 1973-07-17 1986-03-14 Minolta Camera Kk

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923779B1 (en) * 1970-07-03 1974-06-18
JPS571813B1 (en) * 1971-05-31 1982-01-13
JPS5112107Y2 (en) * 1971-09-02 1976-04-01

Also Published As

Publication number Publication date
NL180960C (en) 1987-05-18
NL180960B (en) 1986-12-16
FR2223720B1 (en) 1977-10-21
FR2223720A1 (en) 1974-10-25
DE2415615A1 (en) 1974-10-17
DE2415615C2 (en) 1983-12-01

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BT A document has been added to the application laid open to public inspection
BT A document has been added to the application laid open to public inspection
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Lapsed because of reaching the maximum lifetime of a patent