NL180960B - REFLEX CAMERA WITH AUTOMATIC EXPOSURE ADJUSTMENT. - Google Patents

REFLEX CAMERA WITH AUTOMATIC EXPOSURE ADJUSTMENT.

Info

Publication number
NL180960B
NL180960B NLAANVRAGE7404331,A NL7404331A NL180960B NL 180960 B NL180960 B NL 180960B NL 7404331 A NL7404331 A NL 7404331A NL 180960 B NL180960 B NL 180960B
Authority
NL
Netherlands
Prior art keywords
automatic exposure
reflex camera
exposure adjustment
adjustment
reflex
Prior art date
Application number
NLAANVRAGE7404331,A
Other languages
Dutch (nl)
Other versions
NL180960C (en
NL7404331A (en
Original Assignee
Canon 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
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 by Canon Kk filed Critical Canon Kk
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 NL7404331A (en) 1974-10-02
NL180960B true 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
FR2223720B1 (en) 1977-10-21
FR2223720A1 (en) 1974-10-25
DE2415615A1 (en) 1974-10-17
DE2415615C2 (en) 1983-12-01
NL7404331A (en) 1974-10-02

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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