IT1192700B - CONTROL SYSTEM FOR CAMERA WITH ILLUMINATED AUTOMATIC FOCUS WITH REGULATED ELECTRONIC LIGHT - Google Patents

CONTROL SYSTEM FOR CAMERA WITH ILLUMINATED AUTOMATIC FOCUS WITH REGULATED ELECTRONIC LIGHT

Info

Publication number
IT1192700B
IT1192700B IT21234/79A IT2123479A IT1192700B IT 1192700 B IT1192700 B IT 1192700B IT 21234/79 A IT21234/79 A IT 21234/79A IT 2123479 A IT2123479 A IT 2123479A IT 1192700 B IT1192700 B IT 1192700B
Authority
IT
Italy
Prior art keywords
camera
control system
automatic focus
electronic light
regulated electronic
Prior art date
Application number
IT21234/79A
Other languages
Italian (it)
Other versions
IT7921234A0 (en
Original Assignee
Polaroid 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
Priority claimed from US05/889,251 external-priority patent/US4156565A/en
Priority claimed from US05/917,477 external-priority patent/US4162836A/en
Application filed by Polaroid Corp filed Critical Polaroid Corp
Publication of IT7921234A0 publication Critical patent/IT7921234A0/en
Application granted granted Critical
Publication of IT1192700B publication Critical patent/IT1192700B/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
    • 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
    • G03B7/091—Digital circuits
    • 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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing
    • 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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
    • 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
    • G03B7/091—Digital circuits
    • G03B7/093—Digital 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
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
    • 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
    • G03B2215/00—Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05—Combinations of cameras with electronic flash units
IT21234/79A 1978-03-23 1979-03-23 CONTROL SYSTEM FOR CAMERA WITH ILLUMINATED AUTOMATIC FOCUS WITH REGULATED ELECTRONIC LIGHT IT1192700B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/889,251 US4156565A (en) 1978-03-23 1978-03-23 Control system for flash-illuminated automatic focusing camera
US05/917,477 US4162836A (en) 1978-06-21 1978-06-21 Electronic flash inhibit arrangement

Publications (2)

Publication Number Publication Date
IT7921234A0 IT7921234A0 (en) 1979-03-23
IT1192700B true IT1192700B (en) 1988-05-04

Family

ID=27128908

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21234/79A IT1192700B (en) 1978-03-23 1979-03-23 CONTROL SYSTEM FOR CAMERA WITH ILLUMINATED AUTOMATIC FOCUS WITH REGULATED ELECTRONIC LIGHT

Country Status (7)

Country Link
AT (1) AT365790B (en)
AU (1) AU526851B2 (en)
CH (1) CH646799A5 (en)
DE (1) DE2911306B2 (en)
FR (1) FR2420894A1 (en)
GB (1) GB2017323B (en)
IT (1) IT1192700B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473285A (en) * 1981-11-27 1984-09-25 W. Haking Enterprises Limited Automatic focusing camera

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522764A (en) * 1968-03-25 1970-08-04 Polaroid Corp Rangefinding and focusing system for photographic cameras and the like
DE1908052C2 (en) * 1969-02-18 1971-05-13 Metz App Werke Inh Paul Metz Electronic flash unit with automatic light control
US3917395A (en) * 1973-06-28 1975-11-04 Honeywell Inc Control circuit for photographic apparatus
US3846812A (en) * 1973-12-20 1974-11-05 Polaroid Corp Automatic electronic flash camera
US4074295A (en) * 1976-04-23 1978-02-14 Polaroid Corporation Compact accessory strobe for cameras with battery enclosed film pack

Also Published As

Publication number Publication date
GB2017323A (en) 1979-10-03
AU4534179A (en) 1979-09-27
CH646799A5 (en) 1984-12-14
GB2017323B (en) 1982-09-08
AU526851B2 (en) 1983-02-03
IT7921234A0 (en) 1979-03-23
FR2420894B1 (en) 1984-08-10
AT365790B (en) 1982-02-10
DE2911306B2 (en) 1981-02-12
ATA219879A (en) 1981-06-15
DE2911306A1 (en) 1979-10-04
FR2420894A1 (en) 1979-10-19

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