AU526851B2 - Control system for flash-illuminated automatic focusing camera - Google Patents

Control system for flash-illuminated automatic focusing camera

Info

Publication number
AU526851B2
AU526851B2 AU45341/79A AU4534179A AU526851B2 AU 526851 B2 AU526851 B2 AU 526851B2 AU 45341/79 A AU45341/79 A AU 45341/79A AU 4534179 A AU4534179 A AU 4534179A AU 526851 B2 AU526851 B2 AU 526851B2
Authority
AU
Australia
Prior art keywords
flash
control system
automatic focusing
focusing camera
illuminated
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.)
Ceased
Application number
AU45341/79A
Other versions
AU4534179A (en
Inventor
George Couper Harrison
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.)
Polaroid Corp
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 AU4534179A publication Critical patent/AU4534179A/en
Application granted granted Critical
Publication of AU526851B2 publication Critical patent/AU526851B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • G03B7/091—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
AU45341/79A 1978-03-23 1979-03-22 Control system for flash-illuminated automatic focusing camera Ceased AU526851B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US889251 1978-03-23
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
US917477 2001-07-27

Publications (2)

Publication Number Publication Date
AU4534179A AU4534179A (en) 1979-09-27
AU526851B2 true AU526851B2 (en) 1983-02-03

Family

ID=27128908

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45341/79A Ceased AU526851B2 (en) 1978-03-23 1979-03-22 Control system for flash-illuminated automatic focusing camera

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
IT7921234A0 (en) 1979-03-23
AU4534179A (en) 1979-09-27
AT365790B (en) 1982-02-10
GB2017323A (en) 1979-10-03
DE2911306B2 (en) 1981-02-12
DE2911306A1 (en) 1979-10-04
ATA219879A (en) 1981-06-15
GB2017323B (en) 1982-09-08
IT1192700B (en) 1988-05-04
CH646799A5 (en) 1984-12-14
FR2420894A1 (en) 1979-10-19
FR2420894B1 (en) 1984-08-10

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