AU3734771A - Unitary trim control - Google Patents

Unitary trim control

Info

Publication number
AU3734771A
AU3734771A AU37347/71A AU3734771A AU3734771A AU 3734771 A AU3734771 A AU 3734771A AU 37347/71 A AU37347/71 A AU 37347/71A AU 3734771 A AU3734771 A AU 3734771A AU 3734771 A AU3734771 A AU 3734771A
Authority
AU
Australia
Prior art keywords
trim control
unitary trim
unitary
control
trim
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
AU37347/71A
Other versions
AU466012B2 (en
Inventor
Kean Johnson Bruce
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
Application filed by Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of AU466012B2 publication Critical patent/AU466012B2/en
Publication of AU3734771A publication Critical patent/AU3734771A/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
    • 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
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • G03B9/07—Diaphragms with means for presetting the diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)
AU37347/71A 1970-12-24 1971-12-24 Unitary trim control Expired AU466012B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10133670A 1970-12-24 1970-12-24
USUS101336 1970-12-24
US16477271A 1971-07-21 1971-07-21
USUS164772 1971-07-21

Publications (2)

Publication Number Publication Date
AU466012B2 AU466012B2 (en) 1973-06-28
AU3734771A true AU3734771A (en) 1973-06-28

Family

ID=

Also Published As

Publication number Publication date
DE2163294A1 (en) 1972-07-13
DE2163294C3 (en) 1981-06-11
DE2163294B2 (en) 1980-09-25
CA976016A (en) 1975-10-14
HK19276A (en) 1976-04-09
GB1331700A (en) 1973-09-26

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