CA1108458A - Appareil photographique ou cinematographique a telemetrie et mise au point automatiques - Google Patents

Appareil photographique ou cinematographique a telemetrie et mise au point automatiques

Info

Publication number: CA1108458A
Authority: CA; Canada
Prior art keywords: lens; subject; pulse; focus; pulses
Prior art date: 1976-10-04
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

CA352,423A

Other languages

English (en)

Inventor

Edwin K. Shenk

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.)

1976-10-04

Filing date

1980-05-21

Publication date

1981-09-08

1977-07-06 Priority claimed from CA282,155A external-priority patent/CA1099554A/fr

1980-05-21 Application filed by Polaroid Corp filed Critical Polaroid Corp

1980-05-21 Priority to CA352,423A priority Critical patent/CA1108458A/fr

1981-09-08 Application granted granted Critical

1981-09-08 Publication of CA1108458A publication Critical patent/CA1108458A/fr

Status Expired legal-status Critical Current

Links

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230000006870 function Effects 0.000 description 30
238000006073 displacement reaction Methods 0.000 description 21
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230000003287 optical effect Effects 0.000 description 7
238000006243 chemical reaction Methods 0.000 description 3
230000008859 change Effects 0.000 description 2
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230000005540 biological transmission Effects 0.000 description 1
239000002131 composite material Substances 0.000 description 1
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230000001419 dependent effect Effects 0.000 description 1
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239000012530 fluid Substances 0.000 description 1
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238000007689 inspection Methods 0.000 description 1
238000012886 linear function Methods 0.000 description 1
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Landscapes

Focusing (AREA)
Automatic Focus Adjustment (AREA)

CA352,423A 1976-10-04 1980-05-21 Appareil photographique ou cinematographique a telemetrie et mise au point automatiques Expired CA1108458A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA352,423A CA1108458A (fr)	1976-10-04	1980-05-21	Appareil photographique ou cinematographique a telemetrie et mise au point automatiques

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US72928976A	1976-10-04	1976-10-04
US729,289		1976-10-04
CA282,155A CA1099554A (fr)	1976-10-04	1977-07-06	Methode de mise au point automatique de la lentille d'une camera en fonction de la distance de l'objet photographie
CA352,423A CA1108458A (fr)	1976-10-04	1980-05-21	Appareil photographique ou cinematographique a telemetrie et mise au point automatiques

Publications (1)

Publication Number	Publication Date
CA1108458A true CA1108458A (fr)	1981-09-08

Family

ID=27165171

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA352,423A Expired CA1108458A (fr)	1976-10-04	1980-05-21	Appareil photographique ou cinematographique a telemetrie et mise au point automatiques

Country Status (1)

Country	Link
CA (1)	CA1108458A (fr)

1980
- 1980-05-21 CA CA352,423A patent/CA1108458A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
1998-09-08	MKEX	Expiry