CA1122455A - Dispositif sequentiel et de reference pour le deplacement de la lentille d'une camera a mise au point unidirectionnelle automatique - Google Patents

Dispositif sequentiel et de reference pour le deplacement de la lentille d'une camera a mise au point unidirectionnelle automatique

Info

Publication number: CA1122455A
Authority: CA; Canada
Prior art keywords: lens; actuator; switch; conductive; range
Prior art date: 1977-12-30
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

CA318,864A

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.)

1977-12-30

Filing date

1978-12-29

Publication date

1982-04-27

1978-12-29 Application filed by Polaroid Corp filed Critical Polaroid Corp

1982-04-27 Application granted granted Critical

1982-04-27 Publication of CA1122455A publication Critical patent/CA1122455A/fr

Status Expired legal-status Critical Current

Links

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238000010168 coupling process Methods 0.000 claims description 10
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Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
- G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
General Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Computer Networks & Wireless Communication (AREA)
Optics & Photonics (AREA)
Focusing (AREA)
Lens Barrels (AREA)
Automatic Focus Adjustment (AREA)

CA318,864A 1977-12-30 1978-12-29 Dispositif sequentiel et de reference pour le deplacement de la lentille d'une camera a mise au point unidirectionnelle automatique Expired CA1122455A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US86585277A	1977-12-30	1977-12-30
US865,852		1977-12-30

Publications (1)

Publication Number	Publication Date
CA1122455A true CA1122455A (fr)	1982-04-27

Family

ID=25346383

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA318,864A Expired CA1122455A (fr)	1977-12-30	1978-12-29	Dispositif sequentiel et de reference pour le deplacement de la lentille d'une camera a mise au point unidirectionnelle automatique

Country Status (9)

Country	Link
JP (1)	JPS54109837A (fr)
AT (1)	AT377101B (fr)
AU (1)	AU525816B2 (fr)
CA (1)	CA1122455A (fr)
CH (1)	CH637222A5 (fr)
DE (1)	DE2856573A1 (fr)
FR (1)	FR2413680A1 (fr)
GB (1)	GB2013353B (fr)
IE (1)	IE48251B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN110235058A (zh) *	2017-01-27	2019-09-13	富士胶片株式会社	相机系统、相机、镜头、附件及相机系统的附件检测方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1151929A (fr) *	1980-03-03	1983-08-16	Kenneth C. Kiesel	Dispositif et methode de focalisation avec reglage de la profondeur de foyer de l'objectif
JPS59125718A (ja) *	1983-01-06	1984-07-20	Canon Inc	複写装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2105288B2 (de) *	1970-02-14	1973-03-15	Kabushiki Kaisha Ricoh, Tokio	Kamera mit automatischer scharfeinstellung
US3917395A (en) *	1973-06-28	1975-11-04	Honeywell Inc	Control circuit for photographic apparatus
CA1099554A (fr) *	1976-10-04	1981-04-21	Polaroid Corporation	Methode de mise au point automatique de la lentille d'une camera en fonction de la distance de l'objet photographie

1978
- 1978-12-18 GB GB7848907A patent/GB2013353B/en not_active Expired
- 1978-12-28 CH CH1320978A patent/CH637222A5/de not_active IP Right Cessation
- 1978-12-28 IE IE256378A patent/IE48251B1/en unknown
- 1978-12-28 DE DE19782856573 patent/DE2856573A1/de not_active Ceased
- 1978-12-29 JP JP16438678A patent/JPS54109837A/ja active Pending
- 1978-12-29 CA CA318,864A patent/CA1122455A/fr not_active Expired
1979
- 1979-01-02 FR FR7900019A patent/FR2413680A1/fr active Granted
- 1979-01-02 AU AU43062/79A patent/AU525816B2/en not_active Ceased
- 1979-01-02 AT AT1279A patent/AT377101B/de not_active IP Right Cessation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN110235058A (zh) *	2017-01-27	2019-09-13	富士胶片株式会社	相机系统、相机、镜头、附件及相机系统的附件检测方法
CN110235058B (zh) *	2017-01-27	2021-04-30	富士胶片株式会社	相机系统、相机、镜头、附件及相机系统的附件检测方法
US11265448B2 (en)	2017-01-27	2022-03-01	Fujifilm Corporation	Camera system, camera, lens, accessory, and accessory detection method of camera system

Also Published As

Publication number	Publication date
AT377101B (de)	1985-02-11
GB2013353A (en)	1979-08-08
IE48251B1 (en)	1984-11-14
FR2413680A1 (fr)	1979-07-27
DE2856573A1 (de)	1979-07-05
JPS54109837A (en)	1979-08-28
ATA1279A (de)	1984-06-15
AU525816B2 (en)	1982-12-02
FR2413680B1 (fr)	1983-11-18
CH637222A5 (de)	1983-07-15
GB2013353B (en)	1982-05-19
IE782563L (en)	1979-06-30
AU4306279A (en)	1979-07-05

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Legal Events

Date	Code	Title	Description
1999-04-27	MKEX	Expiry