CA1145183A - Dispositif de focalisation d'objectif commande par sonar - Google Patents

Dispositif de focalisation d'objectif commande par sonar

Info

Publication number: CA1145183A
Authority: CA; Canada
Prior art keywords: lens; camera; lens holding; holding means; axis
Prior art date: 1978-06-26
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

CA000395262A

Other languages

English (en)

Inventor

George D. Whiteside

Bruce K. Johnson

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.)

1978-06-26

Filing date

1982-01-29

Publication date

1983-04-26

1978-06-26 Priority claimed from US05/919,084 external-priority patent/US4167316A/en

1982-01-29 Application filed by Polaroid Corp filed Critical Polaroid Corp

1982-01-29 Priority to CA000395262A priority Critical patent/CA1145183A/fr

1983-04-26 Application granted granted Critical

1983-04-26 Publication of CA1145183A publication Critical patent/CA1145183A/fr

Status Expired legal-status Critical Current

Links

238000006073 displacement reaction Methods 0.000 claims abstract description 17
230000000903 blocking effect Effects 0.000 claims description 6
230000001965 increasing effect Effects 0.000 claims description 4
230000003116 impacting effect Effects 0.000 claims description 3
230000000875 corresponding effect Effects 0.000 claims 1
230000005540 biological transmission Effects 0.000 description 15
230000033001 locomotion Effects 0.000 description 13
238000005266 casting Methods 0.000 description 11
230000006835 compression Effects 0.000 description 3
238000007906 compression Methods 0.000 description 3
230000003287 optical effect Effects 0.000 description 3
230000000694 effects Effects 0.000 description 2
230000000717 retained effect Effects 0.000 description 2
VREFGVBLTWBCJP-UHFFFAOYSA-N alprazolam Chemical compound C12=CC(Cl)=CC=C2N2C(C)=NN=C2CN=C1C1=CC=CC=C1 VREFGVBLTWBCJP-UHFFFAOYSA-N 0.000 description 1
230000000295 complement effect Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000000977 initiatory effect Effects 0.000 description 1
238000001746 injection moulding Methods 0.000 description 1
238000000034 method Methods 0.000 description 1
230000000750 progressive effect Effects 0.000 description 1
230000001360 synchronised effect Effects 0.000 description 1
238000004804 winding Methods 0.000 description 1

Landscapes

Focusing (AREA)

CA000395262A 1978-06-26 1982-01-29 Dispositif de focalisation d'objectif commande par sonar Expired CA1145183A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000395262A CA1145183A (fr)	1978-06-26	1982-01-29	Dispositif de focalisation d'objectif commande par sonar

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US05/919,084 US4167316A (en)	1978-06-26	1978-06-26	Sonar controlled lens focus apparatus
US919,084		1978-06-26
CA330,543A CA1131059A (fr)	1978-06-26	1979-06-26	Dispositif de focalisation d'objectif controle par sonar
CA000395262A CA1145183A (fr)	1978-06-26	1982-01-29	Dispositif de focalisation d'objectif commande par sonar

Publications (1)

Publication Number	Publication Date
CA1145183A true CA1145183A (fr)	1983-04-26

Family

ID=27166311

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000395262A Expired CA1145183A (fr)	1978-06-26	1982-01-29	Dispositif de focalisation d'objectif commande par sonar

Country Status (1)

Country	Link
CA (1)	CA1145183A (fr)

1982
- 1982-01-29 CA CA000395262A patent/CA1145183A/fr not_active Expired

Similar Documents

Publication	Publication Date	Title
US4167316A (en)	1979-09-11	Sonar controlled lens focus apparatus
US4643554A (en)	1987-02-17	Camera with focal length varying device
CA1293144C (fr)	1991-12-17	Dispositif d'entrainement pour teleobjectif de camera
US4426145A (en)	1984-01-17	Lens shutter camera
US4200378A (en)	1980-04-29	Automatic focusing camera with lens jam sensor control
CA1133305A (fr)	1982-10-12	Camera a focalisation automatique a rapidite de focalisation accrue
US20040033070A1 (en)	2004-02-19	Zoom lens drive system for lens shutter type of camera
US4961635A (en)	1990-10-09	Zoom lens drive mechanism
JPS6155099B2 (fr)	1986-11-26
CA1133304A (fr)	1982-10-12	Camera a focalisation automatique a mecanisme d'entrainement a impulsions
US4857947A (en)	1989-08-15	Position controlling device in a lens driving apparatus for camera
CA1145183A (fr)	1983-04-26	Dispositif de focalisation d'objectif commande par sonar
US4525053A (en)	1985-06-25	Motor-drivable photographing lens assembly
US4557573A (en)	1985-12-10	Photosensor arrangement for encoding lens and shutter blade position
JPH0216344Y2 (fr)	1990-05-07
US4238154A (en)	1980-12-09	Camera having too close/too far indication
US4243309A (en)	1981-01-06	Walking beam latch and lens disc actuator arrangement
US4374613A (en)	1983-02-22	Auto/manual camera employing common lens focusing data
JP2633163B2 (ja)	1997-07-23	固定焦点カメラの補助レンズ位置決めシステム
US4509840A (en)	1985-04-09	Lens drive for auto focus camera
US4233503A (en)	1980-11-11	Automatic focus adjusting system
US4336988A (en)	1982-06-29	Camera with lens disc drive system
USRE31362E (en)	1983-08-30	Autofocus movie camera having pulsed terminal drive means
US4217043A (en)	1980-08-12	Camera having an automatic focus control apparatus
US4307952A (en)	1981-12-29	Auto focus camera with electronic lens disc pawl release arrangement

Legal Events

Date	Code	Title	Description
2000-04-26	MKEX	Expiry