JPS57154206A - Focusing device - Google Patents

Focusing device

Info

Publication number: JPS57154206A
Authority: JP; Japan
Prior art keywords: lens; signal; focusing; irradiating direction; satisfactorily
Prior art date: 1981-03-17
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.): Granted

Application number

JP56038447A

Other languages

English (en)

Other versions

JPH0526176B2 (ja

Inventor

Tatsuo Inoue

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.)

Sony Corp

Original Assignee

Sony 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.)

1981-03-17

Filing date

1981-03-17

Publication date

1982-09-24

1981-03-17 Application filed by Sony Corp filed Critical Sony Corp

1981-03-17 Priority to JP56038447A priority Critical patent/JPS57154206A/ja

1982-02-26 Priority to CA000397160A priority patent/CA1173284A/en

1982-03-09 Priority to KR8201605A priority patent/KR890001454B1/ko

1982-03-10 Priority to FR8204034A priority patent/FR2502354B1/fr

1982-03-15 Priority to AT0102382A priority patent/AT376813B/de

1982-03-15 Priority to NL8201070A priority patent/NL8201070A/nl

1982-03-16 Priority to GB8207558A priority patent/GB2095505A/en

1982-03-16 Priority to DE19823209517 priority patent/DE3209517A1/de

1982-09-24 Publication of JPS57154206A publication Critical patent/JPS57154206A/ja

1993-04-15 Publication of JPH0526176B2 publication Critical patent/JPH0526176B2/ja

Status Granted legal-status Critical Current

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
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/10—Power-operated focusing
- 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
- G02B7/282—Autofocusing of zoom lenses

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Focusing (AREA)
Automatic Focus Adjustment (AREA)
Character Input (AREA)
Accessories Of Cameras (AREA)

JP56038447A 1981-03-17 1981-03-17 Focusing device Granted JPS57154206A (en)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
JP56038447A JPS57154206A (en)	1981-03-17	1981-03-17	Focusing device
CA000397160A CA1173284A (en)	1981-03-17	1982-02-26	Auto focus system
KR8201605A KR890001454B1 (ko)	1981-03-17	1982-03-09	초점 조절장치
FR8204034A FR2502354B1 (fr)	1981-03-17	1982-03-10	Installation de mise au point automatique pour appareil de prise de vues tel qu'une camera de television a focale variable
AT0102382A AT376813B (de)	1981-03-17	1982-03-15	Automatisches fokussiersystem
NL8201070A NL8201070A (nl)	1981-03-17	1982-03-15	Stelsel voor automatische focussering van een beeldopneemlens.
GB8207558A GB2095505A (en)	1981-03-17	1982-03-16	Automatic focusing
DE19823209517 DE3209517A1 (de)	1981-03-17	1982-03-16	Automatisches scharfeinstellungssystem fuer ein aufnahmeobjektiv und dieses system verwendende fotografische kamera

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP56038447A JPS57154206A (en)	1981-03-17	1981-03-17	Focusing device

Publications (2)

Publication Number	Publication Date
JPS57154206A true JPS57154206A (en)	1982-09-24
JPH0526176B2 JPH0526176B2 (ja)	1993-04-15

Family

ID=12525538

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP56038447A Granted JPS57154206A (en)	1981-03-17	1981-03-17	Focusing device

Country Status (8)

Country	Link
JP (1)	JPS57154206A (ja)
KR (1)	KR890001454B1 (ja)
AT (1)	AT376813B (ja)
CA (1)	CA1173284A (ja)
DE (1)	DE3209517A1 (ja)
FR (1)	FR2502354B1 (ja)
GB (1)	GB2095505A (ja)
NL (1)	NL8201070A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5995336U (ja) *	1982-12-17	1984-06-28	ソニー株式会社	ビデオカメラ
US4801963A (en) *	1985-12-18	1989-01-31	Canon Kabushiki Kaisha	Focus detecting system
US5305047A (en) *	1988-10-11	1994-04-19	Canon Kabushiki Kaisha	Pattern projector having a multi-portion projection lens and camera comprising the same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3310601C2 (de) *	1982-03-24	1994-02-10	Canon Kk	Entfernungsmeßvorrichtung
JPS606114U (ja) *	1983-06-24	1985-01-17	キヤノン株式会社	焦点検出装置
KR102093637B1 (ko) *	2017-10-20	2020-03-27	전자부품연구원	라이다 장치 및 이를 포함하는 라이다 시스템

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS51120725A (en) *	1975-04-16	1976-10-22	Sankyo Kogaku Kogyo Kk	Automatic forcusing camera
JPS5262022A (en) *	1975-11-17	1977-05-23	Bell & Howell Co	Closed loop automatic focusing system
JPS54155832A (en) *	1978-05-30	1979-12-08	Canon Inc	Focusing detector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3759614A (en) *	1971-02-10	1973-09-18	Eastman Kodak Co	Dual photocell range finder apparatus
US4083056A (en) *	1975-09-09	1978-04-04	Asahi Kogaku Kogyo Kabushiki Kaisha	Focus detecting device for single-lens reflex cameras
FR2396325A1 (fr) *	1977-07-01	1979-01-26	Olympus Optical Co	Dispositif de mise au point automatique d'une image

1981
- 1981-03-17 JP JP56038447A patent/JPS57154206A/ja active Granted
1982
- 1982-02-26 CA CA000397160A patent/CA1173284A/en not_active Expired
- 1982-03-09 KR KR8201605A patent/KR890001454B1/ko active
- 1982-03-10 FR FR8204034A patent/FR2502354B1/fr not_active Expired
- 1982-03-15 AT AT0102382A patent/AT376813B/de not_active IP Right Cessation
- 1982-03-15 NL NL8201070A patent/NL8201070A/nl not_active Application Discontinuation
- 1982-03-16 DE DE19823209517 patent/DE3209517A1/de not_active Withdrawn
- 1982-03-16 GB GB8207558A patent/GB2095505A/en not_active Withdrawn

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS51120725A (en) *	1975-04-16	1976-10-22	Sankyo Kogaku Kogyo Kk	Automatic forcusing camera
JPS5262022A (en) *	1975-11-17	1977-05-23	Bell & Howell Co	Closed loop automatic focusing system
JPS54155832A (en) *	1978-05-30	1979-12-08	Canon Inc	Focusing detector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5995336U (ja) *	1982-12-17	1984-06-28	ソニー株式会社	ビデオカメラ
JPH0334726Y2 (ja) *	1982-12-17	1991-07-23
US4801963A (en) *	1985-12-18	1989-01-31	Canon Kabushiki Kaisha	Focus detecting system
US5305047A (en) *	1988-10-11	1994-04-19	Canon Kabushiki Kaisha	Pattern projector having a multi-portion projection lens and camera comprising the same

Also Published As

Publication number	Publication date
KR830009501A (ko)	1983-12-21
CA1173284A (en)	1984-08-28
AT376813B (de)	1985-01-10
GB2095505A (en)	1982-09-29
KR890001454B1 (ko)	1989-05-03
ATA102382A (de)	1984-05-15
FR2502354B1 (fr)	1985-06-21
DE3209517A1 (de)	1982-10-14
FR2502354A1 (fr)	1982-09-24
NL8201070A (nl)	1982-10-18
JPH0526176B2 (ja)	1993-04-15

Publication	Publication Date	Title
JPS5764217A (en)	1982-04-19	Automatic focusing camera
JPS57158826A (en)	1982-09-30	Automatic focusing device for stereoscopical microscope
JPS57102609A (en)	1982-06-25	Method and device for scanning using plural number of beams
JPS57150812A (en)	1982-09-17	Dark field illuminating optical system
GB1324323A (en)	1973-07-25	Automatic focusing of an optical image
JPS5295221A (en)	1977-08-10	Detector for focusing
GR3003610T3 (ja)	1993-03-16
SE7901692L (sv)	1979-08-28	Optisk anordning for bestemning av ljusuttredesvinkeln
JPS57154206A (en)	1982-09-24	Focusing device
JPS5689005A (en)	1981-07-20	Position detector
JPS5773709A (en)	1982-05-08	Focusing-point detector
JPS5767815A (en)	1982-04-24	Measuring method for position of reflector using light
GB2066014A (en)	1981-07-01	>Focus indicator
JPS5669606A (en)	1981-06-11	Focus detector
GB2022823A (en)	1979-12-19	A Device for Determining the Quality of the Finish Optical Surfaces
JPS5746217A (en)	1982-03-16	Light beam focusing device
JPS57210308A (en)	1982-12-23	Focus detecting device
JPS54106253A (en)	1979-08-21	Automatic focusing device
JPS56130725A (en)	1981-10-13	Optical device for focus detection
JPS5544926A (en)	1980-03-29	Article surface fault detector
JPS5694742A (en)	1981-07-31	Electronic beam exposure device
JPS56152249A (en)	1981-11-25	Image pickup device for inspection
JPS5717910A (en)	1982-01-29	Focal point detector
JPS55146425A (en)	1980-11-14	Automatic focus control unit
JPS6417030A (en)	1989-01-20	Image pickup device