GB2266779B - An automatic focusing camera - Google Patents

An automatic focusing camera

Info

Publication number: GB2266779B
Authority: GB; United Kingdom
Prior art keywords: automatic focusing; focusing camera; camera; automatic; focusing
Prior art date: 1989-05-09
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 - Fee Related

Application number

GB9314083A

Other versions

GB9314083D0 (en

GB2266779A (en

Inventor

Akira Honma

Satoshi Takami

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.)

Pentax Corp

Original Assignee

Asahi Kogaku Kogyo Co Ltd

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.)

1989-05-09

Filing date

1993-07-08

Publication date

1994-02-09

1989-05-09 Priority claimed from JP1115297A external-priority patent/JP3012248B2/en

1993-07-08 Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd

1993-08-18 Publication of GB9314083D0 publication Critical patent/GB9314083D0/en

1993-11-10 Publication of GB2266779A publication Critical patent/GB2266779A/en

1994-02-09 Application granted granted Critical

1994-02-09 Publication of GB2266779B publication Critical patent/GB2266779B/en

2013-07-08 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Focusing (AREA)
Automatic Focus Adjustment (AREA)
Measurement Of Optical Distance (AREA)

GB9314083A 1989-05-09 1993-07-08 An automatic focusing camera Expired - Fee Related GB2266779B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP1115297A JP3012248B2 (en)	1989-05-09	1989-05-09	Automatic focus detection device and camera equipped with automatic focus detection device
GB9010384A GB2231676B (en)	1989-05-09	1990-05-09	Distance measuring device for a camera

Publications (3)

Publication Number	Publication Date
GB9314083D0 GB9314083D0 (en)	1993-08-18
GB2266779A GB2266779A (en)	1993-11-10
GB2266779B true GB2266779B (en)	1994-02-09

Family

ID=26297047

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
GB9314084A Expired - Fee Related GB2266780B (en)	1989-05-09	1993-07-08	An automatic focusing camera
GB9314184A Expired - Fee Related GB2266781B (en)	1989-05-09	1993-07-08	An automatic focusing camera
GB9314083A Expired - Fee Related GB2266779B (en)	1989-05-09	1993-07-08	An automatic focusing camera

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
GB9314084A Expired - Fee Related GB2266780B (en)	1989-05-09	1993-07-08	An automatic focusing camera
GB9314184A Expired - Fee Related GB2266781B (en)	1989-05-09	1993-07-08	An automatic focusing camera

Country Status (1)

Country	Link
GB (3)	GB2266780B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2298331B (en)	1995-02-22	2000-02-16	Asahi Optical Co Ltd	Distance measuring apparatus
KR101420425B1 (en) *	2007-09-03	2014-07-16	삼성전자주식회사	Apparatus and method for automatic focusing of a camera

1993
- 1993-07-08 GB GB9314084A patent/GB2266780B/en not_active Expired - Fee Related
- 1993-07-08 GB GB9314184A patent/GB2266781B/en not_active Expired - Fee Related
- 1993-07-08 GB GB9314083A patent/GB2266779B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
GB2266781B (en)	1994-01-26
GB2266780A (en)	1993-11-10
GB9314083D0 (en)	1993-08-18
GB2266781A (en)	1993-11-10
GB2266780B (en)	1994-01-26
GB9314084D0 (en)	1993-08-18
GB2266779A (en)	1993-11-10
GB9314184D0 (en)	1993-08-18

Publication	Publication Date	Title
GB2222337B (en)	1992-12-16	Automatic focusing camera
GB2251998B (en)	1995-01-25	Automatic focusing device
GB2223140B (en)	1993-03-03	Automatic focusing apparatus for camera
GB2226467B (en)	1993-08-04	Automatic focusing camera
GB2223139B (en)	1993-03-03	Automatic focusing apparatus
EP0421243A3 (en)	1993-05-12	Automatic focusing camera
GB2234080B (en)	1993-06-16	Auto focus camera
GB2217158B (en)	1992-03-25	Automatic focusing apparatus
EP0468455A3 (en)	1992-08-05	Automatic focusing device of camera
GB2161947B (en)	1988-06-29	Automatic focusing camera
EP0417975A3 (en)	1992-01-08	Automatic focusing system
EP0437966A3 (en)	1992-03-04	Automatic focusing device
GB2230398B (en)	1993-04-21	Automatic focusing device for a camera
EP0419179A3 (en)	1992-06-24	Automatic focusing system
GB2227569B (en)	1992-11-25	Camera employing automatic focusing unit
GB2224126B (en)	1993-03-31	Automatic focusing device
GB2266780B (en)	1994-01-26	An automatic focusing camera
GB2227850B (en)	1992-10-28	Automatic exposure camera
GB8904748D0 (en)	1989-04-12	Camera lens

Legal Events

Date	Code	Title	Description
2006-05-31	746	Register noted 'licences of right' (sect. 46/1977)	Effective date: 20060508
2008-09-03	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2008-11-19	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2010-01-27	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20090509