GB2287599B - Distance measuring device for cameras - Google Patents

Distance measuring device for cameras

Info

Publication number: GB2287599B
Authority: GB; United Kingdom
Prior art keywords: cameras; measuring device; distance measuring; distance; measuring
Prior art date: 1994-03-16
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

GB9505290A

Other versions

GB2287599A (en

GB9505290D0 (en

Inventor

Hiroyuki Saito

Michio Kawai

Akira Ito

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.)

Seikosha KK

Original Assignee

Seikosha KK

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.)

1994-03-16

Filing date

1995-03-16

Publication date

1998-02-11

1995-03-16 Application filed by Seikosha KK filed Critical Seikosha KK

1995-05-03 Publication of GB9505290D0 publication Critical patent/GB9505290D0/en

1995-09-20 Publication of GB2287599A publication Critical patent/GB2287599A/en

1998-02-11 Application granted granted Critical

1998-02-11 Publication of GB2287599B publication Critical patent/GB2287599B/en

2015-03-16 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
- 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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/46—Indirect determination of position data

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Optics & Photonics (AREA)
Computer Networks & Wireless Communication (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Focusing (AREA)
Measurement Of Optical Distance (AREA)
Automatic Focus Adjustment (AREA)

GB9505290A 1994-03-16 1995-03-16 Distance measuring device for cameras Expired - Fee Related GB2287599B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP4584494A JP3481994B2 (en)	1994-03-16	1994-03-16	Camera ranging device

Publications (3)

Publication Number	Publication Date
GB9505290D0 GB9505290D0 (en)	1995-05-03
GB2287599A GB2287599A (en)	1995-09-20
GB2287599B true GB2287599B (en)	1998-02-11

Family

ID=12730531

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9505290A Expired - Fee Related GB2287599B (en)	1994-03-16	1995-03-16	Distance measuring device for cameras

Country Status (3)

Country	Link
JP (1)	JP3481994B2 (en)
DE (1)	DE19509444A1 (en)
GB (1)	GB2287599B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3337868B2 (en) *	1995-05-26	2002-10-28	セイコープレシジョン株式会社	Camera ranging device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2279197A (en) *	1993-06-16	1994-12-21	Seikosha Kk	Distance measuring device

1994
- 1994-03-16 JP JP4584494A patent/JP3481994B2/en not_active Expired - Fee Related
1995
- 1995-03-16 GB GB9505290A patent/GB2287599B/en not_active Expired - Fee Related
- 1995-03-16 DE DE1995109444 patent/DE19509444A1/en not_active Withdrawn

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2279197A (en) *	1993-06-16	1994-12-21	Seikosha Kk	Distance measuring device

Also Published As

Publication number	Publication date
JP3481994B2 (en)	2003-12-22
GB2287599A (en)	1995-09-20
DE19509444A1 (en)	1995-09-21
JPH07253322A (en)	1995-10-03
GB9505290D0 (en)	1995-05-03

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Legal Events

Date	Code	Title	Description
1998-06-24	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2004-03-10	746	Register noted 'licences of right' (sect. 46/1977)	Effective date: 20040212
2006-11-29	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20060316