GB2274369B - Range meter for a camera - Google Patents

Range meter for a camera

Info

Publication number
GB2274369B
GB2274369B GB9401140A GB9401140A GB2274369B GB 2274369 B GB2274369 B GB 2274369B GB 9401140 A GB9401140 A GB 9401140A GB 9401140 A GB9401140 A GB 9401140A GB 2274369 B GB2274369 B GB 2274369B
Authority
GB
United Kingdom
Prior art keywords
camera
range meter
meter
range
Prior art date
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
GB9401140A
Other versions
GB2274369A (en
GB9401140D0 (en
Inventor
Yuji Nakajima
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.)
Filing date
Publication date
Priority claimed from JP34384189A external-priority patent/JP3087072B2/en
Application filed by Seikosha KK filed Critical Seikosha KK
Publication of GB9401140D0 publication Critical patent/GB9401140D0/en
Publication of GB2274369A publication Critical patent/GB2274369A/en
Application granted granted Critical
Publication of GB2274369B publication Critical patent/GB2274369B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • 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
    • G01S17/87—Combinations of systems using electromagnetic waves other than radio waves
    • 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)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Measurement Of Optical Distance (AREA)
  • Automatic Focus Adjustment (AREA)
GB9401140A 1989-12-28 1994-01-21 Range meter for a camera Expired - Fee Related GB2274369B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP34384189A JP3087072B2 (en) 1989-12-28 1989-12-28 Camera ranging device
GB9028040A GB2239999B (en) 1989-12-28 1990-12-24 Range meter for a camera

Publications (3)

Publication Number Publication Date
GB9401140D0 GB9401140D0 (en) 1994-04-20
GB2274369A GB2274369A (en) 1994-07-20
GB2274369B true GB2274369B (en) 1994-09-28

Family

ID=26298180

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9401140A Expired - Fee Related GB2274369B (en) 1989-12-28 1994-01-21 Range meter for a camera

Country Status (1)

Country Link
GB (1) GB2274369B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10059156A1 (en) 2000-11-29 2002-06-06 Sick Ag Triangulation method for determining object distances has an arrangement of two measurement channels that increases measurement accuracy by allowing detection of interference effects
DE102007009244A1 (en) * 2007-02-22 2008-08-28 Sick Ag Method for checking the functioning and / or adjustment of an optoelectronic sensor arrangement and optoelectronic sensor arrangement

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219709A (en) * 1988-05-25 1989-12-13 Seikosha Kk Multiple flash range finder
GB2239760A (en) * 1989-12-27 1991-07-10 Seikosha Kk Range meter for a camera

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219709A (en) * 1988-05-25 1989-12-13 Seikosha Kk Multiple flash range finder
GB2239760A (en) * 1989-12-27 1991-07-10 Seikosha Kk Range meter for a camera

Also Published As

Publication number Publication date
GB2274369A (en) 1994-07-20
GB9401140D0 (en) 1994-04-20

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19950509

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041224