GB2273016B - Distance measuring apparatus - Google Patents

Distance measuring apparatus

Info

Publication number
GB2273016B
GB2273016B GB9324524A GB9324524A GB2273016B GB 2273016 B GB2273016 B GB 2273016B GB 9324524 A GB9324524 A GB 9324524A GB 9324524 A GB9324524 A GB 9324524A GB 2273016 B GB2273016 B GB 2273016B
Authority
GB
United Kingdom
Prior art keywords
measuring apparatus
distance measuring
distance
measuring
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
GB9324524A
Other versions
GB9324524D0 (en
GB2273016A (en
Inventor
Yoichi Seki
Hiroyuki Saito
Akira Ito
Hideo Yoshikawa
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
Application filed by Seikosha KK filed Critical Seikosha KK
Publication of GB9324524D0 publication Critical patent/GB9324524D0/en
Publication of GB2273016A publication Critical patent/GB2273016A/en
Application granted granted Critical
Publication of GB2273016B publication Critical patent/GB2273016B/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
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating
    • 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)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of Optical Distance (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
GB9324524A 1992-11-30 1993-11-30 Distance measuring apparatus Expired - Fee Related GB2273016B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32036992A JP3223306B2 (en) 1992-11-30 1992-11-30 Camera ranging device

Publications (3)

Publication Number Publication Date
GB9324524D0 GB9324524D0 (en) 1994-01-19
GB2273016A GB2273016A (en) 1994-06-01
GB2273016B true GB2273016B (en) 1996-05-15

Family

ID=18120712

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9324524A Expired - Fee Related GB2273016B (en) 1992-11-30 1993-11-30 Distance measuring apparatus

Country Status (3)

Country Link
JP (1) JP3223306B2 (en)
DE (1) DE4340750A1 (en)
GB (1) GB2273016B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137840A (en) * 1983-02-24 1984-10-10 Asahi Optical Co Ltd Automatic focus detecting
US4673274A (en) * 1984-09-18 1987-06-16 Matsushita Electric Industrial Co., Ltd. Automatic focusing apparatus for camera
US5128529A (en) * 1988-12-29 1992-07-07 Seikosha Co., Ltd. Autofocusing device with improved distance focusing accuracy

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137840A (en) * 1983-02-24 1984-10-10 Asahi Optical Co Ltd Automatic focus detecting
US4673274A (en) * 1984-09-18 1987-06-16 Matsushita Electric Industrial Co., Ltd. Automatic focusing apparatus for camera
US5128529A (en) * 1988-12-29 1992-07-07 Seikosha Co., Ltd. Autofocusing device with improved distance focusing accuracy

Also Published As

Publication number Publication date
JP3223306B2 (en) 2001-10-29
DE4340750A1 (en) 1994-06-16
GB9324524D0 (en) 1994-01-19
GB2273016A (en) 1994-06-01
JPH06167329A (en) 1994-06-14

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Legal Events

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

Effective date: 19970901

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: 20041130