GB2317521B - Distance measuring device - Google Patents

Distance measuring device

Info

Publication number
GB2317521B
GB2317521B GB9725885A GB9725885A GB2317521B GB 2317521 B GB2317521 B GB 2317521B GB 9725885 A GB9725885 A GB 9725885A GB 9725885 A GB9725885 A GB 9725885A GB 2317521 B GB2317521 B GB 2317521B
Authority
GB
United Kingdom
Prior art keywords
measuring device
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
GB9725885A
Other versions
GB2317521A (en
GB9725885D0 (en
Inventor
Hiroyuki Saito
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.)
Filing date
Publication date
Priority claimed from JP14509593A external-priority patent/JP3234999B2/en
Priority claimed from JP14509693A external-priority patent/JP3232421B2/en
Application filed by Seikosha KK filed Critical Seikosha KK
Priority claimed from GB9412103A external-priority patent/GB2279197B/en
Publication of GB9725885D0 publication Critical patent/GB9725885D0/en
Publication of GB2317521A publication Critical patent/GB2317521A/en
Application granted granted Critical
Publication of GB2317521B publication Critical patent/GB2317521B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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
    • G01S7/491—Details of non-pulse systems
    • G01S7/4912—Receivers
    • G01S7/4915—Time delay measurement, e.g. operational details for pixel components; Phase measurement
    • 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
    • G01S7/491—Details of non-pulse systems
    • G01S7/4912—Receivers
    • G01S7/4918—Controlling received signal intensity, gain or exposure of sensor
    • 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
    • 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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters
    • 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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4818—Constructional features, e.g. arrangements of optical elements using optical fibres

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)
GB9725885A 1993-06-16 1994-06-16 Distance measuring device Expired - Fee Related GB2317521B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP14509593A JP3234999B2 (en) 1993-06-16 1993-06-16 Camera ranging device
JP14509693A JP3232421B2 (en) 1993-06-16 1993-06-16 Distance measuring device
GB9412103A GB2279197B (en) 1993-06-16 1994-06-16 Distance measuring device

Publications (3)

Publication Number Publication Date
GB9725885D0 GB9725885D0 (en) 1998-02-04
GB2317521A GB2317521A (en) 1998-03-25
GB2317521B true GB2317521B (en) 1998-05-06

Family

ID=27267239

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9725885A Expired - Fee Related GB2317521B (en) 1993-06-16 1994-06-16 Distance measuring device

Country Status (1)

Country Link
GB (1) GB2317521B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0175580A2 (en) * 1984-09-18 1986-03-26 Matsushita Electric Industrial Co., Ltd. Automatic focusing apparatus for camera
US4720723A (en) * 1983-06-24 1988-01-19 Canon Kabushiki Kaisha Distance measuring device
US4758082A (en) * 1985-04-17 1988-07-19 Canon Kabushiki Kaisha Distance detection apparatus
US5149011A (en) * 1991-06-20 1992-09-22 The United States Of America As Represented By The Secretary Of The Air Force Radar boresight error compensator
US5221955A (en) * 1991-08-29 1993-06-22 Olympus Optical Co., Ltd. Distance measuring apparatus for camera
GB2272592A (en) * 1992-10-29 1994-05-18 Seikosha Kk Distance measurement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720723A (en) * 1983-06-24 1988-01-19 Canon Kabushiki Kaisha Distance measuring device
EP0175580A2 (en) * 1984-09-18 1986-03-26 Matsushita Electric Industrial Co., Ltd. Automatic focusing apparatus for camera
US4758082A (en) * 1985-04-17 1988-07-19 Canon Kabushiki Kaisha Distance detection apparatus
US5149011A (en) * 1991-06-20 1992-09-22 The United States Of America As Represented By The Secretary Of The Air Force Radar boresight error compensator
US5221955A (en) * 1991-08-29 1993-06-22 Olympus Optical Co., Ltd. Distance measuring apparatus for camera
GB2272592A (en) * 1992-10-29 1994-05-18 Seikosha Kk Distance measurement

Also Published As

Publication number Publication date
GB2317521A (en) 1998-03-25
GB9725885D0 (en) 1998-02-04

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20040212

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050616