GB2375831A - Ranging system - Google Patents

Ranging system Download PDF

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Publication number
GB2375831A
GB2375831A GB0215629A GB0215629A GB2375831A GB 2375831 A GB2375831 A GB 2375831A GB 0215629 A GB0215629 A GB 0215629A GB 0215629 A GB0215629 A GB 0215629A GB 2375831 A GB2375831 A GB 2375831A
Authority
GB
United Kingdom
Prior art keywords
alignment
ranging system
user
ranging
eye
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.)
Granted
Application number
GB0215629A
Other versions
GB0215629D0 (en
GB2375831B (en
Inventor
Anthony Peter Williams
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.)
Individual
Original Assignee
Individual
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 GBGB9928943.1A external-priority patent/GB9928943D0/en
Application filed by Individual filed Critical Individual
Publication of GB0215629D0 publication Critical patent/GB0215629D0/en
Publication of GB2375831A publication Critical patent/GB2375831A/en
Application granted granted Critical
Publication of GB2375831B publication Critical patent/GB2375831B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/142—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Eye Examination Apparatus (AREA)
  • User Interface Of Digital Computer (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

A ranging and/or alignment system comprises two points that, in use, are different distances from, for example, a user's eye (50). Rotation of the apparatus (3) away from correct alignment gives the user a visual warning of non-alignment (Figure 2(b)).

Description

{57) A ranging and/or alignment system comprises two points that, in use,
are different distances from, for example, a user's eye {50. Rotation of the apparatus (3) away from correct alignment gives the user a visual warning of non-alignment (Figure 21b}.
GB0215629A 1999-12-07 2000-12-07 Ranging system Expired - Fee Related GB2375831B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9928943.1A GB9928943D0 (en) 1999-12-07 1999-12-07 Ranging system
GB0008279A GB0008279D0 (en) 1999-12-07 2000-04-04 Ranging system
PCT/GB2000/004684 WO2001042738A1 (en) 1999-12-07 2000-12-07 Ranging system

Publications (3)

Publication Number Publication Date
GB0215629D0 GB0215629D0 (en) 2002-08-14
GB2375831A true GB2375831A (en) 2002-11-27
GB2375831B GB2375831B (en) 2004-04-14

Family

ID=26244041

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0215629A Expired - Fee Related GB2375831B (en) 1999-12-07 2000-12-07 Ranging system

Country Status (3)

Country Link
AU (1) AU2190301A (en)
GB (1) GB2375831B (en)
WO (1) WO2001042738A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10311057A1 (en) * 2003-03-13 2004-09-30 Siemens Ag Arrangement for varying appearance of equipment part has observable part whose appearance depends on viewing angle to part being observed so at least one symbol is visible to user or not visible
US7973848B2 (en) 2007-04-02 2011-07-05 Samsung Electronics Co., Ltd. Method and apparatus for providing composition information in digital image processing device
FR3049683A1 (en) * 2016-03-31 2017-10-06 Valeo Vision LUMINOUS WARNING DEVICE, IN PARTICULAR FOR MOTOR VEHICLE

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2529352A1 (en) * 1982-06-29 1983-12-30 Thomson Brandt View-finding system for TV camera - includes frame of light cast over photographed scene to enable subjects to realise whether they are within field of view
GB2154332A (en) * 1984-01-24 1985-09-04 Robert Kelvin Newton Optical sight
US5052807A (en) * 1990-06-28 1991-10-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Three dimensional moire pattern alignment
WO1995008454A1 (en) * 1993-09-24 1995-03-30 John Stanley Hall Apparatus for indicating driving distances
US5430473A (en) * 1992-01-03 1995-07-04 At&T Corp. Camera field-of-view indicator
EP0772075A2 (en) * 1995-10-30 1997-05-07 Eastman Kodak Company Framing masks for a camera

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2529352A1 (en) * 1982-06-29 1983-12-30 Thomson Brandt View-finding system for TV camera - includes frame of light cast over photographed scene to enable subjects to realise whether they are within field of view
GB2154332A (en) * 1984-01-24 1985-09-04 Robert Kelvin Newton Optical sight
US5052807A (en) * 1990-06-28 1991-10-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Three dimensional moire pattern alignment
US5430473A (en) * 1992-01-03 1995-07-04 At&T Corp. Camera field-of-view indicator
WO1995008454A1 (en) * 1993-09-24 1995-03-30 John Stanley Hall Apparatus for indicating driving distances
EP0772075A2 (en) * 1995-10-30 1997-05-07 Eastman Kodak Company Framing masks for a camera

Also Published As

Publication number Publication date
WO2001042738A1 (en) 2001-06-14
GB0215629D0 (en) 2002-08-14
AU2190301A (en) 2001-06-18
GB2375831B (en) 2004-04-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20051207