GB0717454D0 - Improvements to road saftey - Google Patents

Improvements to road saftey

Info

Publication number
GB0717454D0
GB0717454D0 GBGB0717454.3A GB0717454A GB0717454D0 GB 0717454 D0 GB0717454 D0 GB 0717454D0 GB 0717454 A GB0717454 A GB 0717454A GB 0717454 D0 GB0717454 D0 GB 0717454D0
Authority
GB
United Kingdom
Prior art keywords
saftey
road
road saftey
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.)
Withdrawn
Application number
GBGB0717454.3A
Other versions
GB2443048A (en
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
Application filed by Individual filed Critical Individual
Priority to GB0717454A priority Critical patent/GB2443048A/en
Priority claimed from GB0426171A external-priority patent/GB2420631C/en
Publication of GB0717454D0 publication Critical patent/GB0717454D0/en
Publication of GB2443048A publication Critical patent/GB2443048A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/18—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state for vehicle drivers or machine operators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
    • A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
    • A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
GB0717454A 2004-11-30 2004-11-30 Vehicle driver eye-sight test device located on or adjacent the road Withdrawn GB2443048A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0717454A GB2443048A (en) 2004-11-30 2004-11-30 Vehicle driver eye-sight test device located on or adjacent the road

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0717454A GB2443048A (en) 2004-11-30 2004-11-30 Vehicle driver eye-sight test device located on or adjacent the road
GB0426171A GB2420631C (en) 2004-11-30 2004-11-30 An electronic vehicle occupant sight testing assembly.

Publications (2)

Publication Number Publication Date
GB0717454D0 true GB0717454D0 (en) 2007-10-17
GB2443048A GB2443048A (en) 2008-04-23

Family

ID=38640420

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0717454A Withdrawn GB2443048A (en) 2004-11-30 2004-11-30 Vehicle driver eye-sight test device located on or adjacent the road

Country Status (1)

Country Link
GB (1) GB2443048A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622474A (en) * 1952-01-09 1952-12-23 Clay W Keith Portable vision testing device
KR100208900B1 (en) * 1995-12-05 1999-07-15 구자홍 Apparatus for an eye testing by using monitor and television receiver

Also Published As

Publication number Publication date
GB2443048A (en) 2008-04-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)