GB2062892B - Aid for the partially sighted - Google Patents

Aid for the partially sighted

Info

Publication number
GB2062892B
GB2062892B GB8034480A GB8034480A GB2062892B GB 2062892 B GB2062892 B GB 2062892B GB 8034480 A GB8034480 A GB 8034480A GB 8034480 A GB8034480 A GB 8034480A GB 2062892 B GB2062892 B GB 2062892B
Authority
GB
United Kingdom
Prior art keywords
aid
partially sighted
sighted
partially
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
Application number
GB8034480A
Other versions
GB2062892A (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.)
Dawson P J
Original Assignee
Dawson P J
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 Dawson P J filed Critical Dawson P J
Priority to GB8034480A priority Critical patent/GB2062892B/en
Publication of GB2062892A publication Critical patent/GB2062892A/en
Application granted granted Critical
Publication of GB2062892B publication Critical patent/GB2062892B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
GB8034480A 1979-11-07 1980-10-27 Aid for the partially sighted Expired GB2062892B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8034480A GB2062892B (en) 1979-11-07 1980-10-27 Aid for the partially sighted

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7938507 1979-11-07
GB8034480A GB2062892B (en) 1979-11-07 1980-10-27 Aid for the partially sighted

Publications (2)

Publication Number Publication Date
GB2062892A GB2062892A (en) 1981-05-28
GB2062892B true GB2062892B (en) 1983-11-16

Family

ID=26273460

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8034480A Expired GB2062892B (en) 1979-11-07 1980-10-27 Aid for the partially sighted

Country Status (1)

Country Link
GB (1) GB2062892B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08673Y2 (en) * 1988-11-25 1996-01-10 プラス株式会社 Reflective real projector

Also Published As

Publication number Publication date
GB2062892A (en) 1981-05-28

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee