GB2226120B - A lamp lens - Google Patents

A lamp lens

Info

Publication number
GB2226120B
GB2226120B GB8827353A GB8827353A GB2226120B GB 2226120 B GB2226120 B GB 2226120B GB 8827353 A GB8827353 A GB 8827353A GB 8827353 A GB8827353 A GB 8827353A GB 2226120 B GB2226120 B GB 2226120B
Authority
GB
United Kingdom
Prior art keywords
lamp lens
lens
lamp
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 - Lifetime
Application number
GB8827353A
Other versions
GB2226120A (en
GB8827353D0 (en
Inventor
Keith David Handy
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.)
Glasdon Ltd
Glasdon Group Ltd
Original Assignee
Glasdon Ltd
Glasdon Group Ltd
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 Glasdon Ltd, Glasdon Group Ltd filed Critical Glasdon Ltd
Priority to GB8827353A priority Critical patent/GB2226120B/en
Publication of GB8827353D0 publication Critical patent/GB8827353D0/en
Publication of GB2226120A publication Critical patent/GB2226120A/en
Application granted granted Critical
Publication of GB2226120B publication Critical patent/GB2226120B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB8827353A 1988-11-23 1988-11-23 A lamp lens Expired - Lifetime GB2226120B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8827353A GB2226120B (en) 1988-11-23 1988-11-23 A lamp lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8827353A GB2226120B (en) 1988-11-23 1988-11-23 A lamp lens

Publications (3)

Publication Number Publication Date
GB8827353D0 GB8827353D0 (en) 1988-12-29
GB2226120A GB2226120A (en) 1990-06-20
GB2226120B true GB2226120B (en) 1992-02-26

Family

ID=10647316

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8827353A Expired - Lifetime GB2226120B (en) 1988-11-23 1988-11-23 A lamp lens

Country Status (1)

Country Link
GB (1) GB2226120B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2267332B (en) * 1992-05-28 1995-09-06 Glasdon Ltd A lamp lens
US5471372A (en) * 1993-12-06 1995-11-28 Ardco, Inc. Lighting system for commercial refrigerator doors
DE19607872C2 (en) * 1996-03-01 1999-08-12 Sonlux Licht Und Elektroinstal Luminaire with motion detector

Also Published As

Publication number Publication date
GB2226120A (en) 1990-06-20
GB8827353D0 (en) 1988-12-29

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Legal Events

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

Effective date: 19961123