GB1515004A - Lighting panel - Google Patents

Lighting panel

Info

Publication number
GB1515004A
GB1515004A GB22949/75A GB2294975A GB1515004A GB 1515004 A GB1515004 A GB 1515004A GB 22949/75 A GB22949/75 A GB 22949/75A GB 2294975 A GB2294975 A GB 2294975A GB 1515004 A GB1515004 A GB 1515004A
Authority
GB
United Kingdom
Prior art keywords
light
refractor
bat
ring
axis
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
GB22949/75A
Other languages
English (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.)
Bausch and Lomb Inc
Original Assignee
Bausch and Lomb Inc
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 Bausch and Lomb Inc filed Critical Bausch and Lomb Inc
Publication of GB1515004A publication Critical patent/GB1515004A/en
Expired 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/14—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing polarised light
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Polarising Elements (AREA)
GB22949/75A 1974-06-18 1975-05-23 Lighting panel Expired GB1515004A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48034374A 1974-06-18 1974-06-18
US57117175A 1975-05-01 1975-05-01

Publications (1)

Publication Number Publication Date
GB1515004A true GB1515004A (en) 1978-06-21

Family

ID=27046551

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22949/75A Expired GB1515004A (en) 1974-06-18 1975-05-23 Lighting panel

Country Status (4)

Country Link
JP (1) JPS5167681A (ko)
DE (1) DE2526059A1 (ko)
FR (1) FR2275730A1 (ko)
GB (1) GB1515004A (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT403403B (de) * 1987-02-12 1998-02-25 Zumtobel Ag Abdeckung für leuchten

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59188942A (ja) * 1983-04-11 1984-10-26 Nec Corp 高耐圧ｉｃ
JP2022104454A (ja) * 2020-12-28 2022-07-08 株式会社ダイセル マイクロレンズアレイ、拡散板及び照明装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT403403B (de) * 1987-02-12 1998-02-25 Zumtobel Ag Abdeckung für leuchten

Also Published As

Publication number Publication date
FR2275730A1 (fr) 1976-01-16
DE2526059A1 (de) 1976-03-25
JPS5167681A (ko) 1976-06-11
FR2275730B3 (ko) 1978-02-03

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Legal Events

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