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GB8304443D0 - Optical projection system - Google Patents

Optical projection system

Info

Publication number
GB8304443D0
GB8304443D0 GB838304443A GB8304443A GB8304443D0 GB 8304443 D0 GB8304443 D0 GB 8304443D0 GB 838304443 A GB838304443 A GB 838304443A GB 8304443 A GB8304443 A GB 8304443A GB 8304443 D0 GB8304443 D0 GB 8304443D0
Authority
GB
United Kingdom
Prior art keywords
projection system
optical projection
optical
projection
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Withdrawn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
GB838304443A
Other versions
GB2115544A (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 GB08304443A priority Critical patent/GB2115544A/en
Publication of GB8304443D0 publication Critical patent/GB8304443D0/en
Publication of GB2115544A publication Critical patent/GB2115544A/en
Withdrawn legal-status Critical Current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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Led Device Packages (AREA)
GB08304443A 1982-02-17 1983-02-17 An optical projection system Withdrawn GB2115544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08304443A GB2115544A (en) 1982-02-17 1983-02-17 An optical projection system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8204561 1982-02-17
GB08304443A GB2115544A (en) 1982-02-17 1983-02-17 An optical projection system

Publications (2)

Publication Number Publication Date
GB8304443D0 true GB8304443D0 (en) 1983-03-23
GB2115544A GB2115544A (en) 1983-09-07

Family

ID=26281991

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08304443A Withdrawn GB2115544A (en) 1982-02-17 1983-02-17 An optical projection system

Country Status (1)

Country Link
GB (1) GB2115544A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334231B1 (en) * 1988-03-18 1994-10-12 Fuji Photo Film Co., Ltd. Microfilm searching and reading device
FR2645286B1 (en) * 1989-03-29 1992-01-03 Gen Electric Cgr LIGHT RADIOGRAPHY TABLE
WO1991004442A1 (en) * 1989-09-21 1991-04-04 Nauchno-Proizvodstvennoe Obiedinenie Po Avtoelektronike I Avtotraktornomu Elektrooborudovaniju Illuminating-engineering light reflector
FR2712400B1 (en) * 1993-11-09 1996-02-16 Fas Microfiche reader.

Also Published As

Publication number Publication date
GB2115544A (en) 1983-09-07

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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)