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GB2353726B - Portable laser projector - Google Patents

Portable laser projector

Info

Publication number
GB2353726B
GB2353726B GB0020974A GB0020974A GB2353726B GB 2353726 B GB2353726 B GB 2353726B GB 0020974 A GB0020974 A GB 0020974A GB 0020974 A GB0020974 A GB 0020974A GB 2353726 B GB2353726 B GB 2353726B
Authority
GB
United Kingdom
Prior art keywords
laser projector
portable laser
portable
projector
laser
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 - Fee Related
Application number
GB0020974A
Other versions
GB0020974D0 (en
GB2353726A (en
Inventor
Thomas Smith
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
Publication of GB0020974D0 publication Critical patent/GB0020974D0/en
Publication of GB2353726A publication Critical patent/GB2353726A/en
Application granted granted Critical
Publication of GB2353726B publication Critical patent/GB2353726B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G03B21/001—Slide projectors
    • 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
    • G03B21/14—Details
    • G03B21/145—Housing details, e.g. position adjustments thereof
    • 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
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • 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
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3161—Modulator illumination systems using laser light sources
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
GB0020974A 1999-08-28 2000-08-29 Portable laser projector Expired - Fee Related GB2353726B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9920433.1A GB9920433D0 (en) 1999-08-28 1999-08-28 Portable laser projector

Publications (3)

Publication Number Publication Date
GB0020974D0 GB0020974D0 (en) 2000-10-11
GB2353726A GB2353726A (en) 2001-03-07
GB2353726B true GB2353726B (en) 2003-11-19

Family

ID=10859998

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9920433.1A Ceased GB9920433D0 (en) 1999-08-28 1999-08-28 Portable laser projector
GB0020974A Expired - Fee Related GB2353726B (en) 1999-08-28 2000-08-29 Portable laser projector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9920433.1A Ceased GB9920433D0 (en) 1999-08-28 1999-08-28 Portable laser projector

Country Status (1)

Country Link
GB (2) GB9920433D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008016461A1 (en) * 2008-03-31 2009-10-01 Giesecke & Devrient Gmbh Lighting for a tester

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1396108A (en) * 1971-09-15 1975-06-04 Siemens Ag Lighting effect generators
GB2249164A (en) * 1990-10-22 1992-04-29 Tasco Communications Ltd An illumination lamp apparatus
US5864417A (en) * 1997-06-25 1999-01-26 Ho; Ko-Liang Laser audio-visual equipment
GB2345449A (en) * 1999-01-11 2000-07-12 Oliver Martin A method and apparatus for forming an image

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1396108A (en) * 1971-09-15 1975-06-04 Siemens Ag Lighting effect generators
GB2249164A (en) * 1990-10-22 1992-04-29 Tasco Communications Ltd An illumination lamp apparatus
US5864417A (en) * 1997-06-25 1999-01-26 Ho; Ko-Liang Laser audio-visual equipment
GB2345449A (en) * 1999-01-11 2000-07-12 Oliver Martin A method and apparatus for forming an image

Also Published As

Publication number Publication date
GB0020974D0 (en) 2000-10-11
GB9920433D0 (en) 1999-11-03
GB2353726A (en) 2001-03-07

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Legal Events

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

Effective date: 20160829