KR900019574U - Condensing reinforcement device for projection TV - Google Patents

Condensing reinforcement device for projection TV

Info

Publication number
KR900019574U
KR900019574U KR2019890005469U KR890005469U KR900019574U KR 900019574 U KR900019574 U KR 900019574U KR 2019890005469 U KR2019890005469 U KR 2019890005469U KR 890005469 U KR890005469 U KR 890005469U KR 900019574 U KR900019574 U KR 900019574U
Authority
KR
South Korea
Prior art keywords
condensing
projection
reinforcement device
reinforcement
condensing reinforcement
Prior art date
Application number
KR2019890005469U
Other languages
Korean (ko)
Other versions
KR930004831Y1 (en
Inventor
이동희
Original Assignee
주식회사 금성사
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 주식회사 금성사 filed Critical 주식회사 금성사
Priority to KR2019890005469U priority Critical patent/KR930004831Y1/en
Publication of KR900019574U publication Critical patent/KR900019574U/en
Application granted granted Critical
Publication of KR930004831Y1 publication Critical patent/KR930004831Y1/en

Links

Classifications

    • 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
    • H04N9/3155—Modulator illumination systems for controlling the light source
    • 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
    • G03B21/206—Control of light source other than position or intensity
    • 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
    • G03B21/28—Reflectors in projection beam

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
KR2019890005469U 1989-04-27 1989-04-27 Lens device of projection tv KR930004831Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890005469U KR930004831Y1 (en) 1989-04-27 1989-04-27 Lens device of projection tv

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890005469U KR930004831Y1 (en) 1989-04-27 1989-04-27 Lens device of projection tv

Publications (2)

Publication Number Publication Date
KR900019574U true KR900019574U (en) 1990-11-09
KR930004831Y1 KR930004831Y1 (en) 1993-07-23

Family

ID=19285615

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890005469U KR930004831Y1 (en) 1989-04-27 1989-04-27 Lens device of projection tv

Country Status (1)

Country Link
KR (1) KR930004831Y1 (en)

Also Published As

Publication number Publication date
KR930004831Y1 (en) 1993-07-23

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