KR900001209U - Tv 화면 확대 투시장치 - Google Patents

Tv 화면 확대 투시장치

Info

Publication number
KR900001209U
KR900001209U KR2019880009291U KR880009291U KR900001209U KR 900001209 U KR900001209 U KR 900001209U KR 2019880009291 U KR2019880009291 U KR 2019880009291U KR 880009291 U KR880009291 U KR 880009291U KR 900001209 U KR900001209 U KR 900001209U
Authority
KR
South Korea
Prior art keywords
screen magnifier
magnifier
screen
Prior art date
Application number
KR2019880009291U
Other languages
English (en)
Other versions
KR900008882Y1 (ko
Inventor
배을출
Original Assignee
배을출
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 배을출 filed Critical 배을출
Priority to KR2019880009291U priority Critical patent/KR900008882Y1/ko
Publication of KR900001209U publication Critical patent/KR900001209U/ko
Application granted granted Critical
Publication of KR900008882Y1 publication Critical patent/KR900008882Y1/ko

Links

Classifications

    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
KR2019880009291U 1988-06-16 1988-06-16 Tv 화면 확대 투시장치 KR900008882Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880009291U KR900008882Y1 (ko) 1988-06-16 1988-06-16 Tv 화면 확대 투시장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880009291U KR900008882Y1 (ko) 1988-06-16 1988-06-16 Tv 화면 확대 투시장치

Publications (2)

Publication Number Publication Date
KR900001209U true KR900001209U (ko) 1990-01-18
KR900008882Y1 KR900008882Y1 (ko) 1990-09-29

Family

ID=19276372

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880009291U KR900008882Y1 (ko) 1988-06-16 1988-06-16 Tv 화면 확대 투시장치

Country Status (1)

Country Link
KR (1) KR900008882Y1 (ko)

Also Published As

Publication number Publication date
KR900008882Y1 (ko) 1990-09-29

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19930910

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee