KR880003649U - TV viewing distance limiter - Google Patents

TV viewing distance limiter

Info

Publication number
KR880003649U
KR880003649U KR2019860010336U KR860010336U KR880003649U KR 880003649 U KR880003649 U KR 880003649U KR 2019860010336 U KR2019860010336 U KR 2019860010336U KR 860010336 U KR860010336 U KR 860010336U KR 880003649 U KR880003649 U KR 880003649U
Authority
KR
South Korea
Prior art keywords
viewing distance
distance limiter
limiter
viewing
distance
Prior art date
Application number
KR2019860010336U
Other languages
Korean (ko)
Other versions
KR890009418Y1 (en
Inventor
최현종
신주식
Original Assignee
주식회사금성사
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 주식회사금성사 filed Critical 주식회사금성사
Priority to KR2019860010336U priority Critical patent/KR890009418Y1/en
Publication of KR880003649U publication Critical patent/KR880003649U/en
Application granted granted Critical
Publication of KR890009418Y1 publication Critical patent/KR890009418Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/02—Details
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Remote Sensing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
KR2019860010336U 1986-07-16 1986-07-16 Anti-close view sight protecting circuits KR890009418Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860010336U KR890009418Y1 (en) 1986-07-16 1986-07-16 Anti-close view sight protecting circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860010336U KR890009418Y1 (en) 1986-07-16 1986-07-16 Anti-close view sight protecting circuits

Publications (2)

Publication Number Publication Date
KR880003649U true KR880003649U (en) 1988-04-14
KR890009418Y1 KR890009418Y1 (en) 1989-12-23

Family

ID=19253812

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860010336U KR890009418Y1 (en) 1986-07-16 1986-07-16 Anti-close view sight protecting circuits

Country Status (1)

Country Link
KR (1) KR890009418Y1 (en)

Also Published As

Publication number Publication date
KR890009418Y1 (en) 1989-12-23

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19940629

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee