KR900011294Y1 - Catv용 튜우너 - Google Patents

Catv용 튜우너 Download PDF

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Publication number
KR900011294Y1
KR900011294Y1 KR2019830007288U KR830007288U KR900011294Y1 KR 900011294 Y1 KR900011294 Y1 KR 900011294Y1 KR 2019830007288 U KR2019830007288 U KR 2019830007288U KR 830007288 U KR830007288 U KR 830007288U KR 900011294 Y1 KR900011294 Y1 KR 900011294Y1
Authority
KR
South Korea
Prior art keywords
band
voltage
tuner
terminal
diode
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
Application number
KR2019830007288U
Other languages
English (en)
Korean (ko)
Other versions
KR850002225U (ko
Inventor
다께시 니시무라
Original Assignee
간사이 니뽄덴끼 가부시기가이샤
사사기 요오소오
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 간사이 니뽄덴끼 가부시기가이샤, 사사기 요오소오 filed Critical 간사이 니뽄덴끼 가부시기가이샤
Publication of KR850002225U publication Critical patent/KR850002225U/ko
Application granted granted Critical
Publication of KR900011294Y1 publication Critical patent/KR900011294Y1/ko
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
    • H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Electronic Switches (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
KR2019830007288U 1982-07-01 1983-08-19 Catv용 튜우너 Expired KR900011294Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP99680 1982-07-01
JP1982099680U JPS596331U (ja) 1982-07-01 1982-07-01 Ｃａｔｖチユ−ナ

Publications (2)

Publication Number Publication Date
KR850002225U KR850002225U (ko) 1985-04-22
KR900011294Y1 true KR900011294Y1 (ko) 1990-12-22

Family

ID=30236127

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019830007288U Expired KR900011294Y1 (ko) 1982-07-01 1983-08-19 Catv용 튜우너

Country Status (2)

Country Link
JP (1) JPS596331U (enrdf_load_stackoverflow)
KR (1) KR900011294Y1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS596331U (ja) 1984-01-17
KR850002225U (ko) 1985-04-22
JPH0117874Y2 (enrdf_load_stackoverflow) 1989-05-24

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