JPS5368505A - Tuner - Google Patents

Tuner

Info

Publication number
JPS5368505A
JPS5368505A JP14335676A JP14335676A JPS5368505A JP S5368505 A JPS5368505 A JP S5368505A JP 14335676 A JP14335676 A JP 14335676A JP 14335676 A JP14335676 A JP 14335676A JP S5368505 A JPS5368505 A JP S5368505A
Authority
JP
Japan
Prior art keywords
tuner
vhf
switching
ensure
receiving time
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.)
Pending
Application number
JP14335676A
Other languages
Japanese (ja)
Inventor
Takeshi Saito
Mitsuhisa Shinagawa
Shigeo Matsuura
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP14335676A priority Critical patent/JPS5368505A/en
Publication of JPS5368505A publication Critical patent/JPS5368505A/en
Pending 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

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)

Abstract

PURPOSE:To ensure the most appropriate action of a tuner at all times with a simple constitution at the VHF and UHF receiving time, by switching the active voltage of the VHF mixture stage using the switching element for IF signal switching.
JP14335676A 1976-12-01 1976-12-01 Tuner Pending JPS5368505A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14335676A JPS5368505A (en) 1976-12-01 1976-12-01 Tuner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14335676A JPS5368505A (en) 1976-12-01 1976-12-01 Tuner

Publications (1)

Publication Number Publication Date
JPS5368505A true JPS5368505A (en) 1978-06-19

Family

ID=15336872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14335676A Pending JPS5368505A (en) 1976-12-01 1976-12-01 Tuner

Country Status (1)

Country Link
JP (1) JPS5368505A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62171234A (en) * 1986-01-22 1987-07-28 Sanyo Electric Co Ltd Tuner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62171234A (en) * 1986-01-22 1987-07-28 Sanyo Electric Co Ltd Tuner

Similar Documents

Publication Publication Date Title
JPS51140421A (en) Self-oscillation mixer circuit
JPS5368505A (en) Tuner
JPS5368286A (en) Electronic watch
JPS5413205A (en) Automatic channel tuner
JPS5413244A (en) Filter circuit
JPS52126117A (en) Input tuning circuit
JPS51147159A (en) Semiconductor direct oscillator
JPS51147106A (en) Auto-tuning receiver
JPS5350909A (en) Uhf tuner
JPS52154304A (en) Frequency control unit
JPS5220715A (en) Receiving band switching equipment
JPS5258305A (en) Tuner
JPS52132760A (en) Pll circuit
JPS5365010A (en) Channel selector
JPS5240013A (en) Mixing circuit
JPS52100901A (en) Electronic tuner channel selection unit
JPS5361201A (en) Channel selecting device for television picture receiver
JPS5364073A (en) Electronic watch
JPS5297605A (en) Push-button swtich
JPS535913A (en) Television tuner
JPS5413201A (en) Tuning circuit
JPS53116001A (en) Tuner
JPS5353945A (en) Limiter circuit for high frequency usage
JPS5442917A (en) Digital tuner
JPS5294013A (en) Converter