JPS5413205A - Automatic channel tuner - Google Patents

Automatic channel tuner

Info

Publication number
JPS5413205A
JPS5413205A JP7793877A JP7793877A JPS5413205A JP S5413205 A JPS5413205 A JP S5413205A JP 7793877 A JP7793877 A JP 7793877A JP 7793877 A JP7793877 A JP 7793877A JP S5413205 A JPS5413205 A JP S5413205A
Authority
JP
Japan
Prior art keywords
automatic channel
channel tuner
tuner
vhf
uhf
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
JP7793877A
Other languages
Japanese (ja)
Inventor
Mitsuhisa Shinagawa
Shigeo Matsuura
Toshinori Murata
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 JP7793877A priority Critical patent/JPS5413205A/en
Priority to DE2828838A priority patent/DE2828838C2/en
Priority to US05/920,698 priority patent/US4247953A/en
Publication of JPS5413205A publication Critical patent/JPS5413205A/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

Abstract

PURPOSE:To enable to receive all the bands with one tuner, by enabling to use commonly each element for high frequency amplification, frequency conversion and local oscillation for VHF and UHF by using the all channel tuning circuit of two point tuning type.
JP7793877A 1977-07-01 1977-07-01 Automatic channel tuner Pending JPS5413205A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP7793877A JPS5413205A (en) 1977-07-01 1977-07-01 Automatic channel tuner
DE2828838A DE2828838C2 (en) 1977-07-01 1978-06-30 RF input circuit for television receivers
US05/920,698 US4247953A (en) 1977-07-01 1978-06-30 Tunable high-frequency input circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7793877A JPS5413205A (en) 1977-07-01 1977-07-01 Automatic channel tuner

Publications (1)

Publication Number Publication Date
JPS5413205A true JPS5413205A (en) 1979-01-31

Family

ID=13648001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7793877A Pending JPS5413205A (en) 1977-07-01 1977-07-01 Automatic channel tuner

Country Status (1)

Country Link
JP (1) JPS5413205A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0258415A (en) * 1988-06-28 1990-02-27 Telefunken Electronic Gmbh Television tuner with band-pass filter circuit
JPH0258918A (en) * 1988-06-28 1990-02-28 Telefunken Electronic Gmbh Input circuit of television tuner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0258415A (en) * 1988-06-28 1990-02-27 Telefunken Electronic Gmbh Television tuner with band-pass filter circuit
JPH0258918A (en) * 1988-06-28 1990-02-28 Telefunken Electronic Gmbh Input circuit of television tuner

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