JPS5413244A - Filter circuit - Google Patents

Filter circuit

Info

Publication number
JPS5413244A
JPS5413244A JP7793677A JP7793677A JPS5413244A JP S5413244 A JPS5413244 A JP S5413244A JP 7793677 A JP7793677 A JP 7793677A JP 7793677 A JP7793677 A JP 7793677A JP S5413244 A JPS5413244 A JP S5413244A
Authority
JP
Japan
Prior art keywords
filter circuit
bands
uhf
switch diodes
tuner
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.)
Granted
Application number
JP7793677A
Other languages
Japanese (ja)
Other versions
JPS619767B2 (en
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 JP7793677A priority Critical patent/JPS5413244A/en
Priority to DE2828838A priority patent/DE2828838C2/en
Priority to US05/920,698 priority patent/US4247953A/en
Publication of JPS5413244A publication Critical patent/JPS5413244A/en
Publication of JPS619767B2 publication Critical patent/JPS619767B2/ja
Granted 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

Abstract

PURPOSE:To enable to receive all bands with one tuner, by using two point tuner circuit simultaneously tuned with the both bands of UHF and VHF, abolishing switch diodes and eliminating the effect of the switch diodes on the UHF reception.
JP7793677A 1977-07-01 1977-07-01 Filter circuit Granted JPS5413244A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP7793677A JPS5413244A (en) 1977-07-01 1977-07-01 Filter circuit
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
JP7793677A JPS5413244A (en) 1977-07-01 1977-07-01 Filter circuit

Publications (2)

Publication Number Publication Date
JPS5413244A true JPS5413244A (en) 1979-01-31
JPS619767B2 JPS619767B2 (en) 1986-03-26

Family

ID=13647955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7793677A Granted JPS5413244A (en) 1977-07-01 1977-07-01 Filter circuit

Country Status (1)

Country Link
JP (1) JPS5413244A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6047508A (en) * 1983-08-26 1985-03-14 Matsushita Electric Ind Co Ltd Television receiver

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020222627A1 (en) * 2019-04-29 2020-11-05 주식회사 아모그린텍 Touch screen panel and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6047508A (en) * 1983-08-26 1985-03-14 Matsushita Electric Ind Co Ltd Television receiver

Also Published As

Publication number Publication date
JPS619767B2 (en) 1986-03-26

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