CH542551A - UHF tuners, especially for television receivers - Google Patents

UHF tuners, especially for television receivers

Info

Publication number
CH542551A
CH542551A CH1297072A CH1297072A CH542551A CH 542551 A CH542551 A CH 542551A CH 1297072 A CH1297072 A CH 1297072A CH 1297072 A CH1297072 A CH 1297072A CH 542551 A CH542551 A CH 542551A
Authority
CH
Switzerland
Prior art keywords
television receivers
uhf tuners
tuners
uhf
receivers
Prior art date
Application number
CH1297072A
Other languages
German (de)
Inventor
Mayer Rudolf
Kirschner Erich
Fischer Bertram
Original Assignee
Saba Gmbh
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 Saba Gmbh filed Critical Saba Gmbh
Publication of CH542551A publication Critical patent/CH542551A/en

Links

Classifications

    • 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
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/203—Strip line filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
CH1297072A 1971-09-17 1972-09-04 UHF tuners, especially for television receivers CH542551A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2146513 1971-09-17

Publications (1)

Publication Number Publication Date
CH542551A true CH542551A (en) 1973-09-30

Family

ID=5819849

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1297072A CH542551A (en) 1971-09-17 1972-09-04 UHF tuners, especially for television receivers

Country Status (5)

Country Link
BE (1) BE788416A (en)
CH (1) CH542551A (en)
FR (1) FR2155273A5 (en)
IT (1) IT967375B (en)
NL (1) NL7211259A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3106997A1 (en) * 1981-02-25 1982-09-09 Blaupunkt-Werke Gmbh, 3200 Hildesheim TUNER FOR TELEVISION RECEIVER

Also Published As

Publication number Publication date
NL7211259A (en) 1973-03-20
IT967375B (en) 1974-02-28
FR2155273A5 (en) 1973-05-18
BE788416A (en) 1973-01-02

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Legal Events

Date Code Title Description
PL Patent ceased