IT961963B - Perfezionamento nelle disposizioni di preselezione di sintonia per radioricevitori a piu gamme donda - Google Patents

Perfezionamento nelle disposizioni di preselezione di sintonia per radioricevitori a piu gamme donda

Info

Publication number
IT961963B
IT961963B IT52114/72A IT5211472A IT961963B IT 961963 B IT961963 B IT 961963B IT 52114/72 A IT52114/72 A IT 52114/72A IT 5211472 A IT5211472 A IT 5211472A IT 961963 B IT961963 B IT 961963B
Authority
IT
Italy
Prior art keywords
radior
preselection
tuning
receivers
arrangements
Prior art date
Application number
IT52114/72A
Other languages
English (en)
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of IT961963B publication Critical patent/IT961963B/it

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
    • 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
    • H03J5/02—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 variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/04—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 variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by hand
    • H03J5/12—Settings determined by a number of separately-actuated driving means which adjust the tuning element directly to desired settings
IT52114/72A 1971-08-19 1972-08-10 Perfezionamento nelle disposizioni di preselezione di sintonia per radioricevitori a piu gamme donda IT961963B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17316571A 1971-08-19 1971-08-19

Publications (1)

Publication Number Publication Date
IT961963B true IT961963B (it) 1973-12-10

Family

ID=22630810

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52114/72A IT961963B (it) 1971-08-19 1972-08-10 Perfezionamento nelle disposizioni di preselezione di sintonia per radioricevitori a piu gamme donda

Country Status (6)

Country Link
US (1) US3704424A (it)
JP (1) JPS5148921B2 (it)
CA (1) CA967396A (it)
DE (1) DE7230784U (it)
GB (1) GB1369325A (it)
IT (1) IT961963B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51109708A (en) * 1975-03-20 1976-09-28 Matsushita Electric Industrial Co Ltd Rajiojushinki
JPS54129903U (it) * 1978-03-01 1979-09-10

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2877351A (en) * 1954-07-12 1959-03-10 Motorola Inc Tuning mechanism
US3389338A (en) * 1964-11-24 1968-06-18 Bendix Corp Simplified band switching for fm-am receiver
US3513419A (en) * 1965-11-26 1970-05-19 Mitsubishi Electric Corp Device for switching frequency bands in broadcasting receiver
US3602822A (en) * 1969-05-29 1971-08-31 Rca Corp Television electronic control circuit for channel selections
US3651469A (en) * 1971-03-22 1972-03-21 Collins Radio Co Binary touch-tune system with memory

Also Published As

Publication number Publication date
DE7230784U (de) 1972-11-30
JPS5148921B2 (it) 1976-12-23
CA967396A (en) 1975-05-13
DE2240932A1 (de) 1973-03-01
DE2240932B2 (de) 1977-03-24
GB1369325A (en) 1974-10-02
JPS4830309A (it) 1973-04-21
US3704424A (en) 1972-11-28

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