FR861910A - Improvements to push-button mechanisms for tuning radio-receivers - Google Patents

Improvements to push-button mechanisms for tuning radio-receivers

Info

Publication number
FR861910A
FR861910A FR861910DA FR861910A FR 861910 A FR861910 A FR 861910A FR 861910D A FR861910D A FR 861910DA FR 861910 A FR861910 A FR 861910A
Authority
FR
France
Prior art keywords
receivers
push
tuning radio
button mechanisms
mechanisms
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.)
Expired
Application number
Other languages
French (fr)
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR861910A publication Critical patent/FR861910A/en
Expired 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
    • H03J5/02—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
FR861910D 1938-11-26 1939-11-27 Improvements to push-button mechanisms for tuning radio-receivers Expired FR861910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34448/38A GB521817A (en) 1938-11-26 1938-11-26 Improvements in or relating to push button mechanisms for tuning radio receivers

Publications (1)

Publication Number Publication Date
FR861910A true FR861910A (en) 1941-02-21

Family

ID=10365784

Family Applications (1)

Application Number Title Priority Date Filing Date
FR861910D Expired FR861910A (en) 1938-11-26 1939-11-27 Improvements to push-button mechanisms for tuning radio-receivers

Country Status (4)

Country Link
US (1) US2351443A (en)
DE (1) DE977682C (en)
FR (1) FR861910A (en)
GB (1) GB521817A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503121A (en) * 1945-12-07 1950-04-04 Magnavox Co Tuning and push button control
US2573801A (en) * 1946-09-20 1951-11-06 Magnavox Co Tuning control
IT974400B (en) * 1972-12-29 1974-06-20 R L Argentec Soc MANUAL AND AUTOMATIC CONTROL SYSTEM FOR ELECTRONIC EQUIPMENT AND MORE

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1704754A (en) * 1925-06-09 1929-03-12 Harry N Marvin Radio apparatus and method of operating the same
DE573987C (en) * 1928-09-06 1933-04-07 Koch & Sterzel Akt Ges Device for mechanically setting a radio receiver to multi-digit tuning values
DE550860C (en) * 1930-08-09 1932-05-21 Ideal Werke Akt Ges Fuer Draht Capacitor dial arrangement, especially for the purposes of telecommunications
DE619630C (en) * 1931-08-27 1935-10-04 Jeumont Forges Const Elec Socket connection for the unmachined ends of rigid pipes for electrical installations
US2016149A (en) * 1933-07-20 1935-10-01 Gen Electric Indicating device
US2057376A (en) * 1934-04-23 1936-10-13 Grillet Francois Joseph Regulating device for wireless receivers

Also Published As

Publication number Publication date
US2351443A (en) 1944-06-13
DE977682C (en) 1968-05-02
GB521817A (en) 1940-05-31

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