FR843458A - Improvements to mechanisms for tuning t devices. s. f. - Google Patents

Improvements to mechanisms for tuning t devices. s. f.

Info

Publication number
FR843458A
FR843458A FR843458DA FR843458A FR 843458 A FR843458 A FR 843458A FR 843458D A FR843458D A FR 843458DA FR 843458 A FR843458 A FR 843458A
Authority
FR
France
Prior art keywords
tuning
mechanisms
devices
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 FR843458A publication Critical patent/FR843458A/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
    • H03J5/14—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 auxiliary power
    • H03J5/146—Settings desired by a switch controlled together with the tuning member and which stops the control as soon as a desired position is reached
FR843458D 1937-09-13 1938-09-13 Improvements to mechanisms for tuning t devices. s. f. Expired FR843458A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24839/37A GB504022A (en) 1937-09-13 1937-09-13 Improvements in or relating to the electrical control of tuning mechanism for radio apparatus

Publications (1)

Publication Number Publication Date
FR843458A true FR843458A (en) 1939-07-04

Family

ID=10218052

Family Applications (1)

Application Number Title Priority Date Filing Date
FR843458D Expired FR843458A (en) 1937-09-13 1938-09-13 Improvements to mechanisms for tuning t devices. s. f.

Country Status (3)

Country Link
US (1) US2245804A (en)
FR (1) FR843458A (en)
GB (1) GB504022A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491808A (en) * 1942-08-06 1949-12-20 Gen Electric Multichannel radio and television receiver

Also Published As

Publication number Publication date
GB504022A (en) 1939-04-13
US2245804A (en) 1941-06-17

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