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FR842875A - Improvements to tuning devices for radio receivers - Google Patents

Improvements to tuning devices for radio receivers

Info

Publication number
FR842875A
FR842875A FR842875DA FR842875A FR 842875 A FR842875 A FR 842875A FR 842875D A FR842875D A FR 842875DA FR 842875 A FR842875 A FR 842875A
Authority
FR
France
Prior art keywords
radio receivers
tuning devices
tuning
devices
receivers
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 FR842875A publication Critical patent/FR842875A/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
FR842875D 1937-09-01 1938-09-01 Improvements to tuning devices for radio receivers Expired FR842875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23864/37A GB501370A (en) 1937-09-01 1937-09-01 Improvements in or relating to tuning devices for radio receivers

Publications (1)

Publication Number Publication Date
FR842875A true FR842875A (en) 1939-06-21

Family

ID=10202557

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842875D Expired FR842875A (en) 1937-09-01 1938-09-01 Improvements to tuning devices for radio receivers

Country Status (3)

Country Link
US (1) US2238475A (en)
FR (1) FR842875A (en)
GB (1) GB501370A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433389A (en) * 1941-09-30 1947-12-30 Int Standard Electric Corp Remote control system for step-bystep adjustment of variable impedances
US3493830A (en) * 1967-05-03 1970-02-03 Molex Products Co Seeking switch servocontrol including a unique commutator

Also Published As

Publication number Publication date
GB501370A (en) 1939-02-27
US2238475A (en) 1941-04-15

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