FR843874A - Improvements to the automatic tuning mechanisms of radio receivers - Google Patents

Improvements to the automatic tuning mechanisms of radio receivers

Info

Publication number
FR843874A
FR843874A FR843874DA FR843874A FR 843874 A FR843874 A FR 843874A FR 843874D A FR843874D A FR 843874DA FR 843874 A FR843874 A FR 843874A
Authority
FR
France
Prior art keywords
radio receivers
automatic tuning
tuning mechanisms
mechanisms
automatic
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR843874A publication Critical patent/FR843874A/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
FR843874D 1937-09-24 1938-09-24 Improvements to the automatic tuning mechanisms of radio receivers Expired FR843874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US165469A US2244678A (en) 1937-09-24 1937-09-24 Automatic tuning mechanism

Publications (1)

Publication Number Publication Date
FR843874A true FR843874A (en) 1939-07-12

Family

ID=22599021

Family Applications (1)

Application Number Title Priority Date Filing Date
FR843874D Expired FR843874A (en) 1937-09-24 1938-09-24 Improvements to the automatic tuning mechanisms of radio receivers

Country Status (2)

Country Link
US (1) US2244678A (en)
FR (1) FR843874A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212343A (en) * 1964-06-25 1965-10-19 Motorola Inc Tuning apparatus

Also Published As

Publication number Publication date
US2244678A (en) 1941-06-10

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