FR813746A - Improvements to tuning devices for radio receivers - Google Patents

Improvements to tuning devices for radio receivers

Info

Publication number
FR813746A
FR813746A FR813746DA FR813746A FR 813746 A FR813746 A FR 813746A FR 813746D A FR813746D A FR 813746DA FR 813746 A FR813746 A FR 813746A
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.)
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
Priority claimed from US57354A external-priority patent/US2217293A/en
Application filed by RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR813746A publication Critical patent/FR813746A/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
    • H03J5/08—Settings determined by a number of separately-actuated positioning means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/023—Neutralization of the automatic frequency correction during a tuning change
FR813746D 1935-12-23 1936-11-19 Improvements to tuning devices for radio receivers Expired FR813746A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55749A US2189282A (en) 1935-12-23 1935-12-23 Receiver tuning control
US57354A US2217293A (en) 1936-01-03 1936-01-03 Receiver tuning control

Publications (1)

Publication Number Publication Date
FR813746A true FR813746A (en) 1937-06-08

Family

ID=26734587

Family Applications (1)

Application Number Title Priority Date Filing Date
FR813746D Expired FR813746A (en) 1935-12-23 1936-11-19 Improvements to tuning devices for radio receivers

Country Status (5)

Country Link
US (1) US2189282A (en)
DE (1) DE658977C (en)
FR (1) FR813746A (en)
GB (2) GB487687A (en)
NL (1) NL51884C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422082A (en) * 1943-03-03 1947-06-10 Rca Corp Reactance control circuit
US2487772A (en) * 1945-08-08 1949-11-08 Colonial Radio Corp Signal-seeking receiver for amplitude modulation and frequency modulation signals
US2498954A (en) * 1946-05-07 1950-02-28 Panoramic Radio Corp Panoramic receiver with means for modifying signal pulses applied to indicators
US2666847A (en) * 1949-06-25 1954-01-19 Philco Corp Automatic frequency control for carrier-wave receivers

Also Published As

Publication number Publication date
GB487687A (en) 1938-06-23
DE658977C (en) 1938-04-21
NL51884C (en)
GB488266A (en) 1938-07-04
US2189282A (en) 1940-02-06

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