FR989231A - Frame power system for radio receivers - Google Patents

Frame power system for radio receivers

Info

Publication number
FR989231A
FR989231A FR989231DA FR989231A FR 989231 A FR989231 A FR 989231A FR 989231D A FR989231D A FR 989231DA FR 989231 A FR989231 A FR 989231A
Authority
FR
France
Prior art keywords
power system
radio receivers
frame power
frame
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
Application filed by RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR989231A publication Critical patent/FR989231A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/06—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
    • H01F21/065—Measures for obtaining a desired relation between the position of the core and the inductance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
    • H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
    • H03H2/008—Receiver or amplifier input circuits
FR989231D 1943-01-28 1947-07-30 Frame power system for radio receivers Expired FR989231A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US473806A US2383286A (en) 1943-01-28 1943-01-28 Loop input system for radio receivers

Publications (1)

Publication Number Publication Date
FR989231A true FR989231A (en) 1951-09-06

Family

ID=23881050

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989231D Expired FR989231A (en) 1943-01-28 1947-07-30 Frame power system for radio receivers

Country Status (3)

Country Link
US (1) US2383286A (en)
FR (1) FR989231A (en)
GB (1) GB574407A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL65279C (en) * 1943-03-10
US2486986A (en) * 1943-06-28 1949-11-01 Rca Corp Permeability tuning system
US2529202A (en) * 1945-06-29 1950-11-07 Sr Leo Singleton Tisdale Antenna input circuit for radio receivers
US2769975A (en) * 1945-10-29 1956-11-06 Rines Robert Harvey Electromagnetic object-tracking-anddestroying method and system
US2542950A (en) * 1947-05-09 1951-02-20 Stewartwarner Corp Permeability tuned radio receiver
US2520985A (en) * 1947-10-22 1950-09-05 Motorola Inc Antenna coupling circuit
US2589736A (en) * 1948-10-06 1952-03-18 Rca Corp Loop antenna input circuits
US2511327A (en) * 1949-01-03 1950-06-13 Avco Mfg Corp Band-pass input circuit
US2863143A (en) * 1953-09-03 1958-12-02 Charles E Berlin Radio antenna
US2863147A (en) * 1955-05-17 1958-12-02 Charles E Berlin Radio antenna
US3387606A (en) * 1962-03-12 1968-06-11 Robertshaw Controls Co Inductive signal transfer device, useful for aviators' helmets

Also Published As

Publication number Publication date
US2383286A (en) 1945-08-21
GB574407A (en) 1946-01-03

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