BE487796A - - Google Patents

Info

Publication number
BE487796A
BE487796A BE487796A BE487796A BE487796A BE 487796 A BE487796 A BE 487796A BE 487796 A BE487796 A BE 487796A BE 487796 A BE487796 A BE 487796A BE 487796 A BE487796 A BE 487796A
Authority
BE
Belgium
Prior art keywords
choke
short
core
circuited
sep
Prior art date
Application number
BE487796A
Other languages
English (en)
French (fr)
Inventor
Pan Wen Yuan
Original Assignee
Rca Corp
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 filed Critical Rca Corp
Publication of BE487796A publication Critical patent/BE487796A/fr

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
BE487796A 1948-03-23 1949-03-10 BE487796A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16406A US2528167A (en) 1948-03-23 1948-03-23 Band-spread tuning inductance device

Publications (1)

Publication Number Publication Date
BE487796A true BE487796A (en:Method) 1949-03-31

Family

ID=21776970

Family Applications (1)

Application Number Title Priority Date Filing Date
BE487796A BE487796A (en:Method) 1948-03-23 1949-03-10

Country Status (2)

Country Link
US (1) US2528167A (en:Method)
BE (1) BE487796A (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2745961A (en) * 1951-11-03 1956-05-15 Rca Corp Multiband u. h. f. oscillators
US2770724A (en) * 1952-07-26 1956-11-13 Motorola Inc Converter
US2835813A (en) * 1954-04-26 1958-05-20 Philips Corp Device for fine tuning of a resonant circuit
US2920199A (en) * 1957-09-30 1960-01-05 Aladdin Ind Inc Wide-range tuner mechanism
US3022477A (en) * 1958-06-18 1962-02-20 Hoffman Electronics Corp Broad band radio receiver preselector apparatus
US3456062A (en) * 1965-05-21 1969-07-15 Astrodata Inc Musical instrument

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US377217A (en) * 1888-01-31 Alternating-current motive and-regulating device
FR560396A (fr) * 1922-12-27 1923-10-03 Bobine de réception par dispositif particulier pour radiotéléphonie et t. s. f.
US1898792A (en) * 1929-10-26 1933-02-21 Fed Telegraph Co Radioreceiver
US2259250A (en) * 1938-12-01 1941-10-14 Johnson Lab Inc Securing alignment in a plurality of resonant circuits
NL99230B (en:Method) * 1940-10-16
US2325279A (en) * 1941-03-08 1943-07-27 Johnson Lab Inc Signal collecting system
US2417188A (en) * 1942-09-23 1947-03-11 Hartford Nat Bank & Trust Co Variable inductance
US2394391A (en) * 1944-07-22 1946-02-05 Henry L Crowley Stable tuning device for high-frequency radio circuits

Also Published As

Publication number Publication date
US2528167A (en) 1950-10-31

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