CH280690A - Tuning device, especially for radio receivers. - Google Patents

Tuning device, especially for radio receivers.

Info

Publication number
CH280690A
CH280690A CH280690DA CH280690A CH 280690 A CH280690 A CH 280690A CH 280690D A CH280690D A CH 280690DA CH 280690 A CH280690 A CH 280690A
Authority
CH
Switzerland
Prior art keywords
tuning device
radio receivers
receivers
radio
tuning
Prior art date
Application number
Other languages
German (de)
Inventor
America Radio Corporation Of
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 CH280690A publication Critical patent/CH280690A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/10—Circuit arrangements for fine tuning, e.g. bandspreading
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
CH280690D 1948-03-23 1949-03-21 Tuning device, especially for radio receivers. CH280690A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US280690XA 1948-03-23 1948-03-23

Publications (1)

Publication Number Publication Date
CH280690A true CH280690A (en) 1952-01-31

Family

ID=21841396

Family Applications (1)

Application Number Title Priority Date Filing Date
CH280690D CH280690A (en) 1948-03-23 1949-03-21 Tuning device, especially for radio receivers.

Country Status (4)

Country Link
CH (1) CH280690A (en)
FR (1) FR979737A (en)
GB (1) GB660689A (en)
NL (2) NL145076B (en)

Also Published As

Publication number Publication date
FR979737A (en) 1951-05-02
NL79516C (en)
NL145076B (en)
GB660689A (en) 1951-11-14

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