CH236890A - Radio receiver with one or more tuning circuits and spread spectrum. - Google Patents

Radio receiver with one or more tuning circuits and spread spectrum.

Info

Publication number
CH236890A
CH236890A CH236890DA CH236890A CH 236890 A CH236890 A CH 236890A CH 236890D A CH236890D A CH 236890DA CH 236890 A CH236890 A CH 236890A
Authority
CH
Switzerland
Prior art keywords
spread spectrum
radio receiver
tuning circuits
tuning
circuits
Prior art date
Application number
Other languages
German (de)
Inventor
The Mullard Radio Valv Limited
Original Assignee
Mullard Radio Valve Company Li
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 Mullard Radio Valve Company Li filed Critical Mullard Radio Valve Company Li
Publication of CH236890A publication Critical patent/CH236890A/en

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
CH236890D 1940-07-09 1941-06-18 Radio receiver with one or more tuning circuits and spread spectrum. CH236890A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB236890X 1940-07-09
GB180241X 1941-02-18

Publications (1)

Publication Number Publication Date
CH236890A true CH236890A (en) 1945-03-15

Family

ID=26253069

Family Applications (1)

Application Number Title Priority Date Filing Date
CH236890D CH236890A (en) 1940-07-09 1941-06-18 Radio receiver with one or more tuning circuits and spread spectrum.

Country Status (6)

Country Link
BE (1) BE476458A (en)
CH (1) CH236890A (en)
DE (1) DE941549C (en)
FR (1) FR957376A (en)
GB (1) GB542611A (en)
NL (1) NL67385C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE963884C (en) * 1949-03-04 1957-05-16 Siemens Ag Circuit for frequency adjustment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE666632C (en) * 1938-10-24 Lorenz Akt Ges C Circuit arrangement for receivers of wireless signals with one-button operation
GB327710A (en) * 1929-01-09 1930-04-09 Gramophone Co Ltd Improvements in or relating to tuning devices for wireless receivers

Also Published As

Publication number Publication date
DE941549C (en) 1956-04-12
GB542611A (en) 1942-01-19
FR957376A (en) 1950-02-18
BE476458A (en)
NL67385C (en)

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