CH212943A - Heterodyne receiver with spread spectrum. - Google Patents

Heterodyne receiver with spread spectrum.

Info

Publication number
CH212943A
CH212943A CH212943DA CH212943A CH 212943 A CH212943 A CH 212943A CH 212943D A CH212943D A CH 212943DA CH 212943 A CH212943 A CH 212943A
Authority
CH
Switzerland
Prior art keywords
spread spectrum
heterodyne receiver
heterodyne
receiver
spread
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH212943A publication Critical patent/CH212943A/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
CH212943D 1938-05-11 1939-05-09 Heterodyne receiver with spread spectrum. CH212943A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL212943X 1938-05-11

Publications (1)

Publication Number Publication Date
CH212943A true CH212943A (en) 1940-12-31

Family

ID=19778915

Family Applications (1)

Application Number Title Priority Date Filing Date
CH212943D CH212943A (en) 1938-05-11 1939-05-09 Heterodyne receiver with spread spectrum.

Country Status (7)

Country Link
US (1) US2210379A (en)
BE (1) BE434287A (en)
CH (1) CH212943A (en)
DE (1) DE1081071B (en)
FR (1) FR854539A (en)
GB (1) GB521330A (en)
NL (1) NL53703C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950654C (en) * 1941-03-30 1956-10-11 Lorenz C Ag Radio for medium and short wave reception, which is provided with a voting indicator

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE479623A (en) * 1942-01-07
US2424506A (en) * 1942-10-24 1947-07-22 Rca Corp Permeability-tuned short-wave spread-band receiver
US2522973A (en) * 1945-01-30 1950-09-19 Rca Corp Push-button ultra high frequency tuner
US2623995A (en) * 1949-10-28 1952-12-30 Gialluly Elie Marcel Scemam De Multirange tuning circuit
US2835813A (en) * 1954-04-26 1958-05-20 Philips Corp Device for fine tuning of a resonant circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950654C (en) * 1941-03-30 1956-10-11 Lorenz C Ag Radio for medium and short wave reception, which is provided with a voting indicator

Also Published As

Publication number Publication date
US2210379A (en) 1940-08-06
GB521330A (en) 1940-05-17
DE1081071B (en) 1960-05-05
NL53703C (en)
FR854539A (en) 1940-04-17
BE434287A (en)

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