CH228559A - Device for tuning radio sets with spread spectrum. - Google Patents

Device for tuning radio sets with spread spectrum.

Info

Publication number
CH228559A
CH228559A CH228559DA CH228559A CH 228559 A CH228559 A CH 228559A CH 228559D A CH228559D A CH 228559DA CH 228559 A CH228559 A CH 228559A
Authority
CH
Switzerland
Prior art keywords
spread spectrum
radio sets
tuning radio
tuning
sets
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 CH228559A publication Critical patent/CH228559A/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
CH228559D 1941-07-01 1942-06-30 Device for tuning radio sets with spread spectrum. CH228559A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL228559X 1941-07-01

Publications (1)

Publication Number Publication Date
CH228559A true CH228559A (en) 1943-08-31

Family

ID=19779790

Family Applications (1)

Application Number Title Priority Date Filing Date
CH228559D CH228559A (en) 1941-07-01 1942-06-30 Device for tuning radio sets with spread spectrum.

Country Status (6)

Country Link
US (1) US2486692A (en)
BE (1) BE446251A (en)
CH (1) CH228559A (en)
FR (1) FR883669A (en)
GB (1) GB613152A (en)
NL (1) NL57804C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835813A (en) * 1954-04-26 1958-05-20 Philips Corp Device for fine tuning of a resonant circuit
CH427931A (en) * 1963-11-27 1967-01-15 Imp Rundfunk Und Fernsehwerk G Tuning arrangement for ultra-short waves

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2207254A (en) * 1938-09-08 1940-07-09 Rca Corp Band spread tuning system
BE440362A (en) * 1938-10-13
US2252919A (en) * 1939-01-10 1941-08-19 Lewis D Eckard Multiwave variable resonator
US2402261A (en) * 1942-11-21 1946-06-18 Rca Corp Permeability tuned band-spread circuit

Also Published As

Publication number Publication date
US2486692A (en) 1949-11-01
GB613152A (en) 1948-11-23
FR883669A (en) 1943-07-12
BE446251A (en)
NL57804C (en)

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