CH253604A - Funkempfänger mit Bandspreizung. - Google Patents

Funkempfänger mit Bandspreizung.

Info

Publication number
CH253604A
CH253604A CH253604DA CH253604A CH 253604 A CH253604 A CH 253604A CH 253604D A CH253604D A CH 253604DA CH 253604 A CH253604 A CH 253604A
Authority
CH
Switzerland
Prior art keywords
spread spectrum
radio receiver
receiver
radio
spread
Prior art date
Application number
Other languages
English (en)
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 CH253604A publication Critical patent/CH253604A/de

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
CH253604D 1944-03-11 1946-02-09 Funkempfänger mit Bandspreizung. CH253604A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL253604X 1944-03-11

Publications (1)

Publication Number Publication Date
CH253604A true CH253604A (de) 1948-03-15

Family

ID=19781213

Family Applications (1)

Application Number Title Priority Date Filing Date
CH253604D CH253604A (de) 1944-03-11 1946-02-09 Funkempfänger mit Bandspreizung.

Country Status (5)

Country Link
US (1) US2492519A (de)
BE (1) BE463074A (de)
CH (1) CH253604A (de)
FR (1) FR926743A (de)
GB (1) GB621267A (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2129026A (en) * 1933-03-09 1938-09-06 Rca Corp Tuning range adjustment device
GB552403A (en) * 1941-10-03 1943-04-06 Philips Nv Improvements in or relating to means for tuning wireless sets
GB551064A (en) * 1941-12-18 1943-02-05 Philips Nv Improvements in or relating to radio receivers

Also Published As

Publication number Publication date
BE463074A (de)
US2492519A (en) 1949-12-27
FR926743A (fr) 1947-10-09
GB621267A (en) 1949-04-06

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