GB621267A - Improvements in or relating to wireless receivers with bandspreading - Google Patents

Improvements in or relating to wireless receivers with bandspreading

Info

Publication number
GB621267A
GB621267A GB4173/47A GB417347A GB621267A GB 621267 A GB621267 A GB 621267A GB 4173/47 A GB4173/47 A GB 4173/47A GB 417347 A GB417347 A GB 417347A GB 621267 A GB621267 A GB 621267A
Authority
GB
United Kingdom
Prior art keywords
tuning
curve
condenser
variation
band
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4173/47A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PHILIPS HAMPS Ltd
Original Assignee
PHILIPS HAMPS Ltd
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 HAMPS Ltd filed Critical PHILIPS HAMPS Ltd
Publication of GB621267A publication Critical patent/GB621267A/en
Expired legal-status Critical Current

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)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
GB4173/47A 1944-03-11 1947-02-13 Improvements in or relating to wireless receivers with bandspreading Expired GB621267A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB621267A true GB621267A (en) 1949-04-06

Family

ID=19781213

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4173/47A Expired GB621267A (en) 1944-03-11 1947-02-13 Improvements in or relating to wireless receivers with bandspreading

Country Status (5)

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

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
FR926743A (fr) 1947-10-09
CH253604A (de) 1948-03-15
US2492519A (en) 1949-12-27
BE463074A (enrdf_load_stackoverflow)

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