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
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)
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 (no) |
BE (1) | BE463074A (no) |
CH (1) | CH253604A (no) |
FR (1) | FR926743A (no) |
GB (1) | GB621267A (no) |
Family Cites Families (3)
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 |
-
0
- BE BE463074D patent/BE463074A/xx unknown
-
1946
- 1946-02-09 CH CH253604D patent/CH253604A/de unknown
- 1946-05-09 FR FR926743D patent/FR926743A/fr not_active Expired
-
1947
- 1947-02-08 US US727347A patent/US2492519A/en not_active Expired - Lifetime
- 1947-02-13 GB GB4173/47A patent/GB621267A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2492519A (en) | 1949-12-27 |
GB621267A (en) | 1949-04-06 |
FR926743A (fr) | 1947-10-09 |
BE463074A (no) |
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