BE463074A - - Google Patents
Info
- Publication number
- BE463074A BE463074A BE463074DA BE463074A BE 463074 A BE463074 A BE 463074A BE 463074D A BE463074D A BE 463074DA BE 463074 A BE463074 A BE 463074A
- Authority
- BE
- Belgium
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL253604X | 1944-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE463074A true BE463074A (xx) |
Family
ID=19781213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE463074D BE463074A (xx) | 1944-03-11 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2492519A (xx) |
| BE (1) | BE463074A (xx) |
| CH (1) | CH253604A (xx) |
| FR (1) | FR926743A (xx) |
| GB (1) | GB621267A (xx) |
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 |
|---|---|
| CH253604A (de) | 1948-03-15 |
| FR926743A (fr) | 1947-10-09 |
| GB621267A (en) | 1949-04-06 |
| US2492519A (en) | 1949-12-27 |