CH271978A - Appareil de mesure de la durée d'un signal électrique. - Google Patents
Appareil de mesure de la durée d'un signal électrique.Info
- Publication number
- CH271978A CH271978A CH271978DA CH271978A CH 271978 A CH271978 A CH 271978A CH 271978D A CH271978D A CH 271978DA CH 271978 A CH271978 A CH 271978A
- Authority
- CH
- Switzerland
- Prior art keywords
- duration
- measuring
- electrical signal
- electrical
- signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/24—Testing correct operation
- H04L1/248—Distortion measuring systems
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
- H03K9/08—Demodulating pulses which have been modulated with a continuously-variable signal of duration- or width-mudulated pulses or of duty-cycle modulated pulses
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Nonlinear Science (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB271978X | 1941-01-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH271978A true CH271978A (fr) | 1950-11-30 |
Family
ID=10255757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH271978D CH271978A (fr) | 1941-01-24 | 1947-08-05 | Appareil de mesure de la durée d'un signal électrique. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2419576A (fr) |
CH (1) | CH271978A (fr) |
FR (1) | FR933780A (fr) |
GB (1) | GB582885A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2448399A (en) * | 1946-06-01 | 1948-08-31 | Sperry Prod Inc | Supersonic inspection |
US2591738A (en) * | 1949-07-22 | 1952-04-08 | Sperry Corp | Cathode-ray tube voltage measuring device |
US2769977A (en) * | 1950-02-27 | 1956-11-06 | Decca Record Co Ltd | Position indicating apparatus for use with radio navigation systems |
US2726386A (en) * | 1951-11-08 | 1955-12-06 | Melpar Inc | Signal discrimination in pulse radar systems |
US2921256A (en) * | 1954-02-10 | 1960-01-12 | Cleo V Thrower | Electrical test circuit |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1983254A (en) * | 1930-05-19 | 1934-12-04 | Submarine Signal Co | Method and apparatus for distance finding |
US1924174A (en) * | 1930-05-19 | 1933-08-29 | Submarine Signal Co | Means and method of measuring distance |
US1960333A (en) * | 1932-10-07 | 1934-05-29 | Mont Allen B Du | Cathode ray instrument for measuring electrical quantities |
US2143035A (en) * | 1935-09-30 | 1939-01-10 | Submarine Signal Co | Distance measuring apparatus |
US2227598A (en) * | 1937-07-03 | 1941-01-07 | Sperry Gyroscope Co Inc | Radio absolute altimeter |
US2286894A (en) * | 1938-03-23 | 1942-06-16 | Emi Ltd | Circuit arrangement embodying cathode ray oscillographs |
US2188970A (en) * | 1938-08-26 | 1940-02-06 | Hazeltine Corp | Electric timing system |
US2243234A (en) * | 1938-11-24 | 1941-05-27 | Telefunken Gmbh | Wave indication |
US2280226A (en) * | 1940-05-27 | 1942-04-21 | Floyd A Firestone | Flaw detecting device and measuring instrument |
-
1941
- 1941-01-24 GB GB969/41A patent/GB582885A/en not_active Expired
-
1942
- 1942-09-11 US US458057A patent/US2419576A/en not_active Expired - Lifetime
-
1946
- 1946-09-20 FR FR933780D patent/FR933780A/fr not_active Expired
-
1947
- 1947-08-05 CH CH271978D patent/CH271978A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
GB582885A (en) | 1946-12-02 |
US2419576A (en) | 1947-04-29 |
FR933780A (fr) | 1948-04-30 |
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