NL55791C - - Google Patents
Info
- Publication number
- NL55791C NL55791C NL55791DA NL55791C NL 55791 C NL55791 C NL 55791C NL 55791D A NL55791D A NL 55791DA NL 55791 C NL55791 C NL 55791C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F10/00—Apparatus for measuring unknown time intervals by electric means
- G04F10/10—Apparatus for measuring unknown time intervals by electric means by measuring electric or magnetic quantities changing in proportion to time
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S15/14—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Emergency Protection Circuit Devices (AREA)
- Locating Faults (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE530350X | 1938-07-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL55791C true NL55791C (no) |
Family
ID=6554472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL55791D NL55791C (no) | 1938-07-08 |
Country Status (4)
Country | Link |
---|---|
US (1) | US2415119A (no) |
FR (1) | FR856445A (no) |
GB (1) | GB530350A (no) |
NL (1) | NL55791C (no) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2562449A (en) * | 1946-01-17 | 1951-07-31 | Sperry Prod Inc | Apparatus for inspecting materials by wave trains |
US2502938A (en) * | 1947-05-21 | 1950-04-04 | Raytheon Mfg Co | Sound ranging distance measuring system |
US2574596A (en) * | 1948-04-06 | 1951-11-13 | Stromberg Carlson Co | Ultrasonic distance-measuring system |
US2646555A (en) * | 1950-08-03 | 1953-07-21 | Sperry Prod Inc | Means for increasing the brightness of a cathode tube display |
US3225325A (en) * | 1950-10-04 | 1965-12-21 | Paul C Gardiner | Range gating means |
US2741756A (en) * | 1953-07-16 | 1956-04-10 | Rca Corp | Electrical data storage device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE589368C (no) * | ||||
GB406368A (en) * | 1932-08-26 | 1934-02-26 | Marconi Wireless Telegraph Co | Improvements in or relating to television and like systems |
FR733287A (fr) * | 1932-09-05 | 1932-10-01 | Méthode de réception d'échos et appareil de sondage aérien ou sousmarin pour son application | |
US2120971A (en) * | 1935-12-21 | 1938-06-21 | Bell Telephone Labor Inc | System and method of determining distance |
US2144843A (en) * | 1936-04-07 | 1939-01-24 | Bell Telephone Labor Inc | System and method of determining distance |
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0
- NL NL55791D patent/NL55791C/xx active
-
1939
- 1939-06-16 FR FR856445D patent/FR856445A/fr not_active Expired
- 1939-06-22 GB GB18163/39A patent/GB530350A/en not_active Expired
- 1939-07-05 US US282916A patent/US2415119A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB530350A (en) | 1940-12-10 |
FR856445A (fr) | 1940-06-13 |
US2415119A (en) | 1947-02-04 |