NL6508819A - - Google Patents
Info
- Publication number
- NL6508819A NL6508819A NL6508819A NL6508819A NL6508819A NL 6508819 A NL6508819 A NL 6508819A NL 6508819 A NL6508819 A NL 6508819A NL 6508819 A NL6508819 A NL 6508819A NL 6508819 A NL6508819 A NL 6508819A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G01S7/529—Gain of receiver varied automatically during pulse-recurrence period
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US384292A US3329932A (en) | 1964-07-22 | 1964-07-22 | Ultrasonic vehicle detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6508819A true NL6508819A (xx) | 1966-01-24 |
Family
ID=23516730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6508819A NL6508819A (xx) | 1964-07-22 | 1965-07-08 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3329932A (xx) |
| BE (1) | BE667179A (xx) |
| ES (1) | ES316685A1 (xx) |
| FR (1) | FR1453373A (xx) |
| GB (1) | GB1062727A (xx) |
| NL (1) | NL6508819A (xx) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3474400A (en) * | 1965-03-31 | 1969-10-21 | Gen Signal Corp | Sonic presence detection system and method |
| GB1187775A (en) * | 1966-06-21 | 1970-04-15 | Marconi Co Ltd | Improvements in or relating to Ultra-Sonic Presence Detectors |
| US3431550A (en) * | 1966-08-23 | 1969-03-04 | Marconi Co Ltd | Ultrasonic presence detectors |
| US3435406A (en) * | 1967-04-17 | 1969-03-25 | Gen Signal Corp | Sonic vehicle detector using noise blanking |
| US3435405A (en) * | 1967-05-22 | 1969-03-25 | Gen Signal Corp | Ultrasonic vehicle presence detector |
| DE1566852C3 (de) * | 1967-10-12 | 1974-02-07 | Fried. Krupp Gmbh, 4300 Essen | Anordnung zur Unterscheidung von Echolotimpulsen |
| US3696324A (en) * | 1970-10-19 | 1972-10-03 | Gilbert Baum | Electrical display systems |
| JPS4847301U (xx) * | 1971-10-06 | 1973-06-21 | ||
| JPS4858150U (xx) * | 1971-11-05 | 1973-07-24 | ||
| GB2137749A (en) * | 1983-04-07 | 1984-10-10 | Healey Meters Limited | Intruder Detection System |
| US5208586A (en) * | 1991-02-14 | 1993-05-04 | Nathan J. Friberg | Ultrasonic vehicle positioning apparatus and method |
| USD734343S1 (en) * | 2012-12-27 | 2015-07-14 | Nissan Jidosha Kabushiki Kaisha | Display screen or portion thereof with graphical user interface |
| DE102013210600A1 (de) * | 2013-06-07 | 2014-12-11 | Robert Bosch Gmbh | Vorrichtung zur Umfeldsensorik |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3255434A (en) * | 1961-11-01 | 1966-06-07 | Peter D Schwarz | Vehicle detection and counting system |
-
1964
- 1964-07-22 US US384292A patent/US3329932A/en not_active Expired - Lifetime
-
1965
- 1965-07-05 GB GB28418/65A patent/GB1062727A/en not_active Expired
- 1965-07-08 NL NL6508819A patent/NL6508819A/xx unknown
- 1965-07-20 BE BE667179A patent/BE667179A/xx unknown
- 1965-07-20 FR FR25326A patent/FR1453373A/fr not_active Expired
- 1965-07-22 ES ES0316685A patent/ES316685A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3329932A (en) | 1967-07-04 |
| ES316685A1 (es) | 1966-06-01 |
| GB1062727A (en) | 1967-03-22 |
| BE667179A (xx) | 1965-11-16 |
| FR1453373A (fr) | 1966-06-03 |