JPS475053A - Self-adjusting vehicle detector system - Google Patents
Self-adjusting vehicle detector systemInfo
- Publication number
- JPS475053A JPS475053A JP6136471A JP6136471A JPS475053A JP S475053 A JPS475053 A JP S475053A JP 6136471 A JP6136471 A JP 6136471A JP 6136471 A JP6136471 A JP 6136471A JP S475053 A JPS475053 A JP S475053A
- Authority
- JP
- Japan
- Prior art keywords
- self
- detector system
- vehicle detector
- adjusting vehicle
- adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63670A US3685013A (en) | 1970-08-14 | 1970-08-14 | Self-adjusting vehicle detector system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS475053A true JPS475053A (en) | 1972-03-14 |
Family
ID=22050728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6136471A Pending JPS475053A (en) | 1970-08-14 | 1971-08-13 | Self-adjusting vehicle detector system |
Country Status (4)
Country | Link |
---|---|
US (1) | US3685013A (ja) |
JP (1) | JPS475053A (ja) |
DE (1) | DE2140538A1 (ja) |
FR (1) | FR2104856A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49106262A (ja) * | 1973-02-08 | 1974-10-08 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3870990A (en) * | 1973-05-18 | 1975-03-11 | Decatur Electronics Inc | Vehicle presence detector |
US3875555A (en) * | 1973-05-29 | 1975-04-01 | Indicator Controls Corp | Vehicle detection system |
US3900829A (en) * | 1973-10-17 | 1975-08-19 | Us Transport | Airport loop detector system |
DE2722498C3 (de) * | 1977-05-18 | 1982-02-04 | Walter Ing.(Grad.) 8728 Hassfurt Voll | Einrichtung an einem Kraftfahrzeug zur Anzeige eines Mindestabstandes |
US4130792A (en) * | 1977-09-30 | 1978-12-19 | Sullivan John W | Metal detector with feedback tuning |
US4335339A (en) * | 1979-11-20 | 1982-06-15 | Brickner Joseph L | Electronic safety device |
GB2065946B (en) * | 1979-11-21 | 1983-08-24 | Redland Automation Ltd | Vehicle detiction installation |
US4678992A (en) * | 1983-07-12 | 1987-07-07 | Hi-Tech Systems, Corp. | Electronic metal detector |
US5198764A (en) * | 1991-02-22 | 1993-03-30 | Sentech Corp. | Position detector apparatus and method utilizing a transient voltage waveform processor |
AU650973B2 (en) * | 1991-06-17 | 1994-07-07 | Minnesota Mining And Manufacturing Company | Vehicle detector with environmental adaptation |
WO1996000958A1 (de) * | 1994-06-30 | 1996-01-11 | Skidata Computer Gesellschaft M.B.H. | Einrichtung zur erfassung von fahrzeugen |
DE4427549C2 (de) * | 1994-08-04 | 1997-03-20 | Weiss Electronic Elektronische | Verfahren und Vorrichtung zur Bestimmung der Geschwindigkeit von Fahrzeugen |
EP0987566A3 (de) * | 1998-09-15 | 2003-03-12 | Siemens Aktiengesellschaft | Fahrzeugdetektor mit mindestens einer Induktivschleife als Sensor und Verfahren zum Durchführen einer Fahrzeugdetektion |
WO2008061099A2 (en) * | 2006-11-13 | 2008-05-22 | Noel Ii Phares A | Space monitoring detector |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3451041A (en) * | 1966-04-04 | 1969-06-17 | Singer General Precision | Vehicle presence detector system |
US3373374A (en) * | 1966-06-01 | 1968-03-12 | Gen Precision Systems Inc | Self-tunable vehicle presence detector system |
CH481439A (de) * | 1967-09-25 | 1969-11-15 | Siemens Ag | Schaltungsanordnung zur Messung der Induktivitätsänderungen an Schleifendetektoren |
-
1970
- 1970-08-14 US US63670A patent/US3685013A/en not_active Expired - Lifetime
-
1971
- 1971-08-12 DE DE19712140538 patent/DE2140538A1/de active Pending
- 1971-08-12 FR FR7130039A patent/FR2104856A1/fr not_active Withdrawn
- 1971-08-13 JP JP6136471A patent/JPS475053A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49106262A (ja) * | 1973-02-08 | 1974-10-08 |
Also Published As
Publication number | Publication date |
---|---|
DE2140538A1 (de) | 1972-02-17 |
US3685013A (en) | 1972-08-15 |
FR2104856A1 (ja) | 1972-04-21 |
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