DE2157821A1 - Counting and ueberwachungsanlage for motorcars, or the like - Google Patents

Counting and ueberwachungsanlage for motorcars, or the like

Info

Publication number
DE2157821A1
DE2157821A1 DE19712157821 DE2157821A DE2157821A1 DE 2157821 A1 DE2157821 A1 DE 2157821A1 DE 19712157821 DE19712157821 DE 19712157821 DE 2157821 A DE2157821 A DE 2157821A DE 2157821 A1 DE2157821 A1 DE 2157821A1
Authority
DE
Germany
Prior art keywords
ueberwachungsanlage
motorcars
counting
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
Application number
DE19712157821
Other languages
German (de)
Inventor
Siegfried Dr Ing Geckeler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE19712157821 priority Critical patent/DE2157821A1/en
Publication of DE2157821A1 publication Critical patent/DE2157821A1/en
Application status is Pending legal-status Critical

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/04Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light or radiation of shorter wavelength; Actuation by intruding sources of heat, light or radiation of shorter wavelength
    • G08B13/189Actuation by interference with heat, light or radiation of shorter wavelength; Actuation by intruding sources of heat, light or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/19Actuation by interference with heat, light or radiation of shorter wavelength; Actuation by intruding sources of heat, light or radiation of shorter wavelength using passive radiation detection systems using infra-red radiation detection systems
    • G08B13/191Actuation by interference with heat, light or radiation of shorter wavelength; Actuation by intruding sources of heat, light or radiation of shorter wavelength using passive radiation detection systems using infra-red radiation detection systems using pyroelectric sensor means
DE19712157821 1971-11-22 1971-11-22 Counting and ueberwachungsanlage for motorcars, or the like Pending DE2157821A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19712157821 DE2157821A1 (en) 1971-11-22 1971-11-22 Counting and ueberwachungsanlage for motorcars, or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712157821 DE2157821A1 (en) 1971-11-22 1971-11-22 Counting and ueberwachungsanlage for motorcars, or the like

Publications (1)

Publication Number Publication Date
DE2157821A1 true DE2157821A1 (en) 1973-05-30

Family

ID=5825771

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712157821 Pending DE2157821A1 (en) 1971-11-22 1971-11-22 Counting and ueberwachungsanlage for motorcars, or the like

Country Status (1)

Country Link
DE (1) DE2157821A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2920333A1 (en) * 1978-07-21 1980-01-31 Giken Trading Co A device for counting persons
DE3142978A1 (en) * 1981-10-29 1983-05-19 Siemens Ag Method and apparatus for detecting when vehicles enter or leave a particular section (measuring zone) of a traffic area
DE3602299A1 (en) * 1986-01-27 1987-07-30 Bernd A Langenfeld Person detection and identification system
WO1990005969A2 (en) * 1988-11-14 1990-05-31 David Kenneth Martell Traffic congestion monitoring system
EP0814446A1 (en) * 1996-06-18 1997-12-29 Siemens Plc Improvements in or relating to traffic control systems
US8195188B2 (en) 1997-08-04 2012-06-05 Enovsys Llc Location reporting satellite paging system with optional blocking of location reporting

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2920333A1 (en) * 1978-07-21 1980-01-31 Giken Trading Co A device for counting persons
DE3142978A1 (en) * 1981-10-29 1983-05-19 Siemens Ag Method and apparatus for detecting when vehicles enter or leave a particular section (measuring zone) of a traffic area
DE3602299A1 (en) * 1986-01-27 1987-07-30 Bernd A Langenfeld Person detection and identification system
WO1990005969A2 (en) * 1988-11-14 1990-05-31 David Kenneth Martell Traffic congestion monitoring system
WO1990005969A3 (en) * 1988-11-14 1990-06-28 David Kenneth Martell Traffic congestion monitoring system
US5317311A (en) * 1988-11-14 1994-05-31 Martell David K Traffic congestion monitoring system
EP0814446A1 (en) * 1996-06-18 1997-12-29 Siemens Plc Improvements in or relating to traffic control systems
US5892226A (en) * 1996-06-18 1999-04-06 Siemens Plc Traffic control systems
US8195188B2 (en) 1997-08-04 2012-06-05 Enovsys Llc Location reporting satellite paging system with optional blocking of location reporting
US8559942B2 (en) 1997-08-04 2013-10-15 Mundi Fomukong Updating a mobile device's location
US8706078B2 (en) 1997-08-04 2014-04-22 Enovsys Llc Location reporting satellite paging system with privacy feature

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