DE69010995D1 - Signalsender für Strahlungsenergie. - Google Patents

Signalsender für Strahlungsenergie.

Info

Publication number
DE69010995D1
DE69010995D1 DE69010995T DE69010995T DE69010995D1 DE 69010995 D1 DE69010995 D1 DE 69010995D1 DE 69010995 T DE69010995 T DE 69010995T DE 69010995 T DE69010995 T DE 69010995T DE 69010995 D1 DE69010995 D1 DE 69010995D1
Authority
DE
Germany
Prior art keywords
signal transmitter
radiation energy
energy signal
radiation
transmitter
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.)
Expired - Fee Related
Application number
DE69010995T
Other languages
English (en)
Other versions
DE69010995T2 (de
Inventor
James L Stopa
Earl B C O Minnesota M Hoekman
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of DE69010995D1 publication Critical patent/DE69010995D1/de
Application granted granted Critical
Publication of DE69010995T2 publication Critical patent/DE69010995T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Keying Circuit Devices (AREA)
DE69010995T 1989-04-28 1990-04-25 Signalsender für Strahlungsenergie. Expired - Fee Related DE69010995T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/344,748 US4972185A (en) 1989-04-28 1989-04-28 Radiant energy signal transmitter

Publications (2)

Publication Number Publication Date
DE69010995D1 true DE69010995D1 (de) 1994-09-01
DE69010995T2 DE69010995T2 (de) 1995-01-26

Family

ID=23351859

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69010995T Expired - Fee Related DE69010995T2 (de) 1989-04-28 1990-04-25 Signalsender für Strahlungsenergie.

Country Status (6)

Country Link
US (1) US4972185A (de)
EP (1) EP0400803B1 (de)
AU (1) AU619397B2 (de)
CA (1) CA2013579A1 (de)
DE (1) DE69010995T2 (de)
ES (1) ES2057389T3 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172113A (en) * 1991-10-24 1992-12-15 Minnesota Mining And Manufacturing Company System and method for transmitting data in an optical traffic preemption system
BR9406796A (pt) * 1993-06-09 1996-03-19 Minnesota Mining & Mfg Aparelho para rastreamento de veículos
US7573399B2 (en) * 2005-06-01 2009-08-11 Global Traffic Technologies, Llc Multimode traffic priority/preemption vehicle arrangement
US7417560B2 (en) * 2005-06-01 2008-08-26 Global Traffic Technologies, Llc Multimode traffic priority/preemption intersection arrangement
US7307547B2 (en) * 2005-06-01 2007-12-11 Global Traffic Technologies, Llc Traffic preemption system signal validation method
US7333028B2 (en) * 2005-06-01 2008-02-19 Global Traffic Technologies, Llc Traffic preemption system communication method
US7432826B2 (en) * 2005-06-16 2008-10-07 Global Traffic Technologies, Llc Traffic preemption system with headway management
US7515064B2 (en) * 2005-06-16 2009-04-07 Global Traffic Technologies, Llc Remote activation of a vehicle priority system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2355607A (en) * 1940-03-25 1944-08-15 Shepherd Judson O'd Control system
US2457502A (en) * 1944-08-09 1948-12-28 Shepherd Judson O'd Signal system employing polarized light
US2881409A (en) * 1955-09-07 1959-04-07 Em Tec Inc Signalling system
US3550078A (en) * 1967-03-16 1970-12-22 Minnesota Mining & Mfg Traffic signal remote control system
JPS5716557B2 (de) * 1972-12-13 1982-04-06
USRE28100E (en) * 1973-07-13 1974-08-06 Traffic signal remote control system
US4016532A (en) * 1975-11-05 1977-04-05 Rose Levi L Emergency traffic control system with security transmission coding
US4162477A (en) * 1977-06-03 1979-07-24 Minnesota Mining And Manufacturing Company Remote control system for traffic signal control system
DE7804106U1 (de) * 1978-02-13 1978-06-15 Hoermann Kg Antriebs- Und Steuerungstechnik, 4834 Harsewinkel Handsender fuer zwei unterschiedliche signale
US4234967A (en) * 1978-10-20 1980-11-18 Minnesota Mining And Manufacturing Company Optical signal transmitter
US4321507A (en) * 1978-11-21 1982-03-23 Austin Electronics, Inc. Strobe power supply
JPS55140622A (en) * 1979-04-16 1980-11-04 Hitachi Ltd Electronically controlled direction indicator
US4443783A (en) * 1981-02-25 1984-04-17 Mitchell Wilbur L Traffic light control for emergency vehicles
US4775865A (en) * 1985-12-16 1988-10-04 E-Lited Limited, A California Limited Partnership Emergency vehicle warning and traffic control system

Also Published As

Publication number Publication date
ES2057389T3 (es) 1994-10-16
EP0400803B1 (de) 1994-07-27
CA2013579A1 (en) 1990-10-28
AU619397B2 (en) 1992-01-23
EP0400803A1 (de) 1990-12-05
DE69010995T2 (de) 1995-01-26
US4972185A (en) 1990-11-20
AU5243890A (en) 1990-11-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee