EP2003633A1 - Notalarmsystem für ein Fahrzeug - Google Patents

Notalarmsystem für ein Fahrzeug Download PDF

Info

Publication number
EP2003633A1
EP2003633A1 EP07011424A EP07011424A EP2003633A1 EP 2003633 A1 EP2003633 A1 EP 2003633A1 EP 07011424 A EP07011424 A EP 07011424A EP 07011424 A EP07011424 A EP 07011424A EP 2003633 A1 EP2003633 A1 EP 2003633A1
Authority
EP
European Patent Office
Prior art keywords
warning
feet
warning device
frequency signal
detect
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.)
Withdrawn
Application number
EP07011424A
Other languages
English (en)
French (fr)
Inventor
James Caouette, Sr.
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP07011424A priority Critical patent/EP2003633A1/de
Publication of EP2003633A1 publication Critical patent/EP2003633A1/de
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0965—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages responding to signals from another vehicle, e.g. emergency vehicle

Definitions

  • This invention relates to apparatus for detection of selected sound frequency signals emitted by sirens of emergency vehicles or warning signals from vehicles such as trains.
  • the new apparatus may detect a selected sound frequency signal spectrum emitted by various siren or warning sound sources from at least two distinct distances from a sensor to provide a user with a warning of the presence of an emergency vehicle and the relative distance of the emergency vehicle.
  • the system may involve digital signal processing and programming as part of the detection and differentiation process for detecting sirens of emergency vehicles. There may be a need for a simple, easy to apply siren or warning signal detection system.
  • the present invention is directed to apparatus for detection of selected sound frequency signals emitted by warning devices of vehicles.
  • a sensor may sense a selected sound frequency signal spectrum and may be in communication with multiple operational amplifiers.
  • the operational amplifiers may be biased to detect a warning device sound source within 50 feet and within 1,500 feet of the sensor.
  • the detection of a warning device sound source may be communicated to a warning indicator to activate the warning indicator.
  • Figure 1 illustrates a schematic of the emergency vehicle alert system according to an embodiment of the invention
  • Figure 2 illustrates a traffic roadway and vehicles according to an embodiment of the invention.
  • an emergency vehicle alert system 40 may have four audio frequency selection or detection circuits to detect selected sound frequency spectrum signals that may be transmitted by emergency vehicles 50, such as, ambulances, police cars, fire engines and the like, that may use roadways for travel.
  • emergency vehicles 50 such as, ambulances, police cars, fire engines and the like
  • Two of the detection circuits with operational amplifiers 20, 24 may be biased to detect the presence of low frequency spectrum sound attributable to warning devices or sirens used by emergency vehicles 50.
  • Two detection circuits with operational amplifiers 22, 26 may be biased to detect the presence of high frequency spectrum sound attributable to sirens of emergency vehicles 50.
  • the sensing element for the audio sound waves of a warning device or sirens may be a microphone 30 that may be in communication with the operational amplifiers 20, 22, 24, 26 to transmit the desired signal level for the received audio sound frequencies that are to be detected.
  • a prototype circuit using operational amplifiers LM324M was fabricated and tested. Other operational amplifier type may also be used with appropriate selection of other circuit components.
  • the operational amplifiers 20, 22, 24, 26 may also be biased to detect a received audio sound frequency at 1,500 feet or less and at 50 feet or less.
  • the Interconnection of components and the operational amplifiers 20, 22, 24, 26 may be selected for biasing amplifier 20 to detect low frequency spectrum sound attributable to a siren source that may be 50 feet or less distance from the sensor 30.
  • Operational amplifier 24 may be biased to detect low frequency spectrum sound attributable to a siren source that may be 1,500 feet or less distance from sensor 30. This combination may allow early warning of an emergency vehicle 50 emitted low frequency siren sound waves at 1,500 feet distance and a heightened alert warning when the emergency vehicle 50 may be within 50 feet of the sensor 30.
  • Such a staged warning system that may provide warning of the presence and relative distance may allow a vehicle 52 driver time to react to avoid any danger associated with the emergency vehicle 50 movement.
  • the operational amplifier 22 may detect high frequency audio sound within 50 feet and the operational amplifier 26 may detect high frequency audio sound within 1,500 feet.
  • a warning indicator 32 that may be connected to the operational amplifiers 20, 22, 24, 26 to have a repetitive low speed flashing illumination when a siren is detected within 1,500 feet of sensor 30 and to have a repetitive high speed flashing illumination when a siren is detected within 50 feet of sensor 30.
  • a variable rate warning indicator 32 compatible with the circuitry of Figure 1 may be selected to produce the desired effect.
  • the emergency vehicle alert system 40 may be connected to the vehicle 52 electrical power system and may be mounted adjacent the steering column on the dash board to facilitate warning of the vehicle 52 driver.
  • the emergency vehicle alert system 40 may also have a back up power source in the event the vehicle 52 power source may be interrupted.
  • the sensor 30 may be mounted external to the vehicle 52 interior to improve sensor detection of siren sound waves.
  • the system 40 has been described relative to emergency vehicle 50 sound detection as for example a sound emitted by a siren; however, other warning sound signals such as a train whistle may also be detected.
  • a train whistle or other vehicle warning sound may be detected.
  • This additional electronic circuitry may be housed in a common receiver unit with a siren alert system.
  • a separate warning indicator 32 may be located on the receiver unit to identify the type of sound detected.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
EP07011424A 2007-06-12 2007-06-12 Notalarmsystem für ein Fahrzeug Withdrawn EP2003633A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07011424A EP2003633A1 (de) 2007-06-12 2007-06-12 Notalarmsystem für ein Fahrzeug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07011424A EP2003633A1 (de) 2007-06-12 2007-06-12 Notalarmsystem für ein Fahrzeug

Publications (1)

Publication Number Publication Date
EP2003633A1 true EP2003633A1 (de) 2008-12-17

Family

ID=38694861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07011424A Withdrawn EP2003633A1 (de) 2007-06-12 2007-06-12 Notalarmsystem für ein Fahrzeug

Country Status (1)

Country Link
EP (1) EP2003633A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014225803A1 (de) 2014-12-15 2016-06-16 Bayerische Motoren Werke Aktiengesellschaft Erkennen eines im Einsatz befindlichen Einsatzfahrzeuges im Straßenverkehr

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158190A (en) * 1977-11-04 1979-06-12 Boris Stefanov Wailing siren detecting circuit
US5278553A (en) * 1991-10-04 1994-01-11 Robert H. Cornett Apparatus for warning of approaching emergency vehicle and method of warning motor vehicle operators of approaching emergency vehicles
WO1999031637A1 (en) * 1997-12-18 1999-06-24 Sentec Corporation Emergency vehicle alert system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158190A (en) * 1977-11-04 1979-06-12 Boris Stefanov Wailing siren detecting circuit
US5278553A (en) * 1991-10-04 1994-01-11 Robert H. Cornett Apparatus for warning of approaching emergency vehicle and method of warning motor vehicle operators of approaching emergency vehicles
WO1999031637A1 (en) * 1997-12-18 1999-06-24 Sentec Corporation Emergency vehicle alert system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014225803A1 (de) 2014-12-15 2016-06-16 Bayerische Motoren Werke Aktiengesellschaft Erkennen eines im Einsatz befindlichen Einsatzfahrzeuges im Straßenverkehr

Similar Documents

Publication Publication Date Title
US6731204B2 (en) Object detection system providing driver information through sound
US7245232B1 (en) Emergency vehicle alert system
EP0619570A1 (de) Einsatzfahrzeugalarmanlage für Fahrzeuge
US9475461B1 (en) Silent horn-signal with sender location
US10019902B2 (en) Enhanced sound generation for quiet vehicles with vehicle-to-vehicle communication capabilities
US4209769A (en) System for producing warning signals perceivable by an automobile driver in response to remote warning sounds
US6252521B1 (en) Emergency vehicle alert system
USRE43335E1 (en) Spotlight mounted motion detector
JP2003196799A (ja) マルチチャネルオーディオを用いた自動車の安全装置
US9731650B2 (en) Enhanced sound generation for quiet vehicles with vehicle-to-vehicle communication capabilities
CN204855800U (zh) 车载雷达系统
RU2014128468A (ru) Бортовая система для оказания технической помощи на дороге
KR20150111468A (ko) 스마트기기를 이용한 자전거 안전정보 제공 시스템
US6714127B2 (en) Emergency warning system for vehicles
EP3128497A1 (de) Vorrichtung zur alarmierung bei sich nähernden notfallfahrzeugen
US5739767A (en) Vehicle safety warning system
KR20160112667A (ko) 2차 도로사고 방지를 위한 사고 신호장치
EP2003633A1 (de) Notalarmsystem für ein Fahrzeug
JP6131752B2 (ja) 車両周囲環境報知システム
AU2007202635A1 (en) Emergency vehicle alert system
FI112717B (fi) Elektroniikkalaitteisto ajoneuvojen yhteentörmäysten estämiseksi
CA2591099A1 (en) Emergency vehicle alert system
US20070008175A1 (en) Siren detection notification alarm
US20110221610A1 (en) Smart chip radio
MX2007007538A (es) Sistema de alerta de vehiculo de emergencia.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

17P Request for examination filed

Effective date: 20090616

17Q First examination report despatched

Effective date: 20090710

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20091121