EP0901111A3 - Method and device for alerting people - Google Patents

Method and device for alerting people Download PDF

Info

Publication number
EP0901111A3
EP0901111A3 EP98115790A EP98115790A EP0901111A3 EP 0901111 A3 EP0901111 A3 EP 0901111A3 EP 98115790 A EP98115790 A EP 98115790A EP 98115790 A EP98115790 A EP 98115790A EP 0901111 A3 EP0901111 A3 EP 0901111A3
Authority
EP
European Patent Office
Prior art keywords
warning signals
during
period
warning
noise value
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.)
Granted
Application number
EP98115790A
Other languages
German (de)
French (fr)
Other versions
EP0901111B1 (en
EP0901111A2 (en
Inventor
Hermann Stein
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.)
SCHWEIZER ELECTRONIC M2S AG
Original Assignee
Stein GmbH
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 Stein GmbH filed Critical Stein GmbH
Publication of EP0901111A2 publication Critical patent/EP0901111A2/en
Publication of EP0901111A3 publication Critical patent/EP0901111A3/en
Application granted granted Critical
Publication of EP0901111B1 publication Critical patent/EP0901111B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
    • B61L23/06—Control, warning, or like safety means along the route or between vehicles or vehicle trains for warning men working on the route

Abstract

The method involves measuring noise levels during a pause in the warning signals and storing this as a reference noise value. The level of the warning signals (25,55) are then measured during the period when the warning apparatus is active. During this period, the warning signals are adjusted until their measured level exceeds the previously stored noise value by a preset amount. There is also an Independent claim to an apparatus for carrying out the method.
EP98115790A 1997-09-04 1998-08-21 Method and device for alerting people Expired - Lifetime EP0901111B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19738568 1997-09-04
DE19738568A DE19738568C1 (en) 1997-09-04 1997-09-04 Method and device for warning people

Publications (3)

Publication Number Publication Date
EP0901111A2 EP0901111A2 (en) 1999-03-10
EP0901111A3 true EP0901111A3 (en) 2000-01-12
EP0901111B1 EP0901111B1 (en) 2003-03-26

Family

ID=7841103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98115790A Expired - Lifetime EP0901111B1 (en) 1997-09-04 1998-08-21 Method and device for alerting people

Country Status (6)

Country Link
EP (1) EP0901111B1 (en)
AT (1) ATE235728T1 (en)
DE (2) DE19738568C1 (en)
DK (1) DK0901111T3 (en)
ES (1) ES2195243T3 (en)
PT (1) PT901111E (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2457307A (en) 2008-02-11 2009-08-12 Apollo Fire Detectors Ltd Fire alarm signalling with voice modulated HF signal multiplexed on to plateaus of existing lower frequency pulses carried on power cabling

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4243973A (en) * 1979-03-27 1981-01-06 Gordon B. Arnold Home integrated signal system
GB2084783A (en) * 1980-10-02 1982-04-15 Production Eng Res Audio system
GB2160004A (en) * 1984-03-15 1985-12-11 Patrick Joseph Lally Improvements relating to audible warning devices
DE3624099A1 (en) * 1986-07-17 1988-01-21 Stein Gmbh Device for audibly warning persons via a radio-frequency information channel
US4904992A (en) * 1989-03-28 1990-02-27 Motorola, Inc. Radio with message reception and ambient noise level controlled indicator
EP0518267A2 (en) * 1991-06-13 1992-12-16 KONE Elevator GmbH Procedure for local automatic control of the brightness and sound volume of a signalling device of an elevator
DE4219067A1 (en) * 1992-06-11 1993-12-16 Gerd R Dipl Ing Wetzler Warning personnel and vehicles in track area of railway lines - protecting against approaching and passing railway vehicles, also departing vehicles, using source producing continuous body sound signals in track rails.
DE4422308A1 (en) * 1994-06-17 1995-12-21 Zoellner Gmbh Automatic rotten warning device
US5576685A (en) * 1992-01-29 1996-11-19 Kabushiki Kaisha Kawai Gakki Seisakusho Sound generation apparatus responsive to environmental conditions for use in a public space

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4243973A (en) * 1979-03-27 1981-01-06 Gordon B. Arnold Home integrated signal system
GB2084783A (en) * 1980-10-02 1982-04-15 Production Eng Res Audio system
GB2160004A (en) * 1984-03-15 1985-12-11 Patrick Joseph Lally Improvements relating to audible warning devices
DE3624099A1 (en) * 1986-07-17 1988-01-21 Stein Gmbh Device for audibly warning persons via a radio-frequency information channel
US4904992A (en) * 1989-03-28 1990-02-27 Motorola, Inc. Radio with message reception and ambient noise level controlled indicator
EP0518267A2 (en) * 1991-06-13 1992-12-16 KONE Elevator GmbH Procedure for local automatic control of the brightness and sound volume of a signalling device of an elevator
US5576685A (en) * 1992-01-29 1996-11-19 Kabushiki Kaisha Kawai Gakki Seisakusho Sound generation apparatus responsive to environmental conditions for use in a public space
DE4219067A1 (en) * 1992-06-11 1993-12-16 Gerd R Dipl Ing Wetzler Warning personnel and vehicles in track area of railway lines - protecting against approaching and passing railway vehicles, also departing vehicles, using source producing continuous body sound signals in track rails.
DE4422308A1 (en) * 1994-06-17 1995-12-21 Zoellner Gmbh Automatic rotten warning device

Also Published As

Publication number Publication date
EP0901111B1 (en) 2003-03-26
ATE235728T1 (en) 2003-04-15
ES2195243T3 (en) 2003-12-01
EP0901111A2 (en) 1999-03-10
DE59807622D1 (en) 2003-04-30
DK0901111T3 (en) 2003-06-16
DE19738568C1 (en) 1999-03-11
PT901111E (en) 2003-08-29

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