DE69407674T2 - Umgebungsverhältnisdetektor mit Hochintensitätslicht - Google Patents

Umgebungsverhältnisdetektor mit Hochintensitätslicht

Info

Publication number
DE69407674T2
DE69407674T2 DE69407674T DE69407674T DE69407674T2 DE 69407674 T2 DE69407674 T2 DE 69407674T2 DE 69407674 T DE69407674 T DE 69407674T DE 69407674 T DE69407674 T DE 69407674T DE 69407674 T2 DE69407674 T2 DE 69407674T2
Authority
DE
Germany
Prior art keywords
high intensity
intensity light
ratio detector
ambient ratio
ambient
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 - Lifetime
Application number
DE69407674T
Other languages
English (en)
Other versions
DE69407674D1 (de
Inventor
Michael A Swieboda
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.)
BRK Brands Inc
Original Assignee
BRK Brands Inc
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 BRK Brands Inc filed Critical BRK Brands Inc
Application granted granted Critical
Publication of DE69407674D1 publication Critical patent/DE69407674D1/de
Publication of DE69407674T2 publication Critical patent/DE69407674T2/de
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
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
DE69407674T 1993-05-20 1994-05-19 Umgebungsverhältnisdetektor mit Hochintensitätslicht Expired - Lifetime DE69407674T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6522293A 1993-05-20 1993-05-20

Publications (2)

Publication Number Publication Date
DE69407674D1 DE69407674D1 (de) 1998-02-12
DE69407674T2 true DE69407674T2 (de) 1998-05-14

Family

ID=22061170

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69407674T Expired - Lifetime DE69407674T2 (de) 1993-05-20 1994-05-19 Umgebungsverhältnisdetektor mit Hochintensitätslicht

Country Status (6)

Country Link
US (1) US5570077A (de)
EP (1) EP0632417B1 (de)
JP (1) JPH06333176A (de)
AU (1) AU670485B2 (de)
CA (1) CA2122430C (de)
DE (1) DE69407674T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09147957A (ja) * 1995-11-22 1997-06-06 Yazaki Corp 二重係止機構を備えたコネクタ
US5726634A (en) * 1996-02-06 1998-03-10 Hess; Oneida V. Smoke alarm with high and low pitched tones
US5962984A (en) * 1998-01-12 1999-10-05 Morris W. Mashburn, III High intensity lighting circuit
US6133839A (en) * 1998-04-13 2000-10-17 Ellul Enterprises, Inc. Smoke detector apparatus with emergency escape indicator
US6075445A (en) * 1998-06-19 2000-06-13 Mcloughlin; John E. High-temperature warning unit
US6311021B1 (en) * 1999-11-24 2001-10-30 Wheelock, Inc. Multi-candela alarm unit
AU2002212593A1 (en) * 2000-11-06 2002-05-15 David Lechtman Method of operating a device exposed to ambient conditions and installation including such a device
US6897772B1 (en) 2000-11-14 2005-05-24 Honeywell International, Inc. Multi-function control system
JP4002090B2 (ja) * 2001-10-31 2007-10-31 浜松ホトニクス株式会社 閃光放電管用電源回路
US6856241B1 (en) * 2003-05-05 2005-02-15 Honeywell International, Inc. Variable candela strobe
US7218205B2 (en) * 2003-05-05 2007-05-15 Honeywell International, Inc. Variable candela strobe with constant trigger voltage
CN1891016B (zh) * 2003-12-08 2011-04-06 汤姆逊许可公司 向高强度放电灯供电的系统和方法
US7636049B2 (en) * 2005-12-14 2009-12-22 Ellul Jr Joseph Emergency notification and directional signaling apparatus
US7456585B2 (en) * 2006-05-11 2008-11-25 Simplexgrinnell Lp Optical element driving circuit
WO2009004993A1 (ja) * 2007-06-29 2009-01-08 Rohm Co., Ltd. 警報装置
US7994729B2 (en) * 2008-07-21 2011-08-09 Simplexgrinnell Lp Optical element driving circuit
US8232884B2 (en) * 2009-04-24 2012-07-31 Gentex Corporation Carbon monoxide and smoke detectors having distinct alarm indications and a test button that indicates improper operation
US8836532B2 (en) 2009-07-16 2014-09-16 Gentex Corporation Notification appliance and method thereof
JP2011198194A (ja) * 2010-03-23 2011-10-06 Nohmi Bosai Ltd フラッシュライト警報装置
US8796931B2 (en) * 2012-06-18 2014-08-05 Tyco Fire & Security Gmbh Current regulated LED strobe drive circuit
US9905093B1 (en) 2016-08-02 2018-02-27 Samuel Burgess Auxiliary alarm for existing alarm system

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3822393A (en) * 1972-10-11 1974-07-02 Berkey Photo Inc Electronic strobe
US4283657A (en) * 1976-03-25 1981-08-11 Lampiridae Associates Exit illuminating system
US4459005A (en) * 1983-04-13 1984-07-10 Eastman Kodak Company Flash exposure control apparatus for a fixed-focus camera
US4754416A (en) * 1986-09-08 1988-06-28 Automatic Power, Inc. Universal synchronous marine navigation light system
AU7393187A (en) * 1987-05-04 1988-12-06 Jan Rydgren Personal smoke warning unit
US4763114A (en) * 1987-07-09 1988-08-09 Eidsmore Paul G Fluid flow indicator
US4900990A (en) * 1987-10-06 1990-02-13 Sikora Scott T Method and apparatus for energizing a gaseous discharge lamp using switched energy storage capacitors
US5177461A (en) * 1988-11-28 1993-01-05 Universal Electronics Inc. Warning light system for use with a smoke detector
US4952906A (en) * 1989-01-27 1990-08-28 General Signal Corporation Strobe alarm circuit
US5019805A (en) * 1989-02-03 1991-05-28 Flash-Alert Inc. Smoke detector with strobed visual alarm and remote alarm coupling
GB2230663B (en) * 1989-03-15 1994-07-06 Asahi Optical Co Ltd Strobe control apparatus
AU644071B2 (en) * 1989-05-05 1993-12-02 Interphaze Pty Limited Location marker
EP0479538B1 (de) * 1990-10-02 2000-03-08 Canon Kabushiki Kaisha Fotografiervorrichtung
US5128591A (en) * 1991-07-10 1992-07-07 Wheelock Inc. Strobe alarm circuit
JPH0582281A (ja) * 1991-09-19 1993-04-02 West Electric Co Ltd ストロボ装置

Also Published As

Publication number Publication date
AU5771094A (en) 1994-12-01
CA2122430A1 (en) 1994-11-21
CA2122430C (en) 2000-04-18
JPH06333176A (ja) 1994-12-02
US5570077A (en) 1996-10-29
DE69407674D1 (de) 1998-02-12
EP0632417B1 (de) 1998-01-07
EP0632417A1 (de) 1995-01-04
AU670485B2 (en) 1996-07-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BOEHMERT & BOEHMERT, 28209 BREMEN