CA1046943A - Luminescent solid state status indicator - Google Patents

Luminescent solid state status indicator

Info

Publication number
CA1046943A
CA1046943A CA242,489A CA242489A CA1046943A CA 1046943 A CA1046943 A CA 1046943A CA 242489 A CA242489 A CA 242489A CA 1046943 A CA1046943 A CA 1046943A
Authority
CA
Canada
Prior art keywords
status indicator
solid state
energizing voltage
electrode
magnitude
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
Application number
CA242,489A
Other languages
English (en)
French (fr)
Other versions
CA242489S (en
Inventor
Magnus G. Craford
David L. Keune
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.)
Monsanto Co
Original Assignee
Monsanto 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 Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of CA1046943A publication Critical patent/CA1046943A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Audible And Visible Signals (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
CA242,489A 1974-12-24 1975-12-23 Luminescent solid state status indicator Expired CA1046943A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/536,145 US3964039A (en) 1974-12-24 1974-12-24 Luminescent solid state status indicators

Publications (1)

Publication Number Publication Date
CA1046943A true CA1046943A (en) 1979-01-23

Family

ID=24137343

Family Applications (1)

Application Number Title Priority Date Filing Date
CA242,489A Expired CA1046943A (en) 1974-12-24 1975-12-23 Luminescent solid state status indicator

Country Status (3)

Country Link
US (1) US3964039A (https=)
JP (1) JPS5752991B2 (https=)
CA (1) CA1046943A (https=)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044304A (en) * 1974-01-28 1977-08-23 Nippon Kogaku K.K. Device for checking a d c source voltage relative to a predetermined value
US4122389A (en) * 1977-05-23 1978-10-24 Tandy Corporation Moisture sensor
DE2744499A1 (de) * 1977-10-04 1979-04-12 Bosch Gmbh Robert Stromversorgungseinrichtung fuer kraftfahrzeuge
JPS54135969U (https=) * 1978-03-14 1979-09-20
DE2903219A1 (de) * 1979-01-27 1980-08-07 Bosch Gmbh Robert Vorrichtung zur anzeige von reglerausfaellen bei lichtmaschinen
US4307389A (en) * 1980-04-25 1981-12-22 Ford Motor Company Decoding circuit
FR2537752B1 (fr) * 1982-12-14 1988-02-19 Debailleul Daniel Procede de fabrication de voyants de tension a led pour tensions alternatives, en mono, bi ou tri-couleurs, sans consommation d'energie
US4550287A (en) * 1983-08-11 1985-10-29 The Boeing Company Data bus test instrument having a tri-colored LED and indicating continuity, voltage and polarity
US4607227A (en) * 1984-01-20 1986-08-19 Ford Motor Company Open circuit voltage test device
US5065142A (en) * 1990-05-23 1991-11-12 Service Machine Company Voltage pickup circuit and flashing display for high voltage indicator device, and input electrode therefor
US5051733A (en) * 1990-05-23 1991-09-24 Service Machine Company High voltage indicator device
GB2350696A (en) * 1999-05-28 2000-12-06 Notetry Ltd Visual status indicator for a robotic machine, eg a vacuum cleaner
US6603302B2 (en) * 2001-08-01 2003-08-05 Frank Joseph Prineppi Circuit testers
US9820888B2 (en) 2006-09-26 2017-11-21 Smith & Nephew, Inc. Wound dressing
US8298200B2 (en) 2009-06-01 2012-10-30 Tyco Healthcare Group Lp System for providing continual drainage in negative pressure wound therapy
GB0902368D0 (en) 2009-02-13 2009-04-01 Smith & Nephew Wound packing
US8791315B2 (en) 2010-02-26 2014-07-29 Smith & Nephew, Inc. Systems and methods for using negative pressure wound therapy to manage open abdominal wounds
WO2013175306A2 (en) 2012-05-23 2013-11-28 Smith & Nephew Plc Apparatuses and methods for negative pressure wound therapy
EP4699626A2 (en) 2012-08-01 2026-02-25 Smith & Nephew plc Wound dressing and method of treatment
BR112015002154A2 (pt) 2012-08-01 2017-07-04 Smith & Nephew curativo de ferimento
JP6715598B2 (ja) 2013-03-15 2020-07-01 スミス アンド ネフュー ピーエルシーＳｍｉｔｈ ＆ Ｎｅｐｈｅｗ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ 創傷ドレッシングおよび治療方法
US9922528B2 (en) 2014-03-12 2018-03-20 Precor Incorporation Fitness equipment unit service condition notification system
JP7217241B2 (ja) 2017-06-30 2023-02-02 ティージェイ スミス アンド ネフュー リミテッド 陰圧創傷治療装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300659A (en) * 1964-05-18 1967-01-24 Gen Electric Fail safe overvoltage alarm circuit
FR2139870B1 (https=) * 1971-05-29 1977-09-30 Ver Flugtechnische Werke
US3863150A (en) * 1973-06-22 1975-01-28 Gentrix Engineering Ltd Electrical current flow indicator

Also Published As

Publication number Publication date
JPS5189473A (https=) 1976-08-05
JPS5752991B2 (https=) 1982-11-10
US3964039A (en) 1976-06-15

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