GB8609978D0 - Alarm for open port - Google Patents

Alarm for open port

Info

Publication number
GB8609978D0
GB8609978D0 GB868609978A GB8609978A GB8609978D0 GB 8609978 D0 GB8609978 D0 GB 8609978D0 GB 868609978 A GB868609978 A GB 868609978A GB 8609978 A GB8609978 A GB 8609978A GB 8609978 D0 GB8609978 D0 GB 8609978D0
Authority
GB
United Kingdom
Prior art keywords
alarm
open port
port
open
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Withdrawn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
GB868609978A
Other versions
GB2175117A (en
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.)
Howard M S
Original Assignee
Howard M S
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 Howard M S filed Critical Howard M S
Publication of GB8609978D0 publication Critical patent/GB8609978D0/en
Publication of GB2175117A publication Critical patent/GB2175117A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/008—Alarm devices
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/02—Sensors detecting door opening

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
GB08609978A 1985-05-12 1986-04-24 Alarm for open port Withdrawn GB2175117A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL75171A IL75171A0 (en) 1985-05-12 1985-05-12 Alarm for open port

Publications (2)

Publication Number Publication Date
GB8609978D0 true GB8609978D0 (en) 1986-05-29
GB2175117A GB2175117A (en) 1986-11-19

Family

ID=11055899

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08609978A Withdrawn GB2175117A (en) 1985-05-12 1986-04-24 Alarm for open port

Country Status (2)

Country Link
GB (1) GB2175117A (en)
IL (1) IL75171A0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5063372A (en) * 1990-06-22 1991-11-05 Ranco Incorporated Of Delaware Door ajar alarm for refrigeration unit
GB9924262D0 (en) * 1999-10-12 1999-12-15 Lewis Simon C D Refrigerator alarm
SE0000626L (en) * 2000-02-25 2001-08-26 Vattenfall Ab Methods and systems for detection
GB2434019B (en) * 2006-12-12 2008-02-27 Mervyn Porter Temperature sensitive alarm system
GB2451115A (en) * 2007-07-17 2009-01-21 Louise Dawn Hodges Letterbox alarm with time delay

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797006A (en) * 1972-07-26 1974-03-12 F Reininger Safety alarm system and switch
US4278968A (en) * 1979-11-13 1981-07-14 Arnett Coleman C Door status detector apparatus
FR2509496A1 (en) * 1981-07-09 1983-01-14 Labo Electronique Physique ALARM DEVICE FOR NON-CLOSING A DOOR, IN PARTICULAR A REFRIGERANT CABINET

Also Published As

Publication number Publication date
IL75171A0 (en) 1985-09-29
GB2175117A (en) 1986-11-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)