EP0137337A3 - - Google Patents

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Publication number
EP0137337A3
EP0137337A3 EP84110885A EP84110885A EP0137337A3 EP 0137337 A3 EP0137337 A3 EP 0137337A3 EP 84110885 A EP84110885 A EP 84110885A EP 84110885 A EP84110885 A EP 84110885A EP 0137337 A3 EP0137337 A3 EP 0137337A3
Authority
EP
European Patent Office
Prior art keywords
transmitter
battery
transmits
alarm
station
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
EP84110885A
Other versions
EP0137337B1 (en
EP0137337A2 (en
Inventor
Gunter Dipl.-Ing. Haefele
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to AT84110885T priority Critical patent/ATE31832T1/en
Publication of EP0137337A2 publication Critical patent/EP0137337A2/en
Publication of EP0137337A3 publication Critical patent/EP0137337A3/xx
Application granted granted Critical
Publication of EP0137337B1 publication Critical patent/EP0137337B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/181—Prevention or correction of operating errors due to failing power supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Circuits Of Receivers In General (AREA)
  • Communication Control (AREA)

Abstract

1. An alarm system comprising at least one battery-operated subsidiary station (A) with an alarm (1) and a transmitter (5-8) coupled thereto for wireless signal transmission to a receiver (9) of a main station (B), where the subsidiary station contains a battery-monitoring stage (2) which transmits a signal when it reponds, characterised in that the transmitter (5-8) transmits a continuous signal when the alarm (1) has responded, that the transmitter (5-8) transmits periodic short pulses when the battery-monitoring stage (2) has not responded, and that the main station is mains-operated.
EP84110885A 1983-09-26 1984-09-12 Signal arrangement with wireless signal transmission between a battery-operated substation and a mains-operated main station Expired EP0137337B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84110885T ATE31832T1 (en) 1983-09-26 1984-09-12 SIGNALING SYSTEM WITH WIRELESS SIGNAL TRANSMISSION BETWEEN A BATTERY OPERATED SUBSTATION AND A MAINS OPERATED MAIN STATION.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3334820 1983-09-26
DE19833334820 DE3334820A1 (en) 1983-09-26 1983-09-26 SIGNALING SYSTEM WITH WIRELESS SIGNAL TRANSFER BETWEEN A BATTERY-OPERATED SUBSTATION AND A MAINS-OPERATED MAIN STATION

Publications (3)

Publication Number Publication Date
EP0137337A2 EP0137337A2 (en) 1985-04-17
EP0137337A3 true EP0137337A3 (en) 1985-06-19
EP0137337B1 EP0137337B1 (en) 1988-01-07

Family

ID=6210116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84110885A Expired EP0137337B1 (en) 1983-09-26 1984-09-12 Signal arrangement with wireless signal transmission between a battery-operated substation and a mains-operated main station

Country Status (4)

Country Link
EP (1) EP0137337B1 (en)
AT (1) ATE31832T1 (en)
DE (2) DE3334820A1 (en)
NO (1) NO160634C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0253156A1 (en) * 1986-06-25 1988-01-20 Siemens Aktiengesellschaft Intrusion alarm system
GB8701202D0 (en) * 1987-01-20 1987-02-25 Wakefield Health Authority Infra-red personal attack alarm system
FI85632C (en) * 1990-04-20 1992-05-11 Salora Myynti Oy Remote controlled entertainment electronics device
GB2247095B (en) * 1990-07-27 1994-08-03 Tensator Ltd An alarm system for a barrier
DE4024821A1 (en) * 1990-08-04 1992-02-06 Koettgen Gmbh & Co Kg Monitor for sensor point(s) with sensor signal reception - is formed by transmitter of control signals in presettable time intervals
NL1005096C2 (en) * 1997-01-27 1998-07-29 Estafette B V Portable alarm unit for aged and infirm
US11684015B2 (en) 2019-08-07 2023-06-27 Cnh Industrial America Llc Agricultural baling system with controlled tractor steering to balance bale density

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2261979A1 (en) * 1971-04-09 1974-06-20 Statitrol Corp ELECTRONIC CIRCUIT WITH BATTERY VOLTAGE MONITORING
US4056815A (en) * 1976-02-03 1977-11-01 Westinghouse Electric Corporation Battery operated transmitter circuit
US4110741A (en) * 1976-01-20 1978-08-29 Societe Chimique Des Charbonnages Device for monitoring physical activity of persons
US4219806A (en) * 1978-09-15 1980-08-26 American District Telegraph Company Dual alarm gas detector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2261979A1 (en) * 1971-04-09 1974-06-20 Statitrol Corp ELECTRONIC CIRCUIT WITH BATTERY VOLTAGE MONITORING
US4110741A (en) * 1976-01-20 1978-08-29 Societe Chimique Des Charbonnages Device for monitoring physical activity of persons
US4056815A (en) * 1976-02-03 1977-11-01 Westinghouse Electric Corporation Battery operated transmitter circuit
US4219806A (en) * 1978-09-15 1980-08-26 American District Telegraph Company Dual alarm gas detector

Also Published As

Publication number Publication date
EP0137337B1 (en) 1988-01-07
NO160634C (en) 1989-05-10
NO843830L (en) 1985-03-27
DE3334820A1 (en) 1985-04-04
ATE31832T1 (en) 1988-01-15
EP0137337A2 (en) 1985-04-17
DE3468565D1 (en) 1988-02-11
NO160634B (en) 1989-01-30

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