JPH0525211B2 - - Google Patents

Info

Publication number
JPH0525211B2
JPH0525211B2 JP58226027A JP22602783A JPH0525211B2 JP H0525211 B2 JPH0525211 B2 JP H0525211B2 JP 58226027 A JP58226027 A JP 58226027A JP 22602783 A JP22602783 A JP 22602783A JP H0525211 B2 JPH0525211 B2 JP H0525211B2
Authority
JP
Japan
Prior art keywords
line
repeater
voltage
information
period
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
JP58226027A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60117939A (ja
Inventor
Motoharu Terada
Kazumasa Murakami
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP58226027A priority Critical patent/JPS60117939A/ja
Priority to US06/602,750 priority patent/US4610012A/en
Priority to GB08410748A priority patent/GB2150793B/en
Priority to SE8402299A priority patent/SE457681B/sv
Priority to DE19843415766 priority patent/DE3415766A1/de
Priority to NO841728A priority patent/NO163834C/no
Publication of JPS60117939A publication Critical patent/JPS60117939A/ja
Publication of JPH0525211B2 publication Critical patent/JPH0525211B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • G01R31/2829—Testing of circuits in sensor or actuator systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
    • G08B26/002—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel only replying the state of the sensor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Small-Scale Networks (AREA)
JP58226027A 1983-11-30 1983-11-30 情報伝送方式 Granted JPS60117939A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP58226027A JPS60117939A (ja) 1983-11-30 1983-11-30 情報伝送方式
US06/602,750 US4610012A (en) 1983-11-30 1984-04-23 Signal transmission system featuring bidirectional transmission of different signal types over a common transmission line connecting a central unit and a plurality of terminal units
GB08410748A GB2150793B (en) 1983-11-30 1984-04-26 Signal transmission system
SE8402299A SE457681B (sv) 1983-11-30 1984-04-26 Branddetekterings- och signaltransmissionssystem
DE19843415766 DE3415766A1 (de) 1983-11-30 1984-04-27 Signaluebertragungssystem
NO841728A NO163834C (no) 1983-11-30 1984-04-30 Brannvarslingsanlegg med prosessorstyrt sentral.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58226027A JPS60117939A (ja) 1983-11-30 1983-11-30 情報伝送方式

Publications (2)

Publication Number Publication Date
JPS60117939A JPS60117939A (ja) 1985-06-25
JPH0525211B2 true JPH0525211B2 (en:Method) 1993-04-12

Family

ID=16838632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58226027A Granted JPS60117939A (ja) 1983-11-30 1983-11-30 情報伝送方式

Country Status (6)

Country Link
US (1) US4610012A (en:Method)
JP (1) JPS60117939A (en:Method)
DE (1) DE3415766A1 (en:Method)
GB (1) GB2150793B (en:Method)
NO (1) NO163834C (en:Method)
SE (1) SE457681B (en:Method)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3650652T2 (de) * 1986-03-31 1998-02-19 Matsushita Electric Works Ltd Feueralarmsystem
DE3728793A1 (de) * 1987-08-28 1989-03-09 Thomson Brandt Gmbh Schaltungsanordnung zur auswertung von aus einem datenprozessor ausgegebene steuersignale
NO885320L (no) * 1987-11-30 1989-05-31 Hochiki Co Brann-alarm system.
JPH0817394B2 (ja) * 1989-09-14 1996-02-21 松下電工株式会社 時分割多重伝送システムの割込処理方式
US5048015A (en) * 1990-06-14 1991-09-10 At&T Bell Laboratories Interference source identification
US5155480A (en) * 1990-12-27 1992-10-13 Adc Telecommunications, Inc. Event reporting using a two-wire non-blocking bus structure
DE59108333D1 (de) * 1991-08-30 1996-12-12 Siemens Ag Verfahren zur Übertragung binärer Daten in einem Gefahrenmeldesystem
ATE137351T1 (de) * 1991-08-30 1996-05-15 Siemens Ag Verfahren zur übertragung binärer daten in einem gefahrenmeldesystem
DE4321292A1 (de) * 1993-06-26 1995-01-05 Bayerische Motoren Werke Ag Verfahren zur seriellen Übertragung von Meßsignalen mehrerer Meßparameter
US5790018A (en) * 1993-10-19 1998-08-04 Nohmi Bosai Ltd. Fire alarm system
JP3439507B2 (ja) * 1993-10-26 2003-08-25 能美防災株式会社 火災報知設備
JP3382370B2 (ja) * 1994-08-18 2003-03-04 能美防災株式会社 火災報知設備の伝送線路監視装置
GB2306055B (en) * 1995-10-06 2000-01-12 Roke Manor Research Improvements in or relating to antennas
FR2760274B1 (fr) * 1997-02-28 1999-05-07 Souchier Sa Dispositif de controle d'une ligne electrique alimentant notamment des verins electriques de systemes de securite incendie
US5990789A (en) * 1997-07-24 1999-11-23 Lsi Logic Corporation System and method for preventing smoke and fire damage to people and equipment in a clean room area from a fire
US6960987B2 (en) * 2001-09-21 2005-11-01 Hochiki Corporation Fire alarm system, fire sensor, fire receiver, and repeater
GB2397156A (en) * 2003-01-03 2004-07-14 Leeds Electronic Eng Ltd Alarm system with reduced wiring
US20090140868A1 (en) * 2005-12-29 2009-06-04 David Booth Smoke detection method and system
WO2014033575A1 (en) * 2012-08-29 2014-03-06 Koninklijke Philips N.V. Method and apparatus for multiplexed power and data supply via a two-wire data communication cable
US9704375B2 (en) * 2014-12-29 2017-07-11 Honeywell International Inc. Multi-channel public announcement and voice alarm system architecture to support addressable devices, wireless expansion and intercom

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1206845A (fr) * 1958-05-19 1960-02-11 Système de transmission de signaux de signalisation pour systèmes de télécommunication à impulsions
DE1928986B2 (de) * 1968-06-29 1978-09-21 N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) Übertragungssystem mit einer Sende- und einer Empfangsvorrichtung zur Übertragung von Informationen in einem vorgeschriebenen Frequenzband und dafür geeignete Sende- und Empfangsvorrichtungen
US3732374A (en) * 1970-12-31 1973-05-08 Ibm Communication system and method
US3870828A (en) * 1973-09-06 1975-03-11 Paradyne Corp Superimposed binary signal
US3943284A (en) * 1975-02-18 1976-03-09 Burroughs Corporation Digital data communication system featuring multi level asynchronous duplex operation
GB1556061A (en) * 1975-08-28 1979-11-21 Sumitomo Chemical Co Monitor and alarm apparatus in loop line system
US4206449A (en) * 1977-07-27 1980-06-03 American District Telegraph Company Multiple sensor intrusion alarm system
US4385287A (en) * 1979-12-07 1983-05-24 Securicor Granley Systems Limited Multiple alarm condition detection and signalling
JPS56158557A (en) * 1980-05-13 1981-12-07 Canon Inc Digital communication system
JPS56158558A (en) * 1980-05-13 1981-12-07 Canon Inc Digital communication system
JPS56158556A (en) * 1980-05-13 1981-12-07 Canon Inc Digital communication system
CA1178678A (en) * 1981-03-13 1984-11-27 John M. Wynne Bidirectional, interactive fire detection system

Also Published As

Publication number Publication date
GB8410748D0 (en) 1984-05-31
NO841728L (no) 1985-05-31
GB2150793B (en) 1987-02-11
NO163834B (no) 1990-04-17
DE3415766C2 (en:Method) 1988-05-11
US4610012A (en) 1986-09-02
GB2150793A (en) 1985-07-03
SE8402299L (sv) 1985-05-31
SE8402299D0 (sv) 1984-04-26
JPS60117939A (ja) 1985-06-25
NO163834C (no) 1990-07-25
SE457681B (sv) 1989-01-16
DE3415766A1 (de) 1985-06-05

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