IT1118856B - Sistema di rivelazione a trasduttoro d'intrusione multipli - Google Patents
Sistema di rivelazione a trasduttoro d'intrusione multipliInfo
- Publication number
- IT1118856B IT1118856B IT49238/79A IT4923879A IT1118856B IT 1118856 B IT1118856 B IT 1118856B IT 49238/79 A IT49238/79 A IT 49238/79A IT 4923879 A IT4923879 A IT 4923879A IT 1118856 B IT1118856 B IT 1118856B
- Authority
- IT
- Italy
- Prior art keywords
- detection system
- transducer detection
- multiple intrusion
- intrusion
- transducer
- Prior art date
Links
Classifications
-
- 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
- G08B13/00—Burglar, theft or intruder alarms
-
- 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
- G08B25/014—Alarm signalling to a central station with two-way communication, e.g. with signalling back
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/910,534 US4321592A (en) | 1978-05-30 | 1978-05-30 | Multiple sensor intrusion detection system |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7949238A0 IT7949238A0 (it) | 1979-05-30 |
IT1118856B true IT1118856B (it) | 1986-03-03 |
Family
ID=25428948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49238/79A IT1118856B (it) | 1978-05-30 | 1979-05-30 | Sistema di rivelazione a trasduttoro d'intrusione multipli |
Country Status (7)
Country | Link |
---|---|
US (1) | US4321592A (it) |
AU (1) | AU525038B2 (it) |
CA (1) | CA1119276A (it) |
DE (1) | DE2922008A1 (it) |
FR (1) | FR2427655A1 (it) |
GB (1) | GB2022301B (it) |
IT (1) | IT1118856B (it) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1178678A (en) * | 1981-03-13 | 1984-11-27 | John M. Wynne | Bidirectional, interactive fire detection system |
EP0063876A1 (en) * | 1981-04-16 | 1982-11-03 | EMI Limited | Alarm system and a sensor module therefor |
US4594580A (en) * | 1984-12-12 | 1986-06-10 | Wems/International Controls, Inc. | Expanded-capacity wireless security system with dual-range environmental monitoring and control |
US4755792A (en) * | 1985-06-13 | 1988-07-05 | Black & Decker Inc. | Security control system |
SE8503863L (sv) * | 1985-08-19 | 1987-02-20 | Per Axel Uhlin | Overvakningsanleggning |
GB2179481B (en) * | 1985-08-20 | 1989-08-02 | Rentokil Ltd | Pest detection apparatus and method |
US4725818A (en) * | 1985-09-13 | 1988-02-16 | Simplex Time Recorder Co. | Walk through test system |
US5239459A (en) * | 1990-02-05 | 1993-08-24 | General Research Corporation | Automated assessment processor for physical security system |
FR2665560B1 (fr) * | 1990-07-31 | 1993-05-07 | Aillaud Marie Laure | Application de la transmission d'ordres et de la reception de donnees a la protection d'objets en exposition ou de volumes. |
JPH0755648B2 (ja) * | 1991-12-05 | 1995-06-14 | タカタ株式会社 | 幼児用拘束保護シート |
US5517429A (en) * | 1992-05-08 | 1996-05-14 | Harrison; Dana C. | Intelligent area monitoring system |
US5576972A (en) * | 1992-05-08 | 1996-11-19 | Harrison; Dana C. | Intelligent area monitoring system |
DE4412653C2 (de) * | 1994-04-13 | 1997-01-09 | Schmersal K A Gmbh & Co | Überwachungseinrichtung |
US5623172A (en) * | 1995-07-03 | 1997-04-22 | Leviton Manufacturing Co., Inc. | Two wire PIR occupancy sensor utilizing a rechargeable energy storage device |
US6346880B1 (en) * | 1999-12-20 | 2002-02-12 | Motorola, Inc. | Circuit and method for controlling an alarm |
US6740058B2 (en) * | 2001-06-08 | 2004-05-25 | Wisconsin Alumni Research Foundation | Surgical tool with integrated pressure and flow sensors |
US6736735B2 (en) * | 2001-11-30 | 2004-05-18 | Michael J. Galanis | Sports swing training apparatus |
US20040106092A1 (en) * | 2001-11-30 | 2004-06-03 | Galanis Michael J. | Golf training aid apparatus |
DE60210738T2 (de) * | 2002-01-16 | 2007-04-12 | Leeds Electronic Eng. Ltd. | Diebstahlschutzalarm mit reduzierter Verdrahtung |
US6734794B2 (en) * | 2002-02-27 | 2004-05-11 | Ag Communication Systems Corporation | Alarm control algorithm for multi-sourced alarms |
US6534972B1 (en) | 2002-03-15 | 2003-03-18 | Ford Global Technologies, Inc. | Magneto-resistive position sensor and variable reluctance controller interface circuit |
US8733249B2 (en) * | 2007-02-20 | 2014-05-27 | Goss International Americas, Inc. | Real-time print product status |
US8081074B2 (en) * | 2007-09-11 | 2011-12-20 | Marshall Jack L | Security system for protecting construction site assets |
US8710983B2 (en) | 2012-05-07 | 2014-04-29 | Integrated Security Corporation | Intelligent sensor network |
US10130367B2 (en) * | 2015-02-26 | 2018-11-20 | Covidien Lp | Surgical apparatus |
CN114973615B (zh) * | 2022-05-12 | 2024-05-31 | 北京软通智慧科技有限公司 | 一种突发事件的监测方法、装置、电子设备和存储介质 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3735396A (en) * | 1971-08-10 | 1973-05-22 | Signatron | Alarm signalling network |
US3716834A (en) * | 1971-10-07 | 1973-02-13 | H Adams | Data transmission system with immunity to circuit faults |
US3713142A (en) * | 1972-01-17 | 1973-01-23 | Signatron | Alarm system |
US3927404A (en) * | 1973-10-18 | 1975-12-16 | Standard Electric Time Corp | Time division multiple access communication system for status monitoring |
US4044351A (en) * | 1974-06-24 | 1977-08-23 | Walter Kidde & Company, Inc. | System monitor with innate line security ability |
SE391250B (sv) * | 1974-11-26 | 1977-02-07 | Saab Scania Ab | Bevakningsanleggning, innefattande en centralenhet, somvia en kommunikationskanal er forbunden med ett flertal lokala terminalenheter |
US4093946A (en) * | 1976-03-01 | 1978-06-06 | The Laitram Corporation | Two-wire, multiple-transducer communications system |
US4117479A (en) * | 1976-04-16 | 1978-09-26 | American District Telegraph Company | Multi-mode intrusion alarm system |
US4101875A (en) * | 1976-11-15 | 1978-07-18 | Contronic Controls Limited | Multi-satellite intrusion alarm control system |
DE2702562A1 (de) * | 1977-01-22 | 1978-07-27 | Heinz Laass | Elektrische signalanlage zur abfrage und meldung der bereitschaft von personen |
-
1978
- 1978-05-30 US US05/910,534 patent/US4321592A/en not_active Expired - Lifetime
-
1979
- 1979-05-24 AU AU47312/79A patent/AU525038B2/en not_active Ceased
- 1979-05-29 FR FR7913567A patent/FR2427655A1/fr active Granted
- 1979-05-29 GB GB7918590A patent/GB2022301B/en not_active Expired
- 1979-05-29 CA CA000328586A patent/CA1119276A/en not_active Expired
- 1979-05-30 IT IT49238/79A patent/IT1118856B/it active
- 1979-05-30 DE DE19792922008 patent/DE2922008A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US4321592A (en) | 1982-03-23 |
AU525038B2 (en) | 1982-10-14 |
DE2922008A1 (de) | 1980-01-24 |
IT7949238A0 (it) | 1979-05-30 |
FR2427655B1 (it) | 1984-12-14 |
CA1119276A (en) | 1982-03-02 |
GB2022301A (en) | 1979-12-12 |
FR2427655A1 (fr) | 1979-12-28 |
AU4731279A (en) | 1979-12-06 |
GB2022301B (en) | 1983-01-19 |
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