IT1096074B - Impianto di segnalazione a elementi di segnalazione autoalimentati - Google Patents

Impianto di segnalazione a elementi di segnalazione autoalimentati

Info

Publication number
IT1096074B
IT1096074B IT23024/78A IT2302478A IT1096074B IT 1096074 B IT1096074 B IT 1096074B IT 23024/78 A IT23024/78 A IT 23024/78A IT 2302478 A IT2302478 A IT 2302478A IT 1096074 B IT1096074 B IT 1096074B
Authority
IT
Italy
Prior art keywords
signaling
self
powered
elements
signaling system
Prior art date
Application number
IT23024/78A
Other languages
English (en)
Italian (it)
Other versions
IT7823024A0 (it
Original Assignee
Klaxon Sa
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 Klaxon Sa filed Critical Klaxon Sa
Publication of IT7823024A0 publication Critical patent/IT7823024A0/it
Application granted granted Critical
Publication of IT1096074B publication Critical patent/IT1096074B/it

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
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
  • Amplifiers (AREA)
  • Emergency Protection Circuit Devices (AREA)
IT23024/78A 1977-05-04 1978-05-04 Impianto di segnalazione a elementi di segnalazione autoalimentati IT1096074B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7713793A FR2389949B1 (enExample) 1977-05-04 1977-05-04

Publications (2)

Publication Number Publication Date
IT7823024A0 IT7823024A0 (it) 1978-05-04
IT1096074B true IT1096074B (it) 1985-08-17

Family

ID=9190428

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23024/78A IT1096074B (it) 1977-05-04 1978-05-04 Impianto di segnalazione a elementi di segnalazione autoalimentati

Country Status (5)

Country Link
US (1) US4234873A (enExample)
DE (1) DE2819349C2 (enExample)
FR (1) FR2389949B1 (enExample)
GB (1) GB1602409A (enExample)
IT (1) IT1096074B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893680A (en) * 1988-10-17 1990-01-16 The United States Of America As Represented By The Secretary Of The Army Fire suppression activator
CN104299399B (zh) * 2014-09-23 2017-09-26 张沙圣 一种有线自供电数字通信系统及其方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1084059A (en) * 1912-04-09 1914-01-13 George O Knapp Signaling system.
CH305093A (fr) * 1947-10-11 1955-02-15 Standfast Dyers & Printers Lim Appareil pour traiter des matières textiles.
US3060416A (en) * 1960-03-18 1962-10-23 Honeywell Regulator Co Supervised signal system
US3135951A (en) * 1962-05-31 1964-06-02 Sylvania Electric Prod Secure communication line
US3461443A (en) * 1966-11-07 1969-08-12 Alfred W Vasel Smoke detector with means indicating the failure of the light source
US3594751A (en) * 1968-02-29 1971-07-20 Brk Electronics Detection of products of combustion
DE1944260A1 (de) * 1969-09-01 1971-03-11 Heider Gmbh Schaltungsanordnung fuer Klingelanlagen
GB1351748A (en) * 1970-07-16 1974-05-01 Bardic Systems Ltd Electric alarm systems
US3764971A (en) * 1971-08-19 1973-10-09 G Brobeck Electric alarm device
DE2452864B2 (de) * 1974-11-07 1976-11-04 Herbert Bössinger Tresorbau, 7111 Langenbeutingen Objektueberwachungsanlage

Also Published As

Publication number Publication date
DE2819349C2 (de) 1983-03-24
IT7823024A0 (it) 1978-05-04
FR2389949A1 (enExample) 1978-12-01
FR2389949B1 (enExample) 1981-06-12
GB1602409A (en) 1981-11-11
DE2819349A1 (de) 1978-11-16
US4234873A (en) 1980-11-18

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