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Priority to FR7427456ApriorityCriticalpatent/FR2281612A2/fr
Publication of FR2281612A2publicationCriticalpatent/FR2281612A2/fr
Application grantedgrantedCritical
Publication of FR2281612B2publicationCriticalpatent/FR2281612B2/fr
G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
G08B26/006—Alarm systems in which substations are interrogated in succession by a central station with substations connected to an individual line, e.g. star configuration
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Business, Economics & Management
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Emergency Management
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Physics & Mathematics
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General Physics & Mathematics
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Burglar Alarm Systems
(AREA)
FR7427456A1974-08-071974-08-07Installation de telesurveillance pour la detection a distance de signaux d'alarme
GrantedFR2281612A2
(fr)