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.)
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Chubb Electronics Ltd
Original Assignee
Chubb Electronics Ltd
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Filing date
Publication date
Application filed by Chubb Electronics LtdfiledCriticalChubb Electronics Ltd
Priority to ES491234ApriorityCriticalpatent/ES491234A0/es
Publication of ES8103860A3publicationCriticalpatent/ES8103860A3/es
Publication of ES491234A0publicationCriticalpatent/ES491234A0/es
Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles
(AREA)
Abstract
DISPOSITIVO DE TRATAMIENTO DE SEÑALES DE ALARMA. UNA UNIDAD PERCEPTORA (9), SITUADA, POR EJEMPLO, EN UNA CAJA FUERTE, GENERA LA SEÑAL DE ALARMA QUE SE PRODUCE DENTRO DE UN RECINTO (1). ESTA SEÑAL SE TRANSMITE A TRAVES E UN HAZ DE FIBRAS OPTICAS (4), HASTA UN RECINTO (3) EN EL QUE SE SITUA UNA UNIDAD DE CONTROL (2); ESTA HACE ACTUAR UN EQUIPO DE ALARMA (36). LA UNIDAD PERCEPTORA (9) SE ALIMENTA DESDE LA UNIDAD DE CONTROL (2) A TRAVES DE UNOS HILOS (5, 6). EL EQUIPO VIGILA EN TODO MOMENTO LA INTENSIDAD DE LA LUZ QUE LE LLEGA PARA QUE NO SE PUEDAN CORTAR LAS FIBRAS OPTICAS (4) E INTRODUCIR EN ELLAS SEÑALES AJENAS AL SISTEMA. A
ES491234A1980-05-071980-05-07Un dispositivo de alarma de seguridad
GrantedES491234A0
(es)
Device for separating two light signals emitted by two sources of different wavelengths and transmitted by the same optical fibre, and receiver comprising such a device