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1. WO2000026729 - ALARM FOR ELECTRONIC EQUIPMENT

Publication Number WO/2000/026729
Publication Date 11.05.2000
International Application No. PCT/ZA1999/000113
International Filing Date 28.10.1999
IPC
G08B 13/14 2006.01
GPHYSICS
08SIGNALLING
BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
13Burglar, theft or intruder alarms
02Mechanical actuation
14by lifting or attempted removal of hand-portable articles
CPC
G08B 13/1409
GPHYSICS
08SIGNALLING
BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
13Burglar, theft or intruder alarms
02Mechanical actuation
14by lifting or attempted removal of hand-portable articles
1409for removal detection of electrical appliances by detecting their physical disconnection from an electrical system, e.g. using a switch incorporated in the plug connector
Applicants
  • VIRANYI, David, Paul [ZA]/[ZA]
Inventors
  • VIRANYI, David, Paul
Agents
  • BACON, Brian
Priority Data
98/953529.10.1998ZA
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ALARM FOR ELECTRONIC EQUIPMENT
(FR) ALARME POUR DISPOSITIF ELECTRONIQUE
Abstract
(EN)
An alarm system is provided for detecting unauthorized movement of a portable computer. The alarm system comprises a receiver unit (10) the casing (14.1) of which contains a radio frequency receiver (26), a rolling key decoder circuit (28), a movement sensing switch (30) and a microprocessor (32). An audible alarm (34) is also provided. The unit (10) is fixed to the computer's housing. A remote radio frequency transmitter unit is provided for switching the unit (10) between its various modes.
(FR)
L'invention concerne un système d'alarme permettant de détecter un mouvement non autorisé d'ordinateur portable. Ce système comprend une unité de réception (10) dont le boîtier (14.1) comprend un récepteur H.F. (26), un circuit de décodage à clavette pivotante (28), un commutateur de détection de mouvement (30) et un microprocesseur (32). L'invention concerne également une alarme audible (34). L'unité (10) est fixée au logement de l'ordinateur. L'invention concerne également un émetteur H.F. à distance permettant de faire commuter l'unité (10) entre ses différents modes.
Also published as
Latest bibliographic data on file with the International Bureau