Owner Weinberger, P.

Inventors Weinberger, Pedro, J.

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2002251799

PCT Pub. Number WO2002/063648

Priority 09/767,067 22.01.01 US

Filing date 22 January 2002

Wipo publication date 19 August 2002

Acceptance publication date 18 August 2005

H01H 035/00 Switches operated by change of a physical condition

H01H 083/18 Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current

H02H 003/00 Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection

H02H 003/16 Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - responsive to fault current to earth, frame or mass

H02H 003/26 Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - responsive to difference between voltages or between currents

H02H 003/32 Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors

H02H 005/00 Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection

H02H 005/04 Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection

H02H 007/00 Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions

H02H 009/00 Emergency protective circuit arrangements for limiting excess current or voltage without disconnection

H02H 009/02 Emergency protective circuit arrangements for limiting excess current or voltage without disconnection - responsive to excess current

H02H 009/08 Emergency protective circuit arrangements for limiting excess current or voltage without disconnection

G01R 031/00 Arrangements for testing electric properties

G01R 031/02 Arrangements for testing electric properties - Testing of electric apparatus, lines, or components for short-circuits, discontinuities, leakage, or incorrect line connection

G08B 005/00 Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied

G08B 021/00 Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for

H01H 035/14 Switches operated by change of a physical condition - Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch

H01H 037/00 Thermally-actuated switches

H01H 047/00 Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current

H01H 047/24 Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current

H01H 047/26 Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current

H01H 083/00 Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current