H - Electricity – 01 – H
Patent
H - Electricity
01
H
H01H 50/00 (2006.01) H01H 51/00 (2006.01) H04M 11/00 (2006.01) H04M 19/00 (2006.01)
Patent
CA 2463419
A noise-free low power consumption wide voltage range DC and AC contactor and remote telephone control system is disclosed. A movable iron core is connected to a linkage. The other end of the linkage is connected to a micro-switch. A normally closed contact of the micro-switch is connected in series to a magnetic coil and is connected in parallel to an IC and a retaining coil. A lower end of the movable iron coil is in the extent of the coil so that the magnetic coil attracts the movable iron core to move downwards to conduct the contactor and meanwhile, the magnetic coil will disconnect. The retaining coil is used to replace the magnetic coil to attract the movable iron core. Since the power consumption of the retaining coil is small and thus the contactor is noise free, lower power consumption, and wide voltage range. Three voltage stages are selectable. The connector can be used with a telephone, a telephone wire, a voice system, a keyboard and a software program so as to form a remote telephone control system with a simple structure, lower cost and be a multi-functional device thereby enabling it to be used widely.
Lin Tzo-Ing
Mcfadden Fincham
LandOfFree
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