REDUNDANT POWER SYSTEM, PROTECTION CIRCUIT THEREOF, AND ERROR DETECTION METHOD THEREOFA power redundant system and its protection circuit is configured to have a second circuit unit receiving electricity from a first circuit unit through a power loop. An isolation switch is connected i…DRIVE·Apr 2·2 min readFollowH02H3/16ACBEL POLYTECH INC.
IN-VEHICLE PROTECTION APPARATUSA circuit is protected from sudden potential fluctuations that occur in a power ground. An in-vehicle protection apparatus includes a first Zener diode portion, a second Zener diode portion, a diode p…DRIVE·Sep 15·1 min readFollowH02H3/16Sumitomo Wiring Systems, Ltd.
VOLTAGE REGULATORA squib driver circuit for deployment of a deployable restraint in a vehicle. The safety restraint may have a minimum firing voltage. The voltage regulator may regulate the input voltage to be the min…DRIVE·Nov 4·1 min readFollowH02H3/16VEONEER US, INC.
GROUND FAULT CONTROL FOR MULTIPLE GROUND PATHSIn some examples, an ECU includes a microcontroller, a first load switch, a first amplifier, a first control circuit, and an internal ground connected to an external ground. The first load switch is o…DRIVE·Oct 7·1 min readFollowH02H3/16Hitachi Astemo Americas, Inc.
GROUND FAULT DETECTION CIRCUIT, ABNORMALITY DETECTION CIRCUIT, LIGHT EMITTING DEVICE, VEHICLEA light emitting device includes a series connection unit constituted of N light emitting elements, a light emitting element driving circuit having an output terminal connected to an anode of the seri…DRIVE·Nov 16·1 min readFollowH02H3/16Rohm Co., Ltd.
DC FEEDING PROTECTION RELAY DEVICE AND FAILURE DETECTION METHODAn input means inputs, at intervals of a unit time, a current which is supplied from a substation. A first calculation means calculates a current variation amount per the unit time, based on the curre…DRIVE·Oct 1·1 min readFollowH02H3/16TOSHIBA KK [JP]
Method and apparatus for supplying power to a connection deviceThe present invention concern a method and an apparatus for stabilizing power supply to a connection device, such as an ONU. The power is supplied via wires, such as telephone wires, using DC voltage …DRIVE·Apr 18·2 min readFollowH02H3/16ERICSSON TELEFON AB L M [SE]
DC ground fault detector and system-interconnected generation device using the DC ground fault detectorA temperature sensor (50) detects temperature on a zero-phase current transformer or ambient temperature in the vicinity of the zero-phase current transformer. A microcomputer (17) corrects the curren…DRIVE·Apr 14·1 min readFollowH02H3/16SANYO ELECTRIC CO [JP]
