Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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02/25/1986 | US4573098 In a power supply system |
02/25/1986 | US4572992 Device for regulating ac current circuit |
02/19/1986 | CN85201037U Zinc-oxide over-voltaqe protective device for motor rotor |
02/18/1986 | US4571656 Electrical circuit for protection against surge overvoltage of transients |
02/11/1986 | CA1200588A1 Device for indicating the positions of printed circuit cards relative to their connectors |
02/10/1986 | CN85100581A Arrester capable of blocking the carrier wave |
02/04/1986 | CA1200276A1 Overvoltage protection device |
01/28/1986 | US4567538 Alternating current limiting apparatus |
01/15/1986 | EP0167734A1 Protection circuit for a thysistor |
01/08/1986 | EP0167172A2 Overcurrent protection circuit |
01/08/1986 | EP0166932A1 Protective circuit arrangement |
01/07/1986 | US4563733 Startup circuit for a switched power supply |
01/07/1986 | US4563720 Hybrid AC line transient suppressor |
01/02/1986 | EP0166581A2 Cmos circuit overvoltage protection |
12/27/1985 | EP0165351A1 In-rush protected multi-cycle control |
12/27/1985 | EP0165347A1 Protection circuit for a power distribution system |
12/18/1985 | EP0077360B1 Subscriber telephone set provided with protection devices against overvoltages |
12/17/1985 | US4559579 Device for the protection of an electronic component and/or circuit against the disturbances (voltages) generated by an external electromagnetic field |
12/11/1985 | EP0164321A1 Device for limiting an earth fault current in heavy-current systems |
12/11/1985 | EP0164193A1 Hybrid ac line transient suppressor |
12/04/1985 | EP0163349A2 Feed circuit for an electromagnetic contactor |
12/04/1985 | EP0162965A1 Circuit arrangement for the damping of switching-on and switching-off oscillations in a switch gear installation |
12/03/1985 | US4556927 Intrinsically safe signal coupler |
11/27/1985 | EP0162228A1 Interactive overvoltage protection device |
11/27/1985 | EP0162147A1 Filter component for communication and control cables to be introduced into shielded enclosures |
11/21/1985 | EP0161628A2 Switchgear |
11/19/1985 | CA1196967A1 Electrosurgical generator safety apparatus |
11/12/1985 | US4553189 Surge protection device |
11/12/1985 | CA1196678A1 Surge arrester with a bypass gap |
11/05/1985 | US4551633 Voltage compensating system |
10/30/1985 | EP0159557A2 Overvoltage arrester with a separating device and blinking signalisation |
10/15/1985 | CA1195432A1 Protection circuit for integrated circuit devices |
10/08/1985 | US4546402 Hermetically sealed gas tube surge arrester |
10/08/1985 | US4546401 Two-pole overcurrent protection device |
10/02/1985 | EP0156693A1 Protective device against electrical perturbations between a terminal and a telephone line |
10/01/1985 | US4545006 Electronic chopper circuit and a method of operation |
10/01/1985 | US4544984 Coaxial lightning arresting structure |
10/01/1985 | US4544983 Overvoltage protection device |
10/01/1985 | CA1194539A1 Electric switching surge protection |
09/25/1985 | EP0155627A1 Shunting device |
09/24/1985 | CA1194105A1 Open circuit current transformer protection circuit |
09/10/1985 | US4541030 Protective electric house-wiring switch |
09/04/1985 | EP0153492A1 Protection circuit for apparatus controlled by electrical signals |
09/03/1985 | US4539617 AC Power line transient suppressing circuit |
08/27/1985 | US4538201 Surge protector |
08/21/1985 | EP0152127A2 Overvoltage peaks supressor device |
08/15/1985 | WO1985003602A1 Transient protection unit |
08/14/1985 | EP0151559A1 Transient protection unit |
08/07/1985 | EP0150911A2 Battery pack with electronic means for limiting current flow for powering an electrical device |
08/06/1985 | US4533970 Series current limiter |
08/06/1985 | CA1191560A1 Short-protected buffer |
07/24/1985 | EP0148911A1 Telecommunication system surge protection device |
07/23/1985 | CA1190962A1 Voltage-limiting circuit |
07/17/1985 | EP0148370A1 Fail-safe circuit for electronic circuit in automotive vehicle |
07/09/1985 | US4528608 Electronic current interrupter included in a DC distribution system |
06/26/1985 | EP0145774A1 Electrical circuit for switching a multi-phase a.c. supply to a load |
06/18/1985 | US4523429 Cold start surge current limiting system for a hydrazine thruster augmentation heater |
06/18/1985 | CA1189136A1 Active voltage divider |
06/11/1985 | US4523252 Device for eliminating static electricity |
06/11/1985 | US4523249 Alternating current limiting apparatus |
06/05/1985 | EP0143473A1 Electronic contacts and associated devices |
05/29/1985 | EP0143038A1 Device for the protection of electronic components in a matrix against short-circuiting |
05/28/1985 | US4520419 Polarity and overload protective circuit for electric consumers |
05/28/1985 | CA1187929A1 Protective module for telephone logic circuits |
05/22/1985 | EP0142128A1 Circuit arrangement for the drainage of overvoltages |
05/22/1985 | EP0141819A1 Short-protected buffer circuit |
05/14/1985 | US4517618 Protection circuitry for high voltage drivers |
05/14/1985 | CA1187137A1 Emission controlled current limiter for use in electric power transmission and distribution |
05/08/1985 | EP0140209A1 Tapped transformer with a non solidly earthened neutral point |
05/02/1985 | EP0139103A2 Overvoltage protection circuit for slic |
04/30/1985 | US4513617 Storage tank gauging measuring apparatus |
04/23/1985 | US4513341 Overvoltage protection circuit for power supply |
04/23/1985 | CA1186016A1 Surge protection for signal transmission systems |
04/17/1985 | EP0137396A2 Circuit for protecting an electronic circuit connected to a four-wire side of a repeater hybrid |
04/09/1985 | US4510553 Electromechanical assembly for aligning, discharging, and sequentially engaging conductors of a P.C. board with a backplane |
04/09/1985 | CA1185314A1 Connector for electromagnetic impulse suppression |
03/28/1985 | WO1985001404A1 Electronic contacts and associated devices |
03/27/1985 | EP0135440A1 Protective device for low-voltage line feeding elements of high-voltage generators for electrostatic coating, situated in an area containing inflammable mixtures |
03/26/1985 | US4507697 Device for indicating the position of printed circuit cards relative to their connectors |
03/26/1985 | CA1184594A1 Device for the protection of a transmission line against steep fronted atmospheric disturbances |
02/13/1985 | EP0067839B1 Voltage controlled transient protection unit |
01/31/1985 | WO1985000473A1 Telecommunication system surge protection device |
01/29/1985 | CA1181820A1 Microwave oven energization circuit and components therefor |
01/23/1985 | EP0131896A1 Industrial or domestic overvoltage protective device |
01/15/1985 | US4494163 Electric switching surge protection |
01/15/1985 | US4494064 Direct current inrush limiting circuit |
01/09/1985 | EP0130851A1 Protection apparatus against overvoltages in electrical low-voltage installations or networks |
01/03/1985 | WO1985000079A1 Electrical circuit for switching a multi-phase a.c. supply to a load |
01/02/1985 | EP0130002A2 Electronic grounding system for electrical distribution systems |
01/02/1985 | EP0129965A2 Battery power pack |
01/02/1985 | CA1180373A Line protector and related termination arrangement |
01/01/1985 | US4491816 Transducer for alternating current limiter |
12/27/1984 | EP0129035A1 Varistor fuse element |
12/25/1984 | US4490769 Solid-state circuit breaker with current limiting characteristic using a superconducting coil |
12/19/1984 | EP0128344A1 Arrangement of surge arresters for a transformer |
12/11/1984 | US4488199 Protection circuit for capacitive ballast |
12/11/1984 | US4488058 Snubber circuit for use in an uninterruptible power supply |
12/11/1984 | CA1179430A1 Solid state ballast |
12/11/1984 | CA1179403A1 Protection device for high intensity gaseous discharge lamp starting circuit |
11/27/1984 | US4485422 In an electronic power system |