Patents for H02J 1 - Circuit arrangements for dc mains or dc distribution networks (12,155)
03/1984
03/20/1984CA1164048A1 Monitoring device for the capacitor battery of a d-c filter circuit
03/06/1984US4435761 Data processing apparatus capable of transferring serial data with small power consumption
02/1984
02/29/1984EP0101643A2 Constant current sources for field contact inputs
02/14/1984CA1162245A1 Selective calling receiver including a voltage converter with low power consumption
01/1984
01/24/1984CA1161104A1 Personnel protection circuit
01/10/1984US4425613 Forced load sharing circuit for inverter power supply
12/1983
12/20/1983US4421029 Supply circuit for a load which is to be continually supplied within a projectile
12/13/1983US4419917 Power saving device for an electronic musical instrument
12/06/1983US4419660 Electric filter equipment
12/06/1983US4419591 Multiterminal DC power transmission system
10/1983
10/12/1983EP0091281A2 Circuit arrangement for detecting restoration of a momentary interruption
10/11/1983US4409665 Turn-off-processor between keystrokes
10/05/1983EP0090412A2 Current-generating device, particularly for preserving volatile random access memories
10/05/1983EP0090330A2 Arithmetic operation apparatus using solar cells
09/1983
09/21/1983EP0089048A2 Circuit for detecting and memorising defects in power supply systems
09/20/1983US4405976 Audio tracking pulse-width modulated power supply
09/20/1983CA1153983A1 Process for storing and producing power by storage of alkali metal
09/13/1983US4404624 Power circuit for electronic timepiece
09/07/1983EP0087640A2 Control device for a converter
09/06/1983US4403213 Power supply diagnostic system
08/1983
08/03/1983EP0084651A1 Power conversion equipment
07/1983
07/26/1983CA1150785A1 Mos voltage divider
07/08/1983EP0074392A4 Power supply diagnostic system.
06/1983
06/22/1983EP0081593A1 Vehicular power source system
05/1983
05/31/1983US4386394 Single phase and three phase AC to DC converters
05/24/1983US4385243 Automatic reset circuit
05/10/1983US4383183 Control arrangement for a uniform load distribution of at least two power supply devices connected in parallel at the output side
05/04/1983EP0078084A2 Circuit arrangement with a switchable smoothing element
04/1983
04/12/1983CA1144600A1 Gate control circuit for thyristor converter
03/1983
03/23/1983EP0074392A1 Power supply diagnostic system.
03/08/1983CA1142577A1 D.c. power transmission line
03/01/1983US4375662 Method of and apparatus for enabling output power of solar panel to be maximized
02/1983
02/22/1983CA1141821A1 Device for protection in the case of d.c. supply-voltage drop
12/1982
12/23/1982WO1982004487A1 Power source for automotive electronic equipment
11/1982
11/09/1982US4358809 Personal protection circuit
10/1982
10/27/1982EP0063356A1 Time switch arrangement
10/26/1982US4356403 Masterless power supply arrangement
10/26/1982CA1134440A1 System for ripple and noise reduction in a multiple power supply
10/26/1982CA1134432A1 Battery charge regulator
09/1982
09/28/1982CA1132655A1 Dc transmission control system
09/16/1982WO1982003137A1 Power supply diagnostic system
09/14/1982CA1131700A1 Power supply providing constant power output
09/10/1982EP0037818A4 Current source having saturation protection.
09/07/1982CA1131295A1 Hvdc power transmission system with metallic return conductor
09/01/1982EP0059089A1 Power supply apparatus
08/1982
08/17/1982US4345166 Current source having saturation protection
08/17/1982CA1129951A1 Efficient, high power battery module; d.c. transformers and multi-terminal d.c. power networks utilizing same
08/03/1982US4342923 D.C. Power transmission line with lightning protection wires
07/1982
07/28/1982EP0056659A1 Converter control apparatus for parallel connected multi-terminal direct current system
07/27/1982CA1128486A1 Helicopter deicer control system
07/20/1982US4340973 Selective calling receiver including a voltage converter with low power consumption
07/20/1982US4340849 Ripple-compensated voltage regulator, particularly for automotive use
07/06/1982US4338658 Master-slave high current D.C. power supply
07/06/1982CA1127236A1 Control method and system for a high voltage direct current system
06/1982
06/01/1982US4333136 Solar powered automatic turn-on control (SPA-TOC) unit and method
05/1982
05/18/1982US4330815 DC Transmission control system
05/12/1982EP0016762B1 Device for smoothing an output voltage of an electric generator
04/1982
04/06/1982CA1121452A1 Dc power transmission control
03/1982
03/30/1982US4322766 Monitoring device for the capacitor battery of a d-c filter circuit
03/30/1982US4322634 Device for protection in the case of d.c. supply-voltage drop
03/17/1982EP0047501A1 Multiterminal DC power transmission system
03/16/1982US4320445 Gate control circuit for thyristor converter
03/16/1982US4320305 Method and voltage source for producing a smoothed voltage from three-phase current
03/09/1982CA1119667A1 High voltage semiconductor converter protective apparatus
02/1982
02/24/1982EP0046408A1 Transient energy control and suppression circuit
01/1982
01/26/1982US4313155 High input voltage DC to DC power converter
01/26/1982CA1117183A1 High voltage direct current transmission
01/13/1982EP0043516A2 Electric filtration device
01/05/1982US4309748 DC/DC Stabilized voltage converter unit
12/1981
12/29/1981US4308575 Power source system
12/22/1981US4307428 Circuit breaker apparatus for high voltage direct currents
12/22/1981CA1114901A1 Load sharing system
11/1981
11/03/1981US4298811 MOS Voltage divider
10/1981
10/21/1981EP0037818A1 Current source having saturation protection.
10/13/1981US4295210 Power supply system for monolithic cells
09/1981
09/29/1981US4292502 Helicopter deicer control system
09/01/1981US4287465 Apparatus for regulating the charging of a storage battery
08/1981
08/06/1981WO1981002226A1 Direct-current electric line
08/04/1981US4282568 Electric power converting apparatus
08/04/1981CA1106443A1 Dc power transmission
07/1981
07/23/1981WO1981002077A1 Dc to dc voltage conversion apparatus
06/1981
06/30/1981US4276590 Current sharing modular power system
06/30/1981CA1104206A1 Method and system of controlling high voltage direct current power transmission plants
06/16/1981US4274043 Efficient, high power battery module; D.C. transformers and multi-terminal D.C. power networks utilizing same
06/03/1981EP0029744A1 Solar powered automatic turn-on control unit
06/03/1981EP0029743A1 Method of and apparatus for enabling output power of solar panel to be maximised
05/1981
05/26/1981US4270165 Controller for d.c. current supplied by a plurality of parallel power supplies
04/1981
04/28/1981US4264951 DC Power transmission control
04/28/1981CA1100200A1 Circuit for compensating harmonic currents in an electric consumer
04/21/1981US4263517 Control method and system for an high voltage direct current system
04/08/1981EP0026356A1 Circuit arrangement, especially for multiple-pole fault current protection switches
04/08/1981EP0026355A1 Circuit arrangement for multiple-pole fault-current protection switches
04/02/1981WO1981000924A1 Current source having saturation protection
03/1981
03/31/1981US4259713 High voltage direct current transmission
03/31/1981US4259686 Circuit for producing a polarity-reversed voltage with opposite polarity to that of a power supply voltage
01/1981
01/28/1981EP0022992A1 Surveillance apparatus for a battery of condensators in a direct current filtering circuit
01/13/1981US4245294 Power supply providing constant power output
12/1980
12/23/1980US4241395 Non-dissipative DC active filter and transformer
11/1980
11/04/1980US4232238 Rectifier assembly for AC generators for use with vehicles
10/1980
10/28/1980US4230981 Current supply installation with voltage-controlled current supply devices connected in parallel on the output side