Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
04/1987
04/10/1987EP0154626A4 Uninterruptible power system.
04/08/1987EP0217298A2 Self-commutated power converter
03/1987
03/25/1987EP0215348A2 Redundant power supply system
03/24/1987US4652770 Power source device for a load with a stand-by power supply system
03/17/1987US4651072 Variable frequency power source operating system
03/17/1987US4651020 Redundant power supply system
03/17/1987US4651019 Dual fueled thermoelectric generator
03/03/1987US4647787 Backup battery power supply for microprocessor based telephones
02/1987
02/24/1987US4645943 Space-saving back-up power supply
02/24/1987US4645940 Interrupt-free, unregulated power supply
02/17/1987US4644440 Redundant power supply arrangement with surge protection
02/17/1987US4644238 Airflow control apparatus
02/10/1987US4642475 Uninterruptible power supply
02/10/1987US4642474 Elevator rescue apparatus during stoppage of power supply
02/03/1987US4641042 Power supply system and a control method thereof
02/03/1987US4640389 System for controlling a motor
01/1987
01/29/1987WO1987000702A1 Stand-by power supply
01/28/1987EP0209944A1 Static device for regulating energy exchange between generator or receptor systems
01/22/1987DE3525061A1 Charging network
01/20/1987US4638176 Uninterruptible power supply
01/20/1987US4638175 Electric power distribution and load transfer system
01/14/1987CN86104766A Controller for fuel cell power system
01/06/1987US4634888 Uninterruptible power supply
12/1986
12/23/1986US4631471 Inductor apparatus for application of ferroresonant regulators
12/17/1986EP0205014A2 Monitoring device
12/16/1986US4629964 Battery power source
12/09/1986US4628244 Electrical indicating circuit
12/04/1986WO1986007210A1 Anti micro-breaking device
11/1986
11/26/1986EP0202459A2 Circuit arrangement operating at least one floorescent lamp
11/18/1986CA1214210A1 Ac uninterruptible power system
11/05/1986EP0200656A1 Non-interruptible alternating-current supply with a power of 1,500 VA or lower
11/04/1986CA1213641A1 Standby power supply
10/1986
10/28/1986CA1213320A1 Device for generating alternating current from direct current
10/22/1986CN86101648A Uninterruptible power supply with isolated bypass winding
10/14/1986US4617473 CMOS backup power switching circuit
10/14/1986CA1212752A1 Phase synchronization and control circuit
10/14/1986CA1212751A1 High frequency inverter
10/01/1986EP0196004A2 Inductor apparatus for application to ferroresonant regulators
09/1986
09/30/1986US4614877 Apparatus for a redundant power supply
09/24/1986EP0195551A2 Improved AC motor-generator
09/10/1986CN86101421A Elevator rescue apparatus during stoppage of power supply
09/03/1986EP0193039A1 Method and device for uninterrupted power supply
09/02/1986US4609829 Apparatus for assisting in the connection and disconnection of a board with an energized circuit
09/02/1986CA1210810A1 Supply for providing uninterruptible d-c power to a load
08/1986
08/27/1986EP0058202B1 Power suplly circuit for electronic safety ski bindings
08/20/1986EP0191579A2 Emergency lighting system
08/14/1986WO1986004709A1 Emergency lighting supervisory system
08/13/1986CN85100969A Protector for power supply interruption and step out of a.c.electric machine
08/05/1986US4604530 Power supply equipment backup system for interruption of service
07/1986
07/23/1986CN85107714A Current source conversion apparatus having auto-cutoff devices
07/16/1986EP0187369A2 Power supply system for an electronic apparatus having memory
07/08/1986CA1207424A1 Processes and devices for providing a load with an electric ac supply, without discontinuity of the ac signal
07/02/1986EP0186601A2 Dual fueled thermoelectric generator
06/1986
06/17/1986US4595872 Computer-attached uninterruptable DC power supply
06/04/1986EP0183597A1 Protection circuit against electric power supply cut-off
05/1986
05/27/1986CA1205162A1 Electric motor damper drive with backup power pack
05/20/1986US4590387 Transfer switch
05/13/1986US4588900 Inverter control system
04/1986
04/15/1986US4583004 Current monitoring circuit for static switch of uninterruptable power system
04/10/1986CN85108395A Fuel supplying apparatus
04/08/1986US4581571 Electrical power disconnect system
04/01/1986US4580248 Electronic apparatus with memory backup system
04/01/1986CA1202711A1 Uninterruptible ac power supply
03/1986
03/26/1986EP0175099A1 Device for uninterruptible voltage commutation
03/11/1986US4575640 Power circuit control apparatus for primary and auxiliary loads
03/04/1986CA1201521A1 Electromechanically controlled automatic transfer switch and bypass switch assembly
02/1986
02/25/1986CA1201165A1 Uninterruptible power system
02/19/1986EP0171629A1 Autonomy testing device for an emergency lighting unit
02/19/1986CN85200436U Multiple purpose lamp for emergency lighting in case of power cut.
02/18/1986US4571531 Automatic protective circuit system for emergency lights
01/1986
01/29/1986EP0169756A1 Stabilized electrical-power supply
01/21/1986US4565960 Power supply switching circuit
01/14/1986US4564767 Uninterruptible switching power supply system
01/07/1986US4563628 Supervision system for monitoring the condition of a battery and a series-connected fuse
01/07/1986US4563624 Variable speed refrigeration compressor
01/02/1986EP0165938A1 Method and device for supplying in emergency conditions a system from the mains
12/1985
12/31/1985US4562357 Uninterruptible power supply and a starting method
12/27/1985EP0165898A2 Device for compensating AC network power failure
12/27/1985EP0165843A1 Reversible current converter and uninterruptory power supply comprising the same
12/24/1985US4560887 Standby power supply
12/24/1985US4560886 Alternating current power source
12/17/1985US4559456 Battery powered electric appliance
12/03/1985US4556802 Uninterruptible ac power supply
12/03/1985CA1197635A1 Elevator control system
11/1985
11/27/1985EP0162563A2 Back-up power supply system
11/13/1985EP0160787A1 Variable frequency power unit controlling system
11/12/1985US4553081 Portable battery powered system
11/06/1985EP0160163A1 Variable frequency power source operating system
10/1985
10/16/1985EP0158007A1 Redundant current supply
10/16/1985EP0157855A1 Uninterruptible power supply and line conditioner
09/1985
09/24/1985US4543522 Regulator with a low drop-out voltage
09/18/1985EP0154626A1 Uninterruptible power system.
09/03/1985US4539487 Power supply system
08/1985
08/28/1985EP0152458A1 Inverter for uninterruptible power supply
08/27/1985US4538058 Power supply system of a device designed to cooperate with a removable electronic medium such as a card and device equipped with such a system
08/07/1985EP0150853A2 Electric power supply device
08/06/1985US4533865 Circuit arrangement for identifying and storing power line faults
07/1985
07/24/1985EP0058720B1 Stand-by energy source, in particular an electrical supply source
07/09/1985US4528459 Battery backup power switch
06/1985
06/25/1985US4525661 Stand-by electrical supply source