Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 3 - Conversion of dc power input into dc power output
Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
10/1983
10/25/1983US4412156 Power supply for an ac discharge lamp
10/25/1983CA1155922A1 Switching regulator circuit
10/18/1983US4410936 Power converter
10/18/1983US4410934 DC Power supply for an air filter
10/18/1983CA1155503A1 High-efficiency low-distortion amplifier
10/12/1983EP0091133A1 Improved power supply circuit of switching regulator type
10/11/1983US4409647 Power converter using a resonant circuit
10/11/1983US4409473 Apparatus for detecting an object
10/11/1983CA1155174A1 Voltage regulator using saturable transformer
10/05/1983EP0090782A2 Flyback DC/DC converter with low ripple in the output capacitor
10/05/1983EP0090237A2 Electronic voltage control device
10/04/1983US4408267 DC-to-DC Switching converters
09/1983
09/21/1983EP0088769A1 Inductive load driver protection circuits having minimal power dissipation
09/20/1983US4405968 Control circuits
09/20/1983US4405964 Over voltage circuit for a switching regulator power supply
09/20/1983US4405893 Pulse width regulator
09/20/1983US4405868 Write/restore/erase signal generator for volatile/non-volatile memory system
09/20/1983CA1154088A1 Current sensing circuit for power supply with series control transistor
09/14/1983EP0088082A1 Converter with a plurality of regulated additional outputs.
09/13/1983US4404624 Power circuit for electronic timepiece
09/13/1983US4404623 Method and apparatus for balancing flux in a power transformer circuit
09/13/1983US4404622 Stabilized power supply
09/13/1983US4404497 Power supplying apparatus
09/13/1983US4404473 Direct current power controller
09/07/1983EP0087821A1 Arrangement for the generation of a pulsed welding current
09/07/1983EP0087593A2 Circuit arrangement for telecommunication installations, especially for telephone exchange installations, with direct voltage converters
09/06/1983US4403279 Vehicular plural voltage system
09/06/1983US4403269 Non-dissipative snubber circuit apparatus
09/06/1983US4403213 Power supply diagnostic system
08/1983
08/30/1983US4402039 Telephone line circuit
08/30/1983US4401902 High frequency switching circuit
08/30/1983US4401895 Supply for providing uninterruptible d-c power to a load
08/30/1983CA1153065A1 Power conserving blocking oscillator power supply circuit
08/30/1983CA1153064A1 Pulsed power supply system
08/24/1983EP0086521A1 Switched-mode self-oscillating supply voltage circuit
08/23/1983US4400767 Self start flyback power supply
08/23/1983US4400756 Inductive load driver protection circuits having minimal power dissipation
08/23/1983US4400662 Method and apparatus for energizing an electrostatic precipitator
08/23/1983CA1152576A1 Induction heating apparatus with alternating switching means
08/23/1983CA1152561A1 Converters
08/18/1983WO1983002860A1 Method of securely interrupting the electric power supply from a low-frequency or direct voltage source to a load, and apparatus for carrying out the method
08/18/1983WO1983002858A1 Optimal resetting of the transformer's core in single ended forward converters
08/17/1983EP0085812A1 Base drive circuit
08/16/1983US4399500 Multimode base drive circuit for power switching transistor
08/16/1983US4399499 Bi-lateral four quadrant power converter
08/16/1983US4399376 High frequency switching circuit
08/16/1983CA1152153A1 Uninterruptible power supply with load regulation of standby voltage source
08/10/1983EP0085219A2 A DC-DC converter provided with an AC link
08/10/1983EP0085112A1 Drive circuit for power switching transistor
08/09/1983US4398120 Direct current supply particularly for cathode ray tube
08/09/1983US4398100 Booster circuit
08/09/1983CA1151728A1 Semiconductor switching circuit with clamping and energy recovery features
08/09/1983CA1151721A1 Power supply for a high density discharge or fluorescent lamp
08/03/1983EP0084912A1 High-voltage supply for an X-ray generator
08/02/1983US4396986 Digital DC power supply with current and voltage measurement
08/02/1983US4396873 SCR Regulator control circuit
08/02/1983US4396870 Electronic flash device
08/02/1983CA1151234A1 Method of and means for controlling electrical motors
07/1983
07/27/1983EP0084245A1 Overcurrent limiter circuit for switching regulator power supplies
07/26/1983US4395675 Transformerless noninverting buck boost switching regulator
07/26/1983US4395647 Half-wave signal isolator with means for controlling flux in the coupling transformer
07/19/1983US4394724 Propulsion motor control apparatus and method
07/19/1983US4394719 Current control apparatus for a flyback capacitor charger
07/19/1983CA1150353A1 Dc-to-dc converter with reduced power loss during turn off
07/13/1983EP0083533A2 Regulated switching power supply device, especially for a visualisation apparatus, and apparatus comprising such a device
07/08/1983EP0074392A4 Power supply diagnostic system.
07/05/1983US4392172 Reactive snubber for inductive load clamp diodes
07/05/1983US4392103 Current sensing regulator
06/1983
06/29/1983EP0082362A1 Digital current regulation circuit
06/29/1983EP0082241A2 Flyback converter
06/28/1983US4390937 Self-starting transformer-coupled FET multivibrators
06/28/1983US4390831 Electrostatic precipitator control
06/28/1983US4390819 Television receiver ferroresonant power supply using a two-material magnetizable core arrangement
06/23/1983WO1983002203A1 Air cleaner
06/22/1983EP0082105A1 Intrinsic safety power supply with a controlled semiconductor disposed in the primary circuit of a transformer
06/22/1983EP0081880A2 Control circuit for keeping the working voltage of an electricity consumer at a constant level
06/22/1983EP0081593A1 Vehicular power source system
06/21/1983US4389704 Power source supply system
06/21/1983US4389702 Switching power supply circuit having constant output for a wide range of input voltage
06/21/1983US4389581 Pulse duty control system
06/15/1983EP0081302A1 Series resonant inverter with integrating feedback control loop
06/08/1983EP0052643A4 Converter with two or more independently controlled loads.
06/07/1983US4387418 Switching regulator
06/07/1983US4387399 Power supply switching-regulator particularly for television receivers
05/1983
05/31/1983US4386395 Power supply for electrostatic apparatus
05/31/1983US4386394 Single phase and three phase AC to DC converters
05/31/1983US4386311 Dual slope pulse width modulation regulator and control system
05/25/1983EP0079654A1 Circuit for converting an input d.c. voltage into an output d.c. voltage
05/24/1983US4385347 Power supply
05/18/1983EP0079130A1 Reactive snubber for inductive load clamp diodes
05/17/1983US4384321 Unity power factor switching regulator
05/17/1983US4384320 Push-pull switching mode inverter-type power supply
05/17/1983US4384259 Electrical power supplies
05/17/1983US4384214 Non-interrupting power supplies for loads of less than 500 watts
05/11/1983EP0078722A1 Electronic power supply device taking from the network a sine-shaped current in phase with the voltage
05/10/1983US4383294 Voltage doubler with delayed loading
05/10/1983US4383293 Isolated DC current sense circuit
05/10/1983US4383292 Single-ended switching converter
05/04/1983EP0077958A2 DC-DC converter
05/03/1983US4382194 Boosting circuit
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