Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
---|
03/10/1981 | CA1097404A1 Method and apparatus for operating an internally timed switching regulator |
03/10/1981 | CA1097402A1 Start circuit for a p.w.m. converter |
03/10/1981 | CA1097401A1 Switching regulator |
03/04/1981 | EP0024300A1 Process for pulse-width control of a direct current two-way control element and circuitry for the application of the process |
03/03/1981 | US4254459 Direct current to direct current converter |
03/03/1981 | US4254443 Input surge protection for converter circuit |
03/03/1981 | US4254362 Power factor compensating electroluminescent lamp DC/AC inverter |
02/24/1981 | US4253137 Switched-mode power supply |
02/24/1981 | US4253136 Switching regulated power supply apparatus including a resonant circuit |
02/24/1981 | US4253055 Adjustable switching current regulator |
02/17/1981 | US4251857 Loss compensation regulation for an inverter power supply |
02/17/1981 | US4251847 DC Converter |
02/17/1981 | US4251753 Power supply circuit for strobo unit |
02/11/1981 | EP0023623A1 Method for load current detection in a direct current two-way control and circuit arrangement for carrying out the method |
02/11/1981 | EP0023622A1 Method for pulse width control of a direct current two-way control element and circuitry for carrying out the method |
02/10/1981 | US4250541 Push-push resonant power inverter |
02/10/1981 | US4250414 Voltage generator circuitry |
01/27/1981 | CA1094635A1 Master-slave voltage regultor employing pulse width modulation |
01/22/1981 | WO1981000178A1 Power conserving type power supply circuit |
01/21/1981 | EP0022725A1 Electromechanic transducers |
01/20/1981 | US4246635 Power-supply device which boosts and stabilizes the voltage |
01/20/1981 | US4246522 Power converter with programmable commutation |
01/14/1981 | EP0022380A1 Switched-mode power supply combined with a television receiver's line deflection circuit and controlled by variable phase-shifting |
01/13/1981 | US4245292 Method of digital control of m-phase thyristor-pulse d-c converters and apparatus for effecting same |
01/13/1981 | US4245289 Power supply monitor |
01/13/1981 | US4245288 Elimination of current spikes in buck power converters |
01/13/1981 | US4245286 Buck/boost regulator |
01/13/1981 | US4245285 Booster-inverter power supply circuit |
01/13/1981 | CA1093638A1 Dc-ac inverter |
01/07/1981 | EP0021867A1 Supply means comprising a chopper, regulated against variations of input voltage and output power, particularly for a television receiver |
01/07/1981 | EP0020978A1 Switching device and its use in a switched power supply |
12/30/1980 | US4242629 DC Switching voltage regulator with extended input voltage capability |
12/30/1980 | CA1092689A1 Marine radar system |
12/30/1980 | CA1092650A1 Current regulator for electron microscope power supply |
12/23/1980 | US4241278 Indicator device with vacuum fluorescence elements |
12/16/1980 | US4240134 Switching regulator |
12/16/1980 | US4239988 Turn off method for power transistor switch |
12/16/1980 | US4239373 Full wave rectification apparatus for operation of DC corotrons |
12/11/1980 | WO1980002779A1 A high repetition rate power pulse generator |
12/11/1980 | WO1980002778A1 A dc to dc converter adjustable dynamically to battery condition |
12/09/1980 | US4238695 Comparator circuit having high speed, high current switching capability |
12/09/1980 | US4238690 AC-DC switching regulator to supply uninterruptible power |
12/02/1980 | US4237405 Method and apparatus for conserving energy |
11/26/1980 | EP0019096A1 DC-DC converter with current and voltage regulation |
11/25/1980 | US4236199 Regulated high voltage power supply |
11/25/1980 | US4236196 Switching regulator |
11/25/1980 | US4236187 Power supply voltage stabilizer |
11/25/1980 | CA1090418A1 Capacitor charging circuit |
11/18/1980 | US4234249 Tracking power supply for AC and DC corotrons |
11/13/1980 | WO1980002487A1 Voltage-to-frequency-converter |
11/12/1980 | EP0018598A1 Circuit for limiting the switching current in a series circuit consisting of a current transformer, a semi-conductor device, a protection inductance and an overload-sensitive cut-out |
11/11/1980 | US4233659 Defibrillator charging current regulator |
11/11/1980 | US4233558 Regulated dual DC power supply |
11/11/1980 | US4233557 Switching power supply |
11/11/1980 | CA1089530A1 Transit vehicle chopper control apparatus and method |
10/29/1980 | EP0018343A1 Current chopper for regulating the supply of a load |
10/28/1980 | US4230981 Current supply installation with voltage-controlled current supply devices connected in parallel on the output side |
10/28/1980 | US4230970 Method and apparatus for saving energy |
10/28/1980 | US4230955 Method of and apparatus for eliminating priming and carrier sweep-out losses in SCR switching circuits and the like |
10/28/1980 | CA1088685A1 Telephone subscriber line circuit |
10/14/1980 | US4228493 Power control circuit and a switching mode power supply employing this circuit |
10/01/1980 | EP0016538A1 DC-DC converter including a high-frequency inverter, and battery charger incorporating same |
10/01/1980 | EP0016537A1 Regulated power supply with loss compensation |
09/30/1980 | US4225913 Self-referencing power converter |
09/30/1980 | US4225788 X-ray diagnostic generator comprising an inverter feeding the high voltage transformer |
09/23/1980 | US4224659 Stabilized power supply circuit |
09/18/1980 | WO1980001972A1 Write/restore/erase signal generator for volatile/non-volatile memory system |
09/16/1980 | US4223378 Switching regulator |
09/16/1980 | CA1085917A1 Power supply |
09/09/1980 | US4222100 Power transition circuit |
09/09/1980 | US4222003 Power supply with current limiting |
09/03/1980 | EP0014833A1 Circuit for controlling the output voltage of a switching converter |
09/02/1980 | US4220987 Converter drive circuit |
09/02/1980 | CA1084994A1 Method and apparatus for regulating electrical power delivered from an alternating current network |
09/02/1980 | CA1084993A1 Starting circuit for a pulse width modulated d.c. to d.c. converter |
08/21/1980 | WO1980001745A1 Semiconductor circuit for voltage conversion |
08/19/1980 | US4218730 Transistor switching apparatus for use in the control of a D.C. load |
08/19/1980 | US4218728 Polyphase hybrid rectifying bridge with commutation fault protection |
08/19/1980 | US4218647 Voltage regulator with current limiting circuitry |
08/19/1980 | CA1084112A1 Pulse width modulated voltage regulator- converter/power converter having push-push regulator- converter means |
08/19/1980 | CA1084107A1 Operating point regulation for a corona discharge device |
08/12/1980 | US4217634 Voltage and current sources |
08/12/1980 | US4217633 Solar cell system having alternating current output |
08/12/1980 | US4217632 Regulated power supply system including saturable reactor means |
08/12/1980 | CA1083668A1 Compensated base drive circuit to regulate saturated transistor current gain |
08/12/1980 | CA1083662A1 Solenoid driver circuit |
07/29/1980 | US4215393 Apparatus for numerical control of thyristor inverter |
07/29/1980 | US4215392 Inverter power supply |
07/29/1980 | US4215391 Power conversion device |
07/29/1980 | US4215296 Television deflection circuit |
07/29/1980 | US4215279 Apparatus for controlling the operation of power transistors in a switching mode |
07/29/1980 | CA1082772A1 Switching power supply |
07/29/1980 | CA1082764A1 Electromechanical chopper for speed control of battery powered devices |
07/23/1980 | EP0013332A1 Chopper circuit |
07/22/1980 | US4214174 Voltage multiplier employing clock gated transistor chain |
07/15/1980 | US4213084 Variable leakage transformer |
07/15/1980 | US4213082 Voltage regulator |
07/15/1980 | US4213049 X-Ray diagnostic generator comprising an inverter feeding the high voltage transformer |
07/15/1980 | US4212157 Solid state clock |
07/15/1980 | CA1081780A1 Switching regulator control utilizing digital comparison techniques to pulse width modulate conduction through a switching device |