Power Supplies Patents 1988-1990
Brought to you by
SMPS Power Supplies
|
1990 - USA power supply related patents
|
Number
|
Title
|
Inventor
|
Assignee
|
Comments
|
| 4,891,746 |
Method of optimizing the
efficiency of a |
Bowman et al. |
AT&T Bell |
|
| 4,894,567 |
Active snubber
circuit |
Lenk |
|
|
| 4,910,482 |
AC line filter |
Takagai et al. |
|
|
| 4,912,622 |
Gate driver for
a full-bridge lossless switching device |
Steigerwald |
|
|
| 4,914,561 |
Dual transformer device for power
converters |
Rice |
|
|
| 4,922,365 |
Overvoltage
suppressing circuit for semiconductor device |
Mori |
Mitsubishi |
|
| 4,922,401 |
Inverter circuit utilizing the
reverse voltage capabilities of GTO thyristors |
Lipman |
|
|
| 4,922,404 |
Method and
apparatus for gating of synchronous rectifier |
Ludwig |
|
|
| 4,926,104 |
Adjustable speed AC drive system
control for operation in pulse width … |
King et al. |
|
|
| 4,929,882 |
Apparatus for
converting DC to DC having non-feed back variable
hysteretic … |
Szepsi |
|
|
| 4,930,059 |
Switched-mode DC-to-DC power
converter |
Rutt |
|
|
| 4,930,061 |
Method and
network for enhancing power factor of off-line
switching circuit |
Slack et al. |
AT&T Bell |
|
| 4,931,716 |
Constant frequency zero-voltage-switching
multi-resonant |
Jovanovic et al. |
|
|
| 4,931,920 |
Circuit and
method for regulating output voltage of a switch
mode power … |
Barker |
|
|
| 4,933,624 |
Electric power supply with
controllable voltage boost |
Kumar |
|
|
| 4,937,470 |
Driver circuit
for power transistors |
Zeiler |
|
|
| 4,937,725 |
Circuit for eliminating snubber
current noise in the sense circuit of an H-bridge
… |
Dhyanchand |
|
|
| 4,939,633 |
Inverter power
supply system |
Rhodes |
|
|
| 4,940,929 |
AC to DC converter with unity
power factor |
Williams |
|
|
| 4,942,509 |
Control
arrangement for a switch mode power supply |
Shires |
|
|
| 4,947,102 |
Feedback loop gain compensation
for a switched resistor of an H-bridge inverter |
Ekstrand |
|
|
| 4,950,974 |
Circuit for
piloting an inductive load, particularly for
controlling the electro-… |
Pagano |
|
|
| 4,952,819 |
Circuit for limiting current peaks
at turn-on of a switching transistor |
Herrmann |
|
|
| 4,953,068 |
Full bridge
power converter with multiple zero voltage
resonant transition switching |
Henze |
Unisys |
|
| 4,956,626 |
Inductor transformer cooling
apparatus |
Hoppe |
|
|
| 4,959,764 |
DC/DC converter
switching at zero voltage |
Bassett |
|
|
| 4,961,129 |
Current controlled active flywheel
type neutral point clamped converter |
Shekhawat |
|
|
| 4,965,507 |
Battery charger
for detecting the current rate of charge for
rechargeable batteries |
Smilanich et al.
|
|
|
| 4,967,333 |
Stabilized power supply with
reduced ripple factor |
Callier |
|
|
| 4,975,821 |
High frequency
switched mode resonant commutation power supply |
Lethellier |
|
|
| 4,977,493 |
Efficient snubber for rectifier
circuits |
Smith |
Astec |
|
1989 - USA power supply related patents
|
Number
|
Title
|
Inventor
|
Assignee
|
Comments
|
| 4,800,323
|
Single-ended
self-oscillating dc-dc converter for intermitently
energized load … |
Sikora
|
|
|
| 4,801,983
|
Schottky
diode formed on MOSFET drain |
Ueno
et al. |
|
|
| 4,802,078
|
Active
snubbing circuit for switching mode power supply |
Hill |
Power
Pac |
|
| 4,805,079 |
Switched voltage
converter |
Van Buul |
Philips |
|
| 4,806,834
|
Electrical
circuit for inductance conductors, transformers and
inductors |
Koenig
|
|
|
| 4,806,842 |
Soft start for five pin
switching regulators |
Bittner |
NS |
|
| 4,809,148
|
Full-fluxed,
single-ended DC converter |
Barn |
|
|
| 4,809,151 |
Switching regulator
having parallel diode isolated primary windings and
plural … |
Ota |
Fanuc |
|
| 4,811,187
|
DC-DC
converter with saturable reactor reset circuit |
Nakajima
et al. |
|
|
| 4,811,188 |
Series inverter with
shunted transformer for capacitor charging |
Bees |
|
|
| 4,814,962
|
Zero
voltage switching half bridge resonant converter |
Magalhaes
et al. |
AT&T
|
|
| 4,814,966 |
Shunt switched resistor
regulator with diode snubber |
Ekstrand |
|
|
| 4,816,982
|
AC to
DC power converter with integrated line current control
for improving … |
Severinsky
|
Viteq
|
|
| 4,816,985 |
Apparatus for
controlling an alternating current power supply |
Tanahashi |
|
|
| 4,820,965
|
Control
circuit for battery charger |
Siemer
|
|
|
| 4,821,163 |
Start-up circuit for an
integrated-magnetic power |
Bloom |
|
|
| 4,823,249
|
High-frequency
resonant power converter |
Garcia
|
|
|
| 4,825,144 |
Dual channel current
mode switching regulator |
Alberkrack |
|
|
| 4,825,348
|
Resonant
power converter with current sharing among multiple
transformers |
Steigerwald
et al. |
GE |
|
| 4,829,232 |
Nonlinear resonant
switch and converter |
Erickson |
|
|
| 4,835,497
|
AC
line filter |
Takagai
et al. |
|
|
| 4,835,580 |
Schottky barrier diode
and method |
Havemann et al. |
|
|
| 4,835,668
|
Power
supply with two output voltages |
Palm |
|
|
| 4,837,452 |
Off-line dc power
supply |
Peterson |
|
|
| 4,841,220
|
Dc-to-Dc
converters using multi-resonant series converter |
Tabisz
et al. |
|
|
| 4,843,299 |
Universal battery
charging system and a method |
Hutchings |
|
|
| 4,845,605
|
High-frequency
DC-DC power converter with zero-voltage switching of
single … |
Steigerwald
|
GE |
|
| 4,847,744 |
Voltage converter
apparatus |
Araki |
|
|
| 4,853,837
|
Synchronous
switching power supply with |
Gulczynski
|
|
|
| 4,855,888 |
Constant frequency
resonant power converter with zero voltage switching |
Henze et al. |
Unisys |
|
| 4,857,822
|
Zero-voltage-switched
multi-resonant converters including the buck and forward
… |
Tabisz
et al. |
|
|
| 4,858,052 |
Method and means for
protecting converter circuits |
McDonnal |
|
|
| 4,859,921
|
Electronic
control circuits, electronically commutated motor
systems, switching … |
Archer
|
|
|
| 4,860,184 |
Half-bridge zero-voltage
switched multi-resonant converters |
Tabisz et al. |
VTIP |
|
| 4,860,189
|
Full
bridge power converter circuit |
Hitchcock
|
|
|
| 4,862,342 |
DC to AC inverter with
neutral having a resonant circuit |
Dhyanchand |
|
|
| 4,864,478
|
Integrated-magnetics
power converter |
Bloom
|
|
|
| 4,864,482 |
Conversion circuit for
limiting |
Quazi et al. |
|
|
| 4,864,483 |
Static power conversion
method and apparatus having essentially zero switching
… |
Divan |
Wisconsin Alumni |
|
| 4,866,367
|
Multi-loop
control for quasi-resonant converters |
Ridley
et al. |
|
|
| 4,870,554 |
Active snubber forward
converter |
Smith |
Power Systems |
|
| 4,871,959
|
Solar
trickle charger for lead acid batteries |
Gali |
|
|
| 4,875,148 |
Control for producing a
low magnitude voltage at the output of a PWM inverter |
Roe et al. |
|
|
| 4,876,635
|
Series
resonant inverter with lossless snubber-resetting
components |
Park
et al. |
|
|
| 4,882,532 |
Active overvoltage
control for inductive load driving |
Garibaldi |
|
|
| 4,882,663
|
MOSFET
flyback converter |
Nilssen
|
|
|
| 4,884,180 |
Regulated direct-current
converter |
Hoffmann |
Wandel & … |
|
| 4,884,183
|
Dual-mode
controlled pulse width modulator |
Sable
|
|
|
| 4,884,186 |
Power supply with
reduced switching losses |
Small |
|
|
| 4,887,198
|
Electronic
large current switch for a single power circuit |
Lee |
|
|
1988 - USA power supply related patents
|
Number
|
Title
|
Inventor
|
Assignee
|
Comments
|
| 4,720,667 |
Zero-current switching quasi-resonant
converters operating in a full-wave mode |
Lee
et al. |
|
|
| 4,720,668 |
Zero-voltage switching
quasi-resonant converters |
Lee et al. |
|
|
| 4,725,739
|
AC
branch power distribution filter |
McCartney
|
|
|
| 4,727,306 |
Portable battery
charger |
Misak et al. |
|
|
| 4,727,308
|
FET
power converter with reduced switching loss |
Huljak
|
|
|
| 4,730,243 |
EMI reduction circuit |
Glennon |
|
|
| 4,734,839
|
Source
volt-ampere/load volt-ampere differential |
Barthold
|
|
|
| 4,739,461 |
Power supply device for
providing positive and negative DC voltages on the …
|
Komatsu |
|
|
| 4,739,462
|
Power
supply with noise immune current |
Farnsworth
|
|
|
| 4,745,537 |
Low dissipation power
converter |
Cheung |
|
|
| 4,748,605
|
Bias-magnetic-field
generating apparatus in magneto-optical information
… |
Sakai
et al. |
|
|
| 4,750,102 |
Power converting
apparatus |
Yamano et al. |
|
|
| 4,755,922
|
DC to
DC converter for ethernet transceiver |
Puvogel
|
|
|
| 4,759,057 |
Telephone modular
distributing frame |
De Luca |
|
|
| 4,760,512
|
Circuit
for reducing transistor stress and resetting the |
Loftus
|
|
|
| 4,761,623 |
Broadband RFI power
line filter |
Schneider |
|
|
| 4,761,725
|
Digitally
controlled A.C. to D.C. power conditioner |
Henze
|
|
|
| 4,761,727 |
Current sensing circuit
for use with decoupled half bridge converter |
Kammiller |
Reliance |
|
| 4,768,002
|
Power
filter resonant frequency modulation network |
Cronin
|
|
|
| 4,772,810 |
Apparatus for non-dissipative
switching transistor snubber |
Felps |
HP |
|
| 4,774,649
|
Integrated
magnetic resonant power |
Archer
|
|
|
| 4,775,821 |
Variable input voltage
DC to DC converter with switching transistor drive …
|
Sikora |
|
|
| 4,777,578
|
Integrated
current sensor torque control for ac motor drives |
Jahns
|
|
|
| 4,783,727 |
DC/DC converter |
Neumann |
Eckhardt |
|
| 4,785,387
|
Resonant
converters with secondary-side resonance |
Lee
et al. |
|
|
| 4,785,388 |
Gate pulse generator
for thyristor converter |
Takahashi |
|
|
| 4,796,173
|
Low
input voltage resonant power converter with high-voltage
A.C. link |
Steigerwald
|
GE |
|
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SMPS Power Supplies Inc.
All rights reserved.
|