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Class Information
Number: 307/60
Name: Electrical transmission or interconnection systems > Plural supply circuits or sources > Load current control > Constant load or current
Description: Subject matter relating to means for keeping constant the load or the current drawn by one of the sources.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7276812 |
Method and device for non-contact energy transmission |
Oct. 2, 2007 |
| 7023185 |
Power supply for controlled parallel charging and discharging of batteries |
Apr. 4, 2006 |
| 6930408 |
Circuit for the generation of electric power of opposite polarity in a pulsating power supply |
Aug. 16, 2005 |
| 6849966 |
Power supply for controlled parallel charging and discharging of batteries |
Feb. 1, 2005 |
| 6727602 |
Power supply for controlled parallel charging and discharging of batteries |
Apr. 27, 2004 |
| 6605880 |
Energy system providing continual electric power using wind generated electricity coupled with fuel driven electrical generators |
Aug. 12, 2003 |
| 6400102 |
Non-linear light-emitting load current control |
Jun. 4, 2002 |
| 6285139 |
Non-linear light-emitting load current control |
Sep. 4, 2001 |
| 6166455 |
Load current sharing and cascaded power supply modules |
Dec. 26, 2000 |
| 6157555 |
Current limiter responsive to changing parallel power supply capacity |
Dec. 5, 2000 |
| 6150803 |
Dual input, single output power supply |
Nov. 21, 2000 |
| 6112157 |
Constant-current regulator with redundant bus control |
Aug. 29, 2000 |
| 6091284 |
Current control circuit |
Jul. 18, 2000 |
| 6054778 |
Electronic steering wheel technique for passing information with a programmable current source and detector |
Apr. 25, 2000 |
| 5932935 |
Energy storage flywheel emergency power source and methods |
Aug. 3, 1999 |
| 5900724 |
Method of splitting a power supply |
May. 4, 1999 |
| 5878082 |
Data communication device for implementing accurate data communication |
Mar. 2, 1999 |
| 5814903 |
Programmable gain for switched power control |
Sep. 29, 1998 |
| 5576581 |
Door control system and release mechanism |
Nov. 19, 1996 |
| 5553294 |
Portable computer powered by rechargeable batteries |
Sep. 3, 1996 |
| 5245218 |
Electric circuit for stabilizing the transfer impedance of an integrated circuit |
Sep. 14, 1993 |
| 5200643 |
Parallel electric power supplies with current sharing and redundancy |
Apr. 6, 1993 |
| 5148042 |
Small electronic device capable of switching batteries by releasing a battery locking mechanism |
Sep. 15, 1992 |
| 5057719 |
Passively forced current sharing among transistors |
Oct. 15, 1991 |
| 4866295 |
Power supply control systems |
Sep. 12, 1989 |
| 4788452 |
Switchable DC power supply with increased efficiency for use in large wattage amplifiers |
Nov. 29, 1988 |
| 4748340 |
Load share system |
May. 31, 1988 |
| 4618779 |
System for parallel power supplies |
Oct. 21, 1986 |
| 4567541 |
Electric power source for use in electrostatic precipitator |
Jan. 28, 1986 |
| 4539486 |
Single-core inductor generator for welding producing multiple, mutually-independent outputs |
Sep. 3, 1985 |
| 4476399 |
Stabilized power source parallel operation system |
Oct. 9, 1984 |
| 4356403 |
Masterless power supply arrangement |
Oct. 26, 1982 |
| 4144463 |
Stabilized DC power supply devices for providing a plurality of DC power outputs which are selectively consumed |
Mar. 13, 1979 |
| 4129788 |
High efficiency DC to DC converter |
Dec. 12, 1978 |
| 4074146 |
Load sharing modular power supply system |
Feb. 14, 1978 |
| 4068148 |
Constant current driving circuit |
Jan. 10, 1978 |
| 3943446 |
Power and modulation control system |
Mar. 9, 1976 |
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