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| Number | Title | Issue Date |
| 7292835 | Wireless and wired cable modem applications of universal frequency translation technology Frequency translation and applications of same are described herein, including cable modem applications. Such applications include, but are not limited to, frequency down-conversion, frequency up-conversion, enhanced signal reception, unified down-conversion and fil... | 11/06/2007 |
| 7053503 | Cross current compensation control system for a power system Across current compensation control system includes a cross current detection compensator having an input terminal to which a cross connection line that cross-connects the secondary sides of auxiliary current transformers (CTs) are connected, and an output terminal ... | 05/30/2006 |
| 7002263 | Elimination of recirculation current loss in load-shared switching mode power supplies In master-slave current-tracking load-share systems using switching power supplies, a method and apparatus for preventing current recirculation at light-load and no-load operational conditions. The slave power supply is run in a discontinuous mode when load current ... | 02/21/2006 |
| 6329726 | Proportional distribution of power from a plurality of power sources A power distributing mechanism includes a regulating circuit disposed between at least two circuit portions. The regulating circuit includes bifilar-wound windings electrically coupled to the circuit portions. In a first embodiment, the two circuit portio... | 12/11/2001 |
| 6157555 | Current limiter responsive to changing parallel power supply capacity A system and method for adjusting the maximum allowable current limit for each of a plurality of parallel power supplies within an N+1 power supply system in response to dynamic variations in the total supply current capacity of the N+1 power supply syste... | 12/05/2000 |
| 5680037 | High accuracy current mirror A current mirror uses an operational amplifier to control the collector voltage of two mirroring transistors during operation. The operational amplifier is coupled to the collector of each mirroring transistor such that a differential in voltage between t... | 10/21/1997 |
| 5146121 | Signal delay apparatus employing a phase locked loop An apparatus is provided for delaying digital data signals by fixed amounts within an integrated circuit. A delay lock loop includes an adaptive delay line, a phase detector and an integrator. The integrator provides control signals cp, cn... | 09/08/1992 |
| 4897555 | Current split circuit having a digital to analog converter A current split circuit that includes a multiplying digital to analog converter (DAC) and a controller. The controller establishes a first and second terminal of the DAC at the same potential so that a digital input to the DAC determines the ratio by whic... | 01/30/1990 |
| 4290004 | Voltage regulator circuit A voltage regulator circuit of the type including a transistor having a base, an emitter representing a voltage output terminal and a collector representing a voltage input terminal, and a zener diode connected in series with the base to represent a commo... | 09/15/1981 |
| 3938025 | DC to DC converter for producing two individually controlled and stabilized DC-voltages A DC to DC converter which gives two individually controlled and stabilized DC voltages includes an oscillator of the push-pull type and two rectifiers which are connected to the output of the oscillator. The transformer of the oscillator has a primary wi... | 02/10/1976 |
