Patent assignee · US · COMPANY

Linfinity Microelectronics

29Patents
0Active
29Granted
37Portfolio score

Filing activity: Jun 22, 1992 → Sep 4, 2001

Most-cited patents

PatentTitleAreaCited byStatus
US5615093A Current synchronous zero voltage switching resonant topology Emerging Cross-Sectional Technologies 224 Expired
US5930121A Direct drive backlight system Electricity 147 Expired
US5923129A Apparatus and method for starting a fluorescent lamp Emerging Cross-Sectional Technologies 122 Expired
US6198234A Dimmable backlight system Electricity 109 Expired
US6522111B2 Linear voltage regulator using adaptive biasing Physics 88 Expired
US5563501A Low voltage dropout circuit with compensating capacitance circuitry Physics 75 Expired
US6307765A Method and apparatus for controlling minimum brightness of a fluorescent lamp Emerging Cross-Sectional Technologies 72 Expired
US5926031A High speed digital bus termination Electricity 71 Expired
US6522558B2 Single mode buck/boost regulating charge pump Electricity 64 Expired
US6469922B2 Method and apparatus for controlling minimum brightness of a flourescent lamp Emerging Cross-Sectional Technologies 62 Expired
US6556067B2 Charge pump regulator with load current control Electricity 49 Expired
US6292378A Method and apparatus for programmable current sharing Electricity 47 Expired
US5528192A Bi-mode circuit for driving an output load Electricity 44 Expired
US5757173A Semi-soft switching and precedent switching in synchronous power supply controllers Emerging Cross-Sectional Technologies 39 Expired
US5552697A Low voltage dropout circuit with compensating capacitance circuitry Physics 39 Expired
US5608312A Source and sink voltage regulator for terminators Physics 38 Expired
US6356063B1 Switching regulator with transient recovery circuit Electricity 36 Expired
US5982231A Multiple channel class D audio amplifier Electricity 34 Expired
US6285571A Method and apparatus for an efficient multiphase switching regulator Electricity 28 Expired
US5514977A Pulse detection and conditioning circuit Physics 27 Expired
US5471130A Power supply controller having low startup current Physics 27 Expired
US5635852A Controllable actice terminator for a computer bus Emerging Cross-Sectional Technologies 23 Expired
US5327028A Voltage reference circuit with breakpoint compensation Electricity 22 Expired
US6229388A Multiple channel class D audio amplifier Electricity 19 Expired
US6356151B1 Multiple channel class D audio amplifier Electricity 18 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.