Patent assignee · CN · COMPANY

Shenzhen STS Microelectronics Co. Ltd

26Patents
14Active
26Granted
44Portfolio score

Filing activity: Aug 21, 2000 → Oct 20, 2008 · 12 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6344770B1 Bandgap reference circuit with a pre-regulator Physics 11 Expired
US6492845B1 Low voltage current sense amplifier circuit Electricity 10 Expired
US7459894B2 Driver with control interface facilitating use of the driver with varied DC-to-DC converter circuits Electricity 10 Expired
US6466422B2 Current limit protection circuit for a voltage regulator Physics 9 Expired
US6542027B2 Bandgap reference circuit with a pre-regulator Physics 7 Expired
US7869549B2 Automatic gain control system with self-adaptive attack and decay time Electricity 6 Active
US7714561B2 Driver for DC-to-DC converter with controller interface Electricity 6 Active
US7573246B2 Low drop-out linear regulator including a stable compensation method and circuit for particular use in automotive applications Physics 5 Active
US7525350B2 Zero-waiting-current precise over-voltage comparator Physics 4 Active
US6624710B2 External oscillator resistor detection circuit Electricity 4 Expired
US6566955B1 High bandwidth transresistance amplifier Electricity 4 Expired
US7928719B2 Zero current detector for a DC-DC converter Electricity 3 Active
US7548117B2 Differential amplifier having an improved slew rate Electricity 3 Active
US6954537B2 Power-off noise suppression circuit and associated methods for an audio amplifier device Electricity 2 Expired
US8488689B2 Channel equalization in a receiver Electricity 2 Active
US7614717B2 Pen fault check circuit for ink jet printer Performing Operations; Transporting 2 Expired
US7737769B2 OPAMP-less bandgap voltage reference with high PSRR and low voltage in CMOS process Physics 2 Active
US7622874B2 Over current detection circuits for motor driver Electricity 1 Active
US6456058B1 Temperature stable integrated circuit full wave level detector incorporating a single operational amplifier stage design Electricity 1 Expired
US8270503B2 Digital radio mondiale receiver integer carrier frequency offset estimation Electricity 1 Active
US6891437B2 Current amplifier structure Electricity 0 Expired
US8295372B2 DRM receiver and demodulation method Electricity 0 Active
US8194761B2 Sample clock frequency offset estimation in DRM Electricity 0 Active
US7496720B2 ROM addressing method for an ADPCM decoder implementation Electricity 0 Active
US8208365B2 DRM receiver with analog and digital separation filter and demodulation method Electricity 0 Active

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