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System General Corporation
System General Corporation_20100114
  

System General Corporation patents

Recent patent applications related to System General Corporation. System General Corporation is listed as an Agent/Assignee. Note: System General Corporation may have other listings under different names/spellings. We're not affiliated with System General Corporation, we're just tracking patents.

ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | System General Corporation-related inventors




Date System General Corporation patents (updated weekly) - BOOKMARK this page
05/21/15Under-voltage protection circuit for programmable power supplies
04/30/15Programmable current limit circuit for a programmable power supply
03/05/15Synchronous rectifier control circuits of power converters
02/05/15Method and apparatus of frequency modulation for power saving of adaptive power converter
01/01/15Control circuit for active-clamp flyback power converter with programmable switching period
09/25/14Programmable power supply
08/28/14Apparatus for charging battery through programmable power adapter
08/28/14Control circuit for charging battery through programmable power supplier
07/31/14Single-stage pfc converter with constant voltage and constant current
07/10/14Primary-side controlled programmable power converter
07/03/14Active clamp circuits for flyback power converters
06/26/14Method and controlling programmable power converter
05/01/14Charge pump circuits having frequency synchronization with switching frequency of power converters
01/02/14Control circuit with frequency hopping for permanent magnet motor control
11/14/13Electro-magnetic interference reduction circuit for power converters and method thereof
09/26/13Digital controlled power converter with embedded microcontroller
09/19/13Controller with power saving for power converters and the same
08/29/13Digital control circuit for resonant power converters
07/18/13Electro-magnetic interference reduction circuit for power converters and the same
06/13/13Switching current synthesis circuit for power converter
06/06/13Adaptive frequency compensation for pfc power converter operating in ccm and dcm
04/18/13Control circuit for offline power converter without input capacitor
03/14/13Controller and power converter using the same for clamping maximum switching current of power converter
02/28/13Monolithic high-side switch control circuits
01/31/13Switching controller for flyback power converters without input capacitor
12/06/12High-side signal sensing circuit
09/27/12Control circuit and control dimming led lighting circuit
09/13/12Switching controller with valley-lock switching and limited maximum frequency for quasi-resonant power converters
08/23/12Adaptive filter circuit for sampling a reflected voltage of transformer in a power converter and method thereof
08/16/12Multi-function terminal of power supply controller for feedback signal input and over-temperature protection
08/16/12Control circuit for burst switching of power converter and method thereof
07/05/12Primary-side controlled power converter with an rc network and method thereof
07/05/12Single-stage pfc converter with constant voltage and constant current
05/10/12Method and apparatus of providing over-temperature protection for power converters
04/05/12Controller with valley switching and limited maximum frequency for quasi-resonant power converters
03/22/12Correction circuit of a switching-current sample for power converters in both ccm and dcm operation
02/23/12Motor rotor and motor having the motor rotor
02/09/12High-side synchronous rectifier circuits and control circuits for power converters
02/02/12Motor rotor and motor having the motor rotor
12/15/11Switching control circuits with valley lock for power converters
12/01/11Method and apparatus to improve dynamic response of the synchronous rectifying for resonant power converters
11/03/11Method and apparatus of operating a primary-side-regulation power converter at both continuous current mode and discontinuous current mode
10/20/11Constant-speed control circuit for bldc motors
10/20/11High-speed reflected signal detection for primary-side controlled power converters
02/17/11Parallel connected pfc converter
02/17/11Switching regulator having terminal for feedback signal inputting and peak switching current programming
12/09/10Mounting structure for an electronic element
09/16/10Semiconductor devices and formation methods thereof
09/16/10Dual-switches flyback power converter with self-excited supply to power the high-side driver
08/12/10Synchronous rectifier having phase lock circuit coupled to feedback loop for resonant power converters
08/12/10Asymmetrical resonant power converters
08/12/10Flyback power converters
07/22/10Switching circuit for primary-side regulated resonant power converters
07/08/10Offline synchronous rectifier circuit with turned-on arbiter and phase-lock for switching power converters
05/20/10Power management interface
05/06/10Motor structure and fan
01/14/10Over-torque control circuit for bldc motors
01/14/10Buck-boost pfc converters
12/17/09Sensor fastening method and sensor fastening frame for use therewith
12/17/09End cover and motor rotor having the end cover
12/17/09Control circuit with dual programmable feedback loops for bldc motors
12/17/09Method and measuring the switching current of power converter operated at continuous current mode
08/27/09Method and apparatus of providing synchronous regulation circuit for offline power converter
08/27/09Switching controller capable of reducing acoustic noise for power converters
08/06/09Motor rotor
Patent Packs
04/30/09Synchronous rectifying for soft switching power converters
04/09/09Control circuit for multi-phase, multi-channels pfc converter with variable switching frequency
04/09/09Method and synchronous rectifying of soft switching power converters
01/14/10Buck-boost pfc converters







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