Patents
Patents for G05F 3 - Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties (12,739)
03/1996
03/05/1996US5497073 Constant current source having band-gap reference voltage source
02/1996
02/29/1996DE4429884A1 Load voltage-to-supply voltage matching arrangement e.g. for electronic device cooling cabinet compressor AC drive motor
02/29/1996DE19530472A1 Constant current circuit for precision operation electronic circuitry
02/28/1996EP0698841A1 Current generator circuit
02/28/1996EP0698840A2 Circuit arrangement for voltage limitation
02/28/1996EP0698236A1 A reference circuit having a controlled temperature dependence
02/28/1996EP0698235A1 Bias voltage distribution system
02/28/1996CN1117662A Power supply voltage converting circuit of semiconductor integrated circuit
02/27/1996US5495166 MOS transistor threshold voltage generator
02/20/1996US5493249 Integrated circuit
02/20/1996US5493207 Voltage divider and use as bias network for stacked transistors
02/20/1996US5493205 Low distortion differential transconductor output current mirror
02/14/1996EP0696840A2 Power limiting regulator
02/14/1996EP0696741A2 Bipolar cascadable circuit for signal limiting and field strength detection
02/13/1996US5491430 Semiconductor integrated circuit device with data output circuit
02/08/1996WO1996003682A1 Temperature stabilising process
01/1996
01/30/1996US5488368 A/D converter system and method with temperature compensation
01/30/1996US5488329 Stabilized voltage generator circuit of the band-gap type
01/30/1996US5488328 Constant current source
01/30/1996US5488289 Voltage to current converter having feedback for providing an exponential current output
01/30/1996US5488247 MOS-type semiconductor clamping circuit
01/23/1996US5486781 Base current-control circuit of an output transistor
01/23/1996US5486778 Input buffer for translating TTL levels to CMOS levels
01/16/1996US5485117 Power circuit and semiconductor device including the same
01/16/1996US5485116 Power diverting circuit
01/16/1996US5485111 Power on reset circuit with accurate detection at low voltages
01/16/1996US5485074 High ratio current mirror with enhanced power supply rejection ratio
01/10/1996EP0691004A1 Circuit to reduce dropout voltage in low dropout voltage regulator
01/09/1996USRE35141 Substrate bias generating circuit
01/09/1996US5483196 Amplifier architecture and application thereof to a band-gap voltage generator
01/09/1996US5483184 Programmable CMOS bus and transmission line receiver
01/09/1996US5483179 Data output drivers with pull-up devices
01/09/1996US5483152 Wide range power supply for integrated circuits
01/09/1996US5483151 Variable current source for variably controlling an output current in accordance with a control voltage
01/09/1996US5483150 Transistor current switch array for digital-to-analog converter (DAC) including bias current compensation for individual transistor current gain and thermally induced base-emitter voltage drop variation
01/03/1996EP0690575A1 Device for activating a source of bias voltage
01/03/1996EP0690574A1 Control circuit for source of bias voltage
01/03/1996EP0690573A1 Control circuit for putting a bias source into partial stand by
01/03/1996EP0690364A2 Bandgap reference voltage generating having regulation and kick-start circuits
01/02/1996US5481180 PTAT current source
01/02/1996US5481179 Voltage reference circuit with a common gate output stage
01/02/1996US5481129 Laser trimmed resistor, controlled hydrogen concentration in silicon nitride layer
12/1995
12/26/1995US5479092 Curvature correction circuit for a voltage reference
12/26/1995US5479091 Output current reference circuit and method
12/20/1995EP0687967A1 Temperature stable current source
12/20/1995CN1113615A Power supplying circuit
12/19/1995US5477175 Off-line bootstrap startup circuit
12/19/1995US5477171 Full wave rectifier using current mirror bridge
12/12/1995US5475336 Programmable current source correction circuit
12/12/1995US5474750 Resonant power supply circuit for ozone generators
12/07/1995WO1995033233A1 Adaptive-output current driver
12/06/1995EP0685782A2 Voltage regulator
12/05/1995US5473277 Output circuit for providing a finally adjustable voltage
12/05/1995US5473243 Integratable current source circuit for generating an output current proportional to an input current
11/1995
11/29/1995EP0684537A1 A multiple output current mirror
11/28/1995US5471132 Logarithmic and exponential converter circuits
11/28/1995US5471131 Analog-to-digital converter and reference voltage circuitry
11/21/1995US5469111 Circuit for generating a process variation insensitive reference bias current
11/21/1995US5469110 Charge pumping circuit using non-overlapping clock control
11/21/1995US5469095 Bridge circuit for driving an inductive load with a shoot-through prevention circuit
11/21/1995US5469093 Current mirror drive circuit with high breakdown voltage
11/21/1995US5469092 Electronic circuit including means for reflecting signal current and feed forward means for compensating operational speed thereof
11/21/1995US5469047 Transistor circuit
11/16/1995WO1995030943A1 A switching bandgap voltage reference
11/15/1995EP0682305A1 Circuit device for generating a reference current
11/15/1995EP0681717A1 Battery drain reducer
11/15/1995CN1111853A Igfet current mirror amplifiers with nested-cascode input and output stages
11/15/1995CN1111770A Power supply device, liquid crystal display device, and method of supplying power
11/15/1995CN1111720A Circuit for alternately charging and discharging a capacitor
11/14/1995US5467052 Reference potential generating circuit utilizing a difference in threshold between a pair of MOS transistors
11/14/1995US5467050 Dynamic biasing circuit for semiconductor device
11/07/1995CA2058369C Current sink
11/02/1995EP0680048A1 Bandgap reference circuit
10/1995
10/25/1995EP0678802A1 Circuit for voltage limiting with hysteresis comparator
10/25/1995EP0678801A1 Regulator circuit with Zener reference
10/25/1995EP0678800A2 Data output drivers with pull-up devices
10/24/1995US5461338 Semiconductor integrated circuit incorporated with substrate bias control circuit
10/24/1995US5461304 Switchable current source circuit and phase detector configuration having such a circuit
10/19/1995WO1995027938A1 Reference voltage source for biassing a plurality of current source transistors with temperature-compensated current supply
10/17/1995US5459430 Resistor ratioed current multiplier/divider
10/12/1995DE4411805A1 Voltage-current converter with current setter
10/11/1995EP0676856A2 Efficient, well regulated, DC-DC power supply up-converter for CMOS integrated circuits
10/11/1995EP0676855A2 Supply-discriminating supply-adaptive electronic system
10/11/1995EP0676684A2 Incremental output current generation circuit
10/10/1995US5457421 Voltage stepdown circuit including a voltage divider
10/05/1995WO1995026617A1 Mos circuit with dynamically reduced threshold voltage, as for use in an output buffer of a hearing aid amplifier
10/05/1995DE4410211A1 Circuit for switchable load control-drive
10/04/1995EP0675422A1 Regulator circuit generating a reference voltage independent of temperature or supply voltage
10/03/1995US5455797 Reference voltage generator
10/03/1995US5455534 Semiconductor device for liquid crystal panel driving power supply
10/03/1995US5455504 Constant-current circuit
09/1995
09/28/1995WO1995026078A1 Signal-receiving and signal-processing unit
09/28/1995WO1995026071A1 Method and apparatus for providing an ultra low power regulated negative charge pump
09/28/1995DE19510279A1 Stromversorgung Power Supply
09/27/1995EP0674252A1 Circuit to control the voltage between well and source of MOS logic circuit transistors and servo system of the power supply
09/26/1995US5453680 Charge pump circuit and method
09/26/1995US5453679 Bandgap voltage and current generator circuit for generating constant reference voltage independent of supply voltage, temperature and semiconductor processing
09/21/1995DE4409095A1 Voltage regulator circuit with control circuit and shunt transistor
09/19/1995US5451897 Built-in supply voltage dropping circuit
09/19/1995US5451860 Low current bandgap reference voltage circuit