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)
10/1990
10/23/1990CA1275456C Latch-up protection circuit fo integrated circuits using complementarymos circuit technology
10/23/1990CA1275439C Band-gap reference circuit for use with cmos ic chips
10/18/1990WO1990012353A1 Precision reference-voltage source
10/16/1990US4963873 Digital/analog converter with high output voltage stability
10/10/1990EP0391672A1 Circuit to automatically power down a CMOS device which is latched up
10/10/1990EP0390859A1 Low power voltage clamp circuit.
10/07/1990CA2011287A1 Circuit to automatically power down a cmos device which is latched up
10/04/1990DE4005756A1 Monolithically integrated precision reference voltage source - has parabolic course of temp. relation of reference voltage linearised without additional components
10/02/1990US4961170 Logic circuit using bipolar complementary metal oxide semiconductor gate and semiconductor memory device having the logic circuit
10/02/1990US4961046 Voltage-to-current converter
10/02/1990US4961045 Floating output digital to analog converter
10/02/1990US4961009 Current-voltage converting circuit utilizing CMOS-type transistor
10/02/1990US4961007 Substrate bias potential generator of a semiconductor integrated circuit device and a generating method therefor
09/1990
09/26/1990EP0388918A1 Semiconductor integrated circuit having a substrate potential detecting circuit
09/18/1990US4958122 Current source regulator
09/13/1990DE4006416A1 Signal compression circuit - includes polygon circuit for providing current proportional to difference between input and reference voltage, and clipping circuit
09/12/1990EP0386282A1 Integrated reference voltage source
09/11/1990US4956567 Temperature compensated bias circuit
09/05/1990EP0385469A2 Potential detecting circuit
09/04/1990US4954769 CMOS voltage reference and buffer circuit
09/04/1990US4954766 Power supply circuit and semiconductor integrated circuit device using it
09/04/1990US4954728 Stabilized generator for supplying a threshold voltage to a MOS transistor
08/1990
08/29/1990EP0384513A1 Circuit for regulating the base current of a semiconductor power device
08/28/1990US4952865 Device for controlling temperature charactristics of integrated circuits
08/28/1990US4952863 Voltage regulator with power boost system
08/28/1990US4952821 Voltage detection circuit and comparison voltage generator therefor
08/22/1990EP0383571A1 Starter circuit for integrated circuit
08/22/1990EP0383397A2 Current conveyor circuit
08/22/1990EP0383095A2 BiCMOS reference network
08/22/1990EP0382929A2 Voltage regulator circuit
08/21/1990US4950976 Current variation reduction for mosfet current sources
08/16/1990DE3904363A1 Voltage regulator
08/14/1990US4948989 Radiation-hardened temperature-compensated voltage reference
08/14/1990US4948987 Secondary electric power source produced by current flow through a primary a.c. power circuit
08/07/1990US4947103 Current mirror have large current scaling factor
08/07/1990US4947056 MOSFET for producing a constant voltage
08/02/1990DE3901560A1 Linear voltage regulator with low power dissipation and a wide input voltage range
07/1990
07/31/1990US4945301 Constant-voltage power supply circuit and amplifier circuit and DA converter using the constant-voltage power supply circuit
07/31/1990US4945260 Temperature and supply compensated ECL bandgap reference voltage generator
07/26/1990WO1990008426A1 Substrate bias voltage generating and regulating apparatus
07/26/1990DE3908765C1 Circuit for forming current differences and the use of this circuit
07/25/1990EP0379092A1 Voltage generating circuit
07/24/1990US4943763 Ferroresonant transformer with dual outputs
07/24/1990US4943737 BICMOS regulator which controls MOS transistor current
07/24/1990US4943736 Waveform converting apparatus
07/18/1990EP0378453A1 Stable reference voltage generator
07/18/1990EP0378452A1 Current mirror circuits
07/17/1990US4942369 Controlled current producing differential circuit apparatus
07/17/1990US4942312 Integrated-circuit having two NMOS depletion mode transistors for producing stable DC voltage
07/11/1990EP0376953A1 Electronic devices and signal comparator using same.
07/04/1990EP0376787A1 Temperature controller for the characteristics of an integrated circuit
07/04/1990EP0376383A1 Integrated circuit comprising a switchable current generator
07/04/1990EP0375998A2 Low power transient suppressor circuit
07/03/1990USH802 Binary voltage level converter
07/03/1990US4939442 Bandgap voltage reference and method with further temperature correction
06/1990
06/27/1990EP0375124A1 CMOS comparator bias voltage generator
06/27/1990EP0374782A2 BICMOS positive supply voltage reference
06/27/1990EP0374490A2 A voltage comparator circuit for intergrated circuit drivers of inductive electric loads
06/26/1990US4937517 Constant current source circuit
06/26/1990US4937515 Low supply voltage current mirror circuit
06/26/1990US4937469 Switched current mode driver in CMOS with short circuit protection
06/26/1990CA1270900A1 Constant current circuits
06/20/1990EP0373471A1 Current source circuit with complementary current mirrors
06/19/1990US4935690 CMOS compatible bandgap voltage reference
06/14/1990WO1990006547A1 Voltage transducer
06/13/1990EP0372956A1 Constant current source circuit
06/13/1990EP0372647A2 Processing sampled analogue electrical signals
06/12/1990US4933648 Current mirror employing controlled bypass circuit
06/12/1990US4933627 Constant voltage generating circuit for selectively generating a constant voltage at a high-speed
06/06/1990EP0371626A2 Current split circuit having a digital to analog converter
06/05/1990US4931718 CMOS voltage reference
06/05/1990US4931665 Master slave voltage reference circuit
05/1990
05/30/1990EP0370364A1 Voltage reference circuit with linearized temperature behavior
05/29/1990US4929884 For controlling a load in an electrical system
05/22/1990US4928056 Stabilized low dropout voltage regulator circuit
05/15/1990US4926138 Fully-differential reference voltage source
05/09/1990EP0367578A1 CMOS compatible bandgap voltage reference
05/08/1990US4924113 Transistor base current compensation circuitry
05/02/1990EP0366253A1 Noise immune current mirror circuit
05/02/1990EP0365619A1 Non-saturating magnetic amplifier controller
05/01/1990CA1268519A1 Power supply adapter systems
04/1990
04/24/1990US4920280 Back bias generator
04/17/1990US4918334 Bias voltage generator for static CMOS circuits
04/11/1990CN1041230A Current-source arrangement
04/10/1990US4916389 Semiconductor integrated circuit with voltage limiter having different output ranges from normal operation and performing of aging tests
04/04/1990EP0361792A1 Semiconductor device having a reverse bias voltage generator
04/04/1990EP0361379A2 Precision voltage reference
04/04/1990EP0360915A1 Sensor switching arrangement
04/04/1990EP0360887A1 CMOS voltage reference
04/03/1990US4914440 Adjustable current source and digital/analog converter with autocalibration using such a source
04/03/1990US4914317 Adjustable current limiting scheme for driver circuits
03/1990
03/21/1990EP0359315A1 Current-source arrangement
03/20/1990US4910480 Hierarchical current amplifier
03/13/1990US4908755 Method and circuit for limiting the output current of a flyback converter
03/13/1990US4908527 Magnetic sensing device performance stabilized against temperature variation
03/07/1990EP0357366A1 Improved current mirror circuit
03/07/1990EP0357213A2 Low power sense amplifier for programmable logic device
03/07/1990EP0357125A1 Current amplifier
03/07/1990EP0356570A1 Current mirror
03/06/1990US4907246 Magnetically controlled variable transformer