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)
11/2001
11/13/2001US6316924 Supply voltage sequencing circuit
11/13/2001US6316882 Electronic ballast having a stable reference voltage and a multifunction input for soft dimming and ON/OFF control
11/08/2001US20010038307 Bias circuit of transistor
11/08/2001US20010038301 Current mirror circuit
11/07/2001EP1151365A1 Rapid on chip voltage generation for low power integrated circuits
11/06/2001US6313692 Ultra low voltage cascode current mirror
11/01/2001US20010035776 Fixed transconductance bias apparatus
10/2001
10/31/2001CN1074201C In-line buck/boost voltage regulating systems and apparatus
10/30/2001US6310511 Generator scheme and circuit for overcoming resistive voltage drop on power supply circuits on chips
10/30/2001US6310510 Electronic circuit for producing a reference current independent of temperature and supply voltage
10/25/2001US20010033194 Active bias circuit having wilson and widlar configurations
10/25/2001US20010033155 Voltage supply circuit and display device
10/24/2001EP1147601A1 Level shift circuit
10/24/2001EP0944094B1 Power switching circuit
10/23/2001US6307726 System to control the output current with temperature through a controllable current limiting circuit
10/23/2001US6307426 Low voltage, band gap reference
10/18/2001US20010030574 Differential amplifier circuit
10/18/2001US20010030573 CMOS voltage divider
10/17/2001EP1144034A2 Temperature compensation arrangement and current reference circuit
10/17/2001EP0960366B1 Heat protection
10/17/2001EP0910820B1 Low voltage bias circuit for generating supply-independent bias voltages and currents
10/16/2001US6304490 Memory cell integrated structure with corresponding biasing device
10/16/2001US6304132 High side current source circuit having improved output impedance to reduce effects of leakage circuit
10/16/2001US6304094 On-chip substrate regular test mode
10/16/2001US6304067 Adding a laplace transform zero to a linear integrated circuit for frequency stability
10/11/2001US20010028278 Temperature dependent circuit, and current generating circuit, inverter and oscillation circuit using the same
10/11/2001US20010028270 Sleep mode VDD detune for power reduction
10/11/2001US20010028242 Load supply voltage regulator assembly
10/11/2001DE10016168A1 Power supply control arrangement for electronic equipment, e.g. notebook computer, changes amplification factor of differential amplifier from low to high value, when there is variation in supply voltage caused by change in load
10/11/2001DE10015276A1 Stromerzeugungseinrichtung und Spannungserzeugungseinrichtung Current generating means and voltage generating means
10/10/2001EP1143320A1 Arrangement for providing a reference voltage
10/10/2001EP1142114A2 Calibration techniques for a precision relaxation oscillator integrated circuit with temperature compensation
10/09/2001US6301570 Programmable fuzzy analog processor
10/09/2001US6301131 DC power supply circuit
10/09/2001US6300803 Phase-comparison circuit
10/09/2001US6300752 Common mode bias voltage generator
10/04/2001WO2001073519A1 Current generating device and voltage generating device
10/04/2001US20010026189 Intermediate voltage control circuit having reduced power consumption five
10/04/2001US20010026188 Method for obtaining a temperature - independent voltage reference as well as a circuit arrangement for obtaining such a voltage reference
10/04/2001US20010025996 Power metal oxide semiconductor integrated circuit
10/04/2001DE10109417A1 Aktive Vorspannschaltung mit Wilson- und Widlar-Konfigurationen Active bias circuit with Wilson and Widlar configurations
10/04/2001DE10014385A1 CMOS voltage divider for integrated circuit - has one MOS transistor chain which produces gate-source bias voltage for complementary transistor chain
10/03/2001CN1316132A Circuit arrangement and optical read/write device including the circuit arrangement
10/02/2001US6297689 Low temperature coefficient low power programmable CMOS voltage reference
10/02/2001US6297688 Current generating circuit
10/02/2001US6297673 Evaluation circuit for electronic signal transmitters
10/02/2001US6297624 Semiconductor device having an internal voltage generating circuit
10/02/2001US6297596 Power supply circuit arranged to generate intermediate voltage and liquid crystal display device including power supply circuit
09/2001
09/30/2001CA2303543A1 Voltage reference source
09/29/2001CA2302908A1 Differential current mirror with low or eliminated differential current offset
09/29/2001CA2302900A1 Precise control of vce in close to saturation conditions
09/26/2001EP1136900A1 CMOS-voltage divider
09/26/2001EP1136812A1 Medical sensor and information system
09/25/2001US6294902 Bandgap reference having power supply ripple rejection
09/20/2001WO2001069681A2 Cascode circuits in duel threshold voltage, bicmos and dtmos technologies
09/20/2001US20010022528 Bias circuit for series connected decoupling capacitors
09/20/2001DE10011670A1 Circuit arrangement, especially integrated bipolar BIAS circuit - comprises several collector current sources which are respectively formed by transistor, whose base is respectively connected with output of reference voltage source
09/20/2001DE10011669A1 DC voltage generating circuit arrangement - comprises third bipolar transistor with collector connected with supply voltage source, and emitter connected over resistance with collector of at least one second transistor, and base of first transistor
09/19/2001EP0759228B1 Continuous time programmable analog block architecture
09/18/2001US6292050 Current and temperature compensated voltage reference having improved power supply rejection
09/18/2001US6292031 Level shift circuit with common mode level control
09/18/2001US6291977 Differential current mirror with low or eliminated differential current offset
09/13/2001US20010020844 Voltage generating circuit and reference voltage source circuit employing field effect transistors
09/13/2001US20010020843 Voltage regulator
09/13/2001US20010020842 Voltage regulator
09/12/2001EP1132795A1 Reference voltage generation circuit
09/12/2001EP1132794A1 Method to derive a temperature independent voltage reference and a circuit to derive such a voltage reference
09/12/2001EP1132793A1 Bias circuit
09/12/2001EP0900419B1 A method and device for temperature dependent current generation
09/11/2001US6288603 High-voltage bidirectional switch made using high-voltage MOS transistors
09/11/2001US6288600 Electronic circuit, semiconductor device, electronic equipment, and timepiece
09/11/2001US6288525 Merged NPN and PNP transistor stack for low noise and low supply voltage bandgap
09/06/2001US20010020123 Manual and automatic probe calibration
09/06/2001US20010019287 Active bias circuit having wilson and widlar configurations
09/06/2001US20010019261 Bandgap voltage reference source
09/06/2001US20010019260 Buffer device with dual supply voltage for low supply voltage applications
09/05/2001CN1311443A Band-gas voltage comparator used for low voltage testing circuit
09/04/2001US6285245 Constant voltage generating circuit
09/04/2001US6285244 Low voltage, VCC incentive, low temperature co-efficient, stable cross-coupled bandgap circuit
09/04/2001US6285223 Power-up circuit for analog circuits
09/04/2001US6285177 Short-circuit current-limit circuit
09/04/2001US6285176 Voltage generator with superimposed reference voltage and deactivation signals
08/2001
08/30/2001US20010017567 Internal voltage generation circuit
08/30/2001US20010017537 Voltage regulator provided with a current limiter
08/30/2001US20010017535 Regulated power source circuit and regulated power source device
08/30/2001US20010017489 Power supply device
08/30/2001DE10006971A1 Stromspiegelanordnung für höhere Spannungen Current mirror arrangement for higher voltages
08/28/2001US6282559 Method and electronic circuit for signal processing, in particular for the computation of probability distributions
08/28/2001US6282108 Voltage control circuit
08/28/2001US6281743 Low supply voltage sub-bandgap reference circuit
08/28/2001US6281734 Reference voltage adjustment
08/28/2001US6281722 Bias source control circuit
08/28/2001US6281667 Voltage regulator
08/23/2001WO2001061430A1 Voltage current transformer
08/23/2001US20010015661 Device for the detection of a high voltage
08/22/2001EP1126523A2 Soi-type semiconductor device with variable threshold voltages
08/22/2001EP1126352A1 Bandgap voltage comparator used as a low voltage detection circuit
08/22/2001EP1126351A1 Circuit for producing a constant voltage
08/22/2001EP1126350A1 Voltage-to-current converter
08/22/2001EP1125180A1 Load device
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