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Matches 51 - 100 out of 4,463

Document Document Title
WO/2012/162702A3
Methods, circuits and systems are provides to produce a bipolar signal across a load from two or more unipolar signals. In a circuit that includes a first and a second energy source, as well as a first and a second photonic switch, a fir...  
WO/2012/162702A2
Methods, circuits and systems are provides to produce a bipolar signal across a load from two or more unipolar signals. In a circuit that includes a first and a second energy source, as well as a first and a second photonic switch, a fir...  
WO/2012/157801A1
The present invention relates to a semiconductor waveform generator, comprising: a reference signal generation unit for generating a reference voltage (VREF), and generating an upper threshold value (VFB) and a lower threshold value (VTH...  
WO/2012/133593A1
Provided is a pulse generation device which generates a pulse signal with a suitable waveform and achieves high isolation when not outputting a pulse signal. The pulse generation device (100), by means of an amplifier (102), amplifies a ...  
WO/2012/101683A1
Provided is a sawtooth wave generation circuit that uses one output capacitor, has a stable amplitude and wherein the gradient during a sudden change in voltage can easily generate a steep sawtooth wave. The sawtooth wave generation circ...  
WO/2012/042089A1
The invention relates to a switched power supply (1) intended to function in interlace mode, that includes CC-CC converters (Ci) in parallel, each one provided with a controlled switch (Ii), in which the switched state of each converter ...  
WO/2012/036066A1
Provided are a self-oscillating circuit capable of further improving sound quality in a class D amplifier comprising a self-oscillating circuit compared to a conventional circuit, and the like. A self-oscillating circuit (SB) connected b...  
WO/2012/029595A1
The oscillator circuit includes a comparator circuit which compares a potential supplied to one of input terminals with a potential supplied to the other of the input terminals and outputs a high power supply potential or a low power sup...  
WO/2011/158576A1
Disclosed is an oscillation circuit comprising a capacitor, a charge and discharge unit for switching between charging and discharging of the capacitor according to a control signal, a comparator for comparing the voltage of the capacito...  
WO/2011/151642A1
A driver circuit (1) for driving a capacitive load (2) with a drive pulse having a rise time, a predetermined voltage period and a fall time. The driver circuit (1 ) includes an inductance (6), switches (10, 11, 12), and a transformer (8...  
WO/2011/119295A1
Systems and methods of the present disclosure relates generally to techniques for controlling a gate signal applied to a transistor in an electronic component. One embodiment includes decreasing a skew rate at the rising and/or falling e...  
WO/2011/040721A3
The present invention relates to a two-wheel type robot provided with two driving wheels. Supporting legs that closely contact or separate from a body have sharp ends, wherein the sharp ends are formed with curved surfaces for minimizing...  
WO/2011/016657A3
According to one embodiment of the present invention, a lamp signal generator for generating a lamp signal for analog-digital conversion comprises: a lamp signal generating unit which charges a prepared capacitive element using a predete...  
WO/2011/059322A1
The present invention is directed to an oscillator circuit comprising an oscillator input for providing an input signal, a first integrator circuit comprising a first integrator capacitor and a first integrator output, a comparator, a di...  
WO/2011/040721A2
The present invention relates to a two-wheel type robot provided with two driving wheels. Supporting legs that closely contact or separate from a body have sharp ends, wherein the sharp ends are formed with curved surfaces for minimizing...  
WO/2011/029038A1
The mixer of a transmit chain of a wireless transmitter (such as the transmitter of a cellular telephone handset) is driven with low third harmonic in-phase (I) and quadrature (Q) signals. The low third harmonic I and Q signals have thre...  
WO/2011/017802A1
A high voltage wave generator circuit is provided for generating high voltage square-waves and SPWM-waves. The circuit comprises a plurality of stages, each stage including (a) an input connected to a DC source, (b) a first switch, (c) a...  
WO/2011/016657A2
According to one embodiment of the present invention, a lamp signal generator for generating a lamp signal for analog-digital conversion comprises: a lamp signal generating unit which charges a prepared capacitive element using a predete...  
WO/2010/129927A1
An oscillator is disclosed. The oscillator includes a first capacitor. The oscillator also includes a second capacitor. The oscillator further includes a first current source. The oscillator also includes a second current source. The osc...  
WO/2010/117106A1
The present invention relates to a semiconductor waveform generator, and more particularly, to a sawtooth wave generator which can be applied to a DC-DC converter, a pulse width modulation circuit, or the like that is being used as a sem...  
WO/2010/078080A1
A patch cord for an intelligent patching system is provided. The patch cord is a ten-wire patch cord having a patch panel plug (12) and a switch plug (14). The patch panel plug contains ninth and tenth wire contacts (20, 22) that interfa...  
WO/2010/033079A1
A relaxation oscillator and a method for offset cancellation in a relaxation oscillator. The relaxation oscillator comprises two comparator units, each comparator unit comprising a comparator element and a memory element; and a switch co...  
WO/2010/016019A3
According to a first aspect of the present invention there is provided a signal generation system for generating a predetermined analog signal. The system comprises a clock generator (1) adapted for generating on the basis of an external...  
WO/2010/016019A2
The present invention relates to According to a first aspect of the present invention there is provided a signal generation system for generating a predetermined analog signal. The system comprises a clock generator adapted for generatin...  
WO/2010/016167A1
An oscillator circuit (11) increases or decreases the signal levels of oscillation signals (OSCa, OSCb) in a complementary manner in response to the transition of the signal levels of reference clocks (CKa, CKb). An oscillation control c...  
WO/2009/121296A1
A trapezoidal fire pulse generation method and device are provided, for determining the voltage values of a positive direct current control voltage signal and a negative direct current control voltage signal, and the voltage values of a ...  
WO/2008/092033A8
A triangular waveform generator includes a square waveform clock circuit and an active integrator. The active integrator receives input from the square waveform clock circuit and generates a triangular waveform output. An active feedback...  
WO/2009/095279A1
A local oscillator circuit for a signal transmitter or receiver, the circuit comprising: an input for receiving a master oscillating signal from a master oscillator; and signal processing circuitry configured to be clocked by the master ...  
WO/2009/092448A1
The invention relates to an electronic ballast for controlling at least one light source (La). Said electronic ballast comprises: an input for connecting a supply voltage (Uv); an output (A) for connecting the at least one light source (...  
WO/2009/090703A1
A ramp wave output circuit includes a ramp wave generation circuit (1) which generates a ramp wave and a low-pass filter (2) having a variable cut-off frequency for receiving the ramp wave. The low-pass filter (2) operates with a first c...  
WO/2009/051499A1
The present invention relates to a method of simulating an initial component of a signal to approximate a component of a reference signal, the method characterised by the steps of; i) generating a source signal which includes at least on...  
WO/2009/020984A1
A multiple output DC-to-DC voltage converter using a new time- multiplexed-capacitor converter algorithm and related circuit topologies is herein disclosed. One embodiment of this invention includes a flying capacitor, a first output nod...  
WO/2008/089269A3
A dual differential sawtooth signal generator (106) includes a first sawtooth voltage generator (150) that has a first capacitor (178) and a second capacitor (196) that are alternately charged with a feedback control source current (Ireg...  
WO/2008/148024A1
A communication system (20) comprises a transmitter (22) and a receiver (24). The transmitter (22) comprises a source of information symbols (30); a pulse shaping wave function generator (32); and a combiner (34) configured to express th...  
WO/2008/076773A3
A sawtooth voltage generator (100) has a first capacitor (156) that is charged with a variable feedback control current to provide a sawtooth output signal with a controlled amplitude. A feedback loop includes a comparator (110) that com...  
WO/2008/008382A3
A method and devices to redistribute magnetic flux density within electro-magnetic or permanent magnet devices to increase utilization of magnetic core material and increase its power density. Magnetic core bias currents (291, 292), sync...  
WO/2008/125403A1
The invention relates to a device for modulating signals by symmetric pulse widths with three levels. The device comprises harmonic distortion correction circuits consisting of circuits (202) modelling the behaviour of the conversion of ...  
WO/2008/092033A1
A triangular waveform generator includes a square waveform clock circuit and an active integrator. The active integrator receives input from the square waveform clock circuit and generates a triangular waveform output. An active feedback...  
WO/2008/089269A2
A dual differential sawtooth signal generator (106) includes a first sawtooth voltage generator (150) that has a first capacitor (178) and a second capacitor (196) that are alternately charged with a feedback control source current (Ireg...  
WO/2008/076773A2
A sawtooth voltage generator (100) has a first capacitor (156) that is charged with a variable feedback control current to provide a sawtooth output signal with a controlled amplitude. A feedback loop includes a comparator (110) that com...  
WO/2008/036542A1
A circuit can include an oscillator core that outputs, in response to a bias signal, a periodic signal having an oscillation frequency; a bias circuit that, when powered, provides the bias signal (e.g., a voltage) to the oscillator core;...  
WO/2008/032782A1
[PROBLEMS] To provide, for example, a pulse input type power amplifying unit that can be operated at low voltage and low power, effectively inhibiting any generation of harmonic component. [MEANS FOR SOLVING PROBLEMS] The amplifying unit...  
WO/2008/029509A1
A charging/discharging circuit (32) charges or discharges a capacitor (C2) having an end the potential at which is fixed. A first comparator (COMP1) compares an output voltage (Vout) of the capacitor (C2) with a first threshold voltage (...  
WO/2008/026314A1
To enhance the precision of the period of pulse signals. In response to a level transition at which a second period voltage (Vsaw2) has become equal to a main reference voltage (Vmain), a first period voltage generating circuit (74) init...  
WO/2007/142301A1
An oscillation circuit includes: a triangular wave generation circuit for generating a triangular wave signal according to an output clock signal; a comparison circuit for generating a clock signal in accordance with a comparison between...  
WO/2007/135491A1
A LIN network (600) comprises a transmit driver (610) for communicating on a single communication bus (615) . A slope control module (650) is operably coupled to a supply voltage (640) and in the case of voltage transition controls the t...  
WO/2002/091565A3
An analog signal amplifying method, an amplifier to output a first pulse of high level by comparing an input signal with a first sawtooth-wave having an amplitude greater than that of the input signal and determining that the first sawto...  
WO/2007/113376A1
A circuit for rounding the edges of a digital pulse so as to reduce interference has a first rounding block (U1), a second rounding block (U2) and an output stage. The first rounding block (U1) rounds the second and fourth pulse edges so...  
WO/2007/108348A1
A voltage controlled oscillator circuit wherein a voltage/current converting circuit (310), which generates an input voltage converted current in accordance with an input voltage, is cascaded with a current controlled oscillator circuit ...  
WO/2007/072307A1
An electronic circuit comprises a delay circuit that with a chain of saw tooth delay stages (10a-d), coupled in a loop to form an oscillator for example. Each stage comprises an integrating circuit (104) and a current modulator (106) cou...  

Matches 51 - 100 out of 4,463