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Patent Searching and Data


Matches 351 - 400 out of 3,245

Document Document Title
JPWO2010044488A1
The operation of the electronic circuit and the application timing of the noise impulse are not linked. Therefore, the impulse can be applied only stochastically, and there is a problem that the malfunction mechanism cannot be dealt with...  
JP4882474B2  
JP4871003B2  
JP2012023431A
To provide a sine wave generating circuit which generates a highly accurate sine wave with a relatively simple circuit.The sine wave generating circuit comprises a clock generation circuit 10 which generates clocks C1 to Ck of 2n-1 phase...  
JP4849430B2
A circuit for driving capacitive loads in a highly efficient manner. In one embodiment, a drive portion is connected to at least one end of a capacitive electric load being applied a voltage waveform. The embodiment further comprises a s...  
JP2011259167A
To provide a triangular wave generator generating multiple triangular waves with high frequency and high accuracy that synchronize each other and have different voltage ranges.A first charging/discharging circuit includes: a first curren...  
JP4835009B2
An oscillator circuit is disclosed that includes a first oscillation part configured to output a first oscillation output by charging and discharging a first capacitor, and a second oscillation part configured to output a second oscillat...  
JP4838074B2
Methods of manipulating pulses of ultrasonic energy for use with an ophthalmic surgical device are provided. In particular, methods are described for generating multisegment ultrasound pulses (2100) having a first rectangular pulse segme...  
JP2011250412A
To provide an apparatus and method for generating a ramp waveform.A ramp waveform generating apparatus generates a reference waveform by using an input signal and generates a driving control signal for turning on and off a switch having ...  
JP4833755B2
An oscillator circuit having a relatively simple circuit structure while enabling full swing with low power consumption includes an oscillation core block, a voltage restriction block, and a differential output block. Drain terminals of ...  
JP4829724B2
To provide an oscillation circuit which has high frequency stability, and is easily designed. The oscillation circuit comprises: a first charge/discharge circuit having a first current source for supplying a current I in proportion to po...  
JP4824599B2
A charging and discharging circuit of a triangular wave oscillation circuit includes an inverter circuit; a discharging reference potential generating circuit; a first NMOS transistor having a drain connected with a connection point betw...  
JP4828560B2  
JP4828561B2  
JP4823825B2
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 (...  
JP4819400B2
A testing circuit measures a center frequency of a clock signal outputted by a clock generator. The clock generator has a frequency modulator capable of (1) performing a frequency sampling accurately for the duration of modulation freque...  
JP4817960B2
An oscillator circuit (30) includes a capacitor (35), a first constant current source (33) electrically couplable to an end of the capacitor, a second constant current source (34) electrically ccuplable to the end of the capacitor (35), ...  
JP2011211509A
To provide a PWM signal generating circuit reduced in power consumption and high in accuracy.A counter 2 generates a pulse width of integral times as large as one period of a clock signal according to the upper bit of a digital input sig...  
JP4794542B2
Provided is a multilevel voltage driving device and system. The multilevel voltage driving device comprises a level converter, which is provided with an AC signal input terminal for inputting an AC signal, a high level output terminal fo...  
JP2011188641A
To provide a voltage generating circuit that generates a step voltage and a plurality of constant voltages without executing charging/discharging of a load capacity.The voltage generating circuit includes (N-1) capacitors (N is an intege...  
JP2011160076A
To provide a triangular wave signal generation circuit in which propagation delay in a closed loop comprising an integration circuit and a Schmitt trigger circuit is eliminated.The triangular wave signal generation circuit includes: the ...  
JP4750582B2
In a triangular-wave generating apparatus including an output terminal adapted to output an output voltage, an incorporated capacitor connected to the output terminal, a first variable current source adapted to charge the incorporated ca...  
JP2011147080A
To provide a pulse generator, along with a pulse generation method, in which the startup voltage of a pulse can be arbitrarily set.In a standard pulse generator, a charging power supply 11, a capacitor 12 and a mercury relay 13 are conne...  
JP4732007B2
There is provided a waveform generator that generates a waveform. The waveform generator includes: a lamp waveform generating section that generates a lamp wave of which a signal value linearly changes for a predetermined period; a squar...  
JP2011130393A
To solve the problem in a conventional system that stability varies depending upon comparison accuracy since it compares a voltage value of a certain waveform with a different threshold.A trapezoidal waveform generated by a control wavef...  
JP2011517898A
The present application discloses trapezoidal fire pulse generating methods and devices. According to the devices and methods of the present application, the voltage value of the positive DC control voltage signal, the voltage value of t...  
JP2011517898T
The trapezoid fire pulse generation method and a device which are indicated by the present invention, It is based on the trapezoid fire pulse parameter value outputted, and is a voltage value of the positive direct-current voltage contro...  
JP4704260B2
A PWM circuit includes a counter, a cycle register, a cycle detector, a pulse width register, a pulse width detector, an additional pulse width register, a voltage generator, a selector, and a voltage controller. The voltage controller c...  
JP4696920B2  
JPWO2009090703A1
The lamp wave output circuit includes a lamp wave generation circuit 1 that generates a lamp wave, and a low-pass filter 2 with a variable cutoff frequency that receives the lamp wave. The low-pass filter 2 operates at the first cutoff f...  
JP4684112B2
An accurate intermittent triangular wave signal without waveform distortion is generated by a triangular wave generation circuit 1 including a rectangular wave generation circuit 111 for generating an intermittent rectangular wave signal...  
JP4685602B2
A first comparator compares an output voltage Vout appearing at a capacitor with a maximum threshold voltage Vmax. A second comparator compares the output voltage Vout with a minimum threshold voltage Vmin. An edge detection circuit dete...  
JP2011087064A
To obtain a detector which can be provided at low cost and is high in effect for reducing power consumption.A control circuit 12 controls switching between an operation mode and a stop mode of a sensor 11, and operates by a clock signal ...  
JP2011082844A
To provide a technology for dulling a digital signal waveform more easily than the prior arts.A signal waveform-generating method includes: a D/A conversion step of outputting an analog signal waveform using a D/A converter 140; a measur...  
JP2011055477A
To provide an oscillator circuit highly accurately sweeping a frequency.In an oscillator circuit 100 with a sweeping function, a first counter 10 counts a reference clock REFCLK a number of times corresponding to a digital first setting ...  
JP2011035627A
To provide a ramp wave generation circuit capable of outputting ramp wave with fixed inclination, even when a capacitor with nonlinear C-V characteristics is used for an integration circuit.For the integration circuit 2 to which MOS capa...  
JP4622085B2  
JP4622306B2  
JP4622875B2  
JP4614218B2
A driving apparatus for receiving an input voltage at an input terminal and generating an output voltage at an output terminal. The apparatus includes an output buffer electrically coupled between the input and output terminal, and an op...  
JP4610608B2
Widening the frequency range without increasing the power consumption. Current circuits (1a) and (1b) output charge current based on control current. Capacitors (C1) and (C2) are provided in association with the current circuits (1a) and...  
JP2010287264A
To generate a laser drive signal in which undershoot is reduced by a simple constitution.A pulse signal generator 41 of a laser drive section 31 synthesizes a signal so that the rising of an additional rectangular wave SAD whose voltage ...  
JP2010283628A
To provide a synchronization signal generation circuit generating synchronization signals synchronized with PWM (pulse width modulated) signals from the PWM signals.A triangular wave generation circuit 101 is a means for generating trian...  
JP4592181B2
The invention includes: a capacitor 11 for generating ramp wave; a constant current source 10 for supplying constant current to the capacitor 11 for generating ramp wave; voltage fixing means for charging the capacitor 11 for generating ...  
JP2010268408A
To provide a circuit for generating sawtooth waves by charging and discharging a capacitor, which reduces a bottom voltage and variations of frequencies, which are caused by operation delay of a feedback circuit.The sawtooth wave generat...  
JP2010245906A
To provide a triangular wave generating circuit which does not vary an amplitude of a triangular wave signal and which is operable even if a clock signal is stopped, and to provide an integrated circuit device and an electronic apparatus...  
JP4571905B2  
JP4571122B2
A signal generator ( 1 ) for generating a square waveform analog voltage output signal comprises an on-chip DAC ( 12 ) which outputs the analog voltage signal on an output terminal ( 5 ). On-chip first and second programmable registers (...  
JP4560552B2
Disclosed is a novel design of a fully integrated UWB transmitter. The transmitter includes a pulse generator, a pulse modulator, and an ultra-wideband drive amplifier. A new low voltage low power pulse generator circuit is disclosed whi...  
JP2010226363A
To arrange a current value of sink and a current value of discharge. Each of first to third unit circuits includes first P channel transistors (P11, P21, and P31), second P channel transistors (P12, P22, and P32), first N channel transis...  

Matches 351 - 400 out of 3,245