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Matches 701 - 750 out of 4,526

Document Document Title
JP5187640B2  
JP5177094B2  
JP5165463B2  
JP2013055620A
To provide a compact and low-cost current control device even in the case of a multi-channel configuration using a microcomputer and a current control IC.The current control device includes: a current control semiconductor element 1; and...  
JP5167196B2  
JP5152741B2  
JP2013038693A
To provide a pulse generation circuit that implements desired control by a controlled object while adopting a configuration for generating an irregular pulse signal.If a predetermined time passes, a count value of a counter CO1 of a coun...  
JP2013038744A
To provide an oscillation circuit that outputs an oscillation signal of a highly precise frequency.The oscillation circuit includes: an RS flip-flop 11 for generating output signals Q, QB on the basis of a set signal and a reset signal; ...  
JP2013038782A
To provide a pulse width modulation control circuit capable of providing a pulse width modulation control signal which reduces the effect of electrostatic capacitance characteristic and inductance on a converter output side, for accurate...  
JP5143515B2  
JP2013026827A
To implement a more detailed fault diagnosis of a PWM timer while suppressing an increase in a processing load on a CPU.A microcontroller (1-10) includes: a central processing unit (11); a PWM signal generation section (200, 21) for gene...  
JP2013021384A
To provide a pulse width modulation system capable of flexibly avoiding frequency interference between an integral multiple frequency of PWM output frequencies and a transmitted wave frequency of AM broadcast.The pulse width modulation s...  
JP2013017047A
To provide a pulse width modulator that has an increased dynamic range by implementing an increased resolution.The pulse width modulator includes: a sequence counter 24 for counting a count value in synchronism with a clock; an intermedi...  
JP5126558B2  
JP2013005301A
To prevent a wasteful discharge of a voltage accumulated in accumulation means.When an output of a comparator COMP1 is at a high level, a capacitor C3 is charged with a voltage of a capacitor C1. When the output of the comparator COMP1 i...  
JP5099699B2  
JP2012531837A
Techniques for generating a signal having a predetermined duty cycle. In an exemplary embodiment, a first counter is configured to count a first number of cycles of an oscillator signal, and a second counter is configured to count a seco...  
JP2012244201A
To solve the problem that both inputs to two output elements become a high level to disable a start of operation at a later transition into a power-on state.When a switching amplifier 10 transitions into a power-off state, power control ...  
JP2010200103A5  
JP5091579B2  
JP2012227693A
To provide a PWM signal generation device that effectively reduces noise such as radiation noise by reducing a circuit scale.A CPU 204, a counter 201, a register 202 and a comparator 205 generate a variation clock that is a frequency var...  
JP2012227692A
To provide a PWM signal generation device that can output a PWM signal of double resolution in a simple circuit without doubling the frequency of a reference clock, and can reduce power consumption.The PWM signal generation device that o...  
JP5073580B2  
JP2012528498A
This application provides a method of synchronizing a PWM output from a master device and a slave device for a switch mode power supply which operates in master * slave composition as a whole, for example, avoids a problem like generatio...  
JP2012217170A
To provide a signal generator, outputting an analog frequency signal based on a digital value corresponding to a preset frequency, capable of achieving good noise characteristics, elimination of a ROM table corresponding to waveform data...  
JP2012217118A
To stabilize the response of a pulse-width modulation signal when an amplitude of an audio signal becomes excessive at a negative side.A pulse-width modulation circuit 10 comprises: a clock generation circuit 11; a differential amplifier...  
JP5064942B2  
JP5049707B2  
JP5053247B2  
JP5036373B2  
JP5036056B2
First and second counter circuits output a signal based on a trigger signal and a clock signal respectively. A selection circuit selects first to fourth signals as the trigger signal, the clock signal, the trigger signal and the clock si...  
JP5023709B2  
JP5026488B2  
JP5016360B2  
JP5019408B2  
JP5008962B2  
JP2012151830A
To provide a device and method generating a multi-channel pulse width modulation signal, and an LED system having the same.The present invention is related to a technique for driving a plurality of loads, in particular, related to a devi...  
JP4991936B2  
JP4991844B2  
JP2012142887A
To make the finer output resolution of a variable voltage generation circuit capable of output in a simple and inexpensive configuration without resorting to increased specifications of pulse signal generation means for generating a PWM ...  
JP4984226B2  
JP4982260B2  
JP4980989B2  
JP4974637B2  
JP2012129810A
To provide a driver circuit that can adjust at least either a positive edge waveform or a negative edge waveform.A branch circuit 10 divides an input signal SIN to be transmitted into a plurality of paths 12. Each timing adjustment circu...  
JP4954442B2  
JP2012110060A
To provide a method for determining a PWM control duty which can further reduce a noise level than techniques for slight variations in a communication frequency.When slightly varying the duty of a PWM signal output to a drive circuit aro...  
JP4947307B2  
JP2012094934A
To provide a pulse width modulation device that allows repeated or dynamic adjustment to level balance between the precision of pulse width setting and the frequency of a modulated signal.The pulse width modulation device includes: a cou...  
JP2012085038A
To provide a load controller capable of shifting both on- and off-timings for suppression of a power supply variation gradient even when the number of controlled object loads increases.A microcomputer stores a flag of on-timing so as not...  

Matches 701 - 750 out of 4,526