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Matches 701 - 750 out of 4,543

Document Document Title
JP5258827B2  
JP5234032B2  
JP5231406B2  
JP2013132049A
To provide a signal outputting apparatus and method and an image forming apparatus using the same which are capable of improving EMI characteristics.An image forming apparatus includes a function unit to function as the image forming app...  
JP5227295B2  
JP2013128264A
To provide a relaxation oscillator which realizes increase in a frequency of the OSC_OUT signal without increasing current consumption.A relaxation oscillator for generating an oscillator signal includes a ramp voltage generating circuit...  
JP5219722B2  
JP5222267B2  
JP2013126191A
To prevent generation of noise when an input signal is zero, and synchronize two pulse width modulation signals without using an external clock.A first monostable multivibrator charges a capacitor Ca with a first charging current in resp...  
JP5216987B2  
JPWO2011101981A
Frequency voltage conversion circuit 13 comprises switch SW1, a switch part which comprises SW2, electric capacity element C, C10*C13, and switch CSW0*CSW3. Electric capacity element C10*C13 differs in the absolute value of capacity, is ...  
JP2013524594A
A method and circuit composition (10) which generate a multi-phase PWM signal (12) are shown. One counter (30, 54, 74, 94) and two comparison machines (32, 34, 56, 58, 76, 78, 96, 98), A plurality of PWM generation machines (20, 22, 24, ...  
JPWO2011101981A1
周波数電圧変換回路13は、スイッチSW1 ,SW2から構成されるスイッチ部、静電容 量素子C,C10〜C13、およびスイッチ CSW0〜CSW3から構成されている...  
JP2013115672A
To provide a pulse width modulation circuit that can solve the problem in which, at a transition to a power-off state, leakage currents charging storage means bring both inputs of two output elements to a high level and both outputs ther...  
JP2013090002A
To output a PWM waveform indicating a more precise duty ratio than a bit number determining the duty ratio of output pulses.A pulse generation circuit 12 includes: a PWM waveform output section 20 for outputting a PWM waveform in which a...  
JP2013085169A
To provide a load control device that implements improved duty ratio accuracy by preventing an inaccurate duty ratio in a high duty range.A triangular wave generation circuit 5 generates a triangular wave VC1 from a supply voltage VI sup...  
JP2013081114A
To control a PWM output width in minute units accurately.Dead time insertion into positive-phase and opposite-phase PWM signals is processed in the following way. When the output width of PWM signals is smaller than a reference period wh...  
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  

Matches 701 - 750 out of 4,543