Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 551 - 600 out of 11,348

Document Document Title
JP2017221092A
To provide a game machine in which a vibration or a sound at a low speed rotation of a motor such as a stepping motor or the like is reduced with a simple structure and a low cost.Switching parts Sa and Sb are turned on by a main CPU 45 ...  
JP2017215229A
To provide a motor drive circuit with which it is possible to suppress an increase in the number of output terminals.A motor drive circuit 1 includes: a first control circuit 107d for outputting two first drive signals for driving a firs...  
JP6243505B2  
JP2017212828A
To accurately detect the generation of a large offensive sound during the rotation of a stepping motor.A motor control device includes: a stepping motor; a chopping signal generation part that generates a chopping reference signal; a fre...  
JP2017207384A
To provide an electronic clock having display means of a low power consumption for displaying a state and information of the clock by multicolor expressions by an indicating needle.An electronics clock is constituted of: a rotor 21 polar...  
JP2017208930A
To solve the problem in which: by using a low pass filter, a phase of a current value of the drive current used for position estimation is delayed compared with a phase of a current value of an actual drive current, causing an error in a...  
JP6234210B2  
JP2017204955A
To provide a pulse output logic circuit which allows for continuous driving of a motor in time and velocity between unit operation patterns, when performing drive control of a motor by combining multiple unit operation patterns.A pulse o...  
JP6229815B2  
JP2017198181A
To provide an air blower capable of specifying the current direction of an air blowing part by using less sensors and minimum turn of the air blowing part.A fan 1 as the air blower includes a base part 2, an air blowing part 3 which is p...  
JP6224867B2  
JP2017195761A
To solve the problem that a drive current cannot be detected at fixed time intervals owing to the detection of the drive current passing through a winding wire of a motor with a timing depending on the duty ratio of PWM signals.In a moto...  
JP2017192181A
To provide a stepping motor control device and a stepping motor control method capable of preventing step-out at activation without elongating a startup time.A motor drive part 2 sequentially switches an excitation pattern of an excitati...  
JP2017191637A
To smoothly rotate an operation object.An angle adjusting device includes a first rotation part and a spring member. The first rotation part is supported by a frame, and is rotated along with an operation object by driving force of a dri...  
JP2017189091A
To solve a problem that switching between a constant current control and a vector control may occur repeatedly when switching control of a motor.Two threshold values for switching between a constant current control and a vector control a...  
JP2017189066A
To suppress the generation of a latch-up at electric current off operation (that is, a current regenerative operation).A motor drive device is formed by laminating: a P-channel type upper transistor 211 connected between a power supply e...  
JP6211294B2  
JP6212145B2  
JP2017184490A
To provide a technique for reducing distortion occurring in the detection results of a drive current flowing through the motor winding, in a motor drive unit including a drive circuit for supplying a drive current to the motor according ...  
JP2017184489A
To provide a technique for reducing detection error of a drive current caused by the pulse width of a PWM signal supplied to an H bridge circuit, in a motor drive unit for detecting the drive current of a motor by using a current detecti...  
JPWO2016104660A1
The rotor (41) by which the N pole and the S pole were magnetized, and the 1st, the 2nd and the 3rd stator pole section (42), The drive pulse generating circuit (4) which outputs drive pulse SP who is a drive circuit for 2 coil stepping ...  
JP2017184528A
To save a driving electric power by using a sensing mechanism with a simple structure.A stepping motor driving device 1 comprises: distribution pulse forming means 2 of forming a distribution pulse as a reference of an excitation signal ...  
JP2017184464A
To provide a motor control device and an image processing device capable of suppressing stepping-out at drive start of a stepping motor while suppressing increase in temperature of the stepping motor and a drive circuit during a stop per...  
JP6207223B2  
JP2017173037A
To realize a rotation detecting device capable of realizing the accurate rotation detection of a rotator while suppressing power consumption.A rotation detecting device (6) detects rotations of a rotator of a motor (4) equipped with the ...  
JP2017175912A
To provide a stepping motor capable of accurately maintaining steps at intervals of 60 degrees in easily formable configuration.A second recess 52 is formed at least at one of the vertex of each magnetic pole of a rotor magnet 50 in whic...  
JP6205220B2  
JP6205219B2  
JP6204386B2  
JP6204385B2  
JP6202996B2  
JP2017163725A
To provide a motor drive device ensuring high accuracy in the turning angle of an output member, and high resolution in the stop position of the output member.A motor device 100 has a stepping motor 1a, a speed reduction mechanism 3, and...  
JP2017161662A
To solve the problem in which conventionally, an area of a part where an aperture blade overlaps becomes broad, friction force of the aperture blade becomes larger, and an aperture drive voltage is set so as to meet a small aperture side...  
JP2017163799A
To provide a stepping motor controller capable of suppressing vibration and noise generated from a stepping motor when it is stopped.A stepping motor controller 10 includes a control signal generation unit 11 generating a pulsed control ...  
JP2017163766A
To provide a stepping motor driving device capable of accurately detecting whether or not it has rotated to a predetermined position, and to provide a stepping motor driving method, a stepping motor driving program, and an electronic wat...  
JP2017158227A
To provide a motor device capable of properly driving a driven member even if an origin position of the driven member that is set by a mechanical-type origin setting mechanism is displaced.A motor device 100 comprises: a motor 1; an outp...  
JP2017156246A
To provide a motor connection detection device capable of precisely detecting connection abnormality such as connector disconnection, wire breaking of a harness and motor winding targeting a bipolar type stepping motor.A motor connection...  
JP2017153319A
To easily and accurately determine time degradation of a component that is a driving object of a stepping motor.In a stepping motor driving device 10, a first pulse signal generating part 40 generates a first pulse signal CS indicating a...  
JP2017153270A
To achieve step-out detection of a stepping motor without enlargement of an apparatus.The step-out detection method of stepping motor includes: a process of transmitting a drive signal to a stepping motor; a process of collecting sound a...  
JP6188604B2  
JP6189283B2  
JP2017147836A
To provide a stepping motor drive unit capable of achieving improvement of a pullout torque without causing power swing not only at a low rotational speed but also at a high rotational speed, as well as high versatility.While a motor is ...  
JP2017146144A
To provide an electronic timepiece and a method for controlling the electronic timepiece with which it is possible to suppress an auxiliary pulse from being supplied as a stepping motor becomes nonrotational when a power supply voltage d...  
JP6184134B2  
JP6184221B2  
JP6184726B2  
JP2017141765A
To provide an electronic control device which can preferably start an internal combustion engine even when the internal combustion engine is completely exploded during execution of initialization while intending acquisition of a standard...  
JP6180830B2  
JP2017136395A
To provide a game machine capable of suitably accelerating a circulating body in a configuration for circulating the circulating body by utilizing a stepping motor.A hybrid stepping motor 33 includes: a rotor 91 disposed at the center; a...  
JP2017134049A
To provide an analog electronic clock capable of reliably controlling unit step rotation of a rotor.An analog electronic clock which has an hour hand, a minute hand and a second hand going around with a unit step operation of a stepping ...  

Matches 551 - 600 out of 11,348