Resources Contact Us Home
Yoshida; Yasushi
Fukuoka, JP
No. of patents:

Patent Number Title Of Patent Date Issued
8258459 Optical encoder and motor system comprising dual decentered annular slits September 4, 2012
An optical encoder includes a rotation disc, an annular slit, a light source, an absolute-value-related detecting unit, and a signal processing device. The annular slit includes a first annular slit and a second annular slit which are decentered in a mutually different direction. The
8148674 Optical encoder for detecting relative rotation angle for two members April 3, 2012
An optical encoder, with a simple structure, that can output a high-precision origin signal is provided. Rotary origin phase slits (112), which are formed into a pattern of linear slits arranged in parallel at equal pitches, are prepared for a rotary disk (110), while fixed origin ph
7496462 Encoding signal processing device and signal processing method therefor February 24, 2009
An encoder signal processing device comprising an A/D converter converting a periodic analog signal, a memory storing position detection error information and a computing unit including a position data calculator which calculates position data from the digital data and an error corre

  Recently Added Patents
Methods and devices for enforcing network access control utilizing secure packet tagging
Providing a feedback loop in a low latency serial interconnect architecture
Adhesive structure of optical device, adhesion method, and optical pickup device
Wireless control kit for camera
Systems, methods, and apparatus to determine physical location and routing within a field of low power beacons
Watch chain
Integrated touch screen
  Randomly Featured Patents
Sensitive rotating viscometer instrument with a staggered multiple head array
Wall plate
Hydrogen detector
Electrical connector with geometrical continuity for transmitting very high frequency data signals
Metallic ion removal from phosphoric acid
Tracheostomy air filtration device
Three bearing flexible shaft for high speed turbomachinery
Spacing member
Agricultural implement and a vehicle combination having a sensor to detect the open condition of a cover
Dental masking product for teeth and gum