Patents by Inventor Yasunori Kawata

Yasunori Kawata has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5553297
    Abstract: A programmable controller is disclosed that incorporates a sequence control program adapted to input and output information to a variety of local intelligent appliances at a high velocity and a high efficiency in the field of factory automation for efficiently controlling factory production lines or the field of process automation for controlling multiple industrial processes. Provided for this purpose is an improved a change-over system associated with a 1-bit processor and an ordinary processor for executing the sequence control program. Also improved are functions for a user to particularly specify a BASIC program, software/hardware control functions for a group of I/O boards for transferring signals to receiving signals from the local appliances, and the ability to program the internally stored sequence control program.
    Type: Grant
    Filed: September 9, 1993
    Date of Patent: September 3, 1996
    Assignee: Yokogawa Electric Corporation
    Inventors: Masaaki Yonezawa, Kiyoshi Hasegawa, Yasunori Kawata, Kouji Matsuoka, Takasi Kadowaki
  • Patent number: 4870590
    Abstract: A manufacturing line control system wherein the hardware region of a main memory is divided on basis of different pieces of information to be stored, the main memory being in a CPU board within a line computer which synthetically judges and processes data transmitted from a manufacturing line; and access control portions are disposed on each of the regions for performing high speed access upon instruction of identical page by a microprocessor. Various analog signal, digital signal and status signal issued from a product passing through the manufacturing line are inputted from the line computer into various equipment installed on the manufacturing line, and control signals are transmitted to the various equipment by a line controller including an input-output portion with which a plurality of card equipment is detachably provided for the application of various types of manufacturing line.
    Type: Grant
    Filed: January 22, 1988
    Date of Patent: September 26, 1989
    Assignee: Yokogawa Electric Corporation
    Inventors: Yasunori Kawata, Fujio Kanno