Patents by Inventor Yasuyoshi Nakajima

Yasuyoshi Nakajima 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).

  • Publication number: 20080088366
    Abstract: The present invention is directed to shorten time required to establish a connection and enable information to be actually transmitted/received in a noncontact IC card adaptable to a plurality of communication methods. A semiconductor integrated circuit device of the invention includes: a single demodulating circuit capable of demodulating an input signal; a plurality of sampling circuits each capable of sampling output signals of the demodulating circuit synchronously with a predetermined clock signal; a plurality of detection circuits capable of detecting headers of output signals of the corresponding sampling circuits; a plurality of processing circuits capable of performing a predetermined data process on the basis of detection results of the corresponding detection circuits; and a communication method determining circuit capable of determining a match to a preset communication method from results of the header detection by the plurality of detection circuits.
    Type: Application
    Filed: December 5, 2007
    Publication date: April 17, 2008
    Inventors: Yutaka NAKADAI, Yasuyoshi Nakajima, Norihisa Yamamoto, Toshiaki Shibata
  • Patent number: 7309018
    Abstract: A semiconductor integrated circuit includes a demodulating circuit, a plurality of sampling circuits each capable of sampling output signals of the demodulating circuit, a plurality of detection circuits capable of detecting headers of output signals of the sampling circuits, a plurality of processing circuits capable of performing a predetermined data process based on the detection results of the detection circuits, and a circuit capable of determining a match to a preset communication method from results of the header detection by the detection circuits. By performing processes adapted to different communication methods in parallel, time required to establish a connection and enable information to be transmitted/received is reduced.
    Type: Grant
    Filed: July 19, 2005
    Date of Patent: December 18, 2007
    Assignees: Renesas Technology Corp., Hitachi Hybrid Network Co., Ltd.
    Inventors: Yutaka Nakadai, Yasuyoshi Nakajima, Norihisa Yamamoto, Toshiaki Shibata
  • Publication number: 20060038024
    Abstract: The present invention is directed to shorten time required to establish a connection and enable information to be actually transmitted/received in a noncontact IC card adaptable to a plurality of communication methods. A semiconductor integrated circuit device of the invention includes: a single demodulating circuit capable of demodulating an input signal; a plurality of sampling circuits each capable of sampling output signals of the demodulating circuit synchronously with a predetermined clock signal; a plurality of detection circuits capable of detecting headers of output signals of the corresponding sampling circuits; a plurality of processing circuits capable of performing a predetermined data process on the basis of detection results of the corresponding detection circuits; and a communication method determining circuit capable of determining a match to a preset communication method from results of the header detection by the plurality of detection circuits.
    Type: Application
    Filed: July 19, 2005
    Publication date: February 23, 2006
    Inventors: Yutaka Nakadai, Yasuyoshi Nakajima, Norihisa Yamamoto, Toshiaki Shibata
  • Patent number: 5895449
    Abstract: A singing sound-synthesizing apparatus sequentially synthesizes vocal sounds based on singing data including lyric data of a lyric formed of a plurality of phonemes and sounding data designating a sounding time period over which the lyric data is sounded. A designating device designates a predetermined voiced phoneme from the plurality of phonemes of the lyric data. A sounding control device carries out sounding control such that sounding of the predetermined voiced phoneme designated by the designating device is started within the sounding time period designated for the plurality of phonemes by the sounding data and continued until the sounding time period designated for the plurality of phonemes elapses. In another form, ones of phoneme parameter sets and ones of coarticulation parameter sets corresponding to signing data are read from a phoneme data storing the phoneme parameter sets and the coarticulation parameter sets.
    Type: Grant
    Filed: July 22, 1997
    Date of Patent: April 20, 1999
    Assignee: Yamaha Corporation
    Inventors: Yasuyoshi Nakajima, Masahiro Koyama
  • Patent number: 5744741
    Abstract: A plurality of digital signal processors are provided in parallel relation to each other, and a series of operations for desired sound signal synthesis or processing is divided into a plurality of operation groups to be allocated to the signal processors. First and second buses are connected to each of the signal processors so that parameters necessary for the operations are distributively supplied to the signal processors via the first bus and the operation result of each of the signal processors is transferred to another digital signal processor or an output port via the second bus. One digital signal processor receives the output data from another digital signal processor via the second bus so as to perform a predetermined operation using the received data. The desired sound signal processing is thus executed by combinations of the operations performed by such signal processors.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: April 28, 1998
    Assignee: Yamaha Corporation
    Inventors: Yasuyoshi Nakajima, Masahiro Koyama
  • Patent number: 5298675
    Abstract: The electronic musical instrument has synthesis means operative according to given tone control parameters for effecting a musical tone synthesis to generate a musical tone. Register means is provided for registering first data of a lower class and second data of an upper class in hierarchical data structure so as to constitute the tone control parameters. The first data is effective, at least, to define a timbre of a musical tone to be generated. The second data designates a plurality of the first data, effective to control the musical tone synthesis according to different timbres which are defined by the plurality of the first data. Edit means is provided for revising selectively the registered first data. Display means is provided for selectively indicating the second data which is associated to the first data to be revised in order for management of the hierarchical data structure.
    Type: Grant
    Filed: September 24, 1992
    Date of Patent: March 29, 1994
    Assignee: Yamaha Corporation
    Inventors: Tetsuo Nishimoto, Yasuyoshi Nakajima
  • Patent number: 4865794
    Abstract: A method of integrally molding a member to be molded onto a portion of a rigid member, which method is applied to manufacture of a connecting rod used in a crank device of a wiper system in a motor vehicle, for example. In this method of molding, a portion to be positioned is formed in the rigid member, a portion of the rigid member is inserted into a cavity for molding the member to be molded in such a manner that the portion to be positioned is exposed in the cavity, positioning members linearly movably provided in this cavity are engaged with this portion to be positioned to effect positioning, the positioning members are retracted to the outside of the portion to be positioned after the positioning, and thereafter, a molding material is poured into the cavity to mold the member to be molded.
    Type: Grant
    Filed: April 11, 1988
    Date of Patent: September 12, 1989
    Assignee: Mitsuba Electric Manufacturing Co., Ltd.
    Inventors: Yasuyoshi Nakajima, Takao Umezawa, Takashi Momiyama, Yoichi Inoue