Patents by Inventor Takao Nakai

Takao Nakai 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: 20070086767
    Abstract: A CPU 11 in a digital camera 1 determines that the photography environment is dark and includes a spot light source, in the case where the number of pixels that have a higher luminosity than a first threshold to the total number of pixels in the focus area exceeds a first certain proportion and the number of pixels that have a lower luminosity than a second threshold to the total number of pixels in the focus area exceeds a second certain proportion, on the basis of a luminosity signal Y which has been acquired. Subsequently, the CPU 11 reads out a coefficient value of a cut-off frequency from a memory 110, inputs it to an HPF 9 thereby setting the cut-off frequency fc higher.
    Type: Application
    Filed: October 11, 2006
    Publication date: April 19, 2007
    Applicant: Casio Computer Co., Ltd.
    Inventor: Takao Nakai
  • Publication number: 20060171699
    Abstract: In a digital camera, a focus lens is moved at a low speed between a timing at which a shutter key is half pressed and a timing at which the shutter key is fully pressed to detect a focused position. When the shutter key is fully pressed by a user before the focus lens reaches a focused position, the focus lens is moved at a higher speed than that of a case in which the shutter key is half pressed, and a focused position is detected. Thereby, even when the shutter key is fully pressed by a user before the focus lens reaches the focused position, the digital camera can realize focusing with less delay in capturing.
    Type: Application
    Filed: January 26, 2006
    Publication date: August 3, 2006
    Applicant: Casio Computer Co., Ltd.
    Inventors: Takao Nakai, Akira Miyata
  • Patent number: 5516987
    Abstract: The present invention is relates to a high strength solid insulator, and a method of manufacturing the same. The solid insulator is made of cristobalite porcelain containing cristobalite crystals in an amount of less than 10%, in which internal strain in the direction of compression in a columnar insulator body is larger in the diametrically outer portion thereof than in the diametrically inner portion thereof, and the difference Y in internal strain between the outer peripheral portion and diametrically central portion of the insulator body is defined by Y.gtoreq.(1.76.times.10.sup.-6) X, wherein X (mm) represents the diameter of the insulator body. The method of manufacturing the solid insulator is characterized in that a sintered insulator body is quenched to increase the difference in internal strain between the inner and outer portions of the insulator body.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: May 14, 1996
    Assignee: NGK Insulators, Ltd.
    Inventors: Hiromu Itoh, Makio Yamaguchi, Naohito Itoh, Takao Nakai, Shigeo Mori
  • Patent number: 5369161
    Abstract: A process for insulating high voltage conducting media by insulating such media with a silicone rubber composition capable of being converted to a rubbery elastomer superior in high voltage electrical insulating characteristics is provided. The composition comprises the following components (a) to (e) and not containing a platinum catalayst:(a) 100 parts by weight of an organopolysiloxane gum;(b) 10-100 parts by weight of a finely divided silica filler;(c) 15-300 parts by weight of aluminum hydroxide;(d) 1-20 parts by weight of a OH terminated organosilane or organosiloxane oligomer; and(e) 0.05-6 parts by weight of an organic peroxide.
    Type: Grant
    Filed: December 22, 1992
    Date of Patent: November 29, 1994
    Assignees: NGK Insulators, Ltd., Dow Corning Toray Silicone Co., Ltd.
    Inventors: Shigehiko Kunieda, Shigeo Ishino, Takao Nakai, Kazuo Hirai, Takao Matsushita, Kazuhide Takeshita
  • Patent number: 3980272
    Abstract: A fire and smoke damper for installation in a duct which includes a plate rotatably mounted within the duct and having means enclosing the periphery of the plate and biased outwardly to engage the duct wall when the damper is in the closed position.
    Type: Grant
    Filed: January 15, 1975
    Date of Patent: September 14, 1976
    Assignee: Nittan Company, Limited
    Inventors: Takao Nakai, Isamu Shimonomura, Isao Nakayama, Yoshiyuki Yoshii