Patents by Inventor Michiko YAMASAKI

Michiko YAMASAKI 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).

  • Projector light source having an airflow collision position above a light emission portion
    Patent number: 8820938
    Abstract: A light source device includes: an arc tube having a light emission portion containing a pair of electrodes and configured to emit light by discharges induced between the pair of the electrodes; and a container body that accommodates the arc tube, the container body has a space in which the arc tube is accommodated, and a plurality of openings through that cooling fluids introduced from the outside of the container body are supplied into the space, the plural openings are formed at positions that allow the cooling fluids passing through the openings to collide with each other at a collision position above the light emission portion.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: September 2, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Kazuhiro Tanaka, Hiroshi Yamanoi, Michiko Yamasaki, Hiroshi Onodera, Yuichiro Iwama, Toshizo Nishi
  • LIGHT SOURCE DEVICE AND PROJECTOR
    Publication number: 20110234987
    Abstract: A light source device includes: an arc tube having a light emission portion containing a pair of electrodes and configured to emit light by discharges induced between the pair of the electrodes; and a container body that accommodates the arc tube, the container body has a space in which the arc tube is accommodated, and a plurality of openings through that cooling fluids introduced from the outside of the container body are supplied into the space, the plural openings are formed at positions that allow the cooling fluids passing through the openings to collide with each other at a collision position above the light emission portion.
    Type: Application
    Filed: March 23, 2011
    Publication date: September 29, 2011
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazuhiro TANAKA, Hiroshi YAMANOI, Michiko YAMASAKI, Hiroshi ONODERA, Yuichiro IWAMA, Toshizo NISHI