Patents Represented by Attorney Kratz, Kqintos & Hanson, LLP
  • Patent number: 8207653
    Abstract: A piezoelectric generating apparatus includes a plurality of piezoelectric bodies arranged at intervals via a gap. Each of the plurality of piezoelectric bodies includes a fixed end and a free end. A first surface electrode is formed on one side of each of the plurality of piezoelectric bodies, and a second surface electrode is formed on an opposite side of each of the plurality of piezoelectric bodies. A weight spans the plurality of piezoelectric bodies and attached to the free ends of the plurality of piezoelectric bodies. The plurality of piezoelectric bodies are curved upon application of acceleration to the weight from the outside in a lateral direction.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: June 26, 2012
    Assignee: Fujitsu Limited
    Inventors: Kazuaki Kurihara, Shigeyoshi Umemiya, Tsuyoshi Aoki