Patents Represented by Law Firm Dennison, Mererole, Scheiner & Schultz
  • Electromagnetic sound generator
    Patent number: 6023518
    Abstract: A case is formed by an upper case and a lower case, and a buzzer is provided in the case. Two coil springs are securely mounted in holes formed in the lower case. A lower portion of the coil spring is projected from an underside of the lower case. A pair of leads electrically connect both ends of the coil to the coil springs, respectively.
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: February 8, 2000
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Atsushi Kuwabara, Masato Asahina