Patents by Inventor Eiji Okita

Eiji Okita 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).

  • Mounting structure for an electroacoustic transducer
    Patent number: 7561684
    Abstract: In a portable telephone, the front side of a back casing is covered with a front casing. A circuit substrate is housed in a housing concave portion of the back casing and the front side of the circuit substrate is covered with a waterproof type keypad sheet material. The outer edge section of the waterproof type keypad sheet material is fastened between the outer edge section of the back casing and the outer edge section of the front casing. A mounting hole is formed in the waterproof type keypad sheet material and a microphone holder is inserted into the mounting hole. A microphone is mounted in the microphone holder, a waterproof membrane is affixed on the end face of the microphone holder and a small opening of the microphone holder is blocked by the waterproof membrane.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: July 14, 2009
    Assignee: Casio Hitachi Mobile Communications Co., Ltd.
    Inventors: Fumio Tsutaichi, Eiji Okita
  • Mounting structure for an electroacoustic transducer
    Publication number: 20060258325
    Abstract: In a portable telephone, the front side of a back casing is covered with a front casing. A circuit substrate is housed in a housing concave portion of the back casing and the front side of the circuit substrate is covered with a waterproof type keypad sheet material. The outer edge section of the waterproof type keypad sheet material is fastened between the outer edge section of the back casing and the outer edge section of the front casing. A mounting hole is formed in the waterproof type keypad sheet material and a microphone holder is inserted into the mounting hole. A microphone is mounted in the microphone holder, a waterproof membrane is affixed on the end face of the microphone holder and a small opening of the microphone holder is blocked by the waterproof membrane.
    Type: Application
    Filed: March 17, 2006
    Publication date: November 16, 2006
    Applicant: Casio Hitachi Mobile Communications Co., Ltd.
    Inventors: Fumio Tsutaichi, Eiji Okita