Patents by Inventor Sawako Ehara

Sawako Ehara 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).

  • Display with improved frame surrounding display element
    Patent number: 5247291
    Abstract: Disclosed herein is a display to be applied to a digital switch. This display includes a casing (1) formed of a box-type casing (2) and a cover (3), a display element (8) facing a display window (2b) accommodated in the casing (1), a printed wiring board (9) for supporting the display element (8), and a printed wiring board (14) which is connected to the printed wiring board (9) and on which a control circuit (16) for displaying an external input signal on the display element (8), and the like are mounted. At the front portion of the casing (1) is formed frames 11a and 11b extending over a display face (8) of the display element (8), and thus a portion of the printed wiring board (9) which is located at the outer periphery of the display element (8) cannot be seen from the outside. A conductive pattern (18) for discharging a static electricity is provided on the printed wiring board (9), corresponding to a region in which the frames (11a, 11b) engaged with each other.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: September 21, 1993
    Assignee: Omron Tateisi Electronics Co.
    Inventors: Shoji Kazusaka, Kouji Ohmori, Sawako Ehara