Title:
PUSH-BUTTON OPERATING SYSTEM
Document Type and Number:
Japanese Patent JPH03179624
Kind Code:
A
Abstract:
PURPOSE: To illuminate an operation button at high luminance by introducing the light emitted from plural light emitting diodes mutually separately arranged in the circumferential direction, to a ring part through an upper part of a light ring member. CONSTITUTION: This system is composed of a ring part 24 which is formed of a photoconductive construction material and is positioned in an upper end part, a light ring member 2 having an upper part 27 having the solid inside of the same construction material and a bottom part, an operation button 1 arranged in the light ring member 2 and plural light emitting diodes 3 mutually separately arranged in the circumferential direction of the bottom part. In this case, the light from the plural light emitting diodes 3 is transmitted to the ring part 24 through the upper part 27. Therefore, a button operator can easily and visually observe an on/off condition of the operation button 1.
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Inventors:
RICHIYAADO BII PORASETSUKU
SUCHIIBUN BII DEIBISU
SUCHIIBUN BII DEIBISU
Application Number:
JP17849790A
Publication Date:
August 05, 1991
Filing Date:
July 05, 1990
Export Citation:
Assignee:
OTIS ELEVATOR CO
International Classes:
G09F13/20; B66B3/00; H01H9/16; H01H13/02; H03K17/18; H03K17/96; G09F13/22; (IPC1-7): G09F13/20; H01H13/02
Attorney, Agent or Firm:
Fujiya Shiga (1 person outside)