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Patent Searching and Data


Title:
LUMINOUS DIAL STRUCTURE FOR TIMEKEEPER
Document Type and Number:
Japanese Patent JPH0743477
Kind Code:
A
Abstract:

PURPOSE: To provide a luminous dial structure for a timekeeper which is comparatively high in brightness, sufficiently long in a visual identification time and rich in ornamentation.

CONSTITUTION: A lot of recess parts are engraved on the upper face of a metal- made lower face plate 2. These recess parts is filled with a light accumulativity luminous agent 6 whose surface is painted with a clear lacquer 7. A semitransparent ground glass-made upper face member 3 is bonded on the surface of the clear lacquer with an adhesive agent. Time indication scale is printed on the upper face of the upper face member 3. In a dark place, the lattice-like divided light accumulativity luminous agent 6 illuminates the glass-made upper face member 3 from the rear.


Inventors:
AKASAKA MASAYUKI
Application Number:
JP18522893A
Publication Date:
February 14, 1995
Filing Date:
July 27, 1993
Export Citation:
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Assignee:
SEIKO CORP
International Classes:
G04B19/10; G04B19/32; G04B19/06; (IPC1-7): G04B19/32; G04B19/06; G04B19/10
Domestic Patent References:
JPS6071977A1985-04-23
JPH04180990A1992-06-29
JPS60151250A1985-08-09
JP4045987B
JPS5912077B21984-03-21
JP3070390B
JP59064523B
Attorney, Agent or Firm:
Kazuo Sato (3 others)