Title:
THIN TYPE TIMEPIECE
Document Type and Number:
Japanese Patent JPS5956184
Kind Code:
A
Abstract:
PURPOSE: To decrease the number of a part and to reduce the thickness of a timepiece by forming a dial of an aluminum printed board, providing a time display to an aluminum base material surface, and fitting circuit parts to a copper foil surface.
CONSTITUTION: The dial 1 is made of the aluminum printed board. A scale and a numeral of the timepiece are printed on the surface of the aluminum base material. A circuit pattern is formed on the surface of the copper foil of the dial 1 and a crystal oscillator 2, an integrated circuit 3, a trimmer capacitor 4, a chip capacitor 6, etc., are soldered. Mechanical parts such as gears and a motor are arranged without overlapping the circuit part.
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Inventors:
MATSUMOTO AKIO
YAMADA TAKAO
YAMADA TAKAO
Application Number:
JP16807882A
Publication Date:
March 31, 1984
Filing Date:
September 25, 1982
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
G04C3/14; G04B19/06; G04C3/00; H05K1/02; (IPC1-7): G04B19/06; G04C3/14
Domestic Patent References:
JPS55138682A | 1980-10-29 |
Attorney, Agent or Firm:
Miyai Akio
Previous Patent: An exterior protect member for harness, and its manufacturing method
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