Antennas and their making methods and electronic devices or timepieces with the antennas
AssigneeCasio Computer Co., Ltd.
InventorsHiroyuki Sonoda, Shunji Minami
Life of this patent
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Abstract
A thin antenna 20 having a satisfactory length, its making method, and an electronic device such as a wristwatch having such antenna. The antenna 20 is formed on a lower surface of a transparent plate 5 by printing an ornamental layer 22 on a lower surface of the transparent plate 5, forming a conductive ink layer 23 on the ornamental layer 22, and further forming plated metal layers 24, 25 on the conductive ink layer 23. Since the antenna 20 is thin as a whole, it may be provided within a small electronic device such as a wristwatch.
Claims13
an antenna comprising:
- a transparent plate;
- a conductive ink layer formed by printing on said transparent plate;
- and
- a metal layer plated on said conductive ink layer.
An antenna making method comprising the steps of:
- forming a conductive ink layer by printing on a transparent plate;
- and
- forming a metal layer by plating on said conductive ink layer.
An antenna making method comprising the steps of:
- forming an ornamental layer of an opaque insulating ink by printing on a transparent plate;
- forming a conducting ink layer by printing on said ornamental layer;
- and
- forming a metal layer by plating on said conductive ink layer.
An electronic device comprising:
- a transparent plate disposed in an opening formed in a device case;
- an antenna comprising a conductive ink layer formed on said transparent plate and a metal layer plated on the conductive ink layer;
- and
- processing means disposed within the device case for processing a signal received by the antenna.
An electronic timepiece comprising:
- a case having an opening therein;
- a transparent plate disposed in the opening in said case;
- an opaque insulating ink layer formed by printing along the periphery of a lower surface of said transparent plate;
- an antenna comprising a conducting ink layer formed on said insulating ink layer and a metal layer plated on said conducting ink layer;
- and
- processing means disposed within said case for processing a signal received by said antenna.
Dependencies are inferred from the claim text.