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US 6,646,217 B2Granted
Tactile switch
AssigneeCitizen Electronics Co., Ltd.
InventorKazuki Omata
Life of this patent
Estimating the term…
Abstract
An annular first fixed contact is provided on a substrate, and a second fixed contact is provided on the substrate within the first fixed contact. A spherical spring contact having legs is mounted on the first fixed contact by the legs.
Claims4
A tactile switch comprising,
- substrate having an upper side and an underside;
- an annular first fixed contact provided on the upper side of the substrate;
- a second fixed contact provided on the upper side of the substrate within the first fixed contact;
- an angular spacer mounted on the upper side of the substrate and the first fixed contact;
- a spherical spring contact having legs contacted with the first fixed contact, each of the legs being engaged with a recess formed in the spacer;
- and
- terminal electrodes provided on the underside of the substrate;
- wherein the second fixed contact is connected to one of the terminal electrodes by a conductive pattern passing through a passage formed in the first fixed contact and a space formed between the legs.
5 more elements
Dependencies are inferred from the claim text.