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US 4,922,070 AGranted
Switch assembly
AssigneeMotorola, Inc.
InventorDale W. Dorinski
Life of this patent
Estimating the term…
Abstract
A switch assembly includes a housing 25 having a recess 26 with switch contacts 23 in the recess. A flexible sheet 21 is affixed to the housing and covers the recess. The flexible sheet carries a conductive contact 22. When the sheet is depressed, its contact engage the contacts in the recess to complete an electrical circuit. The housing can be formed as a molded plastic member with the switch contacts being formed on the plastic member.
Claims5
A switch assembly comprising:
- a housing member having first and second recessed areas, the first recessed area being located within the second recessed area;
- conductive traces providing contacts on the housing member within the first recessed area;
- the housing member including plated through holes connected to said contacts;
- and
- a flexible sheet affixed to the housing member, within the second recessed area and over the first recessed area, the sheet including a conductive area located over said contacts and engageable with the contacts when the flexible sheet is depressed.
2 more elements
Dependencies are inferred from the claim text.