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US 7,873,394 B2Granted
Self contained keypad assembly
AssigneeSymbol Technologies, Inc.
InventorsFrank Gong, Curt D. Croley, Joseph Garcia, Jr.
Life of this patent
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Abstract
Systems and methodologies are provided for fabrication of a self contained key pad module having a top cover and a bottom cover. The top cover and the bottom cover encapsulate and/or sandwich a stack of keypad components via an over mold procedure that is performed around the stack. The packed stack between the top cover and the bottom cover can include a flex member, an electro luminous panel, and a silicone membrane with a plurality of keys thereupon.
Claims21
A key pad assembly comprising:
- a top cover placed over a stack of keypad components;
- a bottom cover placed under the stack;
- the top cover and the bottom cover defining a common perimeter;
- and
- an over molded portion that extends around the perimeter to form a self contained key pad unit.
2 more elements
A method of fabricating a self contained key pad comprising:
- sandwiching a plurality of key pad components between a top cover and a bottom cover, the top cover and bottom cover defining a common perimeter;
- and
- inserting molding around the perimeter for encapsulating the top cover and the bottom cover.
A self contained key pad comprising:
- a stack comprising:
- a membrane with a plurality of keys placed thereupon,
- a printed circuit board positioned beneath the membrane;
- a top cover placed over the stack;
- and
- a bottom cover placed under the stack, the top cover and the bottom cover define a common boundary around the stack, the common boundary over molded to encapsulate the stack between the bottom cover and the top cover.
3 more elements
Dependencies are inferred from the claim text.