| US 7,547,857 B2 | ||
| Keypad assembly for portable terminal | ||
| Sang-Yul Kim, Suwon-si (Korea, Republic of); and Bum-Lai Cho, Suwon-si (Korea, Republic of) | ||
| Assigned to Samsung Electronics Co., Ltd., Suwon-Si (Korea, Republic of) | ||
| Filed on Dec. 26, 2006, as Appl. No. 11/616,067. | ||
| Claims priority of application No. 10-2006-0037158 (KR), filed on Apr. 25, 2006. | ||
| Prior Publication US 2007/0246341 A1, Oct. 25, 2007 | ||
| Int. Cl. H01H 13/14 (2006.01) | ||
| U.S. Cl. 200—520 [200/5 A] | 17 Claims |
| 1. A keypad assembly, comprising:
a first keypad assembly comprising a first substrate having a first opening; and
a second keypad assembly comprising a second substrate and a single stick, the single stick being disposed on the second substrate,
wherein the single stick extends through the first opening, and the second substrate contacts directly a lower surface of
the first substrate,
wherein the single stick extends through the first opening, and the second substrate contacts directly a lower surface of
the first substrate,
wherein the second substrate comprises a second printed circuit board and a second metal dome disposed on a lower surface
of the second printed circuit board, and
wherein the second metal dome convexly protrudes downward from the lower surface of the second printed circuit board.
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