| US 7,599,724 B2 | ||
| Portable terminal having sliding case | ||
| Jin-woo Cho, Seongnam-si (Korea, Republic of); Jun-tai Kim, Yongin-si (Korea, Republic of); Sangchul Ko, Seoul (Korea, Republic of); Young-tae Kim, Seongnam-si (Korea, Republic of); and Jung-ho Kim, Yongin-si (Korea, Republic of) | ||
| Assigned to Samsung Electronics Co., Ltd., Suwon-si (Korea, Republic of) | ||
| Filed on Mar. 28, 2006, as Appl. No. 11/390,202. | ||
| Claims priority of application No. 10-2005-0034016 (KR), filed on Apr. 25, 2005. | ||
| Prior Publication US 2006/0240881 A1, Oct. 26, 2006 | ||
| Int. Cl. H04W 88/02 (2009.01); H04M 1/03 (2006.01) | ||
| U.S. Cl. 455—575.4 [455/350] | 26 Claims |
| 1. A portable terminal comprising:
a body case including a button operation unit and a circuit unit;
at least one sliding case which is slidably connected to the body case to protrude from the body case and forms a closed,
empty void with the body case when the at least one sliding case protrudes, the empty void being a resonance chamber which
amplifies sound produced therein; and
at least one speaker which is installed in the resonance chamber formed by the sliding case and the body case when the at
least one sliding case protrudes.
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