# US 8,149,575 B2 · Waterproof electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,149,575 B2 - Document ID: US8149575B2 - Status: Granted - Kind: B2 - Application number: 12/468,139 - Filed: 2009-05-19 - Published: 2010-01-21 - Granted: 2012-04-03 - Earliest claimed: 2008-07-21 - Assignees: FIH (Hong Kong) Limited - Inventors: Mu-Wen Yang; Chih-Chiang Chang - Web page: https://patentgrep.com/patent/US8149575B2 ## CPC - H01H 13/86: characterised by the casing, e.g. sealed casings or casings reducible in size - H05K 5/06: Hermetically-sealed casings {(specially adapted for small components H05K5/0095)} - H01H 2223/002: sealed - H01H: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B7/10; electrolytic self-interrupters H01G9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K17/00) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A waterproof electronic device includes an upper shell and a lower shell configured for detachably and hermetically assembling with the upper shell. At least one of the upper shell and lower shell comprising a rubber layer disposed thereon to hermetically assemble with each other. The invention further provides a method for making the waterproof electronic device. ## Claims ### Claim 1 A waterproof electronic device comprising: an upper shell comprising a first flange protruding from the edge of the inner surface thereof; and a lower shell configured for detachably and hermetically assembling with the upper shell, the lower shell comprising a stepped groove corresponding to the first flange of the upper shell; wherein the bottom of the stepped groove includes a rubber layer defined thereon. ### Claim 2 (depends on 1) The waterproof electronic device as claimed in claim 1, wherein the lower shell includes a base board and a surrounding wall extending from the outer edge of the base board; the surrounding wall defines the stepped groove disposed at an inner side of an extending end thereof. ### Claim 3 (depends on 1) The waterproof electronic device as claimed in claim 1, wherein the first flange is made of soft and elastic material. ### Claim 4 (depends on 1) The waterproof electronic device as claimed in claim 1, wherein the upper shell further includes a keyboard hole defined there through; the waterproof electronic device further includes a keyboard being hermetically accommodated and assembled within the keyboard hole. ### Claim 5 (depends on 4) The waterproof electronic device as claimed in claim 4, wherein the upper shell further includes a substantially ring shape first stepped groove recessed from the inner surface thereof, the first stepped groove surrounds and communicates with the keyboard hole, the keyboard being tightly and hermetically assembled within the keyboard hole. ### Claim 6 (depends on 5) The waterproof electronic device as claimed in claim 5, wherein the keyboard includes a pressing board with a plurality of keys disposed on a surface thereof, the surround edged of the pressing board forms a rubber flange corresponding to the rubber layer of the upper shell for hermetically assemble with each other. ### Claim 7 (depends on 6) The waterproof electronic device as claimed in claim 6, wherein the opposite surface of the pressing board includes a plurality of posts protruding therefrom corresponding to the keys respectively; the keyboard further includes an inducing board fixed to the upper shell, the inducing board includes a plurality of inducing switches disposed thereon corresponding to the posts of the pressing board, the pressing board is sandwiched between the inducing board and the upper shell. ### Claim 8 (depends on 6) The waterproof electronic device as claimed in claim 6, wherein the inducing board includes a main body and four positioning blocks disposed at the four corners of the main body respectively, the four positioning blocks extend from the four corners of the main body respectively and are parallel to the main body, each positioning block defines an assembling hole therethrough, the upper shell further includes four fixing poles disposed on the inner surface thereof adjacent to the four corners of the stepped groove corresponding to assembling holes of the inducing board respectively, to fix the keyboard to the upper shell. ### Claim 9 (depends on 5) The waterproof electronic device as claimed in claim 5, wherein the bottom of the first stepped groove includes a first rubber layer defined thereon. ### Claim 10 A waterproof electronic device comprising: an upper shell with a keyboard hole defined there through, the upper shell comprising a substantially ring shape first stepped groove recessed from an inner surface thereof, the first stepped groove surrounding and communicating with the keyboard hole; a lower shell configured for detachably and hermetically assembling with the upper shell; and a keyboard being hermetically accommodated and assembled within the keyboard hole; wherein at least one of the upper shell and lower shell comprising a rubber layer disposed thereon to hermetically assemble with each other. ### Claim 11 (depends on 10) The waterproof electronic device as claimed in claim 10, wherein the lower shell comprising a base board and a surrounding wall extending from the outer edge of the base board; the surrounding wall comprises a stepped groove disposed at an inner side of an extending end thereof to tightly latch with the upper shell. ### Claim 12 (depends on 11) The waterproof electronic device as claimed in claim 11, wherein the upper shell is substantially rectangular board shape and includes a first flange protruding from the edge of the inner surface thereof for hermetically assembling with the lower shell. ### Claim 13 (depends on 10) The waterproof electronic device as claimed in claim 10, wherein the upper shell and lower shell are manufactured with double-shot mold.