ELECTRONIC DEVICE WITH KEYPAD ASSEMBLY

• US 20130153386A1
• Filed: 10/16/2012
• Published: 06/20/2013
• Est. Priority Date: 12/17/2011
• Status: Abandoned Application

• Current Assignee: Chi Mei Communication Systems Incorporated (Hon Hai Precision Industry Co., Ltd.), Shenzhen Futaihong Precision Industry Company Limited (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Chi Mei Communication Systems Incorporated (Hon Hai Precision Industry Co., Ltd.), Shenzhen Futaihong Precision Industry Company Limited (Hon Hai Precision Industry Co., Ltd.)
• Inventors: LI, GUO-DONG
• Application Number:
  US13/653,111
• Publication Number:
  US 20130153386A1
• Time in Patent Office: Days
• US Class Current: 200/5.A
• CPC Class Codes: H01H 13/83 characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
• CPC Class Codes: H01H 2211/00 Spacers
• CPC Class Codes: H01H 2219/062 Light conductor

Abstract

A keypad assembly is attached to a housing of an electronic device. The housing defines a plurality of key holes, the keypad assembly including an elastic sheet and a number of key caps. The elastic sheet includes a number of key bodies and a number of contacts formed at opposite surfaces thereof. The elastic sheet is positioned at a first side of the housing, and the key bodies extend through the key holes. The key caps are positioned at a second side of the housing, and are mounted on the key bodies.

Claims

1. A keypad assembly attached to a housing of an electronic device, the housing defining a plurality of key holes, the keypad assembly comprising:

an elastic sheet directly positioned at a first side of the housing, the housing including a plurality of key bodies and a plurality of contacts formed at opposite surfaces thereof, the key bodies extending through the key holes; and

a plurality of key caps directly positioned at a second side of the housing, and mounted on the key bodies.

2. The keypad assembly as claimed in claim 1, wherein the housing is made of opaque material, and includes a main plate, a first end, a second end and two side portions, the main plate is substantially a flat plate, the second end and the two side portions are substantially coplanar with the main plate, the key caps are coplanar with the second end and the side portions.

3. The keypad assembly as claimed in claim 2, wherein the key caps are made of plastic, and the elastic sheet is made of rubber.

4. The keypad assembly as claimed in claim 1, wherein the key caps are adhered on the key bodies with ultraviolet glue.

5. An electronic device comprising:

a housing defining a plurality of key holes;

a keypad assembly comprising;

an elastic sheet including a plurality of key bodies and a plurality of contacts formed at opposite surfaces thereof, the elastic sheet positioned at a first side of the housing, the key bodies extending through the key holes; and

a plurality of key caps positioned at a second side of the housing, and mounted on the key bodies.

6. The electronic device as claimed in claim 5, wherein the housing is made of opaque material, and includes a main plate, a first end, a second end and two side portions, the main plate is substantially a flat plate, the second end and the two side portions are substantially coplanar with the main plate, the key caps are coplanar with the second end and the side portions.

7. The electronic device as claimed in claim 6, wherein the key caps are made of plastic, and the elastic sheet is made of rubber.