Metal cover for portable electronic device
Patent Information
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- SONY ERICSSON MOBILE COMM AB
- Publication Date
- 2009-08-20
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
TECHNICAL FIELD
[0001] The present invention relates generally to the field of casings or covers for portable electronic devices and, more particularly, to metal casings or covers for mobile terminals.BACKGROUND ART
[0002] The first commercially attractive mobile phones or terminals were introduced in the market at the end of the 1980's. Since then, a lot of effort has been made in making smaller terminals, with much help from miniaturization of electronic components. Today, numerous manufacturers offer pocket-sized terminals with a wide variety of capabilities and services.
[0003] In order to attract customers the terminal manufactures have therefore taken further measures to strengthen their position in the competition, one such being to offer terminals with attractive covers.
[0004] Most mobile phone covers are made of plastic material, since they are easy and cheap to manufacture. In addition, a plastic cover is insufficiently hard and is vulnerable to cracking in collisions. Plastic co...