Electro-magnetic interference shield for a telephone handset
First Claim
Patent Images
1. A device for providing an electromagnetic interference (EMI) protected zone comprising:
- a base for attachment to a hand-held cellular telephone;
a flap comprising a metallic shielding laminated material; and
means for coupling said flap to said base for allowing displacement of said flap between a storage mode when said flap rests over said base, and an operating mode when said flap extends away from said base to form said EMI protected zone about a user'"'"'s ear.
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Accused Products
Abstract
An electromagnetic interference (EMI) shield for a handheld cellular phone that is particularly useful for shielding a hearing aid against EMI from the phone'"'"'s antenna. The device includes a base and a flap laminated with a metallic shielding. The base attaches to the receiver end of the cellular phone and the flap rests over the base when the phone is not in use. In operation, the flap extends away from the base forming an enclosure about the user'"'"'s ear for shielding the hearing aid from EMI when the phone is in use.
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Citations
18 Claims
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1. A device for providing an electromagnetic interference (EMI) protected zone comprising:
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a base for attachment to a hand-held cellular telephone; a flap comprising a metallic shielding laminated material; and means for coupling said flap to said base for allowing displacement of said flap between a storage mode when said flap rests over said base, and an operating mode when said flap extends away from said base to form said EMI protected zone about a user'"'"'s ear. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A device for shielding a hearing aid against electromagnetic interference (EMI), comprising:
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a base for attachment to a hand-held cellular telephone; a flap comprising a metallic shielding laminated material; and means for coupling said flap to said base for allowing displacement of said flap between a storage mode when said flap rests over said base, and an operating mode when said flap extends away from said base to form an EMI protected zone about a user'"'"'s ear. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification