Telephone interface for mask
First Claim
Patent Images
1. An interface unit for use with a personal protection device and a telephone;
- the interface unit having a mounting portion adapted for mounting on the personal protection device; and
the interface unit including a microphone and a speaker adapted for use by a wearer of the personal protection device when the interface unit is mounted on the personal protection device;
the interface unit having a duplex output adapted for electrical connection with the telephone.
4 Assignments
0 Petitions
Accused Products
Abstract
A telephone interface unit enables a user of a personal protection device, such as a mask, to speak and hear over a standard telephone, without removing the personal protection device.
42 Citations
22 Claims
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1. An interface unit for use with a personal protection device and a telephone;
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the interface unit having a mounting portion adapted for mounting on the personal protection device; and
the interface unit including a microphone and a speaker adapted for use by a wearer of the personal protection device when the interface unit is mounted on the personal protection device;
the interface unit having a duplex output adapted for electrical connection with the telephone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. Apparatus comprising:
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a personal protective device;
an interface unit for mounting on the device; and
an amplifier for connecting the interface unit with a telephone;
the interface unit including a microphone and a speaker adapted for use by a wearer of the device when the interface unit is mounted on the device;
the interface unit also having an output for connection with the amplifier. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification