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Portable communications device with wireless transmitter and detachable earpiece including a wireless receiver

  • US 5,881,149 A
  • Filed: 09/06/1996
  • Issued: 03/09/1999
  • Est. Priority Date: 01/06/1995
  • Status: Expired due to Fees
First Claim
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1. A portable communication device, comprising a first part and a second part, the first part being retained by the second part when not in use but being readily detached from the second part when in use, wherein the first part includes wireless receiving means for reception of a communication signal and speaker means for audio reproduction of a received communication signal, the first part being in the form of an ear piece self supportable on the ear of a user of the device without contacting any other portion of the user'"'"'s head;

  • and a second part constituted by the body of said device exclusive of said first part, said second part including wireless transmission means for transmitting a communication signal to the wireless receiving means of the first part and means including a first microphone for conversion of sound into a communication signal and a second, auxiliary microphone which is more sensitive than the first microphone and becomes effective upon detachment of said first part from the second part;

    there being no transmission means in said first part, whereby said first part is sufficiently compact and light to be supported on the user'"'"'s ear following detachment from said second part.

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