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Rochkind; Mark M.
Greenwich, CT
No. of patents:

Patent Number Title Of Patent Date Issued
5625677 Simultaneous voice and data communications April 29, 1997
An improvement in providing simultaneous voice and data communication is achieved by provisioning within the public switched telephone network one or more simultaneous voice/data (SVD) modems that a) can communicate with SVD modems of the network users over a single "plain old telephone
5513251 Method for providing call waiting service April 30, 1996
The disruption on the data channel caused by use of the conventional call waiting feature with simultaneous voice/data (SVD) modems, when the data channel is active, is overcome by employing SVD modems in the public switched telephone network and supplying the call waiting signal over on
5428608 Call connection technique June 27, 1995
In an environment in which simultaneous voice/data (SVD) modems are provisioned in the public switched network for separating and separately routing voice and data calls from users having SVD modems, at least one user who is already employing a first connection through an SVD modem p

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