The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 1999
Filed:
Jan. 08, 1997
Joseph Quinn Chapman, Largo, FL (US);
Kurt Ervin Holmquist, Largo, FL (US);
Paradyne Corporation, Largo, FL (US);
Abstract
The present invention enables a dial modem capable of simultaneous voice and data (SVD) operation and connected to a conventional telephone set to automatically select between SVD operation, analog voice operation and digital data operation when transmitting or receiving communication signals based on the position of the telephone set's hookswitch. The invention includes a hookswitch position detector, connected to the telephone set, for sensing the current position of the hookswitch, and a signal controller, connected to the hookswitch position detector. The signal controller may be configured to enable either of two hookswitch control option settings. The hookswitch control option settings determine the manner in which the controller responds to the current hookswitch position ('on-hook' or 'off-hook') detected by the hookswitch position detector. The first hookswitch control option setting causes the signal controller to disable the initiation of SVD operation by the modem when originating and receiving calls if the hookswitch position detector indicates that the hookswitch position is 'off-hook.' The second hookswitch control option setting causes the signal controller to enable the initiation of SVD operation by the modem when originating and receiving calls if the hookswitch position detector indicates that the hookswitch position is 'off-hook.'