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:
Jul. 31, 2001
Filed:
Feb. 04, 1999
Applicant:
Inventors:
Adam M. Chellali, Richardson, TX (US);
Yaqi Cheng, Las Vega, NV (US);
Walter Y. Chen, Franklin, MA (US);
Michael O. Polley, Richardson, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/100 ;
U.S. Cl.
CPC ...
H04M 1/100 ;
Abstract
A splitterless DSL modem (,) with an integrated off-hook detector (,) prevents data loss and/or disconnections as a voiceband device (,) coupled to the same transmission line (,) transition between steady states. The splitterless DSL modem (,) include a DSP (,), an interface (,) to a twisted pair wire line (,), signal converters (,), and various filters (,). The off-hook detector circuit (,) can be coupled to the interface (,) on the analog side of the DSL modem (,) or on the digital side of the signal converters (,).