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:
Dec. 02, 2003
Filed:
Dec. 21, 2001
Gerald Höfer, Langerringen, DE;
Herbert Zojer, Villach, AT;
Stephan Wimösterer, Munich, DE;
Infineon Technologies AG, Munich, DE;
Abstract
Codec circuit for increasing the data transmission rate in a modem transmission with a first programmable digital filter ( ) which is connected into a transmission signal path of the Codec circuit, a second programmable digital filter ( ) which is connected into a reception signal path of the Codec circuit, a modem signal detection device ( ) for detecting whether the transmission signal which is output on the transmission signal path or the reception signal which is received on the reception signal path is a modem signal, the modem signal detection device ( ) switching the first and second digital filters ( ) to a widened filter bandwidth when a modem signal is detected.