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:
May. 28, 2002
Filed:
Mar. 11, 1999
John S. Petty, Chapel Hill, NC (US);
I. Nelson Wakefield, Cary, NC (US);
Ericsson Inc., Research Triangle Park, NC (US);
Abstract
A method and apparatus multiplexes pins of a PC card ( ) to provide communication of two-way, high quality audio data between the PC card and a host computer ( ) over a conventional PC card connector. The PC card includes one or more signal drivers ( ), each signal driver coupled to a unidirectional signal line conventionally conveying address data from the host computer to the PC card. The signal drivers are configured to provide data signals to the signal line for communication to the host computer in an active mode and to enter a high impedance state in an inactive mode in response to a control signal received at a control input ( ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile