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. 31, 1988
Filed:
Jan. 28, 1987
Chin-Pan Wong, Davie, FL (US);
Racal Data Communications Inc., Sunrise, FL (US);
Abstract
Disclosed is a modem including a transmitter having a convolutional encoder for transforming each time unit digital data into an expanded bit sequence having symbol-selecting bits and subset-selecting bits, the transmitter further providing modulation of a carrier signal and a receiver wherein a Viterbi decoder determines the maximum likelihood path through a trellis from a plurality of surviving paths using a wraparound memory wherein in each addressable location indexed to a current state of a surviving path there is stored a previous state of that surviving path.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile