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:
Jun. 05, 1979
Filed:
Dec. 14, 1977
Alain Y Roche, Ker Heul - Lannion, FR;
Other;
Abstract
A serial-parallel converter converts serial mode 8-bit words, delivered from a plurality of primary digital multiplx highways into parallel mode 8-bit words and multiplexes the 8-bit words to form a signal for a supermultiplex highway. The converter comprises eight parallel-write, serial-read input shift registers and seven serial-write, serial-read output shift registers. The write inputs of the output shift registers are respectively connected to the serial output of the input shift registers having the same rank. The serial read outputs of the output shift registers deliver a serial output of the eighth input shift register to the supermultiplex highway. All of the input shift registers comprise eight stages. The output shift registers have decreasing numbers of stages from 7 down to 1. The writing operation, into input shift registers, and shifting operation through all registers are controlled by a single 8-stage shift register. That single shift register circuit may also be used for demultiplexing the signals on a supermultiplex highway and converting the resulting parallel-mode 8-bit words into serial-mode 8-bit words to be delivered to outgoing primary digital multiplex highways. That single shift register circuit is particularly well-suited for time division switching systems.