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:
Nov. 17, 1987
Filed:
Jul. 07, 1986
Christian Duret, 92320 Chatillon, FR;
Francis Pirio, 75013 Paris, FR;
Other;
Abstract
Input and output equipment are provided for connecting first and second wideband signal transmission mediums through link equivalent to a balanced transmission line. The line can be made up of crosspoint cells includes in a wideband switching matrix, or can be a line distributed to intermediate equipments in a videocommuncation network. The input equipment includes means for separating high and low frequency signals included in the received wideband signals, means for transmitting the high frequency signals in differential mode, and means for transmitting the low frequency signals in High-Input Low-Output (HILO) mode. The output equipment includes means for taking the high and low frequency signals separately and means for summing the high and low frequency signals into wideband signals to be transmitted in the second medium.