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:
Sep. 22, 1992
Filed:
Mar. 28, 1990
Applicant:
Inventor:
Nigel P Dyer, Liverpool, L17 7BD, GB;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04G / ; H04J / ; H04J / ;
U.S. Cl.
CPC ...
370 16 ; 370 581 ;
Abstract
An electronic cross connect frame for an exchange or a multiplexor therefor is provided in which an analogue access matrix is provided for providing a limited number of spare cards or different cards to which any of the lines may be switched to provide a 'sparing' or alternative services.