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:
Jan. 28, 1986
Filed:
Oct. 24, 1983
Applicant:
Inventors:
Daniel Lecomte, Paris, FR;
Michel Gibaud, Herblay, FR;
Assignee:
Thomson CSF-Telephone, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q / ;
U.S. Cl.
CPC ...
370 58 ; 370 67 ;
Abstract
A PCM time division exchange with decentralized processing having a central processing unit connected by means of a switching network to several racks, each rack has a message microcontroller and several port cards. The message microcontroller is responsible for the signal dialogue between the different ports and it exchanges telephone messages with the central processing unit.