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:
Feb. 28, 1984
Filed:
Nov. 13, 1980
Charles E Huffman, Plano, TX (US);
Stephen R Southerland, Plano, TX (US);
Rockwell International Corporation, El Segundo, CA (US);
Abstract
A drop and insert channel bank is provided for receiving data from and inserting data onto a multichannel digital transmission line, such as a microwave radio link, between end terminals. The channel bank has a plurality of single channel units which share common equipment, including a receiver and a transmitter from and to the transmission line and a switching unit therebetween. The switching unit includes user controlled selection circuitry enabling any channel on the line to be dropped to any of the channel units, and enabling any channel to be inserted on the line from any of the channel units. Through-traffic passes through the receiver, switching unit and transmitter of the channel bank in digital form without conversion to and from analog form. Unidirectional and bidirectional modes are disclosed, including various forms of each.