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:
Dec. 04, 1984
Filed:
Dec. 13, 1982
Applicant:
Inventors:
Robert H Beeman, Berkeley, IL (US);
Stanley J Chmura, Elmhurst, IL (US);
Assignee:
GTE Automatic Electric Inc., Northlake, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
1791 / ; 324 / ;
Abstract
An arrangement for monitoring the admittance of a line during a frequency sweep is disclosed which upon detection of the characteristic admittance level determines the loaded or unloaded status of a transmission line. Output logic associated with detection circuits provides a digital indication of the status detected.