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:
Mar. 24, 1987
Filed:
Oct. 07, 1983
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B / ; H04Q / ;
U.S. Cl.
CPC ...
340539 ; 340543 ; 340 63 ; 34082569 ; 34082522 ; 34082531 ; 3408255 ; 180287 ; 361171 ; 455 92 ;
Abstract
A security installation with a portable transmitter and a receiver arranged at the object to be protected for an IR, respectively, UHF code signal which is changeable at least in part; alone the code signal of the transmitter can be changed upon random command and can be written into the associated storage device of the transmitter.