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:
Jun. 16, 1981
Filed:
Jul. 02, 1979
Applicant:
Inventors:
Wolfgang Benckendorff, Peissenberg, DE;
Hans Kubler, Munich, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ; G08B / ;
U.S. Cl.
CPC ...
340506 ; 340508 ; 340518 ; 340531 ; 340533 ; 340537 ; 307 / ; 324 66 ; 3391 / ; 174112 ; 1791 / ;
Abstract
In an alarm system, differently colored leads of the connection cable between the individual distributors are respectively assigned to different current paths according to a random sequence. By providing this association, targeted manipulations at the connection lines of the signal lines are prevented.
Quick Actions:
Benckendorff, Wolfgang. (1981). Security alarm system (U.S. Patent No. 4274086). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4274086
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