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. 02, 1986
Filed:
Dec. 13, 1982
Wernhard Markwitz, Munich, DE;
Edward Kaeser, Olching, DE;
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Abstract
In order to prevent bit combinations which are assigned to specific control characters from arising when ciphering characters, transmittable characters which consist of a part of the ciphered character and fill characters are generated from the ciphered characters. When the ciphered characters respectively consists of m binary characters, respectively small n binary characters from a sequence of ciphered characters are provided with (m-n) fill characters and combined to form the transmittable characters. The binary values of the fill characters are selected in such a manner that no undesired control characters occur within the transmittable characters and given specific sequence of transmittable characters.