G09C

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Description

CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY (secret communication H04K; arrangements for transmitting secret digital information H04L 9/00)

Subclasses

Not Available
Subclass Title
1/00 Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system (cryptographic typewriters G09C 3/00)
1/02 Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system (cryptographic typewriters G09C 3/00) by using a ciphering code in chart form
1/04 Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system (cryptographic typewriters G09C 3/00) with sign carriers or indicators moved relative to one another to positions determined by a permutation code or key, so as to indicate the appropriate corresponding clear or ciphered text
1/06 Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system (cryptographic typewriters G09C 3/00) wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member
1/08 Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system (cryptographic typewriters G09C 3/00) wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member the connections being mechanical

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Recent Patents

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Recent Publications

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Publication #TitleFiling DatePub DatePatent Owner
2020/0013,316 Information Encryption Method and Device Mar 23, 18 Jan 09, 20 , Beijing Jingdong Shangke Information Technology Co., Ltd.; BEIJING JINGDONG CENTURY TRADING CO., LTD.;
2020/0013,069 LIGHT-BASED DATA ENTRY FOR PERSONAL INVENTORY AND PRODUCT SUPPORT SYSTEM Jun 24, 19 Jan 09, 20 , Not available
2019/0394,038 SEARCHABLE ENCRYPTION METHOD Nov 15, 17 Dec 26, 19 , Not available
2019/0392,970 Methods of Making Physical Unclonable Functions Having Magnetic Particles Aug 27, 19 Dec 26, 19 , Not available

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Patents Issued To Date - By Filing Year

Average Time to Issuance

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