FR1198707A - Electronic device for encoding and decoding signals by multiplication - Google Patents

Electronic device for encoding and decoding signals by multiplication

Info

Publication number
FR1198707A
FR1198707A FR1198707DA FR1198707A FR 1198707 A FR1198707 A FR 1198707A FR 1198707D A FR1198707D A FR 1198707DA FR 1198707 A FR1198707 A FR 1198707A
Authority
FR
France
Prior art keywords
multiplication
encoding
electronic device
decoding signals
decoding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Pierre Burstow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Industrielle des Telephones SA
Original Assignee
Compagnie Industrielle des Telephones SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie Industrielle des Telephones SA filed Critical Compagnie Industrielle des Telephones SA
Application granted granted Critical
Publication of FR1198707A publication Critical patent/FR1198707A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00—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
    • G09C1/06—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 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
    • G09C1/10—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 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 electrical
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/16—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using saturable magnetic devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry
    • H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
FR1198707D 1958-02-04 1958-02-04 Electronic device for encoding and decoding signals by multiplication Expired FR1198707A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR757398 1958-02-04

Publications (1)

Publication Number Publication Date
FR1198707A true FR1198707A (en) 1959-12-09

Family

ID=8705654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1198707D Expired FR1198707A (en) 1958-02-04 1958-02-04 Electronic device for encoding and decoding signals by multiplication

Country Status (6)

Country Link
US (1) US3085163A (en)
CH (1) CH363681A (en)
DE (1) DE1097484B (en)
FR (1) FR1198707A (en)
GB (1) GB905382A (en)
NL (1) NL130279C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247460A (en) * 1962-11-29 1966-04-19 Collins Radio Co D. c. amplifier utilizing saturable cores

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975610C (en) * 1939-02-14 1962-02-22 Siemens Ag Device for voltage regulation of alternating current circuits with direct current pre-magnetized choke coils
NL189000B (en) * 1953-07-30 Gen Electric PROCESS FOR PREPARING AROMATIC BIS (ETHERPHTALIC ANHYDRIDES).
US2846667A (en) * 1954-05-17 1958-08-05 Librascope Inc Magnetic pulse controlling device
US2809303A (en) * 1956-06-22 1957-10-08 Westinghouse Electric Corp Control systems for switching transistors

Also Published As

Publication number Publication date
DE1097484B (en) 1961-01-19
CH363681A (en) 1962-08-15
GB905382A (en) 1962-09-05
US3085163A (en) 1963-04-09
NL130279C (en) 1970-12-16

Similar Documents

Publication Publication Date Title
CH348268A (en) Recording device including electronic calculator
CH375452A (en) Electronic device
FR1199235A (en) Electronic device for storing electrical signals
FR1233193A (en) Electronic travel device
FR1198707A (en) Electronic device for encoding and decoding signals by multiplication
FR1143916A (en) Electronic concentration device
BE579098A (en) Electronic telephony device.
FR1174841A (en) Electronic multiplication device
FR1180470A (en) Electronic marking device
FR1160893A (en) Electronic selection device
FR1259797A (en) Advanced signal storage device
FR1264496A (en) Electronic signal reception device
FR1189489A (en) Bistable electronic device
FR1239625A (en) Cryogenic electronic device
FR1199684A (en) Electronic counting device
FR1275449A (en) Electronic control device
FR1231859A (en) Advanced electronic counting device
FR1243276A (en) Electronic counting device
BE583722A (en) Electronic control device
FR1256555A (en) Electronic multiplication device
FR1294703A (en) Advanced signal separation device
FR1305118A (en) Electronic device
BE599291A (en) Electronic device
FR1294365A (en) Electronic counting method and device
FR1207677A (en) Electronic symbol reading device