FR1198707A - Dispositif électronique de codage et de décodage de signaux par multiplication - Google Patents
Dispositif électronique de codage et de décodage de signaux par multiplicationInfo
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Software Systems (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR757398 | 1958-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1198707A true FR1198707A (fr) | 1959-12-09 |
Family
ID=8705654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1198707D Expired FR1198707A (fr) | 1958-02-04 | 1958-02-04 | Dispositif électronique de codage et de décodage de signaux par multiplication |
Country Status (6)
Country | Link |
---|---|
US (1) | US3085163A (xx) |
CH (1) | CH363681A (xx) |
DE (1) | DE1097484B (xx) |
FR (1) | FR1198707A (xx) |
GB (1) | GB905382A (xx) |
NL (1) | NL130279C (xx) |
Families Citing this family (1)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE975610C (de) * | 1939-02-14 | 1962-02-22 | Siemens Ag | Einrichtung zur Spannungsregelung von Wechselstromkreisen mit gleichstromvormagnetisierten Drosselspulen |
NL189000B (nl) * | 1953-07-30 | Gen Electric | Werkwijze ter bereiding van aromatische bis(etherftaalzuuranhydriden). | |
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 |
-
1958
- 1958-02-04 FR FR1198707D patent/FR1198707A/fr not_active Expired
-
1959
- 1959-01-22 CH CH6861459A patent/CH363681A/fr unknown
- 1959-01-30 US US790156A patent/US3085163A/en not_active Expired - Lifetime
- 1959-02-02 DE DEC18318A patent/DE1097484B/de active Pending
- 1959-02-03 NL NL235718A patent/NL130279C/xx active
- 1959-02-04 GB GB3950/59A patent/GB905382A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL130279C (xx) | 1970-12-16 |
DE1097484B (de) | 1961-01-19 |
CH363681A (fr) | 1962-08-15 |
GB905382A (en) | 1962-09-05 |
US3085163A (en) | 1963-04-09 |
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