GB1500900A - Pulse code generators - Google Patents

Pulse code generators

Info

Publication number
GB1500900A
GB1500900A GB31124/72A GB3112472A GB1500900A GB 1500900 A GB1500900 A GB 1500900A GB 31124/72 A GB31124/72 A GB 31124/72A GB 3112472 A GB3112472 A GB 3112472A GB 1500900 A GB1500900 A GB 1500900A
Authority
GB
United Kingdom
Prior art keywords
data
store
cypher
tape
scanning device
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
GB31124/72A
Other languages
English (en)
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.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of GB1500900A publication Critical patent/GB1500900A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
  • Analogue/Digital Conversion (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Manipulation Of Pulses (AREA)
  • Burglar Alarm Systems (AREA)
GB31124/72A 1971-11-15 1972-07-03 Pulse code generators Expired GB1500900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2156635A DE2156635C1 (de) 1971-11-15 1971-11-15 Elektrische Schaltung

Publications (1)

Publication Number Publication Date
GB1500900A true GB1500900A (en) 1978-02-15

Family

ID=5825158

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31124/72A Expired GB1500900A (en) 1971-11-15 1972-07-03 Pulse code generators

Country Status (11)

Country Link
US (1) US4163870A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE784915A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1049149A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2156635C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK378572A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2368840A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1500900A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1019536B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
LU (1) LU65978A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL155697B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO139987C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002388A1 (en) * 1977-12-05 1979-06-13 International Business Machines Corporation Data processing terminal

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047837B (de) * 1955-01-26 1958-12-31 Hell Rudolf Dr Ing Fa Verfahren zur Herstellung von verlaengerten Schluesselstreifen sehr grosser Periode
NL110769C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1955-01-26
US3162725A (en) * 1962-01-23 1964-12-22 William M Oleson Character generator
US3307174A (en) * 1963-01-21 1967-02-28 Burroughs Corp Pulse generating circuits
NL129405C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1963-03-26
US3361875A (en) * 1964-07-10 1968-01-02 Computing Devices Canada Apparatus for generating a telegraph signal
DE1549067A1 (de) * 1967-12-18 1971-01-28 Siemens Ag Verfahren zum Erzeugen von binaeren Zahlenreihen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002388A1 (en) * 1977-12-05 1979-06-13 International Business Machines Corporation Data processing terminal

Also Published As

Publication number Publication date
US4163870A (en) 1979-08-07
NO297572L (no) 1977-10-19
NL155697B (nl) 1978-01-16
DK378572A (da) 1982-05-17
IT1019536B (it) 1977-11-30
NO139987B (no) 1979-03-05
CA1049149A (en) 1979-02-20
DE2156635C1 (de) 1978-04-27
FR2368840B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-10-12
BE784915A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-02-24
FR2368840A1 (fr) 1978-05-19
NO139987C (no) 1979-06-13
LU65978A1 (de) 1984-03-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee