GB191305390A - Improvements in Machines for Enciphering and Deciphering Messages. - Google Patents

Improvements in Machines for Enciphering and Deciphering Messages.

Info

Publication number
GB191305390A
GB191305390A GB191305390DA GB191305390A GB 191305390 A GB191305390 A GB 191305390A GB 191305390D A GB191305390D A GB 191305390DA GB 191305390 A GB191305390 A GB 191305390A
Authority
GB
United Kingdom
Prior art keywords
shaft
levers
key
keys
dial
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
English (en)
Inventor
Erwin William Fuller
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191305390A publication Critical patent/GB191305390A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C3/00—Typewriters for ciphering or deciphering cryptographic text
    • G09C3/04—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member
    • G09C3/06—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member the connections being mechanical

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Input From Keyboards Or The Like (AREA)
GB191305390D 1912-03-08 1913-03-04 Improvements in Machines for Enciphering and Deciphering Messages. Expired GB191305390A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US191305390XA 1912-03-08 1912-03-08

Publications (1)

Publication Number Publication Date
GB191305390A true GB191305390A (en) 1914-03-04

Family

ID=32597277

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191305390D Expired GB191305390A (en) 1912-03-08 1913-03-04 Improvements in Machines for Enciphering and Deciphering Messages.

Country Status (3)

Country Link
DE (1) DE277503C (enrdf_load_stackoverflow)
FR (1) FR455233A (enrdf_load_stackoverflow)
GB (1) GB191305390A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE277503C (enrdf_load_stackoverflow)
FR455233A (fr) 1913-07-25

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