DE568789C - Kapseln zum Aufsetzen auf die Tasten von Schreibmaschinen - Google Patents

Kapseln zum Aufsetzen auf die Tasten von Schreibmaschinen

Info

Publication number
DE568789C
DE568789C DEW84978D DEW0084978D DE568789C DE 568789 C DE568789 C DE 568789C DE W84978 D DEW84978 D DE W84978D DE W0084978 D DEW0084978 D DE W0084978D DE 568789 C DE568789 C DE 568789C
Authority
DE
Germany
Prior art keywords
capsules
letters
group
type
letter
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
DEW84978D
Other languages
German (de)
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.)
GASTON EDWARD WILKINSON
Original Assignee
GASTON EDWARD WILKINSON
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 GASTON EDWARD WILKINSON filed Critical GASTON EDWARD WILKINSON
Application granted granted Critical
Publication of DE568789C publication Critical patent/DE568789C/de
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)
  • Input From Keyboards Or The Like (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Handling Of Sheets (AREA)
DEW84978D 1930-03-29 1931-02-01 Kapseln zum Aufsetzen auf die Tasten von Schreibmaschinen Expired DE568789C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB708928X 1930-03-29

Publications (1)

Publication Number Publication Date
DE568789C true DE568789C (de) 1933-01-25

Family

ID=10494207

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW84978D Expired DE568789C (de) 1930-03-29 1931-02-01 Kapseln zum Aufsetzen auf die Tasten von Schreibmaschinen

Country Status (4)

Country Link
BE (1) BE378566A (fr)
DE (1) DE568789C (fr)
FR (2) FR699759A (fr)
GB (1) GB381267A (fr)

Also Published As

Publication number Publication date
FR699759A (fr) 1931-02-19
FR708928A (fr) 1931-07-30
BE378566A (fr) 1931-04-30
GB381267A (en) 1932-10-06

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