GB511240A - Improvements in or relating to keyboards for stenographic recording or typewriting machines - Google Patents

Improvements in or relating to keyboards for stenographic recording or typewriting machines

Info

Publication number
GB511240A
GB511240A GB30497/38A GB3049738A GB511240A GB 511240 A GB511240 A GB 511240A GB 30497/38 A GB30497/38 A GB 30497/38A GB 3049738 A GB3049738 A GB 3049738A GB 511240 A GB511240 A GB 511240A
Authority
GB
United Kingdom
Prior art keywords
keyboards
relating
typewriting machines
stenographic recording
stenographic
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
GB30497/38A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB511240A publication Critical patent/GB511240A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/26—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for stenographic writing
GB30497/38A 1937-04-17 1938-04-07 Improvements in or relating to keyboards for stenographic recording or typewriting machines Expired GB511240A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US511240XA 1937-04-17 1937-04-17
US511214XA 1937-04-17 1937-04-17
US836653XA 1937-04-17 1937-04-17

Publications (1)

Publication Number Publication Date
GB511240A true GB511240A (en) 1939-08-15

Family

ID=27367909

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30497/38A Expired GB511240A (en) 1937-04-17 1938-04-07 Improvements in or relating to keyboards for stenographic recording or typewriting machines

Country Status (1)

Country Link
GB (1) GB511240A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000083A (en) * 1977-03-31 1979-01-04 Pcd Maltron Ltd Keyboard arrangement
DE3401976A1 (en) * 1983-01-21 1984-07-26 Laitram Corp TOUCH COMPUTER KEYBOARDS
US4891777A (en) * 1983-05-11 1990-01-02 The Laitram Corporation Single hand keyboard arrays providing alphanumeric capabilities from twelve keys
US4994992A (en) * 1983-04-26 1991-02-19 The Laitram Corporation Contoured touch type data processing keyboard
US5289394A (en) * 1983-05-11 1994-02-22 The Laitram Corporation Pocket computer for word processing

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000083A (en) * 1977-03-31 1979-01-04 Pcd Maltron Ltd Keyboard arrangement
GB2000083B (en) * 1977-03-31 1982-01-13 Pcd Maltron Ltd Keyboard arrangement
DE3401976A1 (en) * 1983-01-21 1984-07-26 Laitram Corp TOUCH COMPUTER KEYBOARDS
GB2133745A (en) * 1983-01-21 1984-08-01 Laitram Corp Increasing keyboard functions by depressing a plurality of keys simultaneously
GB2149946A (en) * 1983-01-21 1985-06-19 Laitram Corp Computer keyboard
US4994992A (en) * 1983-04-26 1991-02-19 The Laitram Corporation Contoured touch type data processing keyboard
US4891777A (en) * 1983-05-11 1990-01-02 The Laitram Corporation Single hand keyboard arrays providing alphanumeric capabilities from twelve keys
US5289394A (en) * 1983-05-11 1994-02-22 The Laitram Corporation Pocket computer for word processing

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