CH283257A - Telegraph device control keypad. - Google Patents
Telegraph device control keypad.Info
- Publication number
- CH283257A CH283257A CH283257DA CH283257A CH 283257 A CH283257 A CH 283257A CH 283257D A CH283257D A CH 283257DA CH 283257 A CH283257 A CH 283257A
- Authority
- CH
- Switzerland
- Prior art keywords
- device control
- control keypad
- telegraph device
- telegraph
- keypad
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
- H04L13/16—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of transmitters, e.g. code-bars, code-discs
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Input From Keyboards Or The Like (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB283257X | 1948-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH283257A true CH283257A (en) | 1952-05-31 |
Family
ID=10273887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH283257D CH283257A (en) | 1948-04-05 | 1949-04-01 | Telegraph device control keypad. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2559637A (en) |
CH (1) | CH283257A (en) |
FR (1) | FR984178A (en) |
GB (1) | GB652113A (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2684718A (en) * | 1950-06-15 | 1954-07-27 | Ibm | Card punching machine |
US2752414A (en) * | 1952-09-16 | 1956-06-26 | Teletype Corp | Answer back device for printing telegraph systems |
US2874369A (en) * | 1953-08-20 | 1959-02-17 | Sperry Rand Corp | Machine for recording on magnetic tape |
US2980228A (en) * | 1954-09-28 | 1961-04-18 | Int Standard Electric Corp | Selective blocking device for office typewriter keyboard |
US2859276A (en) * | 1955-04-26 | 1958-11-04 | Joseph J Saykay | Apparatus for key operated mechanisms |
US2946850A (en) * | 1957-09-04 | 1960-07-26 | Sperry Rand Corp | Decoding mechanism for multiple codes |
NL256795A (en) * | 1959-10-14 | |||
DE1131728B (en) * | 1961-04-01 | 1962-06-20 | Standard Elektrik Lorenz Ag | Key levers for teleprinters |
US3226477A (en) * | 1963-06-24 | 1965-12-28 | Teletype Corp | Code generating mechanism |
DE1436714A1 (en) * | 1963-08-27 | 1969-01-09 | Siemens Ag | Method and device for switching the function assignment of keys with double assignment |
US3306417A (en) * | 1964-05-04 | 1967-02-28 | Olivetti & Co Spa | Keyboard mechanism for generating code with selectable code member sets |
DE1235369B (en) * | 1964-07-30 | 1967-03-02 | Siemens Ag | Keypad for teleprinters for generating character fonts |
US3324985A (en) * | 1966-01-14 | 1967-06-13 | Ibm | Encoder |
DE1289866B (en) * | 1968-01-11 | 1969-02-27 | Standard Elektrik Lorenz Ag | Device for the automatic insertion of the type group change characters in hand-held transmitters of telex technology or the like. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB406703A (en) * | 1932-09-02 | 1934-03-03 | Creed & Co Ltd | Improvements in telegraph keyboard controlled apparatus |
GB422134A (en) * | 1933-07-07 | 1935-01-07 | Creed & Co Ltd | Improvements in or relating to keyboard controlled telegraph apparatus |
-
1948
- 1948-04-05 GB GB9462/48A patent/GB652113A/en not_active Expired
-
1949
- 1949-04-01 CH CH283257D patent/CH283257A/en unknown
- 1949-04-01 US US84864A patent/US2559637A/en not_active Expired - Lifetime
- 1949-04-04 FR FR984178D patent/FR984178A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2559637A (en) | 1951-07-10 |
GB652113A (en) | 1951-04-18 |
FR984178A (en) | 1951-07-03 |
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