BE686217A - - Google Patents
Info
- Publication number
- BE686217A BE686217A BE686217DA BE686217A BE 686217 A BE686217 A BE 686217A BE 686217D A BE686217D A BE 686217DA BE 686217 A BE686217 A BE 686217A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/09—Digital output to typewriters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
- H03M11/02—Details
-
- 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)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Input From Keyboards Or The Like (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US488494A US3308918A (en) | 1965-09-20 | 1965-09-20 | Pseudo-interlock employing strobe signal with selected keys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE686217A true BE686217A (xx) | 1967-02-01 |
Family
ID=23939888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE686217D BE686217A (xx) | 1965-09-20 | 1966-08-31 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3308918A (xx) |
| BE (1) | BE686217A (xx) |
| CH (1) | CH456682A (xx) |
| DE (1) | DE1462703B2 (xx) |
| ES (1) | ES331322A1 (xx) |
| FR (1) | FR1490409A (xx) |
| GB (1) | GB1098684A (xx) |
| NL (1) | NL6613173A (xx) |
| SE (1) | SE319513B (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1060878A (en) * | 1965-06-18 | 1967-03-08 | Creed & Co Ltd | Code generating keyboards |
| DE1524260A1 (de) * | 1966-06-23 | 1970-01-29 | Walther Bueromasch Gmbh | Elektronische Tastatur |
| US3624292A (en) * | 1967-12-06 | 1971-11-30 | Scm Corp | Communication system including an answer-back message generator and keyboard |
| US3675239A (en) * | 1970-09-14 | 1972-07-04 | Ncr Co | Unlimited roll keyboard circuit |
| USRE31942E (en) * | 1971-03-01 | 1985-07-09 | High speed serial scan and readout of keyboards | |
| US3932838A (en) * | 1971-04-23 | 1976-01-13 | General Electric Company | Method and apparatus for controlling circuitry with a plurality of switching means |
| US3772597A (en) * | 1972-05-19 | 1973-11-13 | Collins Radio Co | Code transmission system |
| EP0095023A3 (en) * | 1982-05-20 | 1985-04-10 | International Business Machines Corporation | Contact keyboard with finger controlled n-key rollover |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2234263A (en) * | 1938-08-31 | 1941-03-11 | Ibm | Data checking means |
| US2644038A (en) * | 1951-04-12 | 1953-06-30 | Bell Telephone Labor Inc | Keyboard mechanism for teletypewriters |
| US2737647A (en) * | 1952-10-25 | 1956-03-06 | Monroe Calculating Machine | Keyboard alarm |
| US2716230A (en) * | 1952-11-08 | 1955-08-23 | Monroe Calculating Machine | Keyboard checking alarm |
| US3117219A (en) * | 1960-12-21 | 1964-01-07 | Honeywell Regulator Co | Electrical circuit operation monitoring apparatus |
-
1965
- 1965-09-20 US US488494A patent/US3308918A/en not_active Expired - Lifetime
-
1966
- 1966-08-12 GB GB36170/66A patent/GB1098684A/en not_active Expired
- 1966-08-18 FR FR7999A patent/FR1490409A/fr not_active Expired
- 1966-08-31 BE BE686217D patent/BE686217A/xx unknown
- 1966-09-13 DE DE19661462703 patent/DE1462703B2/de not_active Withdrawn
- 1966-09-16 SE SE12517/66A patent/SE319513B/xx unknown
- 1966-09-17 ES ES0331322A patent/ES331322A1/es not_active Expired
- 1966-09-19 NL NL6613173A patent/NL6613173A/xx unknown
- 1966-09-19 CH CH1347066A patent/CH456682A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3308918A (en) | 1967-03-14 |
| DE1462703A1 (de) | 1969-03-27 |
| ES331322A1 (es) | 1967-07-01 |
| NL6613173A (xx) | 1967-03-21 |
| FR1490409A (fr) | 1967-07-28 |
| SE319513B (xx) | 1970-01-19 |
| CH456682A (de) | 1968-07-31 |
| GB1098684A (en) | 1968-01-10 |
| DE1462703B2 (de) | 1970-12-23 |