NL277886A - - Google Patents
Info
- Publication number
- NL277886A NL277886A NL277886DA NL277886A NL 277886 A NL277886 A NL 277886A NL 277886D A NL277886D A NL 277886DA NL 277886 A NL277886 A NL 277886A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K21/00—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
- G06K21/04—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed optically, e.g. peek-a-boo system
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- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Input From Keyboards Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB15910/61A GB943880A (en) | 1961-05-02 | 1961-05-02 | Improvements in or relating to electrical signal code generating equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
NL277886A true NL277886A (es) |
Family
ID=10067754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL277886D NL277886A (es) | 1961-05-02 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3253087A (es) |
GB (1) | GB943880A (es) |
NL (1) | NL277886A (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3603982A (en) * | 1969-05-02 | 1971-09-07 | Ncr Co | Data entry means |
CH505432A (de) * | 1969-07-08 | 1971-03-31 | Ciba Geigy Ag | Verfahren zur Feststellung des Vorhandenseins aller für ein Arbeitsprogramm vorgeschriebenen Informationskarten und Vorrichtung zur Durchführung dieses Verfahrens |
US3676689A (en) * | 1970-12-30 | 1972-07-11 | Ibm | Optical code generating apparatus |
DE2139543B2 (de) * | 1971-08-06 | 1974-03-07 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Fotoelektrische Tastatur für Dateneingabegeräte oder dergleichen |
US3856127A (en) * | 1972-11-24 | 1974-12-24 | U Halfon | Photo-optical keyboard |
US4795900A (en) * | 1986-03-27 | 1989-01-03 | Sadao Kokubu | Optical switch device employing a fluorescent substance with a radioactive element as a light source |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB469809A (en) * | 1936-01-31 | 1937-08-03 | Creed & Co Ltd | Improvements in or relating to telegraph keyboard transmitters |
US2408754A (en) * | 1944-07-27 | 1946-10-08 | Teleregister Corp | Photoelectric transmitting typewriter apparatus |
US2438825A (en) * | 1945-06-16 | 1948-03-30 | Trans Lux Corp | Selector |
US2709001A (en) * | 1952-10-10 | 1955-05-24 | Walter A Stahl | Sorting stamp |
US2953300A (en) * | 1957-01-22 | 1960-09-20 | Edward D O'brian | Tabulating constructions |
US3017463A (en) * | 1959-04-10 | 1962-01-16 | Bendix Corp | Keyboard apparatus |
-
0
- NL NL277886D patent/NL277886A/xx unknown
-
1961
- 1961-05-02 GB GB15910/61A patent/GB943880A/en not_active Expired
-
1962
- 1962-04-30 US US191188A patent/US3253087A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3253087A (en) | 1966-05-24 |
GB943880A (en) | 1963-12-11 |