RO96004B1 - Tastatura optoelectronica - Google Patents
Tastatura optoelectronicaInfo
- Publication number
- RO96004B1 RO96004B1 RO124070A RO12407086A RO96004B1 RO 96004 B1 RO96004 B1 RO 96004B1 RO 124070 A RO124070 A RO 124070A RO 12407086 A RO12407086 A RO 12407086A RO 96004 B1 RO96004 B1 RO 96004B1
- Authority
- RO
- Romania
- Prior art keywords
- phototransistors
- optoeletronic
- keyboard
- optoelectronic
- keypad
- Prior art date
Links
Landscapes
- Input From Keyboards Or The Like (AREA)
Abstract
Inventia se refera la o tastatura optoelectronica, utilizabila la realizarea consolelor pentru sistemele de calcul si pentru terminalele de introducere a datelor. Conform inventiei, tastatura optoelectronica, fig.1, este alcatuita din doua placi paralele, între care sunt asezate, putând culisa vertical, niste taste, prevazute cu niste canale interioare, orientate pe liniile si coloanele matricei, prin care trec fasciculele de lumina emise de niste LED-uri catre niste fototranzistori. la apasarea unei taste, se blocheaza fasciculele corespunzatoare liniei si coloanei ce o contin dând un nivel "1" logic la fototranzistorii corespunzatori, toti ceilalti fiind în "0" logic.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO124070A RO96004B1 (ro) | 1986-07-10 | 1986-07-10 | Tastatura optoelectronica |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO124070A RO96004B1 (ro) | 1986-07-10 | 1986-07-10 | Tastatura optoelectronica |
Publications (1)
Publication Number | Publication Date |
---|---|
RO96004B1 true RO96004B1 (ro) | 1989-04-02 |
Family
ID=40905009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO124070A RO96004B1 (ro) | 1986-07-10 | 1986-07-10 | Tastatura optoelectronica |
Country Status (1)
Country | Link |
---|---|
RO (1) | RO96004B1 (ro) |
-
1986
- 1986-07-10 RO RO124070A patent/RO96004B1/ro unknown
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