ES478865A1 - Un aparato de teclado de matriz optica. - Google Patents
Un aparato de teclado de matriz optica.Info
- Publication number
- ES478865A1 ES478865A1 ES478865A ES478865A ES478865A1 ES 478865 A1 ES478865 A1 ES 478865A1 ES 478865 A ES478865 A ES 478865A ES 478865 A ES478865 A ES 478865A ES 478865 A1 ES478865 A1 ES 478865A1
- Authority
- ES
- Spain
- Prior art keywords
- detector
- light source
- light
- key actuator
- optical
- 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
Links
- 230000003287 optical effect Effects 0.000 abstract 4
- 238000005286 illumination Methods 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/968—Switches controlled by moving an element forming part of the switch using opto-electronic devices
- H03K17/969—Switches controlled by moving an element forming part of the switch using opto-electronic devices having a plurality of control members, e.g. keyboard
Landscapes
- Input From Keyboards Or The Like (AREA)
- Electronic Switches (AREA)
Abstract
Un aparato de teclado de mátriz óptica, que comprende: por lo menos una fuente luminosa, medios para conformar la luz emitida por dicha fuente luminosa a modo de rayo luminoso, al menos un actuador de tecla móvil, dispuestos para que se encuentre en un plano común con dicho rayo luminoso ; por lo menos un detector óptico para generar una señal eléctrica en respuesta a la iluminación de dicho detector por la luz procedente de dicha fuente luminosa, estando posicionado dicho detector a lo lardo ge una linea que interseca dicha posición del actuador de tecla y dicho rayo luminoso, y un divisor de rayo parcialmente reflector/transmisor, conectando a dicho miembro actuador de techa para ser movido al ser accionado dicho actuador de tecla llevándolo a dicha trayectoria óptica, en la intersección de las líneas que conectan dicha fuente luminosa y dicho detector óptico, y orientado de manera que refleje una parte de dicho rayo hacia dicho detector y transmita una parte de dicho rayo hacia dicho detector y transmita una parte de dicho rayo a otras de las citadas posiciones de actuador de tecla dispuestas colinealmente con respecto a dicha fuente luminosa.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88976078A | 1978-03-24 | 1978-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES478865A1 true ES478865A1 (es) | 1979-06-01 |
Family
ID=25395741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES478865A Expired ES478865A1 (es) | 1978-03-24 | 1979-03-22 | Un aparato de teclado de matriz optica. |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0004520A1 (es) |
| JP (1) | JPS54128629A (es) |
| AU (1) | AU4534579A (es) |
| BR (1) | BR7901789A (es) |
| DK (1) | DK120379A (es) |
| ES (1) | ES478865A1 (es) |
| FI (1) | FI790943A7 (es) |
| IT (1) | IT1166668B (es) |
| NO (1) | NO790937L (es) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4379968A (en) * | 1980-12-24 | 1983-04-12 | Burroughs Corp. | Photo-optical keyboard having light attenuating means |
| DE3307334A1 (de) * | 1983-03-02 | 1984-09-06 | Krone Gmbh, 1000 Berlin | Opto-elektrische tastatur |
| USRE33422E (en) * | 1984-02-02 | 1990-11-06 | Optically activated keyboard for digital system | |
| US4641026A (en) * | 1984-02-02 | 1987-02-03 | Texas Instruments Incorporated | Optically activated keyboard for digital system |
| HU191736B (en) * | 1984-12-21 | 1987-04-28 | Peter Ozorai | Method and optoelectronic keyboard for generating input signals of electronic apparatuses |
| WO1987002529A1 (en) * | 1985-10-18 | 1987-04-23 | Radice Peter F | Pyroelectric keyboard |
| FR2597988A1 (fr) * | 1986-04-25 | 1987-10-30 | Souloumiac Alain | Amelioration des claviers optiques a balayage matriciel |
| DE3700856A1 (de) * | 1987-01-14 | 1988-07-28 | Telefunken Electronic Gmbh | Optoelektronische tastatur |
| WO1989001720A1 (en) * | 1987-08-21 | 1989-02-23 | Pennwalt Corporation | Pyroelectric keyboard |
| DE4109517A1 (de) * | 1991-03-22 | 1992-09-24 | Holger Guenther Dr Frenzel | Tastatur |
| WO2016134560A1 (zh) * | 2015-02-27 | 2016-09-01 | 东莞市长资实业有限公司 | 光电一体式机械轴键盘开关模组 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3609713A (en) * | 1969-01-14 | 1971-09-28 | Ncr Co | Data entry means |
| US3648050A (en) * | 1970-08-06 | 1972-03-07 | Tuh Kai Koo | Optoelectronic data entry means having plurality of control means to direct part of radiation in channel from radiation source to output channel |
| US3775560A (en) * | 1972-02-28 | 1973-11-27 | Univ Illinois | Infrared light beam x-y position encoder for display devices |
-
1979
- 1979-01-04 EP EP79430003A patent/EP0004520A1/fr not_active Withdrawn
- 1979-02-01 JP JP974879A patent/JPS54128629A/ja active Pending
- 1979-02-27 IT IT20570/79A patent/IT1166668B/it active
- 1979-03-20 FI FI790943A patent/FI790943A7/fi not_active Application Discontinuation
- 1979-03-20 NO NO790937A patent/NO790937L/no unknown
- 1979-03-22 ES ES478865A patent/ES478865A1/es not_active Expired
- 1979-03-22 AU AU45345/79A patent/AU4534579A/en not_active Abandoned
- 1979-03-23 DK DK120379A patent/DK120379A/da unknown
- 1979-03-23 BR BR7901789A patent/BR7901789A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK120379A (da) | 1979-09-25 |
| NO790937L (no) | 1979-09-25 |
| IT1166668B (it) | 1987-05-06 |
| FI790943A7 (fi) | 1979-09-25 |
| EP0004520A1 (fr) | 1979-10-03 |
| JPS54128629A (en) | 1979-10-05 |
| BR7901789A (pt) | 1979-11-20 |
| AU4534579A (en) | 1979-09-27 |
| IT7920570A0 (it) | 1979-02-27 |
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