BR7207850D0 - Teclado codificador - Google Patents
Teclado codificadorInfo
- Publication number
- BR7207850D0 BR7207850D0 BR7850/72A BR785072A BR7207850D0 BR 7207850 D0 BR7207850 D0 BR 7207850D0 BR 7850/72 A BR7850/72 A BR 7850/72A BR 785072 A BR785072 A BR 785072A BR 7207850 D0 BR7207850 D0 BR 7207850D0
- Authority
- BR
- Brazil
- Prior art keywords
- encoding keyboard
- keyboard
- encoding
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
-
- 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)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7147578A FR2166587A5 (pt) | 1971-12-30 | 1971-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7207850D0 true BR7207850D0 (pt) | 1973-09-13 |
Family
ID=9088398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7850/72A BR7207850D0 (pt) | 1971-12-30 | 1972-11-09 | Teclado codificador |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3828910A (pt) |
| BR (1) | BR7207850D0 (pt) |
| DD (1) | DD104754A5 (pt) |
| DE (1) | DE2253866A1 (pt) |
| ES (1) | ES408145A1 (pt) |
| FR (1) | FR2166587A5 (pt) |
| GB (1) | GB1417845A (pt) |
| IT (1) | IT970253B (pt) |
| NL (1) | NL7214969A (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067431A (en) * | 1976-03-12 | 1978-01-10 | Whitaker Ranald O | Combinational keyboard with movable keys and adapted for one-handed keying of numerical information |
| US4331945A (en) * | 1980-09-23 | 1982-05-25 | Cattani Ii Cyrus J | Magnetically actuatable tamper switch assembly |
| FR2508228A1 (fr) * | 1981-06-19 | 1982-12-24 | Thomson Csf Mat Tel | Procede de fabrication d'un clavier de commande, et clavier de commande obtenu par ce procede |
-
1971
- 1971-12-30 FR FR7147578A patent/FR2166587A5/fr not_active Expired
-
1972
- 1972-10-31 ES ES408145A patent/ES408145A1/es not_active Expired
- 1972-11-03 DE DE2253866A patent/DE2253866A1/de active Pending
- 1972-11-06 NL NL7214969A patent/NL7214969A/xx unknown
- 1972-11-08 IT IT31380/72A patent/IT970253B/it active
- 1972-11-09 BR BR7850/72A patent/BR7207850D0/pt unknown
- 1972-11-14 US US00306286A patent/US3828910A/en not_active Expired - Lifetime
- 1972-11-20 GB GB5356572A patent/GB1417845A/en not_active Expired
- 1972-12-19 DD DD167734A patent/DD104754A5/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES408145A1 (es) | 1975-11-16 |
| IT970253B (it) | 1974-04-10 |
| GB1417845A (en) | 1975-12-17 |
| NL7214969A (pt) | 1973-07-03 |
| US3828910A (en) | 1974-08-13 |
| FR2166587A5 (pt) | 1973-08-17 |
| DD104754A5 (pt) | 1974-03-20 |
| DE2253866A1 (de) | 1973-07-12 |
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