IT980753B - Dispositivo di ingresso di infor mazione - Google Patents
Dispositivo di ingresso di infor mazioneInfo
- Publication number
- IT980753B IT980753B IT67956/73A IT6795673A IT980753B IT 980753 B IT980753 B IT 980753B IT 67956/73 A IT67956/73 A IT 67956/73A IT 6795673 A IT6795673 A IT 6795673A IT 980753 B IT980753 B IT 980753B
- Authority
- IT
- Italy
- Prior art keywords
- entry device
- information entry
- information
- entry
- Prior art date
Links
Classifications
-
- 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
- H03M11/20—Dynamic coding, i.e. by key scanning
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Input From Keyboards Or The Like (AREA)
- Calculators And Similar Devices (AREA)
- Logic Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3362972A JPS536817B2 (it) | 1972-04-04 | 1972-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT980753B true IT980753B (it) | 1974-10-10 |
Family
ID=12391730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67956/73A IT980753B (it) | 1972-04-04 | 1973-04-03 | Dispositivo di ingresso di infor mazione |
Country Status (8)
Country | Link |
---|---|
US (1) | US3883867A (it) |
JP (1) | JPS536817B2 (it) |
AU (1) | AU470704B2 (it) |
CA (1) | CA984058A (it) |
DE (1) | DE2316904C3 (it) |
FR (1) | FR2179061B1 (it) |
GB (1) | GB1415469A (it) |
IT (1) | IT980753B (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5086929A (it) * | 1973-11-30 | 1975-07-12 | ||
US4199750A (en) * | 1975-11-10 | 1980-04-22 | Hitachi, Ltd. | Key input circuit capable of roll-over operation |
US4146779A (en) * | 1977-02-28 | 1979-03-27 | Osborne-Hoffman, Inc. | Display controller for time recorders and time actuators |
US4165490A (en) * | 1977-12-19 | 1979-08-21 | International Business Machines Corporation | Clock pulse generator with selective pulse delay and pulse width control |
FR2650433A1 (fr) * | 1989-07-25 | 1991-02-01 | Alcatel Business Systems | Clavier de terminal grand public |
EP0510194A4 (en) * | 1989-11-28 | 1993-08-11 | Omron Corporation | Terminal, data processor, switching unit, interface, and keyboard the latter three connected to the former two |
US5900829A (en) * | 1996-07-23 | 1999-05-04 | Motorola, Inc. | Method of and apparatus for detecting key actuations |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3553445A (en) * | 1966-08-22 | 1971-01-05 | Scm Corp | Multicipher entry |
FR1569618A (it) * | 1967-12-08 | 1969-06-06 | ||
CH486173A (de) * | 1968-02-02 | 1970-02-15 | Siemens Ag | Schaltungsanordnung zur tastengesteuerten elektronischen parallelen Abgabe von telegraphischen Impulsen |
US3685033A (en) * | 1970-08-24 | 1972-08-15 | Honeywell Inc | Block encoding for magnetic recording systems |
US3662382A (en) * | 1970-11-09 | 1972-05-09 | Camera And Instr Corp | Keyboard controlled electrical code-signal generator system |
JPS5019374Y1 (it) * | 1970-11-25 | 1975-06-12 | ||
US3701856A (en) * | 1970-12-15 | 1972-10-31 | American Data Systems Inc | Data terminal system |
US3721976A (en) * | 1971-02-01 | 1973-03-20 | Omron Syst Inc | Keyboard coding and interlock system |
US3715746A (en) * | 1971-03-10 | 1973-02-06 | Omron Tateisi Electronics Co | Keyboard input device |
US3778815A (en) * | 1971-05-17 | 1973-12-11 | Rca Corp | Keyboard encoder |
-
1972
- 1972-04-04 JP JP3362972A patent/JPS536817B2/ja not_active Expired
-
1973
- 1973-03-29 GB GB1522073A patent/GB1415469A/en not_active Expired
- 1973-03-30 CA CA167,647A patent/CA984058A/en not_active Expired
- 1973-04-03 FR FR7311993A patent/FR2179061B1/fr not_active Expired
- 1973-04-03 IT IT67956/73A patent/IT980753B/it active
- 1973-04-04 DE DE2316904A patent/DE2316904C3/de not_active Expired
- 1973-04-04 US US347657A patent/US3883867A/en not_active Expired - Lifetime
- 1973-04-04 AU AU54101/73A patent/AU470704B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS536817B2 (it) | 1978-03-11 |
DE2316904A1 (de) | 1973-10-11 |
DE2316904C3 (de) | 1975-07-24 |
AU470704B2 (en) | 1976-03-25 |
FR2179061A1 (it) | 1973-11-16 |
DE2316904B2 (de) | 1974-12-05 |
JPS48102532A (it) | 1973-12-22 |
FR2179061B1 (it) | 1974-05-17 |
AU5410173A (en) | 1974-10-10 |
GB1415469A (en) | 1975-11-26 |
CA984058A (en) | 1976-02-17 |
US3883867A (en) | 1975-05-13 |
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