FR1604517A - - Google Patents
Info
- Publication number
- FR1604517A FR1604517A FR1604517DA FR1604517A FR 1604517 A FR1604517 A FR 1604517A FR 1604517D A FR1604517D A FR 1604517DA FR 1604517 A FR1604517 A FR 1604517A
- Authority
- FR
- France
- 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
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
- H03M11/22—Static coding
-
- 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)
- 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 |
---|---|---|---|
US48919665A | 1965-09-22 | 1965-09-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1604517A true FR1604517A (US07993877-20110809-P00003.png) | 1971-11-29 |
Family
ID=23942801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1604517D Expired FR1604517A (US07993877-20110809-P00003.png) | 1965-09-22 | 1966-09-21 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3456077A (US07993877-20110809-P00003.png) |
DE (1) | DE1524201A1 (US07993877-20110809-P00003.png) |
FR (1) | FR1604517A (US07993877-20110809-P00003.png) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH486173A (de) * | 1968-02-02 | 1970-02-15 | Siemens Ag | Schaltungsanordnung zur tastengesteuerten elektronischen parallelen Abgabe von telegraphischen Impulsen |
US3582945A (en) * | 1968-04-29 | 1971-06-01 | Msi Data Corp | Input device |
GB1182879A (en) * | 1968-05-30 | 1970-03-04 | Creed & Co Ltd | Improvements in Data Transmitting Apparatus. |
US3614315A (en) * | 1968-08-26 | 1971-10-19 | Teletype Corp | Character repeat circuit |
DE1932518C3 (de) * | 1969-06-26 | 1974-02-07 | Ecofon Verkaufsgesellschaft Probst Kg, 8000 Muenchen | Elektrische Schreibmaschine |
US3624645A (en) * | 1969-12-15 | 1971-11-30 | Sperry Rand Corp | Oscillator keyboard with roll and double-strike control |
USRE31942E (en) * | 1971-03-01 | 1985-07-09 | High speed serial scan and readout of keyboards | |
CA960587A (en) * | 1971-10-08 | 1975-01-07 | Kosei Nomiya | Key input circuit system for electronic apparatus |
IT954791B (it) * | 1972-04-28 | 1973-09-15 | Olivetti & Co Spa | Tastiera per macchine calcolatrici contabili e simili macchine per ufficio |
US3778816A (en) * | 1972-05-03 | 1973-12-11 | Gen Electric | Keyboard data entry device employing reactive coupling circuits |
DE2756327C2 (de) * | 1977-12-17 | 1979-11-15 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Schaltung sanordnung für eine Eingabetastatur |
US4725816A (en) * | 1984-12-10 | 1988-02-16 | John Fluke Mfg. Co., Inc. | Matrix keyboard encoder circuit |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE525923A (US07993877-20110809-P00003.png) * | 1953-01-23 | |||
US2927960A (en) * | 1956-03-29 | 1960-03-08 | Teletype Corp | Telegraph system |
US2942253A (en) * | 1956-11-19 | 1960-06-21 | Hupp Corp | Switching system control |
US3206743A (en) * | 1958-08-08 | 1965-09-14 | Link Division Of General Prec | Binary universal code keyer |
US3115583A (en) * | 1960-04-18 | 1963-12-24 | Ibm | Information-gated flip-flop adapted to generate output in response to millimicrosecond sampling pulse from blocking oscillator |
US3214735A (en) * | 1960-04-29 | 1965-10-26 | Westinghouse Electric Corp | Double binary coding and decoding system employing nor logic |
US3239608A (en) * | 1964-01-03 | 1966-03-08 | Navigation Computer Corp | Electronic recorder systems |
US3232222A (en) * | 1964-04-02 | 1966-02-01 | Navigation Computer Corp | Printing system having storage and blocking means |
US3350688A (en) * | 1964-09-30 | 1967-10-31 | Amtron | Matrix circuitry controlled by timing modules having individual time duration outputs |
-
1965
- 1965-09-22 US US489196A patent/US3456077A/en not_active Expired - Lifetime
-
1966
- 1966-08-20 DE DE19661524201 patent/DE1524201A1/de active Pending
- 1966-09-21 FR FR1604517D patent/FR1604517A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1524201A1 (de) | 1970-07-09 |
US3456077A (en) | 1969-07-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |