| Patents for H03M 11 - Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys (4,545) |
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| 04/26/1977 | US4020391 CRT cursor scan control circuits |
| 04/26/1977 | US4019607 Signal input devices and systems |
| 03/29/1977 | US4015254 Keyboard encoding circuit utilizing an A/D converter |
| 03/22/1977 | US4014013 Direct drive display system for mos integrated circuits using segment scanning |
| 03/22/1977 | US4014012 Segment scanning method for calculator display system |
| 03/22/1977 | US4013835 Data entry system |
| 03/15/1977 | US4012599 Telephone communications system for the deaf |
| 02/08/1977 | US4007443 Hand-held interactive terminal |
| 01/25/1977 | US4005400 Data entry and decoding system for scripted data |
| 11/30/1976 | US3995252 Data processing arrangement for printers |
| 11/09/1976 | US3991305 Electronic calculator or digital processor chip with multiple code combinations of display and keyboard scan outputs |
| 11/02/1976 | US3990070 Strobing scheme and keyboard sensing circuit for a one chip calculator |
| 10/19/1976 | US3987437 Key switch signal multiplexer circuit |
| 09/21/1976 | US3982236 Or spasticity |
| 09/14/1976 | US3980994 Text editing and display system having text insert capability |
| 09/14/1976 | US3980823 Keyboard for bar matrix code |
| 08/31/1976 | US3978474 Keyboard with n-key lockout and two-key rollover protection |
| 08/31/1976 | US3978453 Input keyboard apparatus for an electronic computer |
| 08/10/1976 | US3974478 Key switch scanning and encoding system |
| 08/03/1976 | US3973256 Key detection system interconnecting keyboard and data processing system |
| 08/03/1976 | US3973255 Touch responsive keyboard apparatus |
| 08/03/1976 | US3973113 Electronic calculator for feet-inch-fraction numerics |
| 06/29/1976 | US3967273 Method and apparatus for using pushbutton telephone keys for generation of alpha-numeric information |
| 06/15/1976 | US3963904 Modeling with a manually interactive computer constraint violation monitoring means |
| 05/18/1976 | US3958234 Interactive stylus sensor apparatus for gas panel display |
| 05/04/1976 | US3955074 General purpose calculator having keys with more than one function assigned thereto |
| 04/13/1976 | US3950743 Keying input apparatus having a reduced number of output terminals |
| 04/13/1976 | US3950731 Data processing arrangement for printers |
| 04/06/1976 | US3949365 Information input device |
| 03/02/1976 | US3942175 Multipurpose keyboard system |
| 02/24/1976 | US3940637 Polymeric piezoelectric key actuated device |
| 02/10/1976 | US3938104 System for modifying a logic controller instruction set |
| 02/10/1976 | US3937952 Keyboard and switches for keyboards |
| 01/27/1976 | US3934346 Sporting shoes |
| 01/20/1976 | US3934248 Alphanumeric display means for computer-linked typewriter consoles using a plurality of planar gaseous discharge means within a unitary envelope containing an ionizable gas |
| 01/20/1976 | US3934247 Alphanumeric display means for computer-linked typewriter consoles using a matrix array of light-emitting diodes (led's) |
| 01/20/1976 | US3934246 Alphanumeric display means for computer-linked typewriter consoles using light-emitting diodes (LED's) in conjunction with sets of fiber-optic matrix members |
| 01/20/1976 | US3934245 Alphanumeric display means for computer-linked typewriter consoles |
| 01/20/1976 | US3934244 Alphanumeric display means for computer-linked typewriter consoles using fluorescent luminescent alphanumeric indicating means |
| 01/20/1976 | US3934243 Alphanumeric display means for computer-linked typewriter consoles using a plurality of gaseous glow indicator tube means containing an ionizable gas |
| 01/20/1976 | US3934242 Alphanumeric display means for computer-linked typewriter consoles using a matrix array of liquid-crystal devices |
| 01/13/1976 | US3932866 Computer keyboard circuitry |
| 01/13/1976 | US3932859 Electronic dictionary with word length responsive decoder |
| 01/13/1976 | US3932838 Method and apparatus for controlling circuitry with a plurality of switching means |
| 01/06/1976 | US3931610 Capacitive keyswitch sensor and method |