H03M 11 - Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys

Patents for H03M 11 - Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys (4,545)
02/1988
02/23/1988	US4727478 Computer apparatus and remote keyboards therefor
02/16/1988	US4725816 Matrix keyboard encoder circuit
02/02/1988	CA1232382A1 Input device of character data
01/1988
01/27/1988	EP0254387A2 Device for modifying operation of computer keyboard
01/07/1988	EP0251670A2 Control device for cooking apparatus
01/07/1988	EP0251477A2 Electronic calculator having function keys with programmable labels
12/1987
12/09/1987	CN86108582A 速记翻译系统 Shorthand translation system
12/08/1987	US4712092 Parallel encoded piezoelectric keyboard switch and array
12/01/1987	US4710869 Key input data emulation system
11/1987
11/24/1987	US4709228 Electronic data input keyboard comprising keys provided with conductive contacts
11/10/1987	US4706068 Four wire keyboard interface
10/1987
10/28/1987	EP0242953A1 Multiplex system
10/20/1987	US4701748 Key circuit
10/20/1987	US4701747 Data input system including a keyboard having no moving parts
10/15/1987	DE3711108A1 Elektronische registrierkasse Electronic cash register
10/15/1987	DE3710610A1 Character input system
09/1987
09/30/1987	EP0239236A1 Multiplex system
09/22/1987	US4696048 Input device
09/22/1987	US4695828 Electronic apparatus for entering pattern data by finger activation
09/16/1987	EP0237195A1 Multiplex system including shielded cable
09/02/1987	EP0234124A2 A bidirectional keyboard interface circuit
08/1987
08/25/1987	US4689608 Magnetically snap actuated contact keyboard apparatus
08/19/1987	EP0232417A1 Process for correcting transmission errors.
08/13/1987	WO1987004818A1 Method of inputting data
08/13/1987	DE3604120A1 Contact-sensitive sensor
08/11/1987	US4686643 Electronic equipment selectively storing a frequently used conversion function
08/04/1987	US4684275 Electronic typewriter with presettable specification tables
07/1987
07/22/1987	EP0229724A2 Apparatus and method for entering information into an information processing system using a keyboard
07/22/1987	EP0229695A2 A matrix switching apparatus for preventing pseudo input
07/14/1987	US4680729 Method and apparatus for storing and updating user entered command strings for use with otherwise unassigned softkeys
07/14/1987	US4680728 User-friendly technique and apparatus for entering alphanumeric data through a numeric keyboard
07/14/1987	US4680572 Chord entry keying of data fields
06/1987
06/30/1987	US4677437 Input signal switching matrix for an elevator
06/24/1987	CN85109091A Technology used in character's code and search input
06/19/1987	DE3544153A1 Circuit arrangement for interrogating keys of a keyboard
06/19/1987	DE3543890A1 Input element
06/16/1987	US4673933 Switch matrix encoding interface using common input/output parts
06/10/1987	CN86106701A Key circuits
05/1987
05/21/1987	DE3702401A1 Fourteen-key keyboard
05/21/1987	DE3540434A1 Circuit arrangement for interrogating the state of at least one keying device and for supplying an indication to an indicating device
05/20/1987	EP0222572A2 Stenographic translation systems and methods
05/19/1987	US4667181 Keyboard data input assembly
05/13/1987	EP0221698A2 Key with selective symbol display
05/13/1987	EP0221484A2 Magnification selecting device
05/06/1987	EP0220322A1 Key input device for cai system
04/1987
04/28/1987	US4661957 Input data reader apparatus for switch array
04/21/1987	CA1220871A1 Keyboard entry system
04/14/1987	US4658417 Information transmission/reception system using pushphone and information reception apparatus
04/09/1987	WO1987002210A1 Process for correcting transmission errors
04/08/1987	EP0217283A2 Key circuit
03/1987
03/25/1987	EP0215203A2 In-line dynamic editor for mixed object documents
03/17/1987	US4651133 Method and apparatus for capacitive keyboard scanning
03/17/1987	US4650992 Optical sensor constituting a light transmissive medium with luminescent particles
03/04/1987	EP0213022A1 Electronic single-handedly operated keyboard
03/04/1987	EP0084247B1 Operation mode setting circuitry for microprocessor
03/03/1987	US4647911 Calculator with definable keys
01/1987
01/20/1987	US4638306 Keyboard entry system
12/1986
12/30/1986	US4633228 Keyboard switch assembly
12/30/1986	EP0205537A1 Method of and optoelectronic keyboard for generating input signals for electronic arrangements
12/16/1986	CA1215473A1 Computer apparatus and remote keyboards therefor
11/1986
11/20/1986	EP0202155A1 Identification device for capacitive keyboards
11/18/1986	CA1214237A1 Touch control arrangement for data entry
11/12/1986	EP0201294A2 Keyboard
11/12/1986	EP0200821A2 Combinational logic structure using pass transistors
11/12/1986	CA1213987A Touch type computer keyboards
11/11/1986	US4622648 Combinational logic structure using PASS transistors
10/1986
10/29/1986	EP0199421A2 Control systems and control devices therefor
10/23/1986	WO1986006192A1 Key input device for cai system
10/21/1986	CA1213067A1 Contoured touch type data processing keyboard
10/15/1986	EP0197091A1 Data entry terminal and process
10/14/1986	US4617554 Keyboard scanning
10/07/1986	US4616213 Capacitive multikey keyboard for inputting data into a computer
09/1986
09/02/1986	US4609908 Repeat control apparatus for a polling type serial interface keyboard apparatus
08/1986
08/19/1986	US4607251 Matrix switch apparatus including pull-up resistors for sense lines
08/13/1986	EP0190887A2 Four wire keyboard interface
08/13/1986	EP0190743A2 Control signal generation circuit for wireless remote control signal transmitter
08/05/1986	US4604692 Operation mode setting system for a microprocessor
07/1986
07/30/1986	EP0189132A2 Magnetically snap actuated contact keyboard apparatus
07/23/1986	EP0188151A1 Keyboard device
07/09/1986	EP0187021A2 Method and apparatus for capacitive keyboard scanning
07/08/1986	US4599608 Circuit preventing phantom input in a switch matrix
07/08/1986	US4599607 Acoustic keyboard
07/08/1986	US4599606 System for inputting a selected one of a plurality of inputs to a computer
07/03/1986	WO1986003862A1 Method of and optoelectronic keyboard for generating input signals for electronic arrangements
06/1986
06/24/1986	US4596984 Digital data input circuit
05/1986
05/27/1986	US4591833 Keyboard unit control system using block scanning techniques
05/27/1986	US4591702 Digit manipulative data input key
05/06/1986	US4587519 Input device
04/1986
04/24/1986	WO1986002473A1 Data entry terminal and process
04/22/1986	CA1203629A1 Sense point monitor circuit
04/15/1986	US4583189 Microprocessor-based scan-mode keying circuit
04/15/1986	US4583092 Sweep circuit of key matrix
04/15/1986	US4582970 Switching circuit adaptable to cooking appliance
04/10/1986	CN85108032A Materialist system for encoding chinese characters
04/08/1986	US4581603 Switch matrix key closure validation device and method
04/01/1986	US4580138 Measurement-expressing apparatus
04/01/1986	US4580074 Piezoelectric transducer with coded output signal
03/1986
03/25/1986	CA1202402A1 Power-saving system for a scanned keyboard connected to a data processing equipment
03/11/1986	US4575816 Interactive transactions processor using sequence table pointers to access function table statements controlling execution of specific interactive functions
02/1986
02/18/1986	CA1200876A1 Keyboard for the micro-processor control of a plastics injection molding machine

1 ... 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46