Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › 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)
01/1990
01/23/1990US4896290 Method for routing events from key strokes in a multi-processing computer systems
01/02/1990US4891777 Single hand keyboard arrays providing alphanumeric capabilities from twelve keys
12/1989
12/27/1989CA1264095A1 Four wire keyboard interface
12/19/1989US4888600 Keyboard arrangement with ghost key condition detection
12/05/1989US4885574 Display and keyboard panel
11/1989
11/28/1989US4884070 Method and apparatus for multiplexing switch signals
11/23/1989EP0342964A2 Data retrieval system
11/23/1989EP0342963A2 A data input system
11/23/1989EP0342747A1 Directed optical signaling
11/08/1989CN1037042A Keyboard scanner apparatus and method
10/1989
10/31/1989US4878057 Typewriter keyboard
10/31/1989US4878056 Key input circuit
10/17/1989US4875043 Bi-directional keyboard interface circuit
10/11/1989EP0336583A2 Keyboard remapping
10/04/1989EP0335376A2 Portable electronic calculator
10/03/1989US4872196 Telephone keypad input technique
10/03/1989US4872008 Key input device
09/1989
09/26/1989US4870677 Data/facsimile telephone subset apparatus incorporating electrophoretic displays
09/19/1989US4868913 System of encoding chinese characters according to their patterns and accompanying keyboard for electronic computer
09/19/1989US4868779 Device having both standard and supplementary character correspondence tables for generating character codes
09/13/1989EP0332365A1 Apparatus for recording and verifying handwriting, in particular signatures
09/12/1989US4865474 Character imputting electronic equipment which sets input mode based on tab position
08/1989
08/30/1989EP0329979A2 Data input device
08/29/1989US4862498 Method and apparatus for automatically selecting system commands for display
08/29/1989US4862390 Method and apparatus for selection of one from a plurality of entries listed on a computer display
08/29/1989US4862166 Combination keyboard including plural stroke keys and plural touch keys
08/23/1989EP0328831A2 Entry selection method using a keyboard
08/22/1989US4860234 Portable keyboard operated alpha computer system with few keys and visual keystroke instructions
08/09/1989CN1034650A Keyboard identfication apparatus
08/08/1989US4855740 Keyboard
08/02/1989EP0325884A2 Keyboard arrangement with ghost key condition detection
08/01/1989US4853695 Data input device having switch matrix scanning means
07/1989
07/26/1989EP0325081A2 Graphical access to statistical processing
07/19/1989CN1034075A Chinese character computer input method by pseudocase and mouse cursor word selector
07/11/1989US4847799 Keyboard apparatus having separate working areas with thumb-operated shifting of key functions
07/04/1989US4845467 Keyboard having microcomputerized encoder
06/1989
06/28/1989EP0322332A2 Graphical method of real time operator menu customization
06/27/1989CA1256532A1 Data input system including a keyboard having no moving parts
05/1989
05/24/1989EP0317480A2 Graphical menu tree
05/23/1989US4833672 Multiplex system
05/23/1989US4833447 Input device
05/16/1989US4831219 Keyboard
05/09/1989US4829165 Optical control systems
04/1989
04/26/1989EP0313207A2 Method and apparatus for inputting characters
04/25/1989CA1253256A1 Decoder circuit for generating logical signals in response to the actuation of a keyboard provided with symbols associated with respective logical signals
04/18/1989US4823311 Calculator keyboard with user definable function keys and with programmably alterable interactive labels for certain function keys
04/12/1989EP0310699A1 Input device
04/12/1989CN1003890B An zijie's character shape coding method and keyboard for computer
04/11/1989US4821211 Method of navigating among program menus using a graphical menu tree
04/11/1989US4821182 Memory address decoding system
04/11/1989US4821033 Matrix switching apparatus for preventing pseudo input
03/1989
03/29/1989EP0309301A1 Remote control apparatus for a computer associated with a video screen
03/28/1989US4817010 Vending machine control with improved vendor selector switch detection and decoding apparatus
03/23/1989WO1989002369A1 Improvements in or relating to keyboard systems
03/21/1989US4815029 In-line dynamic editor for mixed object documents
03/01/1989EP0304891A2 Means and method for controlling input events in multi-processing computer systems
02/1989
02/21/1989US4807033 Method for correcting television signals
01/1989
01/17/1989CA1249046A1 Solid state keyboard
12/1988
12/27/1988US4794375 Keyboard crosspoint encoder having pseudo-n-key rollover
12/14/1988EP0294518A2 Keyboard keys located on the computer screen
11/1988
11/23/1988EP0292238A2 Data input device having switch matrix scanning means
11/23/1988EP0291910A2 Keyboard
11/17/1988WO1988009007A1 Improvements in digital computers
10/1988
10/27/1988DE3732886C1 Switching system for dynamic rolling of several keys on keyboard - uses control counter to provide addresses for identifying keys, and second counter to indicate switching line
10/20/1988DE3712131A1 Method of entering alphanumeric characters using a digital keypad (decimal keypad)
10/19/1988EP0286906A1 Method for character code generation
10/18/1988US4779264 Multiplex system including shielded cable
10/18/1988CA1243376A1 Method and apparatus for capacitive keyboard scanning
10/11/1988CA1243096A1 Manual data entry in data processing systems
10/04/1988CA1242771A1 Combinational logic structure using pass transistors
09/1988
09/21/1988EP0283404A2 Key-depression data input device
09/20/1988US4772874 Keyboard apparatus
09/07/1988WO1988006765A1 Vending machine control with improved vendor selector switch detection and decoding apparatus
09/07/1988EP0281388A2 Vending machine control with improved vendor selector switch detection and decoding apparatus
08/1988
08/23/1988US4766540 Electronic cash register with programmable mode/function key settings
08/23/1988US4766418 Control keyboard for a multiple system accessing unit
08/23/1988CA1241090A1 Hand movement controller
08/09/1988US4763174 Magnification selecting device in a photocopier
08/02/1988US4761761 Multitype characters processing method and terminal device with multiple display buffers
08/02/1988CA1240080A1 User-friendly technique and apparatus for entering alphanumeric data through a numeric keyboard
07/1988
07/13/1988CN85108032B Materialist system for encoding chinese characters
06/1988
06/16/1988DE3641528A1 Circuit arrangement to interrogate electrical test potentials in conjunction with interrogating a contact matrix
06/01/1988EP0269364A2 Apparatus and method for inputting telephone dialling commands to a telephone communication system
05/1988
05/17/1988US4745396 Decoder circuit for generating logical signals in response to the actuation of a keyboard provided with symbols associated with respective logical signals
05/04/1988EP0266229A1 Keyboard with reading device
04/1988
04/27/1988EP0265011A1 Inputting device with tactile feedback
04/27/1988EP0264884A2 Key input device
04/13/1988EP0263652A2 Input device
04/12/1988US4737768 Electronic identification assemblies of capacitive keyboards
04/12/1988US4737767 Solid state keyboard
04/07/1988DE3633563A1 Matrix keyboard
04/06/1988EP0262768A2 Improvements in ticket issuing machines
04/06/1988EP0262226A1 Method of inputting data
04/05/1988CA1234898A1 Arrangement for keyboards
03/1988
03/31/1988DE3641527C1 Circuit arrangement to interrogate a contact matrix
03/16/1988EP0259958A2 Expandable electronic input device
03/09/1988CN85101817A Anzijie's chinese character shape coding method and keyboard for computer
03/08/1988CA1233893A1 Magnetically snap actuated contact keyboard apparatus
03/01/1988US4728949 Remote control device for controlling various functions of one or more appliances
02/1988
02/23/1988US4727511 Multitype characters processing method and terminal device
1 ... 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46