222690 ⎘
Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys Details
Sub-classes:Key scanning method and input device implemented therewith
#2Key with integral biometric input device
#3Continuous-time sensing apparatus
#4Capacitance to code converter with sigma-delta modulator
#5Press-button circuit and driving method thereof, keypad, and display device
#6Ratio-metric self-capacitance-to-code convertor
#7Ratio-metric self-capacitance-to-code convertor
#8Key with integral biometric input device
#9Capacitance to code converter with sigma-delta modulator
#10Method and device for managing a key matrix, corresponding computer program product and storage device
#11Key with integral biometric input device
#12Capacitance to code converter with sigma-delta modulator
#13KEYBOARD DEVICE FOR DIFFERENT OPERATING SYSTEMS
#14Touch sensing method and apparatus
#15Key with integral biometric input device
#16Buttons with modulated bias voltages
#17Capacitance to code converter with sigma-delta modulator
#18Input apparatus
#19CUSTOMIZABLE KEYBOARD
#20Input apparatus
#21Method for correcting typing errors according to character layout positions on a keyboard
#22Method to detect and recover from stuck keys on an electronic device keyboard
#23Efficiently embedding information onto a keyboard membrane
#24MULTIPURPOSE KEYBOARD
#25MODULE, USER INTERFACE, DEVICE AND METHOD FOR HANDLING ACCIDENTAL KEY PRESSES
#26Pulsed dynamic logic environment metric measurement circuit
#27Method and apparatus for mitigating current drain in a low-power hand-held device
#28Capacitance to code converter with sigma-delta modulator
#29Information processing apparatus and liquid detection method
#30Identification of key information of keyboard
#31Electronic device with keyboard system and method of detecting key conditions thereof