222090 ⎘
Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by characterised by the way in which the control signal is generated using an optical detector characterised by the type of activation using a light barrier
IR TIMING CALIBRATION FOR A KEY SWITCH
#2IR TIMING CALIBRATION FOR A KEY SWITCH
#3Keyswitch
#4OPTICAL SENSOR BASED MECHANICAL KEYBOARD INPUT SYSTEM AND METHOD
#5Proximity sensor and control method thereof
#6Sensor system having a plurality of coupled sensors
#7Multi-axis photoelectric sensor
#8Tool setting or analysis device with backup or repeated trigger signal for detecting a rotating tool
#9Getting-on/off determination apparatus and getting-on/off determination method
#10ELECTRONIC DEVICE
#11Photo interrupter
#12Light receiving detection circuit having a high-pass filter and an amplifying circuit
#13Tool setting or analysis device with backup or repeated trigger signal for detecting a tool
#14Electronic switch mountable on a circuit board
#15Interrupter
#16Sanitary User Interface
#17Non- contact button system
#18Portable electrical appliance with object sensing assembly
#19Instrument panel assembly
#20Method for forming a photoelectric switch
#21Optical sensor circuit combining functions of open and close type optical sensor circuits
#22Optical measuring apparatus for measuring objects on machines
#23Photo-interrupter and manufacturing method thereof
#24Entirely solid state audio device
#25Hybrid analog key structure