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CN104636692A
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Signal transmission circuit for readers
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CN104634990A
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Rotating speed measurer for rotating machines
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CN104634239A
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Angle monitor for rotary machinery
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CN104638614A
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Motor temperature monitor for rotary machinery
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CN104639062A
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High-frequency power amplifier for radio frequency identification system
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CN104637261A
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Automatic ringing device for changing of guard
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CN104636691A
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Transponder for RFID (radio frequency identification) system
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CN104636792A
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Radiofrequency card peripheral circuit for attendance system
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CN104634475A
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Bidirectional temperature alarming circuit for motor
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CN104634992A
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High-sensitivity motor speed measurer
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CN104637208A
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Burglar alarm for rotating machine room
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CN104634473A
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Temperature and humidity alarm circuit for large mixers
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CN104601122A
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Amplifying circuit for optical sensor of Internet of Things
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CN104578216A
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Simple type battery charging circuit for RFID handheld reader
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CN104579194A
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High-gain computer network signal amplifier
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CN104579182A
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Broadband low-noise amplifier
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CN104571435A
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Boosting power source for computer data interface
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CN104573583A
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RFID non-contact card reader
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CN104577306A
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Symmetric gap monopole RFID (radio frequency identification) antenna adopting dual-frequency coplanar waveguide feed
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CN104577343A
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Compact dual-circular-polarization RFID (radio frequency identification) microstrip antenna
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