194990 ⎘
Electric signal transmission systems in which the signal transmitted is frequency or phase of ac
Sub-classes:Two-wire communication control device and multi-purpose device
#2Fan system and fan driving method
#3Electronic device and controlling method of electronic device
#4Method for automatic switching of a communication resistor of a hart device in or out
#5Arc fault detection system
#6Open neutral detection
#7Method for automatic switching of a communication resistor of a hart device in or out
#8Selecting transmission frequency based on formation properties
#9Synchronized metrology in power generation and distribution networks
#10Methods and systems for powerline and radio frequency communications
#11Microcontroller System for Attachment to Weapon Holster
#12Methods and systems for powerline and radio frequency communications
#13NEAR FIELD COMMUNICATION DEVICES FOR MERCHANDISE SECURITY
#14Wireless monitoring system for detecting bio-signal analysis end device and bio-signal detection end device
#15Synchronized metrology in power generation and distribution networks
#16Compensating power spectral density for power levels
#17Remote control system and mobile device
#18Electronic device and method for triggering function of electronic device
#19A/B/C phase determination and synchrophasor measurement using common electric smart meters and wireless communications
#20Communication power line status detecting method and system using the method
#21Power line communication system
#22SYSTEMS, DEVICES, METHODS AND COMPUTER-READABLE STORAGE MEDIA THAT FACILITATE CONTROL OF BATTERY-POWERED DEVICES
#23System and method for signaling in sensor devices
#24Methods and systems for activating sealed sensors in the field
#25Pulse phase difference coding circuit
#26Remote control system and mobile device
#27NETWORK ARCHITECTURE FOR WIRELESSLY INTERFACING SENSORS AT ULTRA LOW POWER
#28IN-VEHICLE DEVICE AND COMMUNICATION METHOD
#29Receiving device for frequency modulated signals with voltage-limited reference input to demodulated signal binarization comparator
#30Automated meter reader having time synchronization circuit
#31Automated meter reader having peak product delivery rate generator
#32Automated meter reading system
#33Automated meter reader having high product delivery rate alert generator
#34Automated meter reader device having optical sensor with automatic gain control