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Class Information
Number: 340/531
Name: Communications: electrical > Condition responsive indicating system > With particular coupling link
Description: Subject matter having specific connecting means between the sensing and indicating means.










Sub-classes under this class:

Class Number Class Name Patents
340/532 Having particular safety function 81
340/539.1 Radio 2,742
340/533 Wired 204


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Patent Number Title Of Patent Date Issued
7310052 Wireless meter-reading system and methods thereof Dec. 18, 2007
7307514 Method for remotely determining and managing connection of tractor and trailer Dec. 11, 2007
7305327 Wireless meter for real time measurements and method therefor Dec. 4, 2007
7301449 Signal detecting system using telephone lines for signal transmission Nov. 27, 2007
7301451 Notification alarm transfer methods, system, and device Nov. 27, 2007
7298254 Alarm system employing single transmission line Nov. 20, 2007
7295128 Smoke detection methods, devices, and systems Nov. 13, 2007
7292142 Method and apparatus for interfacing security systems by periodic check in with remote facility Nov. 6, 2007
7292139 Repeater device for communications with an implantable medical device Nov. 6, 2007
7289881 Information collection apparatus, information collection method, information collection program, recording medium containing information collection program, and information collection system Oct. 30, 2007
7286051 Providing audio indications remotely Oct. 23, 2007
7286049 Method and system of re-directing and backing up security system data at a receiver Oct. 23, 2007
7265663 Multimedia racing experience system Sep. 4, 2007
7262694 Multifunctional, intelligent power and communication device Aug. 28, 2007
7262690 Method and system for monitoring events Aug. 28, 2007
7254403 Wireless terminal-interoperable home network system Aug. 7, 2007
7253728 Telemetry system Aug. 7, 2007
7248148 Power line coupling device and method of using the same Jul. 24, 2007
7248161 Method and apparatus for interfacing security systems Jul. 24, 2007
7248157 Wireless phone-interface device Jul. 24, 2007
7242292 Infrared communication system and method Jul. 10, 2007
7243149 System and method for determining a presence state of a user Jul. 10, 2007
7227461 Security confirmation system and method thereof Jun. 5, 2007
7227463 Alarm systems, alarm system operating methods, and alarm extension devices Jun. 5, 2007
7224276 Antitheft system May. 29, 2007
7206645 Mobile, unitary, wall-plugged, temperature and/or power monitoring and warning system for critical spaces Apr. 17, 2007
7196630 Method and apparatus for routing a communication to a user based on a predicted presence Mar. 27, 2007
7193511 Rapid-mounting security monitoring and controlling system Mar. 20, 2007
7193512 Load safeguard systems Mar. 20, 2007
7183907 Central station monitoring with real-time status and control Feb. 27, 2007
7161483 Integrated programmable system for controlling the operation of electrical and/or electronic appliances of a premises Jan. 9, 2007
7158010 Circuit arrangement and method for phase modulation in a backscattering transponder Jan. 2, 2007
7158026 Security system configured to provide video and/or audio information to public or private safety personnel at a call center or other fixed or mobile emergency assistance unit Jan. 2, 2007
7158011 Medication compliance device Jan. 2, 2007
7151443 Optical trailer hitch locator Dec. 19, 2006
7152040 Electronic shelf label Dec. 19, 2006
7149623 Vehicle tracker including input/output features and related methods Dec. 12, 2006
7148800 Method for associating an asset with a monitoring device Dec. 12, 2006
7148811 Emergency underwater notification device Dec. 12, 2006
7142098 Wireless data transfer system for a tractor-trailer Nov. 28, 2006
7142099 Method and system for providing flexible vehicle communication within a vehicle communications system Nov. 28, 2006
7135966 Lighting installation with regulation of light emission devices Nov. 14, 2006
7135972 Anti-theft device particularly for point of sale displays Nov. 14, 2006
7129826 Localized accident notification Oct. 31, 2006
7129836 Wireless subject monitoring system Oct. 31, 2006
7129848 Remote monitoring method and system Oct. 31, 2006
7129831 System diagnostic mode for a security central station receiver Oct. 31, 2006
7130664 User-based signal indicator for telecommunications device and method of remotely notifying a user of an incoming communications signal incorporating the same Oct. 31, 2006
7126487 Circuit and method for prioritization of hazardous condition messages for interconnected hazardous condition detectors Oct. 24, 2006
7119675 Emergency alert service Oct. 10, 2006

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