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Class 340/3.22 - Electromechanical (e.g., relay, rotary distributor)


Subclass of Class 340 - Communications: electrical
Definition: Subject matter wherein the reference timing function includes
No. of patents: 9
Last issue date: 02/19/2008


NumberTitleIssue Date
7332996Connections for a cell site environmental control system
A cell site environmental control system includes multiple relays, each monitoring a specific device whose status may have an impact on the environmental condition at the cell site. The cell site environmental control system includes a microprocessor-based central c...
02/19/2008
7187296Miniature fault indicator
A rugged, miniature, waterproof and lightweight magnetic latching indicator with an auxiliary switch. The indicator includes a solenoid, an elongated plunger mounted in the solenoid, the plunger supporting a first permanent magnet with the magnet being surrounded by...
03/06/2007
7085669Method and system of producing analytical data result
An object of the present invention is to reduce the burden of purchasing measurement devices for clinical tests, and to simplify user support for the measurement devices. Divide the measurement function of a clinical test device and the analysis function between the...
08/01/2006
6998973Data transmission method for a tire-pressure monitoring system of a vehicle
A data transmission method for a tire-pressure monitoring system (10) of a vehicle. The data is transmitted by wheel units (12) to a central computer (13) located in the vehicle. The method comprises: a data tr...
02/14/2006
6937134Reception of protection commands in a remote tripping device
In order to receive protection commands in a remote tripping device, one or more signals is or are received, protection commands and combinations of protection commands are coded by means of an individual signal or by means of a predetermined combination of signals,...
08/30/2005
6901066Wireless control network with scheduled time slots
A building monitoring system is disclosed that includes a bi-directional radio link between a master and a number of remote units, wherein the master unit schedules the transmission times of the remote units to avoid collisions. ...
05/31/2005
6812836Alarm system armed and disarmed by a door contact
A security alarm system that may be selectively armed or disarmed when monitoring a protective premises is described which utilizes the position of an entry door to determine whether the security system should be armed or disarmed. The security system comprises (i) ...
11/02/2004
6331822Communication control apparatus
A communication control apparatus for enabling an A/D converter to be shared among a plurality of input units to eliminate the work for newly installing an A/D converter for a new sensor when the sensor is added. A communication control apparatus is provi...
12/18/2001
5027297System for time stamping events using a remote master clock
Events at spaced locations, such as contact activity in the protective relays of an electric power distribution network, are time stamped using a single remote clock by a system which includes one or more slave stations monitoring the events. Each slave s...
06/25/1991
 
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