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Patent No. 5823386

Reward Candy Dispenser for Personal Computers

A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.

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Class 361/191 - Plural relay or solenoid load selectively operated


Subclass of Class 361 - Electricity: electrical systems and devices
Definition: Subject matter including plural relay load circuits which
No. of applications: 4
Last issue date: 02/25/2010


Application No.Application TitleIssue Date
20100046133RELAY DEVICE
A relay device includes mechanical relays, a first bus bar, a second bus bar, and a relay drive circuit. The relay includes a coil, a moving contact whose position changes according to whether the coil is energized, a load terminal conductive to the contact and connecte...
02/25/2010
20090067110Switching Device and a System Comprising the Same
A switching device comprising switching means for switching at least one current phase between responsive current phase input and responsive current phase output, the switching device being suitable for switching electrical current of a power circuit of an electric moto...
03/12/2009
20090015066CLOSE-LOOP RELAY DRIVER WITH EQUAL-PHASE INTERVAL
A power distribution system generally includes at least two relays. An equal-phase pulse generator generates pulse signals in equal phase intervals. At least two drivers, one for each of the at least two relays, control current flow to the at least two relays based on t...
01/15/2009
20090015073RF SWITCH TELEMETRY SYSTEM & METHOD
The position of an RF switch, or switches, in a matrix switch drive system is monitored using AC rather than DC measurement techniques. Using the same wiring as the matrix switch drive system so as not to increase the size and weight of the switch installation, a low cu...
01/15/2009
 
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