DAVID SMITH
Social Work in Pembroke, MA
License number
Massachusetts 3022940
Issued Date
Jan 5, 1994
Expiration Date
Oct 1, 2016
Type
Licensed Social Worker
Address
Address
Pembroke, MA 02359
Personal information
See more information about DAVID SMITH at radaris.comName
Address
Phone
4 Eliot St #A, Natick, MA 01760
4 Cabot Cir, Westborough, MA 01581
49 Pleasant St, E Longmeadow, MA 01028
4 Phillips St, Woburn, MA 01801
4 Hopkins Ave, Beverly, MA 01915
Professional information
See more information about DAVID SMITH at trustoria.com
Integrated Energy Metering System
Integrated Energy Metering System
US Patent:
2008021, Sep 11, 2008
Filed:
Oct 2, 2007
Appl. No.:
11/906394
Inventors:
Michael Anthony Ashburn - Groton MA, US
Stephen William Harston - Andover MA, US
Etienne Gerard Moulin - Northborough MA, US
Shuang Jin - Andover MA, US
Meghan C. Kaiserman - Middleton MA, US
Alberto Sanchez - Valencia, ES
David Paul Smith - Pembroke MA, US
Stephen William Harston - Andover MA, US
Etienne Gerard Moulin - Northborough MA, US
Shuang Jin - Andover MA, US
Meghan C. Kaiserman - Middleton MA, US
Alberto Sanchez - Valencia, ES
David Paul Smith - Pembroke MA, US
International Classification:
G01R 19/22
US Classification:
324119
Abstract:
An integrated energy metering system having an energy meter including a voltage ADC for sensing voltage, a current ADC for sensing current, a microcontroller; a first memory device for storing program data for the energy meter; and a plurality of circuit blocks; a voltage monitor for monitoring a primary power supply; a power supply switch circuit for selectively applying one of the primary and auxiliary power supplies to the energy meter; and a system controller responsive to the voltage monitor for operating the switch circuit to apply the auxiliary power supply when the primary power supply voltage decreases below a predetermined level and gating the power to a first class of circuit blocks in the energy meter and applying power continuously to a second class of circuit blocks.