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Samad Sheree Seyfi, 731741 Crestone Ct, Longmont, CO 80501

Samad Seyfi Phones & Addresses

1741 Crestone Ct, Longmont, CO 80501    303-7725468   

Windsor, CO   

San Marcos, CA   

Medley, FL   

Rancho Santa Margarita, CA   

Corona, CA   

Irvine, CA   

Pembroke Pines, FL   

Weston, FL   

Weldona, CO   

Orange, CA   

Mentions for Samad Sheree Seyfi

Publications & IP owners

Us Patents

Error Compensation For Current Transformer Sensors

US Patent:
2012026, Oct 25, 2012
Filed:
Apr 23, 2012
Appl. No.:
13/453949
Inventors:
George O. Langer - Boulder CO, US
Christopher Scott Brown - Longmont CO, US
Samad Seyfi - Longmont CO, US
International Classification:
H01F 38/32
US Classification:
323357
Abstract:
Phase angle error and ratio error correction is provided in a current transformer by a bucking voltage opposite in phase to the voltage drop across the burden resistor and inherent winding resistance.

Apparatus And Method For Measuring Salinity Of A Fluid By Inductance

US Patent:
2009026, Oct 29, 2009
Filed:
Mar 24, 2009
Appl. No.:
12/410443
Inventors:
Samad Seyfi - Longmont CO, US
Christopher Scott Brown - Longmont CO, US
International Classification:
G01R 27/26
US Classification:
324655
Abstract:
A salinity sensor for sensing or measuring salinity of a static or flowing fluid without contacting the fluid includes magnetic coil with a gapped core and a conduit for the fluid positioned in the gap in the core. The magnetic coil and the portion of the magnetic field produced by the coil that extends through the fluid in the gap are part of an LC or LCR circuit that can be driven to resonant frequency for a fluid of known salinity, which may include, but is not limited to, a fluid having zero salinity, as indicated by a peak output voltage on the circuit. Then, when the salinity of the fluid in the gap changes or a fluid with a different salinity is placed in the gap, the characteristics of the LC or LCR circuit, including inductance L and resonant frequency, change, and such changes can be detected and measured as an indication of the salinity of the fluid in the gap.

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