Career records & work history
Lawyers & Attorneys
Dan Jewell - Lawyer
Office:
Clifford Chance LLP
Specialties:
Litigation & Dispute Resolution
ISLN:
921401481
Dan J Jewell, Age 5812926 W Estero Ln, Litchfield Park, AZ 85340
Dan Jewell Phones & Addresses
Litchfield Park, AZ
Laveen, AZ
Phoenix, AZ
Largo, FL
4945 Mark Dabling Blvd, Colorado Spgs, CO 80918 (719) 635-1852
913 Fillmore St, Colorado Springs, CO 80907 (719) 635-1852
PO Box 10162, Colorado Spgs, CO 80932 (719) 330-1284
Work
Position:
Building and Grounds Cleaning and Maintenance Occupations
Education
Degree:
High school graduate or higher
Emails
Mentions for Dan J Jewell
Dan Jewell resumes & CV records
Resumes
Electrical Engineer / Electrical Designer At Genesis Engineering, Inc.
Location:
United States
Industry:
Industrial Automation
Dan Jewell
Location:
United States
Publications & IP owners
Us Patents
Circuit Continuity And Function Monitor
US Patent:
6967445, Nov 22, 2005
Filed:
Apr 19, 2004
Appl. No.:
10/826068
Inventors:
Dan J. Jewell - Colorado Springs CO, US
Judith D. Jewell - Colorado Springs CO, US
Judith D. Jewell - Colorado Springs CO, US
International Classification:
H01J001/60
B60L001/14
G01R031/02
H01H031/02
B60L001/14
G01R031/02
H01H031/02
US Classification:
315129, 307 108, 324418, 324556
Abstract:
A circuit to monitor electrical continuity through a light bulb when the light bulb is switched off, and to monitor proper functioning of the light bulb when the bulb is switched on. The circuit comprises a LED, a relay and a latching circuit portion, the latching circuit portion configured to remain latched thereby applying power to the bulb and the relay only when the bulb is switched on and lit, and the relay having a pair of normally closed contacts connected to provide an alternative path of minimal resistance to ground for low voltage applied to an incoming side of the LED, and the relay also having a pair of normally open contacts which when closed allow voltage to be applied to the outgoing side of the LED, thereby resulting in the LED lighting when and only when, the light bulb is broken. Most preferably the latching portion of the circuit comprises a silicone controlled rectifier having a trigger circuit portion configured to pulse the gate when a switched light power control line is energized. The switched light power control line is connected to the anode and a coil of the relay, and the cathode is connected to one of the normally closed contacts of the relay and to the light bulb.
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