WILLIAM L GARROTT
Engineers in Gainesville, FL
License number
Pennsylvania PE019189E
Category
Engineers
Type
Professional Engineer
Address
Address
2
Gainesville, FL 32608
Pennsylvania
Pennsylvania
Professional information
Static Magnetic Field Metal Detector
US Patent:
3964042, Jun 15, 1976
Filed:
Nov 11, 1974
Appl. No.:
5/522378
Inventors:
William L. Garrott - Gainesville FL
Assignee:
Sperry Rand Corporation - New York NY
International Classification:
G08B 2100
US Classification:
340258R
Abstract:
A static magnetic field detector senses the passage of ferrous or magnetic objects, employing a balanced magnetic field excitation configuration providing substantial self-cancellation of spurious background signals. The pick up coil of the detector is disposed in a spacially reversing static magnetic field, being cooperatively effective to sense the passage of such objects with respect to an extended passage way by reacting to the field distortion caused by the object and producing an alarm or control signal. Further reduction of the effects of spurious background signals is afforded by novel means for processing the signals generated within the detector.
Apparatus To Detect The Passage Of Ferrous Material In Crop Harvesting Machines
US Patent:
3959953, Jun 1, 1976
Filed:
Dec 4, 1974
Appl. No.:
5/529305
Inventors:
William L. Garrott - Gainesville FL
Assignee:
Sperry Rand Corporation - New Holland PA
International Classification:
A01D 7518
US Classification:
56 102
Abstract:
A ferrous material detector operably associated with a crop harvesting machine including a signal generating means operably associated with the compressing means of a harvester. The signal generating means generates a signal during the normal operation of the harvester and interrupts the signal whenever undesirable objects pass in the vicinity of the compressing means. The ferrous material detector also includes a drive system interrupting means which is activated whenever the signal is interrupted.