Device and method using dielectrokinesis to locate entities

Details Device and method using dielectrokinesis to locate entities Device and method using dielectrokinesis to locate entities

1996-11-27

1998-05-05

Mullen, Thomas

Communications: electrical

Condition responsive indicating system

Specific condition

340562, 307116, 324457, G08B 2300

Patent

active

057480885

ABSTRACT:
The dielectrophoretic force caused by the non-uniform electric field squared spatial gradient three-dimensional pattern uniquely exhibited by a predetermined type of entity can be detected by locator device. A human operator holds the device in hand to thereby electrically connect to the human operator. The human operator's naturally occurring very low electrical decay time constant is increased through electronic circuitry externally connected to the device. The device is held in a balanced horizontal state, and the operator scans the device in a constant uniform motion back and forth. An antenna extends from the front of the device, and both are acted on by the dielectrophoretic force. This force results in a subsequent resulting torque, acceleration, vibration or any other measurable quantifiable manifestation of the force about the handle's pivot line hence driving the device and its antenna toward the direction and position of any entities of the predetermined type that are within range.

REFERENCES:
patent: 3771152 (1973-11-01), Dettling et al.
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patent: 3898472 (1975-08-01), Long
patent: 4316180 (1982-02-01), LeVert
patent: 4320766 (1982-03-01), Alihanka et al.
patent: 4339709 (1982-07-01), Brihier
patent: 5019804 (1991-05-01), Fraden
patent: 5436613 (1995-07-01), Ghosh et al.
patent: 5446391 (1995-08-01), Aoki et al.

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