Metal detector system having multiple, adjustable transmitter an

Details Metal detector system having multiple, adjustable transmitter an Metal detector system having multiple, adjustable transmitter an

1994-05-20

1995-03-14

Snow, Walter E.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

324202, 324225, 340551, G01R 3312, G01R 3500, G08B 1324

Patent

active

053979869

ABSTRACT:
A metal detector system includes two transmitter-receiver antenna pairs supported by respective side panels of a portal. The relative positions of an adjacent transmitter antenna and receiver antenna within an antenna pair may be adjusted to calibrate the antennas, such as by crossing adjacent antennas or by increasing the distance between adjacent antennas.

REFERENCES:
patent: 3758849 (1973-09-01), Susman et al.
patent: 3763424 (1973-10-01), Bennett, Jr. et al.
patent: 4605898 (1986-08-01), Aittoniemi et al.
patent: 4623842 (1986-11-01), Bell et al.
patent: 4779048 (1988-10-01), Aichele

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