Metal detector coil

Details Metal detector coil Metal detector coil

1988-01-11

1989-09-12

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

324243, 340572, G08B 1324

Patent

active

048664243

ABSTRACT:
A coil for a metal detector is constructed from a ribbon cable having a plurality of spaced parallel conductors. The ribbon is formed into a loop where its opposing ends confront each other. The conductors are joined in an off-set manner at the end of the cable to form a single conductor into a loop. Various configurations of coil placement are shown to compensate for various external disturbances such as nearby metal objects, for example.

REFERENCES:
patent: 2735980 (1956-02-01), Wait
patent: 3697996 (1972-10-01), Elder et al.
patent: 3758849 (1973-09-01), Susman et al.
patent: 3765007 (1973-10-01), Elder
patent: 4012690 (1977-03-01), Heytow
patent: 4024468 (1977-05-01), Hirschi
patent: 4539558 (1985-09-01), Fearon
patent: 4605898 (1986-08-01), Aittoniemi et al.
patent: 4654641 (1987-03-01), Ferguson et al.

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