Magnetic locking methods and apparatus

Details Magnetic locking methods and apparatus Magnetic locking methods and apparatus

1980-03-31

1981-09-01

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

324260, 340547, 361143, 73DIG3, G08B 1322

Patent

active

042875129

ABSTRACT:
Matching components of a magnetic locking assembly are magnetically attracted into mating relationship until a predetermined magnetic flux is established in one of the components. Such established predetermined flux is monitored to detect locking power diminutions between the locking assembly components. External magnetic fields applied to the locking assembly in an attempt to counterfeit the mentioned predetermined magnetic flux may be detected and indicated for security reasons.

REFERENCES:
patent: 3060370 (1962-10-01), Varterasian
patent: 3195043 (1965-07-01), Burig et al.
patent: 3426166 (1969-02-01), Canceill
patent: 3618066 (1971-11-01), Brommont
patent: 4208656 (1980-06-01), Littwin

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