Chemistry: electrical current producing apparatus – product – and – Having polarity safety feature
Patent
1995-06-07
1998-03-31
Nuzzolillo, M.
Chemistry: electrical current producing apparatus, product, and
Having polarity safety feature
429 9, 429 97, H01M 210
Patent
active
057336733
ABSTRACT:
A method and apparatus to detect the imminent removal of the battery from a portable electronic device and to automatically shut off said device before electrical power from the battery is lost.
REFERENCES:
patent: 4690878 (1987-09-01), Nakamura
patent: 5212021 (1993-05-01), Smith et al.
patent: 5402008 (1995-03-01), St. John
Norand Corporation
Nuzzolillo M.
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