Illumination – Self powered lamp – Rechargeable electrical source of with external connections
Patent
1990-05-21
1991-02-05
Husar, Stephen F.
Illumination
Self powered lamp
Rechargeable electrical source of with external connections
362109, F21L 1100
Patent
active
049910698
ABSTRACT:
An end cap for a rechargeable battery apparatus such as medical diagnostic instruments has a built-in diode arranged in series contact with the rechargeable NiCad battery so that current can flow in the battery charging direction only and the battery can not be discharged by shorting of the charging contact to the case.
REFERENCES:
patent: 3643083 (1972-02-01), Heine
patent: 4514790 (1985-04-01), Will
Husar Stephen F.
Welch Allyn Inc.
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