| US 7,609,005 B2 | ||
| Circuitry for portable lighting devices and portable rechargeable electronic devices | ||
| Stacey H. West, Upland, Calif. (US) | ||
| Assigned to Mag Instrument, Inc., Ontario, Calif. (US) | ||
| Filed on Sep. 07, 2006, as Appl. No. 11/517,627. | ||
| Application 11/517627 is a division of application No. 11/007771, filed on Dec. 07, 2004. | ||
| Prior Publication US 2007/0064354 A1, Mar. 22, 2007 | ||
| Int. Cl. H05B 37/00 (2006.01) | ||
| U.S. Cl. 315—200A [315/209 R; 315/308; 361/18; 361/78] | 23 Claims |
| 1. A rechargeable electronic device comprising:
a main power circuit including a DC power source and a power consuming load;
a first charging contact electrically coupled to a first electrode of the power source via a first electrical path;
a second charging contact electrically coupled to a second electrode of the power source via a second electrical path; and
a short protection circuit configured to open the first electrical path at a location that is not within the main power circuit
if the first charging contact and the second charging contact are shorted together.
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