Universal battery charging apparatus
Battery pack and container
Method for fabricating a rechargeable electrical cell pack having over-current protection
Specific gravity transducer and battery performance indicator
Timed voltage clamp for battery charger
Battery containment apparatus for electronic flash
ApplicationNo. 108248 filed on 08/19/1993
US Classes:320/106, MEANS TO IDENTIFY CELL OR BATTERY TYPE429/97Having switch or interlock means
ExaminersPrimary: Tso, Edward H.
Attorney, Agent or Firm
Foreign Patent References
International ClassH01M 010/48
Foreign Application Priority Data1992-09-18 JP
AbstractThe present invention is directed to a battery pack in which it can be detected with ease whether a battery pack is properly attached to a battery charger or a power supply of electrical machinery and apparatus. A battery pack (10) that accommodates therein a battery includes at its central bottom surface a detection aperture (104) that is engaged with an engagement portion formed at a connection portion of a battery charger or electrical machinery and apparatus to which the battery pack is connected to thereby detect the kind of the battery. Also, the battery pack (10) includes on its bottom surface a detection aperture (106) that is engaged with an engagement portion formed at a connection portion of the battery charger or electrical machinery and apparatus to which the battery pack is connected to thereby detect an electric power output amount of the battery.
Field of SearchWITH NONBATTERY ELECTRICAL COMPONENT ELECTRICALLY CONNECTED WITHIN CELL CASING OTHER THAN TESTING OR INDICATING COMPONENTS
CELL SUPPORT FOR REMOVABLE CELL
Having switch or interlock means
For plural cells
Support or holder per se
Having unit enclosing housing
Cell enclosure structure, e.g., housing, casing, container, cover, etc.
Having outer nonreactive housing, casing, or jacket
Electrical contact terminal plate or cap clamped to or embedded in a portion of the housing