Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1996-09-30
1998-06-30
Wong, Peter S.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
280 33991, H01M 1044, H01M 1046, B62D 3900
Patent
active
057739544
ABSTRACT:
A charging station for charging a battery that powers a portable data collection device. The shopping cart carrying the data collection device is provided with one or more connection elements that engage a guide rail of the charging station and conduct current to the battery disposed on the cart. The data collection device is mountable to a shopping cart and includes a housing having a clamping assembly for releasably clamping the housing to a pushing bar of a shopping cart. The housing defines an interior region supporting device electronics. The device further includes an interactive touch sensitive visual display screen and a retractable, tethered dataform reader releasably mounted on the housing. When mounted on the housing, an imaging assembly and illumination assembly of the reader are continuously actuated to read a dataform presented to the reader. When removed from the housing, the reader is actuated by depressing a trigger on the reader. The device also includes a magnetic stripe reading assembly and communications circuitry including a radio transceiver module.
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patent: 5250789 (1993-10-01), Johnsen
patent: 5295064 (1994-03-01), Malec et al.
patent: 5323098 (1994-06-01), Hamaguchi et al.
patent: 5361871 (1994-11-01), Gupta et al.
Law Patrick B.
Telxon Corporation
Wong Peter S.
LandOfFree
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