Hand held computerized data collection terminal with rechargeable battery pack sensor and battery power conservation
摘要
An improved hand-held data terminal is provided. A sensing circuit senses the presence of rechargeable batteries. A rechargeable battery pack can be used in the hand-held data terminal. The battery pack can include a short circuit element. The short circuit element comes into contact with the hand-held data terminal when the rechargeable battery pack is assembled with the hand-held data terminal. The short circuit element, when in contact with the hand-held data terminal, serves to indicate the presence of the rechargeable battery pack and to thereby enable the recharging capabilities of the hand-held data terminal. A battery pack which does not contain the short circuit element cannot be recharged by the hand-held data terminal since the recharging circuit of the data terminal would remain in a disabled state. Further, the battery pack can be shaped asymmetrically so that it can only be assembled with the hand-held data terminal in an operational orientation.
申请公布号
US5602456(A)
申请公布日期
1997.02.11
申请号
US19950489887
申请日期
1995.06.13
申请人
CARGIN, JR., KEITH K.;BOATWRIGHT, DARRELL L.;KELLY, STEPHEN J.;GIBBS, WILLIAM T.
发明人
CARGIN, JR., KEITH K.;BOATWRIGHT, DARRELL L.;KELLY, STEPHEN J.;GIBBS, WILLIAM T.