초록 ▼

A battery strength tester used on a battery which has indicating means to indicate the strength of the battery and switching means which can easily be employed to complete a circuit so as to place the indicator means across the terminals of the battery and display the charge of the battery and where

A battery strength tester used on a battery which has indicating means to indicate the strength of the battery and switching means which can easily be employed to complete a circuit so as to place the indicator means across the terminals of the battery and display the charge of the battery and wherein said switch, after a predetermined interval or temperature is reached, automatically opens to break the electrical contact across the battery terminals. A light emitting material employed as the indicator material is another special feature of the battery strength tester.

대표청구항 ▼

[ Thus, having described the invention, what is claimed is:] [1.] A battery having a battery strength tester having indicator and switching means comprising:a battery having a first terminal and a second terminal;a battery indicator attached to a side of said battery which undergoes a visible change

[ Thus, having described the invention, what is claimed is:] [1.] A battery having a battery strength tester having indicator and switching means comprising:a battery having a first terminal and a second terminal;a battery indicator attached to a side of said battery which undergoes a visible change when an electric current flows through the indicator and a first conductive lead electrically connected between said indicator and said first battery terminal; anda battery switch which switch when activated stays in the activated, on position for an interval during which interval there is provided an indication of the strength of the battery, which switch is disposed over the side of said battery, a second conductive lead extending from said switch to the indicator, said portion of said second conductive lead within said switch comprising a switch contact, and a conductive layer in said switch forming a switch contact and in electrical contact with said second battery terminal, said battery switch being in an electrically open position,whereby after activation of the switch to turn the switch on by electrically connecting the conductive layer and the second conductive lead so that the indicator will be placed in electrical contact across the terminals of the battery for indicating the strength of the battery, the switch automatically turns off after the interval is reached and the strength indicated, the switch automatically reverting to its open position by breaking the electrical contact across the battery terminals.