Portable electronic device for operation by rechargeable or nonrechargeable self-contained battery

Claim 1

A HOUSING FOR MINIATURIZED RADIO APPARATUS HAVING POWER CONSUMING ELECTRICAL COMPONENTS AND ADAPTED FOR OPERATION FROM SELF-CONTAINED BATTERIES WHICH MAY BE OF THE RECHARGEABLE TYPE WITH PROJECTING CONDUCTING TIPS ON ONE END THEREOF, AND OF THE NON-RECHARGEABLE TYPE WITH NO PROJECTING TIPS THEREON, SAID HOUSING INCLUDING IN COMBINATION, AN OPEN END CAVITY EXTENDING ALONG EACH SIDE FOR RECEIVING BATTERIES, FIRST AND SECOND BATTERY CAPS REMOVABLY SECURED RESPECTIVELY WITHIN SAID OPEN ENDS OF EACH CAVITY TO SECURE THE BATTERIES WITHIN SAID CAVITIES, AND MEANS FOR RECHARGING RECHARGEABLE BATTERIES WHILE WITHIN SAID HOUSING FROM AN EXTERNAL POWER SOURCE AND FOR PREVENTING INADVERTENT CHARGING OF NON-RECHARGEABLE BATTERIES, SAID MEANS INCLUDING RESILIENT CONTACT MEANS RESTRAINED WITHIN A PROVIDED RECESS IN EACH OF SAID BATTERY CAPS AND ADAPTED TO ENGAGE THE PROJECTING TIP OF RECHARGEABLE BATTERIES IN SAID CAVITIES TO ESTABLISH ELECTRICAL CONTINUITY TO THE EXTERNAL POWER SOURCE, AND A CONTACT TERMINAL DISPOSED ON SAID HOUSING AND CONNECTED TO THE OTHER END OF THE BATTERIES TO COMPLETE AN ELECTRICAL CIRCUIT TO THE EXTERNAL POWER SOURCE.