Patent ID: 7741974

Claim:
A USB port connectible device reminder comprising: transmission circuitry including a transmission control circuit and a RF transmitter disposed on a USB port connectable device and powered in operation by a computer through a USB port; reception/alarm circuitry including a reception/alarm control circuit, a RF receiver, and an alarm generator disposed on a portable base for the USB port connectible device, said portable base having a DC power source and a power switch for selectively powering said reception/alarm circuitry; said RF transmitter transmitting, when powered, an RF signal of limited range receivable by said RF receiver when powered by said DC power source; said alarm generator generating an alarm, when powered, activated by said reception/alarm control circuit in response to cessation of reception of said RF signal of limited range; said transmission control circuit possessing memory with an identification (ID) number transmittable by said transmitter such that said RF signal carries said ID number; said reception/alarm control circuit recognizing said ID number and activating said alarm generator only in response to cessation of reception of said RF signal carrying said ID number; whereby any of exceeding said limited range of said RF signal carrying said ID number and turning off said computer powering said transmission circuitry results in generation of said alarm.