Ruggedized tradesworkers radio

  • US 6,308,059 B1
  • Filed: 12/11/1998
  • Issued: 10/23/2001
  • Est. Priority Date: 12/12/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A combination battery charger and portable radio comprising:

  • an enclosure;

    a radio disposed in said enclosure and including a radio receiver for receiving radio signals and generating audio output signals responsive thereto;

    an AC powered DC power supply disposed in said enclosure for powering said radio and generating a first DC output voltage having a magnitude sufficient to power said radio;

    a removable DC power supply disposed in said enclosure for powering said radio, said removable DC power supply being selected to generate a second DC output voltage having a magnitude in a range that includes voltages both lower and higher than the magnitude of said first DC output voltage from said AC powered DC power supply; and

    a power conversion circuit disposed between said AC powered DC power supply and said removable DC power supply, and between said radio and said removable DC power supply, to enable said removable DC power supply to power said radio and be charged by said AC powered DC power supply, regardless of the magnitude of the second DC output voltage from said removable DC power supply.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×