Patents by Inventor Frank D. McCaleb

Frank D. McCaleb has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Battery charger contact protection circuit
    Patent number: 5504411
    Abstract: A battery charger contact protection circuit (10) including a metal oxide field effect transistor (16) is provided. The battery charger contact protection circuit (10) adds the advantages of reducing heat, reducing cost, and providing flexibility in the charging of various types of battery chemistries. Excess heat is eliminated by reducing the amount of charge dissipated by the contact protection circuit.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: April 2, 1996
    Assignee: Motorola, Inc.
    Inventors: Frank D. McCaleb, Scott Garrett, Kuruvilla Valakuzhy
  • Lithium battery deactivator
    Patent number: 5119009
    Abstract: A Lithium battery includes a switch to operatively activate the discharging circuit so that Lithium may be inactivated for safe disposal of the battery.
    Type: Grant
    Filed: April 20, 1989
    Date of Patent: June 2, 1992
    Assignee: Motorola, Inc.
    Inventors: Frank D. McCaleb, Basil Pagones
  • Lithium battery deactivator
    Patent number: 4965505
    Abstract: A Lithium battery includes a switch to operatively activate the discharging circuit so that Lithium may be inactivated for safe disposal of the battery.
    Type: Grant
    Filed: April 20, 1989
    Date of Patent: October 23, 1990
    Assignee: Motorola, Inc.
    Inventors: Frank D. McCaleb, Basil Pagones