Patents by Inventor Daniel Eric Losser

Daniel Eric Losser 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).

  • Voltage controlled attenuator for multi-band and multi-mode transmitter and method thereof
    Patent number: 6813480
    Abstract: The present invention describes a voltage controlled attenuator (VCA) to control an output power level of a radio frequency (RF) signal and to direct the RF signal to an appropriate path for a multi-mode and multi-band radiotelephone without using an external switch and without using multiple common VCAs. The present invention comprises a single differential amplifier and a plurality of steering blocks with each of steering blocks having a path dedicated to a specific RF band and a specific RF mode, having a pair of steering lines to control the RF signal level by having a differential voltage applied, and being capable of being disabled by having its steering lines grounded.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: November 2, 2004
    Assignee: Motorola, Inc.
    Inventors: Daniel Eric Losser, Arul Balasubramaniyan, Dan Nobbe
  • Voltage controlled attenuator for multi-band and multi-mode transmitter and method thereof
    Publication number: 20030054779
    Abstract: The present invention describes a voltage controlled attenuator (VCA) to control an output power level of a radio frequency (RF) signal and to direct the RF signal to an appropriate path for a multi-mode and multi-band radiotelephone without using an external switch and without using multiple common VCAs. The present invention comprises a single differential amplifier and a plurality of steering blocks with each of steering blocks having a path dedicated to a specific RF band and a specific RF mode, having a pair of steering lines to control the RF signal level by having a differential voltage applied, and being capable of being disabled by having its steering lines grounded.
    Type: Application
    Filed: September 19, 2001
    Publication date: March 20, 2003
    Inventors: Daniel Eric Losser, Arul Balasubramaniyan, Dan Nobbe