×

Battery backup systems and methods for vehicle phone systems

  • US 8,812,061 B2
  • Filed: 12/10/2010
  • Issued: 08/19/2014
  • Est. Priority Date: 12/10/2010
  • Status: Expired due to Fees
First Claim
Patent Images

1. A battery backup system for use with vehicle telematics electronics, comprising:

  • a phone module configured for operation by the vehicle telematics electronics;

    a battery module configured to provide power to the phone module; and

    a circuit configured to determine that backup power is needed and to cause the battery module to provide the backup power to the phone module for initiating a transmission via the phone module without providing operating power to the vehicle telematics electronics,wherein the battery module provides a low voltage output that meets a minimum power requirement of the phone module and does not meet a minimum power requirement of the vehicle telematics electronics,and wherein the circuit determines that backup power is needed in response to;

    (a) a determination of a loss of primary power, and(b) at least one of a collision detect signal, an airbag deployment signal, or an automatic collision notification signal.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×