Wireless microphone for use with an in-car video system

  • US 7,119,832 B2
  • Filed: 07/23/2001
  • Issued: 10/10/2006
  • Est. Priority Date: 07/23/2001
  • Status: Active Grant
First Claim
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1. A vehicle-mounted base station for use in a vehicle-mounted surveillance system including a video recording device and for use with a wireless microphone, the wireless microphone being operational-mode switchable in response to an RF activation signal, comprising:

  • an input coupled to receive an operational status signal from the video surveillance system indicative of an operational status of the video recording device;

    a controller coupled to the input to receive the operational status signal and for generating an RF activation signal when the operational status signal indicates that the video recording device is in recording mode; and

    an RF transmitter arranged for transmitting the RF activation signal to the wireless microphone to switch the wireless microphone into a transmit mode from a standby mode.

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