Wireless microphone for use with an in-car video system

G - Physics – 08 – B

Patent

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Details

G08B 21/00 (2006.01) G08B 13/16 (2006.01) G08B 13/196 (2006.01) G08B 25/10 (2006.01) H04B 1/034 (2006.01)

Patent

CA 2454724

An in-car video system and method is provided where a wireless microphone is configured with bi-directional communications capability. In response to a received RF activation signal, the wireless microphone is automatically switched on to capture (and transmit back to the in-car video system) an audio soundtrack that accompanies the images captured by the car-mounted video camera. A wireless microphone controller mounted in the car transmits the RF activation signal to the wireless microphone. The wireless microphone controller is arranged to transmit the RF activation signal when the VCR starts recording. In an illustrative embodiment of the invention, the wireless microphone receives information, including a confirmation that the VCR is recording, from an RF information signal recieved from the wireless microphone controller mounted in the car. The wireless microphone displays the information to the officer on a display screen. The wireless microphone sounds an audible alert it receives the RF activation or information signals.

L'invention concerne un procédé et un système vidéo monté a bord d'un véhicule automobile comprenant un microphone sans fil à capacité de communication bidirectionnelle. En réponse à un signal d'activation à haute fréquence reçu, le microphone sans fil est automatiquement mis en fonctionnement pour capturer (et envoyer audit système vidéo) une piste sonore audio qui accompagne les images capturées par la caméra vidéo montée à bord du véhicule. Un dispositif de commande du microphone sans fil monté à bord du véhicule transmet le signal d'activation à haute fréquence au microphone sans fil. Ledit dispositif de commande du microphone sans fil est agencé de façon à émettre le signal d'activation à haute fréquence lorsque le magnétoscope commence à enregistrer. Dans un mode de réalisation illustratif de l'invention, le microphone sans fil reçoit des informations, notamment une confirmation que le magnétoscope est en train d'enregistrer, à partir d'un signal d'information à haute fréquence reçu dudit dispositif de commande du microphone sans fil monté à bord du véhicule. Le microphone sans fil affiche les informations à l'agent sur un écran d'affichage. Le microphone sans fil déclenche un signal d'alarme audible lorsqu'il reçoit les signaux d'activation ou d'information à haute fréquence.

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