Automatically activated wireless microphone for in-car video system
First Claim
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1. A wireless microphone system for use with a surveillance system for a law enforcement vehicle, wherein said surveillance system includes a video camera and an audio/video recorder, said wireless microphone system comprising:
- an ultrasonic transmitter for generating an ultrasonic signal in response to receiving an activation signal from said surveillance system, a portable wireless microphone adapted to be worn by an operator of said law enforcement vehicle and having an ultrasonic receiver, a microphone component and a radio transmitter, said ultrasonic receiver responsive to an ultrasonic signal received from said ultrasonic transmitter to activate said radio transmitter, said radio transmitter generating a radio signal in response to audio communications received by said microphone component, and a radio receiver responsive to said radio signal for generating audio signals to be recorded by said audio/video recorder.
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Abstract
A wireless microphone system for a vehicle mounted surveillance system including an audio/video recorder, which may be automatically activated. Upon activation by the surveillance system, an ultrasonic transmitter generates an ultrasonic signal which is received by a portable wireless microphone to activate a radio transmitter. The radio transmitter generates a radio signal including audio information which is received by the surveillance system and recorded.
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Citations
17 Claims
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1. A wireless microphone system for use with a surveillance system for a law enforcement vehicle, wherein said surveillance system includes a video camera and an audio/video recorder, said wireless microphone system comprising:
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an ultrasonic transmitter for generating an ultrasonic signal in response to receiving an activation signal from said surveillance system, a portable wireless microphone adapted to be worn by an operator of said law enforcement vehicle and having an ultrasonic receiver, a microphone component and a radio transmitter, said ultrasonic receiver responsive to an ultrasonic signal received from said ultrasonic transmitter to activate said radio transmitter, said radio transmitter generating a radio signal in response to audio communications received by said microphone component, and a radio receiver responsive to said radio signal for generating audio signals to be recorded by said audio/video recorder. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. In combination with a surveillance system for a law enforcement vehicle, a wireless microphone system comprising:
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a video camera mounted in said law enforcement vehicle for generating video signals of an incident viewed by said video camera, a portable wireless microphone adapted to be worn by an operator of said law enforcement vehicle and having an ultrasonic receiver, a microphone component and a radio transmitter, said radio transmitter generating a radio signal in response to audio communications received by said microphone component, a radio receiver responsive to said radio signal for generating audio signals, an audio/video recorder having means for recording said video signals and said audio signals, and an ultrasonic transmitter for generating an ultrasonic signal in response to receiving an actuation signal from said audio/video recorder, said ultrasonic receiver responsive to said ultrasonic signal for activating said radio transmitter. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method of automatically activating a wireless microphone system to input audio information to a surveillance system for a law enforcement vehicle, wherein said surveillance system includes a video camera and an audio/video recorder, said method comprising the steps of:
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generating an ultrasonic signal in response to receiving an activation signal from said surveillance system, receiving said ultrasonic signal at said wireless microphone system, activating a radio transmitter in the wireless microphone system in response to receiving said ultrasonic signal, and transmitting a signal from said transmitter to said audio/video recorder having audio information thereon to be recorded. - View Dependent Claims (16, 17)
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Specification