Audio amplification system
First Claim
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1. An audio amplification system comprising:
- (a) an audio amplifier including a radio frequency transceiver, an infrared transceiver, and an antenna,(b) a first wireless microphone including a microphone head, a radio frequency transceiver, an infrared receiver, and an antenna;
wherein(c) the audio amplifier is configured to transmit first infrared signals to the first wireless microphone containing a first channel code representative of a first particular transmission channel, and the first wireless microphone is arranged to transmit first radio frequency signals representative of audio signals from said first wireless microphone to the audio amplifier over the first particular transmission channel in response to receiving the first infrared signal.
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Abstract
A wireless audio amplification system for classrooms and the like includes a system that allows for advanced listening and learning audio tools. The invention combines radio frequency and infrared technologies into one integrated system. A microphone includes a radio frequency receiver and an infrared transceiver. The microphone transmits voice signals to an audio amplifier unit that includes a radio frequency transceiver and an infrared transceiver.
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Citations
20 Claims
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1. An audio amplification system comprising:
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(a) an audio amplifier including a radio frequency transceiver, an infrared transceiver, and an antenna, (b) a first wireless microphone including a microphone head, a radio frequency transceiver, an infrared receiver, and an antenna;
wherein(c) the audio amplifier is configured to transmit first infrared signals to the first wireless microphone containing a first channel code representative of a first particular transmission channel, and the first wireless microphone is arranged to transmit first radio frequency signals representative of audio signals from said first wireless microphone to the audio amplifier over the first particular transmission channel in response to receiving the first infrared signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of providing amplified audio signals using a wireless microphone, comprising:
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providing an audio amplifier including a radio frequency transceiver, an infrared transceiver, and an antenna; providing a first wireless microphone including a microphone head, a radio frequency transceiver, an infrared receiver, and an antenna; transmitting from said audio amplifier to said first wireless microphone a first infrared signal containing a first channel code representative of a first particular transmission channel; receiving the first infrared signal by the first wireless microphone, and transmitting from the first wireless microphone to the audio amplifier a first radio frequency signal containing audio signals from the first wireless microphone over the first particular transmission channel; and receiving at the audio amplifier the first radio frequency signal and producing an amplified audio signal for output to a speaker. - View Dependent Claims (19)
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20. An audio amplification system comprising:
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(a) an audio amplifier including a microprocessor, a radio frequency transceiver, an infrared transceiver, an antenna, amplification electronics and at least one speaker, (b) a first wireless microphone including a microphone head, a radio frequency transceiver, an infrared receiver, a microprocessor and an antenna; wherein the audio amplifier is configured to transmit first infrared signals to the first wireless microphone containing a channel code representative of a first particular transmission channel, and the first wireless microphone is arranged to transmit first radio frequency signals representative of audio signals from said first wireless microphone to the audio amplifier over the first particular transmission channel in response to receiving the first infrared signal; and a second wireless microphone, and wherein the audio amplifier is configured to transmit second infrared signals different from said first infrared signals to the second wireless microphone containing a second channel code representative of a second particular transmission channel, and the second wireless microphone is arranged to transmit second radio frequency signals representative of audio signals from said second wireless microphone to the audio amplifier over the second particular transmission channel.
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Specification