Personal on-demand audio entertainment device that is untethered and allows wireless download of content
First Claim
1. A personal on-demand audio entertainment device comprising:
- a base transmitter unit connected to a digital audio signal source;
a remote control unit comprising;
a display;
a plurality of controls; and
a control transmitter to transmit control signals;
and a headphone comprising;
a first receiver for wireless downloading of said digital audio signals from said base transmitter;
a storage device for storing downloaded said digital audio signals;
a decoder for converting said stored digital audio signals into analog audio signals;
an amplifier to increase the amplitude of said analog audio signals;
a transducer for converting said analog audio signals into sound waves during audio playback;
a second receiver for wireless reception of said control signals from said remote control unit; and
a control circuit to interpret said control signals providing control of said playback.
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Accused Products
Abstract
Described is a personal on-demand audio entertainment system with a base unit attached to a personal computer or other source, a headphone unit and a remote control unit. The base unit transmits digital audio content to the headphone unit using infrared, radio frequency, magnetic or electromagnetic coupling. These data are stored in solid-state memory within the headphone unit. In the headphone unit, the stored digital audio content is converted to analog audio signals, amplified and sent to transducers for conversion to audio signal for the listener during playback. The system is designed such that playback may occur during the downloading process. The remote control unit also uses infrared, radio frequency, magnetic or electromagnetic coupling for communication to the headphone unit. This communication is made using a different channel and does not interfere with the audio data downloading. The remote control unit has a display and allows for control of player functions and modification of audio characteristics such as volume, bass, treble, balance, etc.
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Citations
33 Claims
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1. A personal on-demand audio entertainment device comprising:
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a base transmitter unit connected to a digital audio signal source;
a remote control unit comprising;
a display;
a plurality of controls; and
a control transmitter to transmit control signals;
and a headphone comprising;
a first receiver for wireless downloading of said digital audio signals from said base transmitter;
a storage device for storing downloaded said digital audio signals;
a decoder for converting said stored digital audio signals into analog audio signals;
an amplifier to increase the amplitude of said analog audio signals;
a transducer for converting said analog audio signals into sound waves during audio playback;
a second receiver for wireless reception of said control signals from said remote control unit; and
a control circuit to interpret said control signals providing control of said playback. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A personal on-demand audio entertainment device comprising:
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a base transmitter unit connected to a digital audio signal source;
a remote control unit comprising;
a display;
a plurality of controls; and
a control transmitter to transmit control signals;
and a headphone comprising;
a first receiver for downloading of said digital audio signals from said base transmitter;
a storage device for storing said digital audio signals;
a decoder for converting said stored digital audio signals into analog audio signals;
an amplifier to increase the amplitude of said analog audio signals;
a transducer for converting said analog audio signals into sound waves during audio playback wherein said downloading of said digital audio signals from said base transmitter may occur simultaneously with said audio playback;
a second receiver for receiving said control signals from said remote control unit; and
a control circuit to interpret said control signals providing control of said playback. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A personal on-demand audio entertainment device comprising:
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a base transmitter unit connected to a digital audio signal source;
a remote control unit comprising;
a display;
a plurality of controls; and
a control transmitter to transmit control signals;
and a headphone comprising;
a first receiver for downloading of said digital audio signals from said base transmitter;
a storage device for storing said digital audio signals;
a decoder for converting said stored digital audio signals into analog audio signals;
an amplifier to increase the amplitude of said analog audio signals;
a transducer for converting said analog audio signals into sound waves during audio playback wherein said downloading of said digital audio signals from said base transmitter may occur simultaneously with said audio playback;
a second receiver for receiving said control signals from said remote control unit wherein said downloading of said digital audio signals from said base transmitter may occur simultaneously while said headphones are receiving said control signals; and
a control circuit to interpret said control signals providing control of said playback. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33)
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Specification