← Back to Patent Explorer
US5787259A Expired / Lapsed US ⏱️ 0.0 years remaining

Digital interconnects of a PC with consumer electronics devices

Assignee: Microsoft Technology Licensing LLC
•
Filing: 1996-03-29
•
Granted: 1998-07-28
•
Expires: 2016-03-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A computer includes a housing, a processor positioned in the housing, and an external bus adapter configured to allow the processor to access consumer electronics devices positioned outside of the housing using an external bus. The processor is configured to produce a first digital audio signal, to mix the first digital audio signal with a second digital audio signal to produce a unified digital audio signal, and to transmit the unified digital audio signal to a consumer electronics device using the external bus.

Inventors

  • 👤 Wassef Haroun
  • 👤 George M. Moore
  • 👤 Forrest Foltz
  • 👤 Edward L. Stubbs
  • 👤 Felix Gerard Torquil Ifor Andrew

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:27
CPC Classifications
H; H04; H04L; H04L12/00; H04L12/28; H04L12/40; H04L12/40052; H04L12/40117; G; G06; G06F; G06F3/00; G06F3/16; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/20; H04B1/205; H04L12/40123; H04N; H04N7/00; H04N7/14; H04N7/141; H04N7/147; H04N5/00; H04N5/44; H04N5/76; H04N5/765

Claims Analysis

Total Claims: 25
Claim 1
Independent Claim 93 words
A computer comprising: a housing; a processor positioned in the housing; and an external bus adapter configured to allow the processor to access consumer electronics devices positioned outside of the housing using an external bus, and wherein the external bus is an IEEE 1394 bus; and wherein the processor is configured to: produce a first digital audio signal, mix the first digital audio signal with a second digital audio signal to produce a unified digital audio signal, and transmit the unified digital audio signal to a consumer electronics device using the external bus.
Claim 2
Dependent Claim 93 words
A computer comprising: a housing; a processor positioned in the housing; and an external bus adapter configured to allow the processor to access consumer electronics devices positioned outside of the housing using an external bus, and wherein the external bus is an IEEE 1394 bus; and wherein the processor is configured to: produce a first digital audio signal, mix the first digital audio signal with a second digital audio signal to produce a unified digital audio signal, and transmit the unified digital audio signal to a consumer electronics device using the external bus.
Claim 3
Dependent Claim 25 words
The computer of claim 1, wherein the processor is configured to maintain the first digital audio signal in synchronization with the second digital audio signal.
Claim 4
Dependent Claim 27 words
The computer of claim 1, wherein the processor is configured to produce the unified digital audio signal at a sample rate associated with the consumer electronics device.
Claim 5
Dependent Claim 55 words
The computer of claim 1, wherein a first sample rate associated with the first digital audio signal differs from a second sample rate associated with the second digital audio signal, and wherein the processor is configured to account for the difference between the first and second sample rates when producing the unified digital audio signal.
Claim 6
Dependent Claim 54 words
An entertainment system including the computer of claim 1, further comprising: an external bus connected to the external bus adapter of the computer, and a consumer electronics device connected to the external bus to receive the unified digital audio signal and configured to produce an analog audio signal from the unified digital audio signal.
Claim 7
Dependent Claim 32 words
The entertainment system of claim 5, further comprising speakers connected to the consumer electronics device to receive the analog audio signal and configured to produce sound based on the analog audio signal.
Claim 8
Dependent Claim 198 words
A computer system comprising: an eternal bus; a computer including: a housing, a processor positioned in the housing, and an external bus adapter connected between the processor and the external bus and configured to allow the processor to access consumer electronics devices positioned outside of the housing using the external bus, and wherein the processor is configured to produce a first digital audio signal in a format suitable for transmission on the external bus, and wherein the first digital audio signal includes multiple channels encoded as a single digital signal, and transmit the first digital audio signal to a consumer electronics device using the external bus; and a converter positioned outside of the housing of the computer and connected between the external bus and the consumer electronics device, and wherein the converter is configured to receive the first digital audio signal from the external bus, convert the first digital audio signal to a second digital audio signal having a format suitable for use by the consumer electronics device, and wherein the second digital audio signal includes a separate distal signal for each of the multiple channels, and provide the second digital audio signal to the consumer electronics device.
Claim 9
Dependent Claim 198 words
A computer system comprising: an eternal bus; a computer including: a housing, a processor positioned in the housing, and an external bus adapter connected between the processor and the external bus and configured to allow the processor to access consumer electronics devices positioned outside of the housing using the external bus, and wherein the processor is configured to produce a first digital audio signal in a format suitable for transmission on the external bus, and wherein the first digital audio signal includes multiple channels encoded as a single digital signal, and transmit the first digital audio signal to a consumer electronics device using the external bus; and a converter positioned outside of the housing of the computer and connected between the external bus and the consumer electronics device, and wherein the converter is configured to receive the first digital audio signal from the external bus, convert the first digital audio signal to a second digital audio signal having a format suitable for use by the consumer electronics device, and wherein the second digital audio signal includes a separate distal signal for each of the multiple channels, and provide the second digital audio signal to the consumer electronics device.
Claim 10
Dependent Claim 39 words
The computer system of claim 7, wherein the first digital audio signal is a surround sound encoded audio signal and wherein the second digital audio signal includes separate digital audio signals corresponding to left-front, right-front, rear-right and rear-left channels.
Claim 11
Dependent Claim 126 words
A computer system comprising: an external bus; a converter connected to the bus and configured to receive a first digital signal from the external bus, to convert the first digital signal to a second digital signal, and to transmit the second digital signal on the external bus, and wherein the first digital audio signal includes multiple channels encoded as a single digital signal, and wherein the second digital audio signal includes a separate digital signal for each of the multiple channels; and a computer including: a housing, a processor positioned in the housing, and an external bus adapter connected between the processor and the external bus and configured to allow the processor to access consumer electronics devices positioned outside of the housing using the external bus.
Claim 12
Dependent Claim 126 words
A computer system comprising: an external bus; a converter connected to the bus and configured to receive a first digital signal from the external bus, to convert the first digital signal to a second digital signal, and to transmit the second digital signal on the external bus, and wherein the first digital audio signal includes multiple channels encoded as a single digital signal, and wherein the second digital audio signal includes a separate digital signal for each of the multiple channels; and a computer including: a housing, a processor positioned in the housing, and an external bus adapter connected between the processor and the external bus and configured to allow the processor to access consumer electronics devices positioned outside of the housing using the external bus.
Claim 13
Dependent Claim 58 words
The computer system of claim 9, wherein the processor is configured to produce the first digital signal, wherein the external bus adapter is configured to transmit the first digital signal on the external bus to the converter, and wherein the converter is configured to transmit the second digital signal on the external bus to a consumer electronics device.
Claim 14
Dependent Claim 82 words
A computer comprising: a housing; a processor positioned in the housing; and an external bus adapter configured to allow the processor to access consumer electronics devices positioned outside of the housing using an external bus and wherein the external bus is an IEEE 1394 bus; and wherein the processor is configured to: produce a digital command signal for changing an operating parameter of a consumer electronics device, and transmit the digital command signal to the consumer electronics device using the external bus.
Claim 15
Dependent Claim 82 words
A computer comprising: a housing; a processor positioned in the housing; and an external bus adapter configured to allow the processor to access consumer electronics devices positioned outside of the housing using an external bus and wherein the external bus is an IEEE 1394 bus; and wherein the processor is configured to: produce a digital command signal for changing an operating parameter of a consumer electronics device, and transmit the digital command signal to the consumer electronics device using the external bus.
Claim 16
Dependent Claim 25 words
A computer system including the computer of claim 11, further comprising an external bus connected to the external bus adapter and a consumer electronics device.
Claim 17
Dependent Claim 24 words
The computer system of claim 12, wherein the consumer electronics device is connected to the external bus for receipt of the digital command signal.
Claim 18
Dependent Claim 44 words
The computer system of claim 12, wherein the consumer electronics device is configured to receive infrared control signals, the system further comprising an infrared transmitter connected to the external bus and configured to produce an infrared signal in response to the digital command signal.
Claim 19
Independent Claim 110 words
A method of obtaining control information for a consumer electronics devices in a system in which a computer accesses consumer electronics devices using an external bus, the method comprising the steps of: storing control information for the consumer electronics device in a read only memory of the consumer electronics device, attaching the consumer electronics device to an IEEE 1394 external bus, controlling the computer to query the read only memory of the consumer electronics device, transmitting the control information from the consumer electronics device to the computer using the external bus, and controlling the computer to store the control information upon receipt of the control information from the external bus.
Claim 20
Independent Claim 110 words
A method of obtaining control information for a consumer electronics devices in a system in which a computer accesses consumer electronics devices using an external bus, the method comprising the steps of: storing control information for the consumer electronics device in a read only memory of the consumer electronics device, attaching the consumer electronics device to an IEEE 1394 external bus, controlling the computer to query the read only memory of the consumer electronics device, transmitting the control information from the consumer electronics device to the computer using the external bus, and controlling the computer to store the control information upon receipt of the control information from the external bus.
Claim 21
Dependent Claim 169 words
A digitally interconnected entertainment system comprising: a plurality of consumer electronics devices; a digital communications bus connected to said plurality of consumer electronics devices, said bus transferring digital audio data to and from said plurality of consumer electronics devices; and a computer system connected to the digital communication bus and adapted to receive digital audio data from at least one of said consumer electronics devices and to send digital audio data to at least one other consumer electronics device, said compeller system comprising: a central processing unit; means for digitally connecting said central processing unit to said digital communications bus; and said central processing unit comprising program means for digitally mixing first and second digital audio signals to produce a unified digital audio signal, and for transmitting the unified digital audio signal to said at least one other consumer electronics device to produce an analog audio stream with negligible degradation of audio quality due to the digital mixing and transmitter to said at least one other consumer electronics device.
Claim 22
Dependent Claim 169 words
A digitally interconnected entertainment system comprising: a plurality of consumer electronics devices; a digital communications bus connected to said plurality of consumer electronics devices, said bus transferring digital audio data to and from said plurality of consumer electronics devices; and a computer system connected to the digital communication bus and adapted to receive digital audio data from at least one of said consumer electronics devices and to send digital audio data to at least one other consumer electronics device, said compeller system comprising: a central processing unit; means for digitally connecting said central processing unit to said digital communications bus; and said central processing unit comprising program means for digitally mixing first and second digital audio signals to produce a unified digital audio signal, and for transmitting the unified digital audio signal to said at least one other consumer electronics device to produce an analog audio stream with negligible degradation of audio quality due to the digital mixing and transmitter to said at least one other consumer electronics device.
Claim 23
Dependent Claim 126 words
A digitally interconnected entertainment system comprising: at least one consumer electronics device; a digital communications bus interconnecting said at least one consumer electronics device and a computer system, said bus transferring digital audio data to and from said at least one consumer electronics device; and said computer system being adapted to send digital audio data to said at least one consumer electronics device, said computer system comprising: means for digitally connecting said computer system to said digital communications bus; and program means for digitally mixing first and second digital audio signals to produce a unified digital audio signal, and for transmitting the unified digital audio signal to said at least one consumer electronics device to produce an analog audio stream with negligible degradation of audio quality.
Claim 24
Dependent Claim 126 words
A digitally interconnected entertainment system comprising: at least one consumer electronics device; a digital communications bus interconnecting said at least one consumer electronics device and a computer system, said bus transferring digital audio data to and from said at least one consumer electronics device; and said computer system being adapted to send digital audio data to said at least one consumer electronics device, said computer system comprising: means for digitally connecting said computer system to said digital communications bus; and program means for digitally mixing first and second digital audio signals to produce a unified digital audio signal, and for transmitting the unified digital audio signal to said at least one consumer electronics device to produce an analog audio stream with negligible degradation of audio quality.
Claim 25
Dependent Claim 48 words
A digitally interconnected entertainment system as recited in claim 17 further comprising at least one other consumer electronics device connected to said computer system by said digital communications bus, said at least one other consumer electronics device being adapted to transfer digital audio data to said computer system.

References Cited (Backward Citations)

US5226000A Cited
US5283819A Cited
US5283638A Cited
US5297231A Cited
US5402499A Cited
US5479445A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-07-27 2002-01-26 2002-07-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-07-27 2006-01-26 2006-07-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-07-27 2010-01-26 2010-07-28 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag