IP Library Granted Patent US 7,903,007
Granted Patent B2
US 7,903,007 · App. 12/528,819 · Granted Mar 8, 2011

Method and apparatus for converting signals

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Quick Facts
Patent No.
US 7,903,007
App. No.
12/528,819
Granted
Mar 8, 2011
Kind
B2
Abstract

A method of converting a plurality of input signals on first and second converters, such that the first and second converters are both used when the plurality of signals comprises two signals, characterised in that said method comprises: selecting more than two input signals; determining the type of each selected signal; combining any signals having the same type to form a combined signal; converting one type of signal with the first converter; converting a second type of signal with the second converter wherein the first or second type signals is a combined signal.

Claims (35)

1. A method of converting a plurality of input signals on first and second converters, such that the first and second converters are both used when the plurality of signals comprises at least two signals, said method comprises:

selecting more than two input signals when the plurality of signals comprises more than two signals;

determining the type of each selected signal;

combining any signals having the same type to form a combined signal;

converting signals of a first type with the first converter;

converting signals of a second type with the second converter wherein the first or second type signals is a combined signal;

wherein the step of determining the type of each selected signal comprises determining the input sample rate and/or the bandwidth of each selected signal.

2. The method of claim 1 , wherein the step of selecting more than two signals comprises selecting three signals.

3. The method of claim 1 , wherein combining any signals having the same type comprises carrying out an addition function.

4. The method of claim 1 , wherein combining any signals having the same type comprises carrying out a division function.

5. Apparatus for converting a plurality of signals on first and second converters, such that the first and second converters are both used when the plurality of signals comprises at least two signals, said apparatus comprises:

a selector for detecting if there are more than two signals and for determining the type of each selected signal;

a combining module for combining any signals having the same type to form a combined signal;

wherein the first converter converts signals of a first type and the second converter converts a of signals of a second type, and wherein the first or second type signals is a combined signal, and wherein determining the type of each selected signal comprises determining the input sample rate and/or the bandwidth of each selected signal.

6. The apparatus of claim 5 , wherein the plurality of signals comprises digital audio signals.

7. The apparatus of claim 5 , wherein the type of signals comprises the bandwidths of signals.

8. The apparatus of claim 5 , wherein the type of signals comprises the input sample rate of signals.

9. The apparatus of claim 5 , wherein the first and second converters comprise first and second digital analog converters.

10. A computer program stored on a computer readable medium having embodied thereon computer comprising instructions that when executed by processing circuitry perform the steps comprising:

selecting more than two input signals when the plurality of signals comprises more than two signals;

determining the type of each selected signal;

combining any signals having the same type to form a combined signal;

converting signals of a first type with the first converter;

converting signals of a second type with the second converter wherein the first or second type signals is a combined signal;

wherein the step of determining the type of each selected signal comprises determining the input sample rate and/or the bandwidth of each selected signal.

11. The method of claim 2 , wherein combining any signals having the same type comprises carrying out an addition function.

12. The method of claim 2 , wherein combining any signals having the same type comprises carrying out a division function.

13. The method of claim 3 , wherein combining any signals having the same type comprises carrying out a division function.

14. The apparatus of claim 6 , wherein the type of signals comprises the bandwidths of signals.

15. The apparatus of claim 6 , wherein the type of signals comprises the input sample rate of signals.

16. The apparatus of claim 7 , wherein the type of signals comprises the input sample rate of signals.

17. The apparatus of claim 6 , wherein the first and second converters comprise first and second digital analog converters.

18. The apparatus of claim 7 , wherein the first and second converters comprise first and second digital analog converters.

19. The apparatus of claim 8 , wherein the first and second converters comprise first and second digital analog converters.

20. The computer program of claim 2 , wherein the steps further comprise combining any signals having the same type comprises carrying out an addition function.

Assignments (31)
CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 11759915 AND REPLACE IT WITH APPLICATION 11759935 PREVIOUSLY RECORDED ON REEL 040925 FRAME 0001. ASSIGNOR(S) HEREBY CONFIRMS THE RELEASE OF SECURITY INTEREST. Recorded Feb 17, 2020
From: MORGAN STANLEY SENIOR FUNDING, INC.
To: NXP, B.V. F/K/A FREESCALE SEMICONDUCTOR, INC.
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CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 11759915 AND REPLACE IT WITH APPLICATION 11759935 PREVIOUSLY RECORDED ON REEL 040928 FRAME 0001. ASSIGNOR(S) HEREBY CONFIRMS THE RELEASE OF SECURITY INTEREST. Recorded Jan 17, 2020
From: MORGAN STANLEY SENIOR FUNDING, INC.
To: NXP B.V.
Reel/Frame 052915/0001 →
CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 11759915 AND REPLACE IT WITH APPLICATION 11759935 PREVIOUSLY RECORDED ON REEL 037486 FRAME 0517. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT AND ASSUMPTION OF SECURITY INTEREST IN PATENTS. Recorded Dec 10, 2019
From: CITIBANK, N.A.
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From: NXP B.V.
To: MORGAN STANLEY SENIOR FUNDING, INC.
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CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 12298143 PREVIOUSLY RECORDED ON REEL 038017 FRAME 0058. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY AGREEMENT SUPPLEMENT. Recorded Oct 22, 2019
From: NXP B.V.
To: MORGAN STANLEY SENIOR FUNDING, INC.
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From: NXP B.V.
To: MORGAN STANLEY SENIOR FUNDING, INC.
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CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 12298143 PREVIOUSLY RECORDED ON REEL 039361 FRAME 0212. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY AGREEMENT SUPPLEMENT. Recorded Oct 22, 2019
From: NXP B.V.
To: MORGAN STANLEY SENIOR FUNDING, INC.
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RELEASE OF SECURITY INTEREST Recorded Sep 10, 2019
From: MORGAN STANLEY SENIOR FUNDING, INC.
To: NXP B.V.
Reel/Frame 050745/0001 →
RELEASE OF SECURITY INTEREST Recorded Sep 10, 2019
From: MORGAN STANLEY SENIOR FUNDING, INC.
To: NXP B.V.
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CORRECTIVE ASSIGNMENT TO CORRECT THE TO CORRECT THE APPLICATION NO. FROM 13,883,290 TO 13,833,290 PREVIOUSLY RECORDED ON REEL 041703 FRAME 0536. ASSIGNOR(S) HEREBY CONFIRMS THE THE ASSIGNMENT AND ASSUMPTION OF SECURITY INTEREST IN PATENTS.. Recorded Feb 20, 2019
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From: NXP B.V.
To: MORGAN STANLEY SENIOR FUNDING, INC.
Reel/Frame 042985/0001 →
CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 12681366 PREVIOUSLY RECORDED ON REEL 039361 FRAME 0212. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY AGREEMENT SUPPLEMENT. Recorded May 9, 2017
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From: FREESCALE SEMICONDUCTOR INC.
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CHANGE OF NAME Recorded Nov 8, 2016
From: FREESCALE SEMICONDUCTOR INC.
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To: NXP, B.V., F/K/A FREESCALE SEMICONDUCTOR, INC.
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