Patent US6573757B1 successfully refreshed from Google Patents.
US6573757B1
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Signal line matching technique for ICS/PCBS
Assignee: RPX Corp
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Filing: 2000-09-11
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Granted: 2003-06-03
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Expires: 2020-09-11
Abstract
Abstract An apparatus comprising an output connected to a plurality of inputs through a tree of connections. Each of one or more branches of the tree may be equidistant between the output and each of the plurality of inputs.
Inventors
- 👤 Kevin J. Gallagher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:41
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/0213; H05K1/0237; H05K1/0248; G; G06; G06F; G06F1/00; G06F1/04; G06F1/10; G06F30/00; G06F30/30; G06F30/39; G06F30/394; H05K1/025; H05K2201/00; H05K2201/09; H05K2201/09209; H05K2201/09218; H05K2201/09254; H05K2201/09263; H05K2201/09654; H05K2201/09781
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
64 words
An apparatus comprising: an output connected to a plurality of inputs each along at least two paths through a tree of connections, wherein each of a plurality of branches of said tree is (i) equidistant between said output and each of said plurality of inputs, (ii) provides matched inductance in each branch and (iii) at least one of said inputs comprises a dummy input.
Claim 2
Independent Claim
64 words
An apparatus comprising: an output connected to a plurality of inputs each along at least two paths through a tree of connections, wherein each of a plurality of branches of said tree is (i) equidistant between said output and each of said plurality of inputs, (ii) provides matched inductance in each branch and (iii) at least one of said inputs comprises a dummy input.
Claim 3
Dependent Claim
18 words
The apparatus according to claim 1 , wherein each of said plurality of branches have an equal length.
Claim 4
Dependent Claim
18 words
The apparatus according to claim 1 , wherein said plurality of inputs comprises an odd number of inputs.
Claim 5
Dependent Claim
15 words
The apparatus according to claim 1 , wherein said apparatus comprises an integrated circuit (IC).
Claim 6
Dependent Claim
16 words
The apparatus according to claim 1 , wherein said apparatus comprises a printed circuit board (PCB).
Claim 7
Dependent Claim
15 words
The apparatus according to claim 1 , wherein said plurality of branches provide matched resistance.
Claim 8
Dependent Claim
15 words
The apparatus according to claim 1 , wherein said plurality of branches provide matched capacitance.
Claim 9
Dependent Claim
15 words
The apparatus according to claim 1 , wherein said plurality of inputs comprise input pins.
Claim 10
Dependent Claim
17 words
The apparatus according to claim 1 , wherein said inductance in each of said branches is minimized.
Claim 11
Independent Claim
55 words
An apparatus comprising: means for coupling an output to a plurality of inputs each along at least two paths, wherein at least one of said inputs comprises a dummy input; and means for (i) configuring equidistant branches between said plurality of inputs and said output and (ii) providing matched inductance in each of said branches.
Claim 12
Independent Claim
55 words
An apparatus comprising: means for coupling an output to a plurality of inputs each along at least two paths, wherein at least one of said inputs comprises a dummy input; and means for (i) configuring equidistant branches between said plurality of inputs and said output and (ii) providing matched inductance in each of said branches.
Claim 13
Independent Claim
60 words
A method for providing signal line matching, comprising the steps of: (A) determining a number of inputs, wherein at least one of said inputs comprises a first dummy input; and (B) implementing a plurality of equidistance branches between an output and a plurality of inputs each along at least two paths, wherein each of said branches has a matched inductance.
Claim 14
Independent Claim
60 words
A method for providing signal line matching, comprising the steps of: (A) determining a number of inputs, wherein at least one of said inputs comprises a first dummy input; and (B) implementing a plurality of equidistance branches between an output and a plurality of inputs each along at least two paths, wherein each of said branches has a matched inductance.
Claim 15
Dependent Claim
21 words
The method according to claim 11 , further comprising the step of: (C) determining if said number of inputs is even.
Claim 16
Dependent Claim
22 words
The method according to claim 12 , wherein step (C) further comprises: if said number is even implementing a second dummy input.
Claim 17
Dependent Claim
18 words
The method according to claim 11 , wherein step (B) further comprises determining a number of equidistant branches.
Claim 18
Dependent Claim
19 words
The method according to claim 11 , wherein step (B) further comprises: providing each branch with a matched resistance.
Claim 19
Dependent Claim
19 words
The method according to claim 11 , wherein step (B) further comprises: providing each branch with a matched capacitance.
Claim 20
Dependent Claim
16 words
A computer readable medium configured to store instructions for executing the steps of claim 11 .
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2006-06-02 | 2006-12-02 | 2007-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-06-02 | 2010-12-02 | 2011-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-06-02 | 2014-12-02 | 2015-06-03 | $7700.00 | Window Closed / Lapsed |