Patent US4112326A successfully refreshed from Google Patents.
US6444902B1
Expired / Lapsed
US
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Electrical cable
Assignee: Hon Hai Precision Industry Co Ltd
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Filing: 2001-04-10
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Granted: 2002-09-03
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Expires: 2021-04-10
Abstract
Abstract An electrical cable ( 1 ) for signal transmission includes a pair of signal transmission groups ( 12 ), a single non-insulated first drain wire ( 14 ) sandwiched between adjacent inner sides ( 154 ) of the signal transmission groups and a pair of non-insulated second drain wires ( 16 ) disposed at opposite outer sides ( 156 ) of the transmission groups. Each signal transmission group has a pair of insulated signal conductors ( 13 ) and a layer ( 15 ) of shielding surrounding the insulated signal conductors. Both the first and second drain wires are electrically contacted with outside surfaces ( 152 ) of the layers of shielding for providing grounding function. All the signal conductors and the first and second drain wires are arranged side by side and their axes fall on a common plane ( 10 ). An optional jacket ( 17 ) is wrapped on the signal transmission groups and the first and second drain wires.
Inventors
- 👤 Pei Tsao
- 👤 Frank Quach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:19
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/08; H01B7/0861; H01B11/00; H01B11/02; H01B11/06; H01B11/10; H01B11/1091; H01B11/18; H01B11/20; H01B11/203
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
99 words
An electrical cable comprising a pair of signal transmission groups each group having a pair of insulated signal conductors and a layer of shielding wrapped on the insulated signal conductors, a single non-insulated first drain wire sandwiched between adjacent inner sides of the signal transmission groups, and a pair of non-insulated second drain wires disposed at opposite outer sides of the transmission groups, both the first and second drain wires being conductively contacted with outside surfaces of the pair of layers of shielding, wherein the first drain wire has a cross-section larger than that of the second drain wire.
Claim 2
Dependent Claim
99 words
An electrical cable comprising a pair of signal transmission groups each group having a pair of insulated signal conductors and a layer of shielding wrapped on the insulated signal conductors, a single non-insulated first drain wire sandwiched between adjacent inner sides of the signal transmission groups, and a pair of non-insulated second drain wires disposed at opposite outer sides of the transmission groups, both the first and second drain wires being conductively contacted with outside surfaces of the pair of layers of shielding, wherein the first drain wire has a cross-section larger than that of the second drain wire.
Claim 3
Dependent Claim
20 words
The electrical cable as claimed in claim 1 , wherein the layer of shielding is made up of aluminum foil.
Claim 4
Dependent Claim
35 words
The electrical cable as claimed in claim 1 , wherein all of the signal conductors and the first and second drain wires are arranged side by side and their axes fall on a common plane.
Claim 5
Dependent Claim
29 words
The electrical cable as claimed in claim 1 , wherein an outer jacket is wrapped on all of the signal transmission groups and the first and second drain wires.
Claim 6
Dependent Claim
106 words
An electrical cable comprising at least side by side one pair of signal transmission groups each group having a pair of insulated signal conductors surrounded by a layer of shielding, one single non-insulated drain wire sandwiched between said pair of signal transmission groups in mechanical and electrical contact with the corresponding layers of shielding, and at least one additional non-insulated drain wire disposed at one lateral end of one of said pair of signal transmission groups in contact with the corresponding layer of shielding opposite to said single drain wire, wherein said single drain wire has a cross-section larger than that of the additional drain wire.
Claim 7
Dependent Claim
106 words
An electrical cable comprising at least side by side one pair of signal transmission groups each group having a pair of insulated signal conductors surrounded by a layer of shielding, one single non-insulated drain wire sandwiched between said pair of signal transmission groups in mechanical and electrical contact with the corresponding layers of shielding, and at least one additional non-insulated drain wire disposed at one lateral end of one of said pair of signal transmission groups in contact with the corresponding layer of shielding opposite to said single drain wire, wherein said single drain wire has a cross-section larger than that of the additional drain wire.
Claim 8
Dependent Claim
33 words
The cable as claimed in claim 5 , wherein said pair of signal transmission groups, said single drain wire and said additional drain wire are aligned along a lateral direction of said cable.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2005-09-02 | 2006-03-04 | 2006-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-09-02 | 2010-03-04 | 2010-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-09-02 | 2014-03-04 | 2014-09-03 | $7700.00 | Window Closed / Lapsed |