US6979226B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connector
Assignee: JST Mfg Co Ltd
•
Filing: 2004-07-08
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Granted: 2005-12-27
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Expires: 2024-07-08
Abstract
Abstract The present invention relates to a connector which includes a plug unit and a receptacle. The plug unit includes a housing board and a transmission path board. The housing board has a housing board body and first connection terminals and second connection terminals. The transmission path board has a transmission path board body, plural differential signal patterns which are connected to the first connection terminals and the second connection terminals of the housing board, and high pass filters which are connected to each of the differential signal patterns. The receptacle has a receptacle body and pin contacts. According to the present invention, a low-frequency component of a digital signal is attenuated. Thus, since an attenuation factor of the high-frequency component and an attenuation factor of the low-frequency component of the digital signal can be set substantially the same, the digital signal can be transmitted surely.
Inventors
- 👤 Akihiko Otsu
- 👤 Keiichi Azuma
- 👤 Hiroshi Tokita
- 👤 Noburo Nagashima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:19
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/66; H01R13/719; H01R13/7195; H01R13/648; H01R13/658; H01R13/6581; H01R13/6585; H01R13/6586; H01R13/6587
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
200 words
A connector comprising: a plug unit for being attached to a daughterboard; and a receptacle for being attached to a motherboard and connected electrically to the plug unit; wherein the plug unit includes a housing board and a transmission path board which is attached to a surface of the housing board; wherein the housing board includes: an insulating housing board body of a rectangular planar shape: a first connection terminals which are provided along a first edge of the housing board body; and a second connection terminals which are provided along a second edge adjacent to the first edge of the housing board body; the transmission path board includes: a planar transmission path board body; plural differential signal patterns which are provided on a surface of the transmission path board body and connected to the first connection terminals and the second connection terminals of the housing board; and high pass filters which are provided in the transmission path board body and connected to each of the differential signal patterns; and wherein the receptacle includes: a receptacle body; and pin contacts which are provided in the receptacle body and to which the second connection terminals of the plug unit are connectable.
Claim 2
Dependent Claim
200 words
A connector comprising: a plug unit for being attached to a daughterboard; and a receptacle for being attached to a motherboard and connected electrically to the plug unit; wherein the plug unit includes a housing board and a transmission path board which is attached to a surface of the housing board; wherein the housing board includes: an insulating housing board body of a rectangular planar shape: a first connection terminals which are provided along a first edge of the housing board body; and a second connection terminals which are provided along a second edge adjacent to the first edge of the housing board body; the transmission path board includes: a planar transmission path board body; plural differential signal patterns which are provided on a surface of the transmission path board body and connected to the first connection terminals and the second connection terminals of the housing board; and high pass filters which are provided in the transmission path board body and connected to each of the differential signal patterns; and wherein the receptacle includes: a receptacle body; and pin contacts which are provided in the receptacle body and to which the second connection terminals of the plug unit are connectable.
Claim 3
Dependent Claim
46 words
The connector according to claim 1 , wherein each of the differential signal patterns consist of pairs of signal transmission paths, and wherein the high pass filters consist of resistors and capacitors which are connected in parallel to each of the pairs of signal transmission paths.
Claim 4
Dependent Claim
22 words
The connector according to claim 2 , wherein the resistors and the capacitors which consist the high pass filters are integrally formed.
Claim 5
Dependent Claim
77 words
The connector according to claim 1 , wherein plural fitting grooves are formed at the first edge of the housing board, and wherein the first connection terminals include: shoulder portions which are pressed in the fitting grooves of the housing board; tab portions which are provided in the shoulder portions and connected to the daughterboard; and tail portions which are provided in the shoulder portions and fixed to the differential signal patterns of the transmission path board.
Claim 6
Dependent Claim
79 words
The connector according to claim 1 , wherein plural fitting grooves are formed at the second edge of the housing board, and, wherein the second connection terminals include: shoulder portions which are pressed in the fitting grooves of the housing board; nipping portions which are provided in the shoulder portions and nip pin contacts of the receptacle; and tail portions which are provided in the shoulder portions and fixed to the differential signal patterns of the transmission path board.
Claim 7
Dependent Claim
178 words
The connector according to claim 1 , wherein the plug unit further includes a ground board which is attached to a surface of the housing board opposite to the transmission path board, and wherein the ground board includes: a planar ground board body; plural first ground contacts which are provided in the ground board body and disposed adjacent to the first connection terminals of the housing board; plural second ground contacts which are provided in the ground board body and disposed adjacent to the second connection terminals of the housing board; and plural connection pins which are vertically provided on a surface of the ground board, wherein the transmission path board includes: first ground patterns provided between adjacent differential signal patterns; second ground patterns provided on a surface of the transmission path board body opposite to the first ground patterns; and through-holes which connect the first ground patterns and the second ground patterns, and wherein the connection pins of the ground board inserted in the through-holes of the transmission path board through pierced holes of the housing board.
Claim 8
Dependent Claim
23 words
The connector according to claim 6 , wherein the plug unit further includes an insulating cover housing which covers the transmission path board.
Claim 9
Dependent Claim
31 words
The connector according to claim 7 , wherein the plug unit is connectable to the second connection terminals of the receptacle in a state in which plural plug units are stacked.
References Cited (Backward Citations)
JPH05290916A
Cited
JPH076823A
Cited
JPH07106027A
Cited
JP2000311749A
Cited
US6471549B1
Cited
US6293827B1
Cited
JP2001297831A
Cited
JP2001313109A
Cited
US6572409B2
Cited
US6347962B1
Cited
US6551140B2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2008-12-26 | 2009-06-27 | 2009-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2012-12-26 | 2013-06-27 | 2013-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2016-12-26 | 2017-06-27 | 2017-12-27 | $7700.00 | Window Closed / Lapsed |