Communications jack with printed wiring board having self-coupling conductors
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01R-024/00
출원번호
US-0051285
(2005-02-04)
등록번호
US-7326089
(2008-02-05)
발명자
/ 주소
Hashim,Amid
출원인 / 주소
CommScope, Inc. of North Carolina
대리인 / 주소
Myers Bigel Sibley & Sajovec
인용정보
피인용 횟수 :
19인용 특허 :
61
초록▼
A communications jack includes: a jack frame having a plug aperture; a plurality of contact wires, the contact wires having free ends that extend into the plug aperture, the free ends of the contact wires being arranged serially in side-by-side relationship; a plurality of insulation displacement co
A communications jack includes: a jack frame having a plug aperture; a plurality of contact wires, the contact wires having free ends that extend into the plug aperture, the free ends of the contact wires being arranged serially in side-by-side relationship; a plurality of insulation displacement connectors; a dielectric mounting substrate, the mounting substrate including a plurality of mounting locations for contact wires and a plurality of mounting locations for insulation displacement connectors; and a plurality of conductors mounted on the substrate, each of the conductors extending, defining a path, and establishing electrical connection between a contact wire mounting location and an insulation displacement connector mounting location. At least one of the conductors includes two self-coupling sections that are immediately adjacent to each other and that have identical instantaneous current direction such that the sections self-couple and cause a localized increase in inductance.
대표청구항▼
The invention claimed is: 1. A communications connector, comprising: a plurality of input terminals; a plurality of output terminals; and a plurality of conductive paths that connect respective ones of the plurality of input terminals to respective ones of the plurality of output terminals; wherein
The invention claimed is: 1. A communications connector, comprising: a plurality of input terminals; a plurality of output terminals; and a plurality of conductive paths that connect respective ones of the plurality of input terminals to respective ones of the plurality of output terminals; wherein at least one of the conductive paths includes two self-coupling sections that are immediately adjacent to each other and that have generally the same instantaneous current direction such that the sections self-couple and cause a localized increase in inductance. 2. The connector defined in claim 1, wherein the two self-coupling sections are adjacent one of the plurality of output terminals. 3. The connector defined in claim 1, wherein the self-coupling sections travel immediately adjacent to each other for about 0.05 to about 0.20 inches. 4. The connector defined in claim 1, wherein a gap between the self-coupling sections is between about 8 and about 15 mils. 5. The connector defined in claim 1, wherein the self-coupling sections cause a localized increase in inductance of between about 2 and about 8 nanohenries. 6. The connector defined in claim 1, wherein the connector comprises a communications jack, wherein each of the plurality of conductive paths are partially implemented on a wiring board, and wherein the two self-coupling sections comprise traces on the wiring board. 7. The connector defined in claim 1, wherein the self-coupling sections are substantially parallel to each other. 8. The connector defined in claim 1, wherein the plurality of conductive paths are configured as differential pairs so that the at least one of the conductive paths is part of one of the differential pairs. 9. The connector defined in claim 8, wherein the localized increase in inductance is selected to provide an input impedance of approximately 100 ohms on the one of the differential pairs that includes the at least one of the conductive paths that includes two self-coupling sections. 10. The connector defined in claim 8, wherein an amount of the localized increase in inductance is selected based at least in part on the amount of improvement the localized increase in inductance provides in the return loss associated with the one of the differential pairs that includes the at least one of the conductive paths that includes two self-coupling sections. 11. The connector defined in claim 10, wherein the self-coupling sections provide at least about 3 dB improvement in return loss above 100 MHz. 12. The connector defined in claim 1, wherein the plurality of conductive paths are configured as differential pairs, wherein the at least one of the conductive paths is a first conductive path of a first of the differential pairs, and wherein a second of the plurality of conductive paths that is a second conductive path of the first of the differential pairs also includes two self-coupling sections that are immediately adjacent to each other and that have generally the same instantaneous current direction such that the sections self-couple and cause a localized increase in inductance. 13. The connector defined in claim 12, wherein at least one of the conductive paths of a second of the differential pairs includes self-coupling sections that are immediately adjacent to each other and that have substantially the same instantaneous current direction such that the sections self-couple and cause a localized increase in inductance. 14. The connector defined in claim 13, wherein the conductive paths of the first of the differential pairs are electrically connected to respective first and second of the plurality of contacts that have free ends that are adjacent to each other, and wherein the conductive paths of the second of the differential pairs are electrically connected to respective third and fourth of the plurality of contacts that have free ends that sandwich the free ends of the first and second of the plurality of contacts. 15. The connector defined in claim 1, the connector further comprising a wiring board, wherein the plurality of input terminals comprise a plurality of contact wires, wherein the plurality of output terminals comprise a plurality of insulation displacement contacts, wherein the wiring board includes a dielectric mounting substrate that has a plurality of mounting locations for respective ones of the plurality of contact wires and a plurality of mounting locations for respective ones of the plurality of insulation displacement contacts, and wherein the plurality of conductive paths comprise a plurality of respective traces on the wiring board that electrically connect a respective one of the plurality of contact wire mounting locations to a respective one of the plurality of insulation displacement contact mounting locations. 16. The connector defined in claim 15, wherein the contact wire mounting locations define two generally parallel lines. 17. The connector defined in claim 15, further comprising a housing having a plug aperture, wherein the plurality of contacts are configured to mate with respective of a plurality of plug contacts when a plug is inserted in the plug aperture. 18. The connector defined in claim 15, wherein the two self-coupling sections are adjacent one of the plurality of insulation displacement contact mounting locations.
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