US4838814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connector apparatus for connecting a signal line with an external circuit
Assignee: DU PONT JAPAN Ltd A CORP OF USA
•
Filing: 1987-12-15
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Granted: 1989-06-13
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Expires: 2007-12-15
Abstract
Abstract A connector apparatus for making a connection between a signal line and an external circuit is disclosed which comprises a connector body having first and second pairs of terminals, each pair of terminals comprising a pair of contact pins, a first connector element having two terminals each attachable to and detachable from one end of each of the pair of contact pins of the first pair of terminals, the two terminals being connected to the signal line, a second connector element having two terminals each attachable to and detachable from one end of each of the pair of contact pins of the second pair of terminals, and terminating resistor connected between the two terminals in the second connector element, in which the other end of each contact pin of the first and second pairs of terminals is used as an external circuit connector terminal.
Inventors
- 👤 Nobuei Takai
- 👤 Haruo Sakamoto
- 👤 Kouzou Uekido
- 👤 Michiaki Nishiyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:39
CPC Classifications
H; H01; H01R; H01R11/00; H01R31/00; H01R31/02; H01R29/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
143 words
A connector apparatus for making a connection between a signal line and an external circuit, which comprises: a connector body having first and second pairs of terminals, each pair of terminals comprising a pair of contact pins; a first connector element having two terminals each attachable to and detachable from one end of each of the pair of contact pins of the first pair of terminals, the two terminals being connected to the signal line; a second connector element having two terminals each attachable to and detachable from one end of each of the pair of contact pins of the second pair of terminals; and a terminating resistor connected between the two terminals in the second connector element, in which the other end of each contact pin of the first and second pairs of terminals is used as an external circuit connection terminal.
Claim 2
Dependent Claim
143 words
A connector apparatus for making a connection between a signal line and an external circuit, which comprises: a connector body having first and second pairs of terminals, each pair of terminals comprising a pair of contact pins; a first connector element having two terminals each attachable to and detachable from one end of each of the pair of contact pins of the first pair of terminals, the two terminals being connected to the signal line; a second connector element having two terminals each attachable to and detachable from one end of each of the pair of contact pins of the second pair of terminals; and a terminating resistor connected between the two terminals in the second connector element, in which the other end of each contact pin of the first and second pairs of terminals is used as an external circuit connection terminal.
Claim 3
Dependent Claim
66 words
The connector apparatus according to claim 1, in which said second connector element comprises a metal case having said two terminals, and said connector body comprises a metal case having said contact pins and a metal plate placed in contact with the metal case of the second connector element whose two terminals are attached to said one end of the contact pins of the first pair.
Claim 4
Dependent Claim
72 words
The connector apparatus according to claim 1, in which said second connector element comprises an insulating housing which has two female terminals constituting said two terminals, a printed circuit board on which said terminal resistor is mounted, a wire for connecting said two terminals to said printed circuit board, and metal case, for containing said housing, said printed circuit board and said wire, the metal case comprising first and second metal halves.
Claim 5
Dependent Claim
54 words
The connector apparatus according to claim 3, in which said connector body comprises a metal case having said contact pins and a metal plate placed in contact with the metal case of the second connector element whose two female terminals are attached to said one end of the contact pins of the first pair.
Claim 6
Dependent Claim
80 words
The connector apparatus according to claim 3, in which said connector body comprises a metal case which has an opening through which said metal case of said first connector element is inserted into and withdrawn from the metal case of the connector body, said first and second pairs of contact pins, and a metal plate which is placed in contact with an outer surface of the metal case of the second connector element which has been inserted through said opening.
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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) | 1992-06-12 | 1992-12-12 | 1993-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-12 | 1996-12-12 | 1997-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-12 | 2000-12-12 | 2001-06-13 | $7700.00 | Window Closed / Lapsed |