U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Electrical connectors

Patent 4806110 Issued on February 21, 1989. Estimated Expiration Date: Icon_subject December 29, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3334325

Circuit panel connector, panel system using the connector, and method for making the panel system
Patent #: 4645278
Issued on: 02/24/1987
Inventor: Yevak, Jr. ,   et al.

Backplane connector
Patent #: 4655518
Issued on: 04/07/1987
Inventor: Johnson ,   et al.

Backplane-daughter board connector
Patent #: 4659155
Issued on: 04/21/1987
Inventor: Walkup ,   et al.

Daughter board/backplane assembly Patent #: 4686607
Issued on: 08/11/1987
Inventor: Johnson

Inventor

Assignee

Application

No. 06/947317 filed on 12/29/1986

US Classes:

439/108, Grounding of coupling part439/637, Separate mutually insulated contacts on opposite longitudinal sides of slot439/65, With provision to conduct electricity from panel circuit to another panel circuit439/79Panel circuit adapted to move along panel plane relative to coupling part for insertion of male contact

Examiners

Primary: Desmond, Eugene F.

Attorney, Agent or Firm

International Classes

H01R 13/24 (20060101)
H01R 13/33 (20060101)
H01R 12/00 (20060101)
H01R 12/16 (20060101)
H01R 13/22 (20060101)
H01R 13/02 (20060101)

Abstract

This invention relates to electrical connectors and more particularly to electric connectors for propagation of a relatively large number of signals between electrical circuits and at very high velocities. The number of signals which can be propagated is quite large in relation to the size of the connectors of the invention and at the same time, the signals can be transmitted at very high velocity and with minimal interference between the signals propagated or from external signal sources. The connectors are also advantageous in that the electrical characteristics of the propagation paths are uniform and they can be readily matched to the characteristics of the circuits which are interconnected so as to minimize standing wave phenomena. The invention also facilitates connection to a plurality of circuit board circuits while providing substantially complete separation of signals propagated to and from the circuits.

Other References

  • High-Density Printed Circuit Connector, Callaway et al., IBM Tech. Discl. Bull. vol. 8, No. 3, Aug. 1965, p. 351-352
  • Teradyne Technical Bulletin 237, p. 8, with 339-17.LC and 1-29-85 noted on it
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