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coaxial electrical connector

An electrical connector, coaxial technology, applied in the field of coaxial electrical connectors, can solve problems such as difficulty in maintaining high-frequency characteristics, and achieve the effects of good signal transmission characteristics, high-efficiency adjustment, and improved reliability.

Active Publication Date: 2018-04-06
DAIICHI SEIKO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in conventional coaxial electrical connectors, especially with the high frequency of transmission signals in recent years and the rapid miniaturization or low-profile development of electrical connectors, there is a characteristic impedance relative to the transmission signal. The degree of matching (VSWR) tends to become a mismatch state, and it is currently difficult to maintain good high-frequency characteristics

Method used

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Examples

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Embodiment Construction

[0042] Hereinafter, an embodiment in which the present invention is used as a coaxial electrical connector using a thin-wire coaxial cable as a signal transmission medium will be described in detail with reference to the drawings.

[0043] [About the overall structure of the coaxial electrical connector]

[0044] First, as the coaxial electrical connector according to the first embodiment of the present invention, Figure 1 to Figure 5 The illustrated plug connector 10 is configured to be connectable to a terminal portion of a thin-line coaxial cable SC as a cable-shaped signal transmission medium, and to be connected to a socket mounted on a predetermined printed wiring board (not shown). A mating electrical connector (not shown) constituted by a connector or the like is inserted and fitted from above or removed from above. The plug connector 10 can be fitted and removed from the mating electrical connector (receptacle connector, etc.) in a direction substantially perpendicu...

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Abstract

The invention provides a coaxial-type electric connector. Good signal transmission characteristics can be stably obtained by a simple configuration. A void portion (11e) formed by inner wall surfaces of a groove disposed so as to face a wire connection part of a cable-shaped signal transmission medium (SC) and an inner conductor contact (12) is provided in part of an insulative pressing plate (11d), which is opened / closed integrally with a shell cover portion (13b), and the wire connection part thereof and the void portion (11e) are disposed in a radial-direction inner region of a shield shell (13). As a result, an air layer for impedance adjustment formed by the void portion (113) of the insulative pressing plate (11d) is disposed so as to face the wire connection part, at which mismatching of impedance easily occurs, and the matching degree (VSWR) of impedance can be efficiently adjusted.

Description

technical field [0001] The present invention relates to a coaxial electrical connector that can be connected to a cable-shaped signal transmission medium such as a thin-wire coaxial cable. Background technique [0002] In general, cable-shaped signal transmission media such as thin-wire coaxial cables are widely used as signal transmission media used in various electronic devices such as mobile phones and smart phones, and electric devices. A coaxial electrical connector that efficiently connects transmission media and printed wiring boards. For example, the coaxial electrical connector described in the following Patent Document 1 is configured such that an outer conductor case (shield case) composed of a substantially hollow cylindrical member is mounted on the outer peripheral side of an insulating case, and the case cover portion Openably and closably connected to the annular opening of the outer conductor case. And it is configured that when the terminal portion of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R9/05H01R9/22
CPCH01R9/05H01R9/223H01R2201/16
Inventor 桥本阳一
Owner DAIICHI SEIKO CO LTD
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