The 1902 International Library of Technology simply uses jack for the female and plug for the male connector. Rings are typically the same diameter as the sleeve. The outside diameter of the sleeve is 6.35 millimetres ( 1⁄ 4 inch) for full-sized connectors, 3.5 mm ( 1⁄ 8 in) for " mini" connectors, and only 2.5 mm ( 1⁄ 10 in) for " sub-mini" connectors. Thus, the number of transmittable signals is less than the number of contacts. The sleeve is usually a common ground reference voltage or return current for signals in the tip and any rings. Since phone connectors have many uses, it is common to simply name the connector according its number of rings: Between the tip and sleeve are 0 to 3 ring contacts. Contacts are insulated from each other by a band of non-conductive material. The sleeve contact is nearest the (conductive or insulated) handle. The tip contact is indented with a groove. A male connector (a plug), is mated into a female connector (a socket), though other terminology is used. Invented in the late 19th century for tele phone switchboards, the phone connector remains in use for interfacing wired audio equipment, such as head phones, speakers, micro phones, mixing consoles, and electronic musical instruments (e.g. TS and TRS plugs of different sizesĪ phone connector is a family of cylindrically-shaped electrical connectors primarily for analog audio signals. When not mated, this spring instead connects to the flat switch contact for detecting a plug. The plug's grooved tip is held firmly by the socket's spring tip contact. ( Learn how and when to remove this template message) JSTOR ( November 2022) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.įind sources: "Phone connector" audio – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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