Structural improvements of earphone signal cord

Details Structural improvements of earphone signal cord Structural improvements of earphone signal cord

1998-09-29

1999-11-23

Tran, Sinh

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

381384, 381371, H04R 2500

Patent

active

059914220

ABSTRACT:
A structural improvement of earphone signal cord, involving mainly a layer of fabric structure woven in Chinese-knot style to coat the conductive wire of an input plug, the input plug is then coated and fixed by a wooden sleeve, the other end of the conductive wire is fitted inside a wooden casing, inside the wooden casing is fitted a speaker, on the wooden casing is a hole unit, so designed that the fabric structure outside the conductive wire can be fixed inside the hole unit; with the aforementioned construction, since the conductive wire is coated by a layer of fabric structure, thereby the fabric structure will increase the strength of the conductive wire to prevent it from being pulled apart, and from being twisted or deformed, so that its original appearance can be maintained for a extended period of time.

REFERENCES:
patent: 5406637 (1995-04-01), Gonzalez
patent: 5623132 (1997-04-01), Gahm

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