Method of making a telephone headset

Details Method of making a telephone headset Method of making a telephone headset

1992-12-08

1994-12-06

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

379430, 381183, 381187, H04R 3100

Patent

active

053698576

ABSTRACT:
A telephone headset uses extruded thermoplastic with a pair of embedded steel wires to make the headband and microphone boom. The extrusion is formed by feeding the two wires through the extruding die along with the hot plastic. The two wires serve to stiffen the extrusion and also as electrical conductors. The material is cut to length and joined to earphones, microphones and telephone cable to make the headset; the two wires conduct the sound signals to the earphone distal the telephone cable attachment. The extrusion material retains a twist, which allows for angular adjustment of the earphones. A hinge and spring cant the headphone inward at the bottom for greater comfort, and to adjust the angle to the user's head. In a second embodiment, one of the wires is removed after extrusion to leave a tunnel through the extruded material. Small electrical leads can be passed through the tunnel, and the remaining wire remains as a stiffener. The fine leads allow rotation of the boom about the earphone or headband without the need for a complicated electrical connection.

REFERENCES:
patent: D153112 (1949-03-01), Braun et al.
patent: D286874 (1986-11-01), Bertagna et al.
patent: D287849 (1987-01-01), O'Malley et al.
patent: D292205 (1987-10-01), Kikutani
patent: 1555997 (1925-10-01), Lidberg
patent: 3681540 (1972-08-01), Thomson
patent: 4588868 (1986-05-01), Bertagna et al.
patent: 4634816 (1987-01-01), O'Malley et al.
patent: 4689822 (1987-08-01), Houng

Affiliated with

Also associated with

Rating

Method of making a telephone headset does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of making a telephone headset, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of making a telephone headset will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-205964