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Bar code reader

  • US 5,231,275 A
  • Filed: 03/16/1992
  • Issued: 07/27/1993
  • Est. Priority Date: 01/31/1990
  • Status: Expired due to Fees
First Claim
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1. A bar code reader having a permanent magnet and an MR device formed integrally with the permanent magnet, comprising:

  • a head frame housing said permanent magnet and MR device;

    an internal lead wire, a resin film, an input wire of said MR device, and an external lead wire;

    said head frame comprising an open casing having a cut at the front end thereof;

    said internal lead wire facing the front end of said head frame and being fitted and fixed in said cut of the head frame;

    a printed circuit board on which said MR device is mounted being fixed in the opening of said head frame and electrically connected to said internal lead wire by means of a projection;

    said external lead wire being passed through the bottom of said head frame and spot-joined to said internal lead wire;

    said permanent magnet being supported at the bottom of said head frame and fixed in said head frame; and

    said resin film being so formed as to cover said internal lead wire and fill said cut in the head frame and also to be flush at the surface thereof with the front end of said head frame.

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