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Optical symbol (bar code) reading systems and devices

  • US 5,786,585 A
  • Filed: 01/19/1995
  • Issued: 07/28/1998
  • Est. Priority Date: 12/04/1992
  • Status: Expired due to Fees
First Claim
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1. A scanning accessory for a portable terminal for collecting and entering data which comprises:

  • a first housing having a surface defining a receptacle and also defining a hollow body, said hollow body having a generally tubular surface, said generally tubular surface defining a manually seizable grip portion, said generally tubular surface also defining a window;

    a miniature scan engine module having means for projecting a light beam outwardly from said module toward a data representing symbol, said scan engine being disposed in said grip portion with the beam projecting through said window toward said symbol;

    an electro-optical receptor in said grip portion for collecting and concentrating therein light from said symbol in response to illumination by said beam and for providing electrical signals representing said symbol;

    means in said grip portion for operating said scan engine; and

    means in said receptacle for releasably holding a second housing containing said terminal which comprises a portable data entry terminal having a keyboard for manual data entry, said receptacle having means for holding said first housing and second housing and said terminal and accessory in assembled and signal communication relationship for communicating said signals to said terminal.

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