Patent ID: 7159764

Claim:
A collection of parts for assembling an information gathering apparatus, comprising; a housing having an optical indicia reading portal; a plurality of different types of optical indicia reader, each optical indicia reader of said plurality of different types of optical indicia reader having a size and shape to be housed within said housing to read optical indicia through said optical indicia reading portal; a first window frame, suited for use with at least one optical indicia reader of said plurality of different types of optical indicia reader, said first window frame having a size and shape to facilitate coupling with said optical indicia reading portal; a second window frame, suited for use with at least one optical indicia reader of said plurality of different types of optical indicia reader, said second window frame having a size and shape to facilitate coupling with said optical indicia reading portal; a light-transmissive window having a size and shape to facilitate coupling with said first window frame or with said second window frame; said first window frame, comprising a first window receiving portal; and said second window frame, comprising a second window receiving portal; wherein said first window receiving portal is designed to orient a received light-transmissive window at an angle different from that of a light-transmissive window that is received by said second window receiving portal; wherein, after manufacturing of said housing, an information gathering apparatus including any of said plurality of different types of optical indicia reader can be constructed by installing a desired optical indicia reader chosen from said plurality of different types of optical indicia reader and by installing an appropriate window frame and light-transmissive window.