05869827 is referenced by 120 patents and cites 11 patents.

A multiple window data reading device and method for reading symbols such as bar codes through each window, data reading being focused to different focal distances in the scan volume with sensors provided to control focal distance setting from each of the windows.

Title
Multiple window scanner and method for multiple focal distance reading
Application Number
764527
Publication Number
5869827
Application Date
August 15, 1997
Publication Date
February 9, 1999
Inventor
Joseph F Rando
Los Altos Hills
CA, US
Agent
Lyon & Lyon
Assignee
Spectra Physics Scanning Systems
OR, US
IPC
G06K 7/10
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