Patent Number: 6,252,622

Title: Fault tolerant laser diode array

Abstract: A method and apparatus for a fault tolerant recording system using a pair of laser diode arrays is disclosed. Two monolithic laser diode arrays made of individually addressable diodes are used to record parallel tracks on a recording surface. A pair diodes, (one diode from each array) are assigned to each track, but only one diode (the primary diode) is activated. In the case where the primary diode fails, the secondary diode is activated. Digital delays are employed to synchronize the data from the two diode arrays in order to align the written marks on the recording surface.

Inventors: Laberge; Michel G. (Bowen Island, CA)

Assignee: Creo Products Inc.

International Classification: B41J 2/45 (20060101); G06K 15/12 (20060101); B41J 002/45 (); B41J 002/455 ()

Expiration Date: 06/26/2018