Registers – Coded record sensors – Particular sensor structure
Patent
1999-01-08
2000-12-26
Hajec, Donald
Registers
Coded record sensors
Particular sensor structure
23546236, 23546237, 23546238, 23546232, G06K 710, G02B 2600
Patent
active
06164546&
ABSTRACT:
An optical read is capable of reading a bar code in a mounted state when an article carrying the bar code passes and of reading bar codes set in an array format on a menu sheet in a hand-held state. The optical reader comprises a light source, a scanner that is driven by a drive and scans light emanating from the light source, a plurality of reflection mirrors that reflect scanning light scanned by the scanner and create a scanning pattern composed of a plurality of scan trajectories, a read window through which scanning light reflected from the reflection mirrors is emitted, and a light receiver for receiving light reflected from a mark. The optical reader further comprises a mode changer (or control unit) for changing a plurality of operation modes among which one or ones of the plurality of scan trajectories to be validated for reading are different. The operation modes include a specific scanning ray mode in which reading the mark by tracing only a single scan trajectory constituting the scanning pattern is validated but reading the mark by tracing the multiple scan trajectories is unvalidated. For reading any of bar codes set in an array format on a menu sheet, the single scan trajectory constituting the scanning pattern will be drawn on a bar code to be read. Since reading by tracing the multiple scan trajectories is invalid, only the bar code intended to be read is read.
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Aoki Toshitaka
Ishii Mitsuharu
Katoh Hiroaki
Kumagai Toshimitsu
Takashima Yuichirou
Fujitsu Limited
Hajec Donald
Rodriguez Douglas X.
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