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Featured researches published by Kozo Yamazaki.


Applied Optics | 1990

New holographic technology for a compact POS scanner.

Kozo Yamazaki; Toshiyuki Ichikawa; Hirokazu Aritake; Fumio Yamagishi; Hiroyuki Ikeda; Takefumi Inagaki

A new holographic technique has been used to make a compact, accurate, and reliable point-of-sale scanner. Our holo-window technique is capable of changing the scan direction, collecting the signal light, and equalizing the scan velocity. At present, compact scanners tend to sacrifice read operation accuracy, speed, and reliability for size. Our technique permits the miniaturization of the optical system of a scanner while preserving performance. Using the holo-window, we have developed a new scanner that has a letter-size footprint and is only 8 cm high.


Archive | 2004

Laser beam scanner

Kozo Yamazaki; Toshiyuki Ichikawa; Hiroyuki Ikeda; Takefumi Inagaki; Hirokazu Aritake; Fumio Yamagishi


Archive | 1992

Light beam scanning apparatus

Kozo Yamazaki; Fumio Yamagishi; Hiroyuki Ikeda; Hiroshi Watanuki; Mitsuharu Ishii; Ichiro Sebata; Takefumi Inagaki


Archive | 1996

Multiple plane bar code reader for reading optically encoded data

Masanori Ohkawa; Toshiyuki Ichikawa; Hiroshi Watanuki; Kozo Yamazaki


Archive | 1983

Method of constructing holograms

Hiroyuki Ikeda; Fumio Yamagishi; Shinya Hasegawa; Syunji Kitagawa; Kozo Yamazaki; Takefumi Inagaki


Archive | 1990

Laser scanner for bar code reader having a transparent light guide plate

Kozo Yamazaki; Hiroyuki Ikeda; Fumio Yamagishi; Hirokazu Aritake; Masanori Ohkawa


Archive | 1992

Optical scanner using planar reflection holograms

Hirokazu Aritake; Toshiyuki Ichikawa; Kozo Yamazaki; Fumio Yamagishi; Hiroyuki Ikeda


Archive | 2004

Bar-code reader and method of reading bar code

Isao Iwaguchi; Hideo Miyazawa; Mitsuo Watanabe; Kozo Yamazaki; Masanori Ohkawa


Archive | 2003

Method of reading information and apparatus therefor, method of acquring signal for use with information reading apparatus, method of processing band limitation, method of extractingtiming point amplitude and method of processing signal thereof, read signal processing unit, and metthod of procesing read signal and processing apparatus thereof

Isao Iwaguchi; Takashi Kaku; Hiroyasu Murata; Kozo Yamazaki; Masanori Ohkawa; Mitsuo Watanabe; Hideo Miyazawa


Archive | 1999

Optical scanner, code reader and bar code reader having increased degree of freedom in placement of optical parts

Masanori Ohkawa; Toshiyuki Ichikawa; Hiroshi Watanuki; Kozo Yamazaki

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