1
Masahiro Hara, Atutoshi Okamoto, Toshiyasu Sakai, Tadao Oshima, Hiroshi Yamamoto, Hiromitsu Takai: Apparatus for optically reading printed information. Nippondenso, Cushman Darby & Cushman, April 4, 1989: US04818847 (212 worldwide citation)

Apparatus for optically reading printed information by radiating light onto printed information to be reflected thereby, receiving the reflected light through an optical system and converting the image of the reflected light into a corresponding electric signal. The light source employs red light em ...


2
Toshiyasu Sakai, Masahiro Hara, Nobuyuki Teraura: Optical reading apparatus having a reading sensor of electronic scanning type. Nippondenso, Cushman Darby & Cushman, August 27, 1985: US04538060 (183 worldwide citation)

In an optical reading apparatus having a reading sensor for converting optically readable information into an electrical signal by electronically scanning an image of optical information, such as a bar code, a detector is provided to detect the intensity of light incident on an information label on ...


3
Masahiro Hara, Toshiyasu Sakai: Optical reading apparatus with automatic gain control circuit. Nippondenso, Cushman Darby & Cushman, July 9, 1985: US04528444 (173 worldwide citation)

In an optical reading apparatus having a reading sensor for converting optically readable information into an electrical analog signal, an automatic gain control circuit is provided to maintain the amplitude of the electrical signal constant. The gain of the automatic gain control circuit is control ...


4
Toshiyasu Sakai: Bar code scanner. Nippondenso, Cushman Darby & Cushman, July 1, 1980: US04210802 (149 worldwide citation)

A bar code scanner for scanning a bar code or bar codes having a plurality of parallel bar symbols recorded in contrastive light reflection colors on a record medium. The scanner has an image sensor comprising a plurality of light responsive elements which are arranged in a straight line and activat ...


5
Masahiro Hara, Atsutoshi Okamoto, Toshiyasu Sakai: Method and apparatus for reading a bar code. Nippondenso, Cushman Darby & Cushman, December 18, 1984: US04488678 (83 worldwide citation)

A bar code having parallel bars carrying information is divided into a plurality of regions so that each region is detected by a field of vision of an image sensor of a bar code reader. The bars in each region are detected by a scanning operation to store data indicative of the width of each bar int ...


6
Katsumi Senda, Toshiyasu Sakai: Apparatus and method for recognizing optical information. Nippondenso, Cushman Darby & Cushman, March 29, 1988: US04734566 (63 worldwide citation)

Apparatus and method for recognizing optical information such as bar code has a light source and an image sensor which converts intensity of light reflected by the optical information into an electric image signal. The electric image signal is sample-and-held to detect the average intensity of light ...


7
Masahiro Hara, Atsutoshi Okamoto, Toshiyasu Sakai: High-sensitive optical reading apparatus and method of reading optical information. Nippondenso, Cushman Darby & Cushman, May 7, 1985: US04516017 (61 worldwide citation)

In an optical reading apparatus having an image sensor for converting optically readable information into an electrical signal, a sensor driving circuit is arranged to produce at least two clocks with which two or more groups of optical imaging elements of the image sensor are respectively driven. I ...


8
Masahiro Hara, Toshiyasu Sakai, Atsutoshi Okamoto: Bar code scanner. Nippondenso, Cushman Darby & Cushman, October 4, 1983: US04408120 (45 worldwide citation)

A bar code scanner for scanning bar codes having a plurality of parallel bar symbols recorded in different light reflective colors on a record medium. The scanner has a light source, an image sensor comprising a plurality of light responsive elements which are aligned and activated one by one, and d ...


9
Yasuhito Imai, Atsutoshi Okamoto, Toshiyasu Sakai: Bar code label. Nippondenso, Cushman Darby & Cushman, September 5, 1989: US04864112 (29 worldwide citation)

A bar code label comprises a recording medium and a bar code recorded on a recording medium. The bar code includes a plurality of bar elements lined up parallel. Each width of bar elements is different in accordance with the kind of bar elements. The width of the bar elements is made wider than it w ...


10
Yoshiyuki Imanaka, Teruo Ozaki, Takuya Hatsui, Takaaki Yamaguchi, Ichiro Saito, Muga Mochizuki, Toshiyasu Sakai: Method of driving a printhead using a constant current and operating MOS transistor in saturation region. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, May 15, 2007: US07216960 (19 worldwide citation)

This invention relates to a printhead substrate capable of suppressing an increase in wiring width and an increase in the size of a substrate formed by a film forming process while increasing the number of simultaneously driven printing elements in order to improve the printing performance, a printh ...