Fuji Xerox Co., Ltd.

Nippon Kokan Kabushiki Kaisha

Shigeru Sato

Takashi Ozawa

Mamoru Nobue

Sadahiro Tei

Fujio Takahashi

Hideaki Miyamori

Kenji Takagi

Mikio Ozawa

In a sandwich type image sensor having a photoelectric converting portion comprising a photoelectric conductive layer interposed between an upper electrode and a lower electrode, a light-shielding means is provided for selectively covering an end portion of the photoelectric conductive layer so as to be excluded from a light-receiving area of the converting portion. Alternatively, an insulating layer partly blocking the contact between the photoelectric conductive layer and the lower electrode is provided for effectively defining the light-receiving area of the converting portion. In an example where the photoelectric is divided so that it is operable as those of a plurality of sensor elements arranged in a row, a light-shielding means is provided for defining light-receiving areas of the sensor elements, while overlapping areas of the upper and lower electrodes are adjusted for equalizing the stray capacitances of the sensor elements inclusive of their connecting portions.

Image sensor

A document reading device of a charge storage type comprising a plurality of light receiving elements arranged on a substrate in a main scanning direction of a document and a plurality of wiring conductor lines for electrically connecting between the light receiving elements and drive elements, wherein the plurality of conductor lines are made different in their width in accordance with their wiring position to thereby make line-to-line capacitances of the conductor lines substantially the same, thus making the same capacitances appearing between the light receiving elements and drive elements for all bits.

Contact type document reading device with uniform line-to-line conductor

A method for welding by a magnetically driven arc, which comprises placing two objects of welding in butt formation with a small gap between the end edges thereof to form a welding line; parallelly connecting a first electric circuit comprising the two objects of welding and a cable arranged on the surface side of the two objects of welding and a second electric circuit comprising the two objects of welding and another cable arranged on the back side of the two objects of welding to a welding power source; flowing a welding current through the first and second electric circuits to produce an arc in the small gap; moving the arc along the welding line under the effect of an electromagnetic force in the direction of the welding line, the electromagnetic force being produced by the magnetic flux of magnetizing coils provided near the end edges of the two objects of welding and welding current flowing through the arc; and changing the amount of welding current flowing through the first and second electric circuits to control the electromagnetic force in the thickness direction of the two objects of welding; thereby continuously moving the arc in the thickness direction of the two objects of welding, thus uniformly heating the end edge of the two objects of welding to a welding temperature by the heat of the moving arc.

Method for welding by magnetically driven arc

Growing community of inventors

Ebina, Japan

Shigeru Sato