Minolta Camera Kabushiki Kaisha

Minolta Company, Ltd.

Ashimori Kogyo Kabushiki Kaisha

Tokyo Gas Kabushiki Kaisha

Other

Ashimori Industry Co., Ltd.

Ashimori Tokyo Kabushiki Kaisha

Ashimori Engineering Co., Ltd.

Hitoshi Saito

Koji Uno

Masahiro Seshimo

Tateki Oka

Masashi Yamamoto

Akio Morinaga

Yasuo Tanaka

Kazuyoshi Hara

Masatoshi Ishikawa

Futoshi Makimoto

Shigeo Kaneda

Akihito Ikegawa

Takami Hirai

Narutaka Yoshida

Hiroshi Goto

Tetsuo Tajima

Shigeru Toyoda

Yasuhiko Mizutani

Kazuyuki Mizuno

Makoto Shimazoe

Akihiro Kawasaki

Masakatsu Hyodo

Tamotsu Sakuraba

Toshihiko Kumon

Hisashi Myochin

Kazuko Taniguchi

Kunihiko Omura

Masami Eda

Yoshinori Inoue

Katsutoshi Konishi

Takuji Sokawa

Shinichi Takebe

Hiroyuki Sakuragi

Takeshi Noguchi

Yukikazu Maemoto

Kiyoshi Uegaki

Sofumi Sato

Katsuyoshi Tsukamoto

Kumao Higuchi

The present invention relates to a conduit repairing material, repairing structure, and repairing method thereof, and particularly provides a repairing method for an existing conduit characterized by comprising using a plurality of reinforcing members capable of being carried in the existing conduit, assembling said reinforcing members into a hollow skeleton-like reinforcing body extending substantially along the inner surface of the existing conduit, attaching a plurality of inner face bars to the inside of the reinforcing body to assemble them into a tubular form along the lengthwise direction of the conduit, and injecting a curable infilling into the gap between the inner face bars and the inner surface of the existing conduit.

Duct repairing material, repairing structure, and repairing method

A space is defined in a portion of an overlapping region where an open end portion of a resonant electrode and an inner-layer ground electrode, of a dielectric layer which is interposed between the resonant electrode and the inner-layer ground electrode. A space is defined in a portion of an overlapping region where the open end portion of the resonant electrode and another inner-layer ground electrode, of a dielectric layer which is interposed between the resonant electrode and the other inner-layer ground electrode. These spaces are filled with respective members having a dielectric constant higher than the dielectric layers.

Laminated dielectric resonator and laminated dielectric filter

A sheet screen is provided on one of sides of test glass, and a projected image of the test glass is electronically and directly picked up. After tone image signals of the test glass thus picked up are binarized while modifying threshold values according to brightness of a background in the tone image, the number of fragments, the area of the greatest fragment and the length of the longest fragment are calculated. Thus, operations, such as calculating the number of the fragments, can be automatically performed by directly picking up an image of the test glass, allowing a fragmentation test to be carried out with good operability and high precision.

Plate glass shatter testing method, device, imaging method for glass testing and image signal processing method

A charging device which includes a sheet-like charging member to be brought into contact with a charge target member. The charging member being composed of at least an insulating layer and a resistance layer. The charging device further includes at least one voltage application device which applies a DC voltage to the resistance layer of the charging member. The resistance layer has a down stream portion which protrudes from the insulating layer, which is arranged at the side of the resistance layer of the charge target member. The down stream portion may take on various shapes which uniformly apply a charge to the charge target member. The charging member may further include another resistive layer which has a second voltage applied thereto, wherein the other resistive layer is mounted on the other side of the insulating layer and contacts the charge target member and securely holds the charging member in contact with the charge target member.

Charging device and image forming apparatus

Lining material for pipelines and method for manufacturing the same

Pipeline structure with a lining material, an end structure of said

In order to achieve such effects that memories such as image memory due to untransferred residual toner can be sufficiently prevented, and good images can be obtained by suppressing base fogging and reduction of entire image density for a long term, an oscillating voltage composed of a DC ingredient and an oscillating ingredient is applied to a charging device for charging a photosensitive member, while the charging device is in a position facing an image forming region of the photosensitive member. While the charging device is in a position facing an image non-forming region of the photosensitive member, only a DC voltage is applied to the charging device for at least a predetermined time.

Image forming apparatus having rotatable charging brush with varying

An image forming apparatus includes a charging rotary brush in contact with a photosensitive member, a laser beam irradiator to form an electrostatic latent image, a developing unit for developing the latent image into a visible image and collecting residual developer remaining on the surface of the photosensitive member after the visual image is transferred to a transfer material, and a power source unit for applying to the charging rotary brush an oscillating voltage fulfilling the requirement of:

Image forming apparatus having contact charger

Repairing tube, method for repairing pipe lines therewith and method for

An image forming apparatus for forming a latent image by image exposure on an image bearing member which is charged by a charge brush of a charging device, and developing the latent image by a developing device, transferring the developed image on a sheet, and cleaning the residual toner on the image bearing member by the developing device. The rotational brush rotates in such a direction that a contacting portion of the brush with the image bearing member moves in the same direction as a moving direction of a surface of the image bearing member, and is provided to satisfy the following condition:

Image forming apparatus with rotating brush for charging

A cleaning method for a contact type charger in an cleanerless image forming apparatus. The method includes a step of switching bias voltages applied to the contact type charger and a develop/cleaning device from first level to a second level so as to release developer adhering to the contact type charger onto an image-bearing member as well as to collect a part of the developer moved onto the image-bearing member by the developing/cleaning device, and a step of switching the bias voltage from the second level to the first level so as to collect the rest of the developer released onto the image-bearing member by the develop/cleaning device.

Cleaning method for contact charging means in image forming apparatus

An image forming apparatus which has a sensitizing charger for charging an image bearing member to a first polarity, a developing device and a transfer charger for imparting to the image bearing member a charge having a second polarity opposite to the first polarity to transfer the toner image from the image bearing member onto a sheet. In the apparatus, the transfer charger is turned off after a rear end of the image area of the image bearing member where a latent image is formed has moved past the transfer charger. Subsequently, the sensitizing charger is turned off after the rear end of the image area has moved past the sensitizing charger. Thereafter, the image bearing member is stopped a predetermined period of time after the sensitizing charger is turned off.

Image forming apparatus adapted for reversal developing process which is

A contact type charging device having a contact member for making contact with the surface of a charge bearing member so as to apply an electric charge to the surface in an image forming apparatus of the electrophotographic type, and having a charging device which has a high resistance resistor connected serially to the contact member so as to apply a voltage to the contact member. The contact type charging device has a regulating member for regulating the upper limit of the absolute value of the voltage applied to the contact member to prevent excessive current flow to the contact member, or has a regulating member for regulating the lower limit of the absolute value of the voltage applied to the contact member to prevent a greater than necessary drop of the voltage applied to the charge bearing member.

Contact type charging device having voltage limiter

An electric charge supplying device for supplying electric charges to a body to be charged, comprises a charge-supplying member arranged in contact with the body to be charged, a power supply for supplying electricity to the charge-supplying member, and a shunt resistance connected in parallel with a series circuit including the charge supplying member and the body to be charged, the shunt resistance having environmental dependency of resistance substantially equal to that of the charge supplying member.

Electric charge supplying device and system employing the same

An erasing device for erasing charge remaining on a photosensitive member, comprising: two kinds of light sources which are so provided as to confront the photosensitive member and have different light emitting wavelengths, respectively; and a control device for turning on the light sources simultaneously.

Device for erasing residual charge on photosensitive member

Growing community of inventors

Toyonaka, Japan

Hitoshi Saito