Ricoh Company, Ltd.

Kabushiki Kaisha Toshiba

Canon Kabushiki Kaisha

Hitachi, Ltd.

Kirin Beer Kabushiki Kaisha

Chiyoda Corporation

Tokyo Shibaura Denki Kabushiki Kaisha

Piolax, Inc.

Hitachi Video Engineering, Incorporated

Nihon Shokuhin Kako Co., Ltd.

Hitachi Video Eng. Inc.

Chiyoda Chemical Entineering & Constructions Co., Ltd.

Takashi Kimura

Takuro Sekiya

Kazuo Endo

Masami Kadonaga

Shuji Motomura

Masanori Horike

Takao Kato

Takeshi Takemoto

Yoshio Watanabe

Takeshi Minami

Tomoaki Nakano

Takayuki Yamaguchi

Eiko Suzuki

Mitsuru Shingyouchi

Haruto Kobayashi

Taira Matsunaga

Sohtaroh Kishi

Kiyofumi Nagai

Yasuo Katano

Kazuhito Kishi

Hitoshi Sato

Kazuhiko Inoue

Masuo Oku

Hisashi Shoji

Kyuhachiro Iwasaki

Hideto Miyazaki

Hidenori Tomono

Hiromichi Komai

Yoshimichi Kudo

Tadashi Saito

Kozo Mochiji

Takao Sameshima

Junichi Ikoma

Hidehito Obayashi

Tomomitsu Kuroyanagi

Minoru Morikawa

Tetsuya Ikeda

Masahiro Yoshida

Kazuo Kondo

Megumi Kawahara

Takeshi Motohashi

Akio Nakashima

Toru Suga

Teruo Nakakuki

Souichi Imamura

Toshihiro Kato

Shunichi Ogawa

Mamoru Takezawa

Tetsuo Ishii

Masanori Ochi

Shingo Kato

Nobutaka Ohnuki

Tomoyuki Moriya

Taizo Miwa

Tomohiko Yamamoto

Shoji Yanagida

Shigehiro Hosoi

Osamu Kuramochi

Makoto Yumoto

Hisanobu Tsukazaki

Kazuo Endou

Hiromi Tanaka

Shoichi Tanimata

Mie Nomura

Eiji Hashimoto

Mie Kato

Masaaki Noguchi

Masafumi Ogata

Morio Onoe

Masayoshi Omori

A quick connector includes a tubular socket, a wire retainer attached to an outer circumferential surface of the socket, and a guide member provided inside of the socket. The wire retainer has a lock portion which engages with a flange of a first tubular body when the guide member is at a second position. An outer circumferential surface of the guide member is formed with a holding recess in which the lock portion is fitted when the guide member is at a first position, and a wall of a pair of walls forming the holding recess is formed with a tapered guide surface that extends radially outward. The tapered guide surface guides the wire retainer so that the wire retainer goes over the flange when the first tubular body is inserted.

Quick connector

The present invention relates to an image forming apparatus including an image carrier unit having an image carrier for carrying an image and a transfer material carrier unit having a transfer material carrier for carrying a transfer material, the transfer material carrier unit being capable of assuming a first state when the image on the image carrier is transferred onto a transfer material carried by the transfer material carrier and a second state that the transfer material carrier unit escapes more than the first state. The image carrier unit is detachably attached to an apparatus body through a space formed in the apparatus body after the transfer material carrier unit enters in the second state.

Image forming apparatus having a transfer material carrier unit or an intermediate transfer body unit

A sheet detecting device for contacting with a sheet being conveyed and detecting the sheet is provided with a first moving member urged and moved by the sheet being moved, N (N.gtoreq.1) interlocking members moved in operative association with the movement of the first moving member, a second moving member moved in operative association with the movement of the N interlocking members, a detection signal producing portion producing a sheet detection signal on the basis of the movement of the second moving member, first biasing member provided on the first moving member for independently biasing the moved first moving member in a direction opposite to the direction of movement thereof so as to return it to its original position, N biasing member provided on respective ones of the N interlocking members for independently biasing the moved N interlocking members in a direction opposite to the direction of movement thereof so as to return them to their original positions, and second biasing member provided on the second moving member for independently biasing the moved second moving member in a direction opposite to the direction of movement thereof so as to return it to its original position.

Sheet detecting device and image forming apparatus provided with the same

In a thermal printing device for an image forming apparatus, a heat generating member is implemented as a hollow heat roller having a heating layer thereon. A first member is disposed in the hollow heat roller while. A press roller or second pressing member is located outside of the heat roller while at least partly corresponding to the heat roller. A biasing mechanism biases at least one of the pressing member and press roller toward the other, so that the heat roller is pressed against the pressing member o r the press roller. The device reduces a warm-up time and generates a desired amount of heat with a minimum of power.

Thermal fixing device for an image forming apparatus

A semiconductor device has an active layer formed on a semiconductor substrate with different types of junctions, a source region, a drain region, a T-shaped gate electrode in which the cross-sectional area of the upper surface is larger than that of the lower surface, a first dielectric layer covering at least the exposed surface of the active layer, and the gate electrode, and a second dielectric layer enclosing the first dielectric layer. In the device, when the specific inductive capacities of the first and second dielectric layers are .epsilon.(1) and .epsilon.(2) respectively .epsilon.(1)&lt;.epsilon.(2) and the water absorption ratio of the first dielectric layer is greater than the water absorption ratio of the second dielectric layer.

Semiconductor device sealed with molded resin

A liquid jet recording head includes a liquid path member having a plurality of liquid flow paths, each of the liquid flow paths being filled with a recording liquid, an orifice being formed at an end of each of the liquid flow paths, and a heater base member having a plurality of heater members and a plurality of radiator members. The heater base member is connected to the liquid path member, each of the heater members having a heater portion, the heater portion generating heat in accordance with a power supplied to it. Each of the radiator members is thermally coupled to the heater portion of one of the heater members so that the amount of heat transmitted from the heater portion to the recording liquid on the heater portion changes in a predetermined direction. When a power is supplied to the heater portion, a bubble is generated in the recording liquid and located at an area on the heater portion, the area having a size corresponding to the power supplied to the heater portion, the bubble causing a recording liquid droplet to be jetted from the orifice.

Liquid jet recording head having improved radiator member

In a method and an apparatus for discriminating real securities from copies thereof produced by an electrophotographic copier using a toner, a heating member heated to a temperature above 50.degree. C. and below 250.degree. C. is brought into contact with a printing to see if an image on the printing changes or if any deposit is present on the heating member. Whether or not the image of the printing is formed by a toner whose major component is a thermoplastic resin, is determined on the basis of the result of the above decision.

Method and apparatus for discriminating printings

A recording and/or reproducing apparatus draws a recording tape out of a cassette and places the tape around a rotary drum having at least one head to perform recording and/or reproducing. The supply-side and take-up-side reels are rotated to wind the tape for a predetermined amount of time after the initiation of the unloading operation. Then, one of the reels is stopped, and the other reel is continuously rotated to further wind the tape.

Cassette loading system for recording and reproducing apparatus that

A liquid jet recording head includes a base member, a liquid layer maintained on the base member and a plurality of heater elements, arranged in a line on the base member, for supplying energy to liquid adjacent thereto, the energy operation portions being put under the liquid layer. A method for making a liquid drop fly from the liquid jet recording head onto a recording sheet so that a dot image is formed on the recording sheet includes steps of (a) generating a bubble in the liquid to which the energy is supplied by each of energy operation portions in accordance with image data; (b) making the bubble grow up until a predetermined size of the bubble is obtained; (c) contracting the bubble under a condition where each of the energy portions supplies no energy to the liquid in which the bubble is formed; and (d) making the bubble disappear into the liquid.

Method and apparatus for making liquid drop fly to form image by

An image forming method including the steps of bringing an image-forming liquid in which finely-divided resin particles are dispersed in a dispersion medium into contact with an image-bearing member capable of repelling the dispersion medium of the image-forming liquid, and selectively applying heat and/or pressure to the image-bearing member or the image-forming liquid by use of a heat-application system and/or pressure-application system in accordance with signals corresponding to an image to be formed to deposit imagewise the finely-divided resin particles in the image-forming liquid on the surface of the image-bearing member, thereby obtaining a resin image corresponding to the image on the image-bearing member. In addition, an image forming apparatus for the above-mentioned image forming method is disclosed.

Method and apparatus for forming image on a member with image forming

An ink jet recording head assembly includes: a base member having a plurality of enclosures, a top of each of the enclosures having an opening; a mechanism for supplying ink to each of the enclosures via the opening at the top thereof and for maintaining the ink at a predetermined depth; and a heater element which is provided in each of the enclosures under the ink supplied via the opening, the heater element heating the ink in each of the enclosures so that a bubble is generated in the ink; wherein an ink drop is jetted from a surface of the ink due to the bubble generated in the ink.

Ink jet recording head assembly

A recording or reproducing device includes a pinch roller for pressing a tape-like recording medium against a capstan, a first member for rotatably supporting the pinch roller, a second member for rotatably pivoting the first member, a positioning member for positioning the second member at a predetermined position, and a moving mechanism for moving the second member and engaging it with the positioning member to position the second member at the predetermined position when the tape-like recording medium is loaded. The second member is positioned by engaging a plurality of portions of a shaft for pivoting the first member with the positioning member when the recording medium is loaded.

Video cassette recorder device

A liquid jet recording head includes a heater element which comprises a heat reserve layer, a resistance layer formed on the heat reserve layer, electrodes electrically connected to the resistance layer, the resistance layer generating heat when an electrical current is supplied to the resistance layer via the electrodes, and a protection layer stacked on the resistance layer, the heat generated by the resistance layer being transmitted to the liquid via the protection layer. The heater element has a special part in which a width of the resistance layer is greater than that thereof in a normal part of the heater element, the special part including a position where the bubble disappears, so that a electric current density in the resistance layer in the special part is less than that thereof in the normal part.

Liquid jet recording head with selected bubble disappearance position

High-frequency transistors are formed on a semiconductor substrate. Each transistor includes an emitter having a fish-bone structure, a base formed to surround the emitter, and a base lead region connected to the base. A resistor layer having the same conductivity type as that of the base lead region, and an impurity concentration and a junction depth equal to those of the base lead region is formed in the substrate. An emitter electrode is connected to the emitter and the resistor layer. A portion of the emitter electrode connected to the resistor layer has an interdigital structure, and is connected to the resistor layer at two or more contact surface portions or an interdigital surface portion. An electrode on the wiring layer side is connected to the resistor layer. A portion of the electrode connected to the resistor layer has an interdigital structure which matches with the interdigital structure of the emitter electrode.

High-frequency semiconductor device having emitter stabilizing resistor

A liquid jet recording head which is used for generating bubbles in a writing liquid of a liquid chamber and discharging droplets of the writing liquid to a recording sheet in an ink-jet printer. The liquid jet recording head includes an orifice from which the writing liquid is discharged, a liquid discharge path leading to the orifice, the orifice communicating with the liquid chamber. The liquid jet recording head further includes a plurality of energy generating elements for generating energy to produce the bubbles in the writing liquid, the plurality of energy generating elements being provided within the liquid chamber and corresponding to a single orifice. Each of the energy generating elements has an energy transmitting surface which is approximately perpendicular to the liquid discharge path, and one or more combinations of the energy generating elements which are independently driven by the drive control mechanism to allow gradation recording on the recording sheet.

Liquid jet head for gradation recording

Growing community of inventors

Yokohama, Japan

Takashi Kimura