Seiko Epson Corporation

Fuji Electric Co., Ltd.

Fuji Electric Device Technology Co., Ltd.

Seiko Epson Corporation, a Corporation of Japan

Hajime Kurihara

Hidetsugu Shimura

Masanao Kunugi

Motomu Hayakawa

Tsukasa Kosuda

Teruyuki Mizumoto

Nozomu Inoue

Yoshiro Koga

Hiroyuki Uwazumi

Norimitsu Baba

Youichi Tei

Akira Iso

Kyu Takada

Akihiko Ikegami

Kazuhito Higuchi

Hiroshi Tanaka

Katsuyuki Honda

Takashi Hama

Takehiko Okamura

Kenjiro Yoshioka

Koji Kitazawa

Yutaka Kondo

Kengo Kainuma

Hiroshi Itoh

Yoshito Uzawa

Shigeki Inoue

Kenjirou Yoshioka

An object of the present invention is to provide a plating method on a glass base plate. The method allows forming a plating film on a base plate composed of a glass material with excellent adhesivity and homogeneity by means of an electroless plating method even to a thickness of 1 &#x3bc;m or more. Before forming a plating film by a step of electroless plating S, a surface treatment process is conducted on a surface of the base plate composed of a glass material. The surface treatment process comprises at least a step of glass activation treatment Sto increase quantity of silanol groups on the surface of the base plate at least by a factor of two using an aqueous solution of diluted acid, a step of silane coupling agent treatment S, a step of palladium catalyst treatment S, and a step of palladium bonding treatment S

Method of manufacturing a disk substrate for a magnetic recording medium

A disk substrate for a perpendicular magnetic recording medium is, disclosed. The substrate exhibits sufficient productivity, serves the function of a soft magnetic backing layer of the perpendicular magnetic recording medium, and scarcely generates noise. A perpendicular magnetic recording medium using such a substrate also is disclosed. The disk substrate comprises at least a soft magnetic underlayer formed on a nonmagnetic base plate by means of an electroless plating method. The thermal expansion coefficient of the soft magnetic underlayer is larger than a thermal expansion coefficient of the nonmagnetic disk-shaped base plate. A saturation magnetostriction constant &#x3bb;s satisfies a relation &#x3bb;s&#x2267;&#x2212;1&#xd7;10.

Disk substrate for a perpendicular magnetic recording medium and a perpendicular magnetic recording medium using the substrate

An electronic watch in which the display on a liquid crystal displayis prohibited when the detected output voltage of a secondary batterydrops to a first predefined voltage. An initialization process is performed when the detected voltage of the secondary batterydrops to a second voltage lower than the first voltage, and the display on the liquid crystal display unitis restarted when the detected voltage of the secondary batteryrises to a third voltage not lower than the first voltage after having reached the second voltage.

Electronic apparatus and method of controlling the electronic apparatus

A voltage and internal resistance of a battery are measured in advance as its capacity decreases. In a flash memory of a device powered by the battery, voltages necessary to drive a motor, an EL display, and a bezel input unit are stored. By comparing the voltage of the battery with a resistor connected as a dummy load and the voltage read from the flash memory, it can be determined whether it is possible to drive the motor, the EL display, or the bezel input unit.

Electronic apparatus having battery power source and control method for the electronic apparatus

An information processing device to which data can be input by the use of a rotary bezel. A pulse-count detection sensor unit and a rotational-direction detection sensor unit read an optical pattern which is formed on the rotary bezel to generate a series of pulse signals. The pulse-count detection sensor unit and the rotational-direction detection sensor unit are arranged such that a phase difference occurs between the signals of the sensor unit and the signals of the sensor unit so that it is possible to detect the rotational direction of the rotary bezel. A data-signal generating element generates a data signal on the basis of the detected rotational angle and the pulse count generated by the pulse-count detection sensor unit

Information processing device

An image forming apparatus includes a laser beam scanning unit adapted for scanning laser beams on a surface of a charged image bearing member (,). The laser beam scanning unit (,) comprises a semiconductor laser array (,) having a plurality of light emitting portions (,) and a rotating polygon mirror adapted for deflecting laser beams emitted from the light emitting portions to the image bearing member (,). The light emitting portions (,) are disposed two-dimensionally on a surface of the semiconductor laser array. The lighting and the amount of light of the light emitting portions (,) are discretely controlled by a control unit. The scanning unit further includes a collimator lens having a focal length fc, where a distance between a most spaced two of the plurality of light emitting portions is .delta. max, and fc/.delta. max is 25 or more.

Image forming apparatus

When emitted light from LED,is incident on photodiodes,and,with luminance Pa and Pb, currents ia and ib are generated according to luminance Pa and Pb. When outside light is incident through the finger tissues on photodiodes,and,with luminance Pc, current ic is produced. The current i,(&equals;ia&plus;ic) generated by photodiode,and the current i,(&equals;&minus;ib&minus;ic) generated by photodiode,are added at node X, and the current ic corresponding to outside light is thus cancelled. In addition, photodiodes,and,are disposed at different distances from LED,As a result, the current flowing to opamp,is current ia corresponding to luminance Pa because luminance Pb is extremely low. The opamp,then applies a current voltage conversion to generate pulse wave signal Vm.

Reflection photodetector and biological information measuring instrument

A laser beam scanning unit (53) adapted for scanning laser beams on a surface of a charged image bearing member (5) is provided. The laser beam scanning apparatus (53) comprises a semiconductor laser array (21) having a plurality of light emitting portions (21a) and a rotating polygon mirror (3) adapted for deflecting laser beams emitted from the light emitting portions to the image bearing member (5). The light emitting portions (21a) are disposed two-dimensionally on a surface of the semiconductor laser array. The lighting and the amount of light of the light emitting portions (21a) are discretely controlled by a control unit (60).

Laser beam scanning image forming apparatus having two-dimensionally

A charger capable of reliably and uniformly maintaining a discharging gap formed in the vicinity of a contact portion between a charging member and a photosensitive member. A charging member 101 is arranged by supporting and fixing both ends of a flexible film 102 by means of support members 103 to 105. The film 102 forms a flexible portion oriented downwardly from fixed ends S1, S2. The film 102 is brought into contact with the member 110 to be charged in a state in which an unsupported side of the film 102 is oriented toward the downstream side in the rotating direction of the member 110 to be charged. Then, the film 102 is brought into contact with the member 110 to be charged in a contact area N, and the radius of curvature of the film 102 in a zone P2 located downstream of that zone N in the rotating direction of the member 110 to be charged becomes smaller than the radius of curvature of the film 102 in an upstream zone P1.

Charger apparatus

A thermal transfer type image formation device employs a new regeneration method for reconditioning ink sheets employed in the thermal inking process. The ink sheet has a transparent base layer, which also serves as a dielectric layer, an ink layer and a transparent conductive layer, functioning also as an electrode, on a side of the base layer opposite the ink layer. A fixing device is provided for the transfer of photoconductive powder ink to bare areas of the ink sheet to be rejuvenated. A bias voltage is impressed on the photoconductive powder ink, and the photoconductive powder ink which comes in contact with bare areas becomes conductive when exposed with light through the transparent conductive layer and ink adheres to the base layer due to an established electrostatic force between the ink and the conductive layer electrode on the light exposing side of the ink sheet. After the powder ink has been selectively supplied to the bare areas, the ink sheet is then regenerated by heating the sheet melting and thereafter hardening the powder ink.

Image formation device having photoconductive ink based ink sheet

A contact charge supply device for externally controlling the charges, which are supplied to a member to be charged by bringing a contact member appled with an external voltage into contact with the member to be charged, which at least includes an underlayer, and holds the following inequality

Contact charge supply device

A method for producing microcapsules in which various coats can be applied to various cores at any desired but uniformly controllable thickness comprises the steps of:

Method of preparing microcapsule

A method and apparatus for replenishing depleted portions of an ink layer of an ink sheet formed with a conductive ink layer disposed on an insulating layer from which ink has been transferred, without unintentionally supplying ink to undepleted portions of the ink layer are provided. Electrically conductive replacement ink is charged and supplied onto an intermediate transfer roller having a dielectric layer disposed on an electrically conductive layer. Charge is supplied to the insulating layer side of the ink sheet and replacement ink on the intermediate roller contacting the ink sheet at depleted regions of the ink sheet is transferred from the intermediate roller to the depleted portions by electrostatic attraction and not to undepleted portions. The method and apparatus are adaptable for multi-color ink sheets and can be employed in connection with a printer or image forming device.

Replenishing an ink transfer sheet

A method and apparatus for replenishing depleted portions of an ink sheet including a conductive ink layer on a dielectric layer wherein portions of ink have been transferred to a transfer medium. Conductive replacement ink material is supplied to the ink sheet and an electric charge is induced in the replacement ink and opposite charges are induced at an electrode on the opposite side of the dielectric layer. Replacement ink contacting the dielectric layer at the voids will adhere to the ink sheet, but charges in the replacement ink contacting the non-transcribed ink regions will flow to the conductive ink layer and will not adhere to the ink sheet.

Apparatus for replenishing a depleted ink sheet

A photoconductive image forming apparatus in which charged photoconductive toner contacts a transparent insulating substrate and is exposed from within the substrate. Exposure reduces the resistivity of the toner so that its charge can be reversed by a bias voltage and the exposed toner will adhere to the image forming substrate simultaneously with exposure and then transfer to a transfer medium. In an alternative embodiment of the invention, a layer of toner is applied to an electroconductive substrate and the toner layer is exposed with a latent image. The charge of the exposed toner is reversed and the exposed toner is removed by an intermediate toner removal device. The remaining toner is then transferred to a transfer medium. Toner suitable for use includes azo-type metal containing black dyes which do not absorb the exposure and can be sensitized to the near infrared region. Multicolor toners, each sensitized to a different exposure wavelength are provided so that a single multiple wavelength exposure and a single development can be used to form multicolor images.

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Nagano, Japan

Hajime Kurihara