Shiseido Company, Limited

Canon Kabushiki Kaisha

Canon Denshi Kabushiki Kaisha

Hideo Nakajima

Osamu Koyama

Shinji Sakai

Kenji Tamaki

Hisatoshi Baba

Masayuki Usui

Hirotake Ando

Yoshihiko Watanabe

Tadashi Kato

Satoshi Tomomasa

Tohru Okamoto

Haruhiko Inoue

Yasuo Nakamura

Michihiro Yamaguchi

Toshio Yanaki

Yasuhiro Arai

Hiroyuki Kakoki

Yoshitaka Ogino

Shoji Nishiyama

Fumiaki Matsuzaki

Akira Ishikubo

Toru Okamoto

Kazuo Tokubo

Ichiro Iida

Kiyoshi Kawada

Kimio Ohno

Tohru Tatsuno

Miyuki Kohchi

Miyuki Okabe

Masaaki Yasuda

The present invention is an oil-in-water emulsion composition containing a hydrophilic non-ionic surfactant or hydrophilic anionic surfactant, a higher aliphatic alcohol, water, and an oil ingredient which meets specific conditions. This is an oil-in-water emulsion composition with good high temperature stability and usability, and can be used as a cream-like endermic liniment such as a cosmetic.

Oil-in-water emulsion composition

Artificial skin having a thickness of 100 to 1,000 &#x3bc;m, and prepared from a polymer which, when formed into a thin film having a thickness of 100&#x2013;1,000 &#x3bc;m, exhibits a percent transmission of light having a wavelength of 450&#x2013;280 nm of at least 10%. In the artificial skin of the present invention, grooves which imitate furrows are provided on one surface. Also disclosed is a method for evaluating UV screening agents making use of the artificial skin of the present invention, on the basis of the relation between UV shielding power of a UV screening agent and UV transmission through the artificial skin.

Artificial skin and method for evaluating UV screening agent by use of the same

An oil-in-water emulsion composition containing a vitamin A fatty acid ester, which further contains means for preventing oxidation of the vitamin A fatty acid ester and means for preventing hydrolysis of the vitamin A fatty acid ester. The vitamin A fatty acid ester is stabilized in the composition. The composition is particularly suitable for purposes of external-use.

Oil-in-water type emulsified composition

An emulsion for hair treatment is provided which is characterized by the following: the formulation (I) is composed of a W/O type emulsion, which allows the main agent to be stable, and contains preferably an oil soluble polymer compound for the emulsifier; the formulation (I), upon being mixed with formulation (II), can easily undergo demulsification and a phase inversion into an O/W type emulsion; and the emulsion has adequate viscosity to prevent dripping from the hair and a superior dyeing capability. Also, 2-formulation type oxidation hair dye with an excellent hair dyeing effect is provided by adding isostearyl alcohol.

Emulsion for hair treatment

An oil-in-water type emulsion composition comprising: an amphiphile and a surfactant selected from the substances which can form a gel in an amphiphatic substance-surfactant-water system at a temperature of not lower than ordinary temperatures; oil and water, wherein substantially the total amount of amphiphile and surfactant exist on the boundary surfaces of emulsion particles. The emulsion composition has both the physical properties close to those of an aqueous solution and a creamy feel at the time of use.

Oil-in-water type emulsion composition

An optical information processing apparatus and method of correcting an offset of a tracking error signal. The apparatus includes an optical head for irradiating a light beam onto an optical recording medium, an objective lens, mounted on the optical head, for condensing the light beam onto the recording medium, a photodetector for receiving a light beam reflected by or transmitted through the recording medium and for generating a tracking error signal indicative of a positional deviation between the light beam irradiated position and a track, a tracking actuator for moving the objective lens in a direction intersecting the tracks and for causing the objective lens to vibrate in the vicinity of the center of the light beam, a tracking controller for driving the tracking actuator in accordance with the tracking error signal so as to correct the positional deviation, a measuring device for measuring an offset of the tracking error signal from an output of the photodetector when the objective lens is caused to vibrate in the vicinity of the center of the light beam and a correction device for correcting the offset of the tracking error signal on the basis of the offset measured by the measuring device.

Optical information processing method and apparatus including measuring

An optical information processing apparatus includes an optical head for irradiating a light beam onto an optical recording medium, an objective lens, mounted on the optical head, for condensing the light beam onto the recording medium, a photodetector for receiving a light beam from the recording medium and for generating a tracking error signal indicative of a positional deviation between a light beam irradiated position and a track, a tracking actuator for moving the objective lens in a direction intersecting tracks of the recording medium, a tracking controller for driving the tracking actuator in accordance with the tracking error signal so as to correct the positional deviation, a position detector for detecting a relative position of the objective lens with respect to the optical head in the direction intersecting the tracks, a measuring device for measuring a relationship between an offset of the tracking error signal and a position of the objective lens from the tracking error signal and an output of the position detector, a memory for storing the relationship measured by the measuring device and a correction device for correcting the offset of the tracking error signal in accordance with the stored relationship, in response to the position detector output signal.

Optical information processing apparatus in which the offset of a

The present invention relates to an information processing apparatus for effecting information recording and/or reproduction on a recording medium loaded in the apparatus. The information processing apparatus comprises a detector for detecting the temperature of the medium and a medium discharging device for discharging the medium from the apparatus when the temperature detected by the detector exceeds a predetermined value so as to prevent change or loss of information recorded on the medium due to temperature increase of the apparatus. The information processing apparatus may further include a control device for suspending the discharge of the medium even when the detected temperature exceeds a predetermined value in the course of a recording or erasing operation, but discharging the medium in case a next operation is not started within a predetermined time after the end of the above operation.

Information processing apparatus with recording medium discharging

An optical information processing apparatus includes a unit for scanning a track formed on an optical recording medium with a light beam, a tracking control unit for correcting a position shift between a radiation position of the light beam on the medium and the track, and an offset correction unit for automatically correcting an offset of the tracking control unit.

Optical information processing apparatus including a correction circuit

An optical information processing apparatus includes a light source for radiating a light beam onto an optical information recording medium. A first photosensor is provided for partially receiving the light beam emitted from the light source and generating an output, and a second photosensor is provided for receiving either a light beam reflected by the recording medium or a light beam transmitted through the recording medium and generating an output. A control circuit controls power of the light beam emitted from the light source using the output from the first photosensor, and a correction circuit automatically corrects linearity of the output of the first photosensor with respect to the power of the light beam emitted from the light source in accordance with the output from the second photosensor.

Optical information processing apparatus for correcting linearity of a

An emulsified composition having an average particle size of 0.010 to 0.070 .mu.m contains at least the following components (A), (B) and (C):

Emulsified composition

A water-in-oil emulsion type cosmetic composition comprising 0.1% to 20% by weight of a propylene oxide-ethylene oxide addition product having the general formula (I): ##STR1## wherein a is an integer of 7 to 19, b is an integer of a+2, m is an average addition mol number of 5 to 30, and n is an average addition mol number of 5 to 30, and 0.01% to 20% by weight of an iron oxide. This water-in-oil emulsion type cosmetic composition has excellent emulsification stability and excellent dispersion stabililty of an iron oxide pigment at a wide temperature range.

Water-in-oil emulsion type cosmetic composition

An optical system driving arrangement includes an optical system driving body, a support shaft provided on the body, an optical system holding member movably supported by the support shaft, an optical system held by the optical system holding member for directing a light beam supplied from the body to an object to be irradiated, a drive device for moving the optical system holding member relative to the body and at least one constituent of an arrangement for detecting the position of the optical system held by the optical system holding member.

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Yokohama, Japan

Hideo Nakajima