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Olympus Optical Company Limited Patents
Assignee:
Olympus Optical Company Limited
Address:
Tokyo, JP
No. of patents:
191
Patents:


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Patent Number Title Of Patent Date Issued
5748372 High numerical aperture and long working distance objective system using diffraction-type optica May 5, 1998
The invention provides a high-magnification and high-NA objective having a long working distance, which is corrected for various aberrations, especially chromatic aberrations over a wide wavelength range and allowed to have an aligning pupil position without making much use of cemented
5696630 Focal plates and method of manufacturing the same December 9, 1997
A focal plate for use in camera and a method of manufacturing the same are disclosed. The focal plate comprises an optical plate, a plurality of lens-like uneven portions regularly formed on the surface of the optical material, and a plurality of fine rugged portions formed on each uneve
5159584 Bias-Magnetic field generating system of photo-magnetic recording device October 27, 1992
A photo-magnetic (magneto-optic) recording device having recording medium in the form of a rotating magnetic disc having magnetic characteristics in a direction perpendicular to its surface has a pickup head (7) disposed on one side of the disc and movable radially of the disc to scan se
4937048 Carrier transporting apparatus and carrier container for use in an immunological analysis June 26, 1990
A carrier transporting apparatus for use in an automatic chemical analyzer for measuring given substances in samples in accordance with an enzyme-immuno-assay includes a carrier supply device for supplying the predetermined number of carriers from a carrier container into successive
4924253 Drive apparatus for a focusing lens May 8, 1990
A focusing lens drive apparatus in which an adjusting value for adjusting an fc error in an EEPROM of a digital memory has been stored, determines an amount of driving a focusing lens, when a CPU receives a measured range data from an AFIC, by calculation based on the measured range data
4851164 Method of manufacturing focal plates July 25, 1989
A focal plate for use in camera and a method of manufacturing the same are disclosed. The focal plate comprises an optical plate, a plurality of lens-like uneven portions regularly formed on the surface of the optical material, and a plurality of fine rugged portions formed on each uneve
4778253 Device for retaining an optical part October 18, 1988
A device for retaining an optical part is disclosed, which comprises an optical element, a holding frame and an adhesive for fixing the optical element to the holding frame. The adhesive comprises an ultraviolet curing type adhesive containing 0.5-20% by weight of a filler.
4772487 Method and apparatus of forming solid phase reagent in micro-module September 20, 1988
Solid reagent film is formed in a micro-well for diagnosis of e.g. AIDS. The process is formed fully automatically without any manual operation. The process includes dispensing reagent solution in micro-wells of one or two rows simultaneously on sequentially feeding microplate, measuring
4757487 Method and apparatus for detecting track crossings on an optical disc July 12, 1988
In a method of detecting track crossings on an optical disc, a light source irradiates a light beam onto an optical disc having guide tracks in the form of a recess and the light beam is reflected and diffracted into a zero order light beam and positive and negative primary light beams.
4750161 Apparatus for recording and reproducing optical information June 7, 1988
An apparatus for recording and reproducing optical information is disclosed. The apparatus comprises a light source, an information recording medium for recording, reproducing, and erasing an information optically with a light beam emanated from the light source, an light output dete
4748605 Bias-magnetic-field generating apparatus in magneto-optical information writing and erasing syst May 31, 1988
A magneto-optical information system writes and erases information on and from a magneto-optical information recording medium under application of a bias-magnetic-field to the recording medium according to writing and erasing command signals. A differential amplifying circuit differentia
4742505 Optical information recording and reproducing memory system May 3, 1988
An optical information recording and reproducing system comprises a light source for emitting a working beam from a front end thereof and a monitoring beam from a rear end thereof, an optical system control circuit, a loop gain adjusting circuit and a photo detector. The monitoring b
4740937 Optical magnetic information recording and reproducing apparatus with separate supporting member April 26, 1988
In an optical magnetic recording and reproducing apparatus including a disc clamp member and a magnetic field biasing device, the disc clamp member and the magnetic field biasing device are pivotably supported by separate supporting members so as to undergo pivotal movement independently
4731775 Information recording regenerating apparatus March 15, 1988
An information recording reproducing apparatus adapted to receive a cartridge therein which contains a disc is provided. The cartridge is loaded in the apparatus on a cartridge transfer body which moves horizontally and then vertically. A disc clamp arm is pivotably supported on the
4726685 Optical measuring device for detecting surface characteristics of object February 23, 1988
In an optical measuring device including a laser ray source, a polarization prism, an objective lens to condensing parallel ray to the surface of a substance to be measured, and divided photo-sensor means to detect reflected ray, the divided photo-sensor means is two divided photo-se
4725126 Lens retaining device February 16, 1988
A device for retaining a lens by a lens holding frame is disclosed, which comprises a plurality of non-adhesion portions formed on an outer periphery of the lens an inner periphery of the frame, and an adhesive inserted into portions other than the non-adhesion portions between the l
4724962 Disk jacket February 16, 1988
A disc jacket, especially for a photo-magnetic disk which records, reproduces and erases information, has a single opening configured to receive both a recording head and a central spindle. The opening extends along the whole radius of the disk to enable effective use of a larger are
4723833 Lens mounting assembly and process February 9, 1988
A lens mounting assembly includes a frame to retain a lens. In the frame, an axially opened annular recess is formed. The lens has an annular axial projection which is received in the recess. Sufficient clearance is formed between the recess wall and the lens periphery to permit thermal
4719612 Method of detecting defects on an optical record medium and a device for carrying out the method January 12, 1988
A method of detecting defects formed on an optical record medium for use in an optical information recording and reproducing apparatus. The method comprises steps of deriving light output signals reflected from the record medium at the time of information writing, comprising the light ou
4718051 Optical beam tracking system for use in optical information recording and/or reproducing apparat January 5, 1988
A beam tracking system is used in an optical information recording and/or reproducing apparatus to optically track a record medium track. An objective lens irradiates an optical beam onto the record medium and is driven by a lens actuator to sweep the optical beam in a coarse mode re
4710908 Servo apparatus for compensating for warp and deflection deviations on optical discs December 1, 1987
Apparatus for compensating for physical deviations due to warp and surface deflections in optical discs during optical recording and reproducing operations. Focus error signals are developed corresponding to the individual addresses of the physical deviations and the extent of deviat
4705366 High temperature microscope November 10, 1987
A high temperature microscope having an optical system and a chamber system is disclosed. Frictional rotation of the peep window provided in the chamber system is caused together with frictional rotation of a first flange, in which the peep window is provided, and a second flange, which
4700057 Light source with power stabilizer having temperature compensation October 13, 1987
An optical power stabilizing device for use in an optical information recording and reproducing apparatus is disclosed. The device comprises a light source for generating a light output power having a non-linear characteristic to a driving current or voltage thereof, a light detection
4674071 Data recording area signal generating method and apparatus June 16, 1987
The invention relates to a method and an apparatus for generating a data recording area signal in order to define an appointed data recording area on a data storing medium which has a multitude of sectors with high information density recorded by means of beam irradiation. The index
4644402 Solid state image sensor February 17, 1987
A solid state image sensor having row lines connected to a vertical scanning circuit, column lines connected to a horizontal scanning circuit, a video line selectively connected to the column lines, and pixels arranged at cross points between the row and column lines, each pixel incl
4636360 Automatic analyzing apparatus January 13, 1987
An automatic analyzing apparatus for automatically effecting chemical analysis on a sample of blood, urea or the like dependent on measurement items by measuring the light absorption degree of a reaction liquid through a reaction vessel, comprising a reaction liquid photometric unit,
4608490 Focus detection method utilizing surface acoustic wave August 26, 1986
Method for detecting a focus condition of an imaging optical system by using a surface acoustic wave device is disclosed. A light receiving element array formed by a plurality of light receiving elements receives a light flux transmitted through at least a part of an image formed by the
4599272 Anti-reflection coating for optical component and method for forming the same July 8, 1986
An anti-reflection coating for an optical component and a method of forming the same are disclosed. The anti-reflection coating is formed on a substrate for an optical component by subjecting a mixture of an evaporating material and 10-30% of SiO.sub.2 to vacuum evaporation at room t
4593188 Apparatus and method for detecting focus condition of an imaging optical system June 3, 1986
An apparatus and method for detecting focus condition of an imaging optical system is disclosed. The apparatus comprises means for dividing a light flux transmitted through the imaging optical system into two sub-light fluxes, first and second light receiving element arrays disposed in f
4580043 Apparatus for detecting focus condition of imaging lens having a circular detecting array April 1, 1986
An apparatus for detecting a focal condition of an imaging lens on the basis of the lateral image shift detection method including a stripe mask array having a plurality of stripe masks arranged radially about an optical axis of the imaging lens at a constant pitch and a light receiving
4572476 Method for detecting a focus condition of an imaging optical system employing interpolated signa February 25, 1986
A method for detecting a focus condition of an objective lens system of a single-lens reflex camera is disclosed. A light flux emanating from the objective lens system is divided into first and second light fluxes by means of a prism array having inclined surfaces whose normal lines make
4567021 U-Shaped reaction tube made of elastic material January 28, 1986
A U-shaped reaction tube used as a reaction tube for a sample analysis in an automatic chemical analyzer and its manufacturing method are disclosed. The U-shaped reaction tube having a cup portion having a large radius, a U-shaped tube portion having a small radius and a tapered end port
4565677 Method for purifying raw material gas for use in semiconductor manufacturing and purifier for us January 21, 1986
A purifier for purifying a raw material gas for use in manufacturing semiconductor devices is formed by a hydrogenated amorphous substance of an element selected from a group consisting of Si, Ge, P and As whose hydride gas is used as the raw material gas. This purifier is used for p
4563430 Method of judging a particle agglutination pattern January 7, 1986
In a method of photoelectrically judging a particle agglutination pattern formed on a conical bottom surface of a reaction vessel by particles descending upon the bottom surface, at least two judging steps utilizing a total particle amount, a thickness ratio, an inclination and so on are
4562346 Apparatus and method for detecting focus condition of imaging optical system employing both shar December 31, 1985
In a camera, a focus condition of an objective lens system is automatically detected in accordance with a combination of two different type detection methods. A light flux emanating from the objective lens system is divided into two light fluxes by means of a prism having a half mirror a
4550998 Toner concentration detecting device November 5, 1985
A magnetic brush developing apparatus including a magnet roll assembly to apply a dry-type, two-component, magnetic developer having magnetic carrier particles and toner particles to an electrostatic latent image to be developed. The toner concentration of the developer is detected by
4550352 Head adjusting device October 29, 1985
A head adjusting device for use in a tape recorder is disclosed. The device comprises an elastic plate body, a magnetic head fitting member formed by folding the plate body, a magnetic head fixed to the head fitting member and provided to the folded portion correspondingly, an azimuth ad
4550253 Corona charger of scorotron type October 29, 1985
In a corona charger of the scorotron type, a corona wire is detachably secured to a base frame made of insulating material and a control grid is also detachably secured to a grid frame made of insulating material. The grid frame is secured to the base frame in an easily removable manner.
4549131 Semiconductor device and technique which employs normally unused interconnection elements as res October 22, 1985
A semiconductor device for use in an optical device and a method of manufacturing the same are disclosed. The device comprises a plurality of active cells and a plurality of wiring cells. The resistors formed in the device are constituted by combining these wiring cells.
4546399 Tape recorder October 8, 1985
The disclosed tape recorder includes an electronic indicating section and an operating section of multi-function such as a tape counter, a clock and a stopwatch. A switch member is provided for compulsorily stopping the function of the operating section of each function, if necessary.
4543618 Tape recorder September 24, 1985
A tape recorder capable of performing simultaneous recording or reproducing operation and dubbing operation easy is disclosed. The tape recorder comprises a dubbing means for simultaneously operating a reproducing operation means for one tape drive mechanism and a recording and repro
4539700 Personal portable audio device September 3, 1985
A personal portable audio device includes a garment having a pocket, a speaker is provided at the shoulder portions of the garment, audio components located in the garment pockets, and lead wires are arranged in the garment for connecting the audio components with the speakers.
4536369 Automatic analyzing apparatus August 20, 1985
An automatic analyzing apparatus for automatically effecting chemical analysis on a sample of blood, urea or the like dependent on measurement items by measuring the light absorption degree of a reaction liquid through a reaction vessel, comprising a reaction liquid photometric unit,
4531156 Solid state image pickup device July 23, 1985
A solid state image pickup device having an electronic shutter function is disclosed. The device comprises a plurality of picture cells each having a static induction transistor and arranged in a matrix, a plurality of vertical and horizontal scanning lines for scanning the cells, vertic
4530106 Counter device for use in tape recorder July 16, 1985
In the disclosed device, a counter digitally counts the used or unused length of a tape, a display using a liquid crystal or the like displays the count, and a switch optionally shifts the count up or down.
4530098 Device for varying laser output July 16, 1985
A device for varying laser output including a source for generating a laser beam, at least one parallel flat plate having a transmissive characteristic for the laser beam and so arranged that the laser beam enters with the optical axis thereof at a Brewster's angle, a mechanism for r
4525761 Transcriber with erasing device June 25, 1985
A transcriber used for repeatedly reproducing information recorded on a tape, comprised of a through-hole provided in a part of the main body of the transcriber and an eraser which has a magnet to generate magnetic flux in a prescribed direction to the through-hole.
4518248 Apparatus for forming image by developing charge latent image with two component dry developing May 21, 1985
An electrophotographic copying machine having a photosensitive drum is disclosed. Around the drum there are arranged a corona charger for uniformly charging the drum, an optical system for projecting an image of a document onto the uniformly charged drum to form an electrostatic charge
4518247 Apparatus for forming image by developing charge latent image with toner May 21, 1985
An electrophotographic copying machine having a photosensitive drum is disclosed. Around the drum there are arranged a corona charger for uniformly charging the drum, an optical system for projecting an image of a document onto the uniformly charged drum to form an electrostatic charge
4511935 Tape recorder April 16, 1985
In the disclosed tape recorder, the erase head is supplied with DC erasing current during recording and is connectable with an AC erase unit which supplies AC erasing current instead of the DC erasing current to offer high-quality recording and replay.
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