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5825404 Flaw recovering apparatus for optical recording medium  
A flaw recovering apparatus for an optical recording medium comprising a liquid tank for applying refractive index matching liquid onto a recording surface of an optical card to form a refractive...
5328822 Apparatus and method for sedimentation based blood analysis  
An apparatus and process for accurately determining settling data for the settling of erythrocyte cells from a plasma fluid in a test specimen of blood. The apparatus includes a settling tube, a...
5276459 Recording apparatus for performing uniform density image recording utilizing plural types of recording heads  
The present invention relates to image recording apparatus for performing image recording on a recording medium by using plural types of recording heads, each having a plurality of recording...
5246866 Method for transcription of a DNA sequence  
A DNA sequence transcribing method involves labeling a DNA fragment with a fluorescent substance, subjecting the labeled fragments to electrophoresis, exposing a gel containing the DNA fragment to...
5159349 Recording apparatus which projects droplets of liquid through generation of bubbles in a liquid flow path in response to signals received from a photosensor  
A recording apparatus for recording an image sensed by a photosensor comprises an inlet for accepting a liquid to be delivered to an outlet orifice through a liquid flow path. Liquid is supplied to...
5053789 Optically-switched thermal printhead system  
A scanning mode printer operates with an array of heating elements and corresponding photoelectric elements coupled in parallel so that a modulated laser beam scans in line fashion the...
4973123 Electro-optical rotary coupling suitable for tape scanners  
A device for transmission of signals between a stationary element and an element rotating about an axis (8), such as the headwheel (20) of a videotape apparatus, features optical transmission. At...
4971414 Optical information record/read apparatus  
An optical information record/read apparatus comprises a light source for emitting light, a converging optical system for converging the emitted light from the light source on the optical record...
4861128 Optical pickup using a waveguide  
An optical pickup comprising a semiconductor laser, a first waveguide for leading light emitted by the semiconductor laser to recording medium and coupling again light returning from the recording...
4835544 Printing and packaging system and identifying an item of printed matter  
In a high volume printing and packaging operation, stationery is fed by document feeder 10 to a laser printer 14. The printer prints both text and discrete identification code on the page both text...
4607267 Optical ink jet head for ink jet printer  
An optical ink jet head for an ink jet printer irradiates a photochemically reactive substance by an active electromagnetic wave to generate gas so that ink is ejected by the pressure of the gas....
4575808 Method of recording densitogram representing densities of fractionated substances  
A method of recording a densitogram representing densities of albumin, α 1 -globulin, α 2 -globulin, β-globulin and γ-globulin in an electrophoresis is disclosed. In order to display the...
4566793 Recording apparatus for a spectrophotometer  
A spectrophotometer to draw time changes of a plurality of spectrophotometric data by one recording pen. The spectrophotometer has a plurality of sample cells for accommodating samples to be...
4511986 Method and apparatus for simultaneously recording multiple FT-IR signals  
A method and apparatus for simultaneously recording multiple Fourier Transform Infrared (FT-IR) signals using an interferometer. The analog signals are coupled to switching means which is operable...
4492966 Recording apparatus  
A recording apparatus includes a recording unit having a plurality of dot forming portions disposed in a plane, a carriage which moves incrementally in a direction normal to the plane of dot...
4358203 Apparatus for analyzing and evaluating tests in a plurality of wells  
An apparatus is described with which a plurality of microbiological tests made in wells located in a pattern of rows on a tray can be conveniently analyzed and evaluated. A housing is formed with a...
4338033 Densitometer  
A densitometer comprising a recorder so adapted as to be capable of recording a set of analytical data obtained with a photometric system twice at a definite recording interval, an index arranged...
RE30712 System and apparatus for contour plotting the total luminescence spectrum of a sample  
A system for plotting the total luminescence spectrum of a sample comprises a spectrofluorometer including excitation and emission monochromator stages having operating wavelengths dependent on...
4283732 Recording system with inter-line space positioning means  
A recording sheet is successively fed in the abscissa direction by means of a sprocket. The recording sheet is previously printed with ruled lines with a predetermined inter-line space in the...
4242730 Single scan microprocessor-controlled densitometer  
A microprocessor-controlled densitometer system for optically scanning a blood sample or the like and generating an electric analog signal which is a function of the optical density of the scanned...
4222630 Digitally controlled fiber optic recording device  
A device for recording data on a photosensitive recording support comprises a light beam transmitter, means for modulating the intensity of said light beam in relation with the data to be recorded,...
4130784 Apparatus for compensating ordinate phase lag in a plotting apparatus  
In a plotting apparatus such as a spectrophotometer having a modifying system which introduces a phase lag between the occurrence of a change in a dependent variable quantity and plotting thereof...
4130824 Recording analyzer for electrophoretic samples  
A recorder pen is mounted on the sample scanning stage of an electrophoretic sample analyzer. Movement of the stage scans the sample optically while, at the same time, the recorder pen produces an...
4116565 Electrophoretic analyzer with automatic reference circuit  
An analyzer for electrophoretic samples has a sample stage movable linearly with respect to a source and a detector of analysis energy. During a first scan of the sample, a voltage is produced...
4113385 Transient suppressor network for spectrophotometers and the like  
There is described an improvement for an apparatus employing a plurality of operational elements adapted to cooperate for producing an electrical signal representing the variation of an ordinate...
4073621 Reader recorder for toxic gas concentration tapes  
A reader recorder which will plot a concentration versus time graph based on stain intensity of a gas sensitive tape. Simultaneously, the device will integrate the area under the curve to obtain...
4074272 Spectrophotometer having independently controlled chart scale expansion and chart format selection  
A variable chart format system for a recorder with a chart print out, the system having a manually selectable switch for simultaneously controlling the abscissa and ordinate formatting independent...
4069484 Defect plotting system  
High speed writing apparatus, for mapping 1:1 polar plots of disc record defect locations on disc-shaped electrosensitive paper, accepts electrical signals representing defect occurrences from a...
4051483 System for measuring and recording three dimensional configuration of object  
An encoder for converting a distance to an electric signal is connected with a computer to put a distance signal into the computer. Th encoder is put on a moire pattern obtained by interference...
4041502 Sedimentation recorder  
A sedimentation recorder including an optical tracking head controlled to track the liquid-solid separation boundary in a tube containing a sample of liquid-solid mixture. The tracking head is...
4038664 Recording chart lock  
In a measuring instrument such as a spectrophotometer which is driven under the control of a dedicated microcomputer and has a provision for wavelength scan, a flow chart lock system is obtained by...
4037960 Digitally settable selective control for speed of wavelength scan or for time base scan  
In a recording spectrophotometer the ordinate of the plotter-scriber is controlled by the output of a photomultiplier while the abscissa of the plotter-scriber is controlled by a selectable mode...
4005434 Method and apparatus for graphic densitometer display  
An improved method for graphically displaying optical density patterns generated by a densitometer which scans a sample to generate analog signals indicative of the optical density of the sample....
4000946 Stepper motor tracking accuracy control for spectrophotometers  
A tracking accuracy control system for a spectrophotometer utilizing stepper motors for controlling the wavelength drive and chart drive system. An exact ratio between the wavelength drive motor...
3995207 Digitally controlled repetitive scanning in a radiant energy analyzer  
A spectrophotometer including a wavelength stepper motor driving a wavelength scanning mechanism and a chart stepper motor driving a chart recorder, both motors being operative in response to...
3976378 Apparatus for monitoring the selection of chart recording and wavelength scanning speeds in a radiant energy analyzer  
A spectrophotometer sytem having a first stepper motor driving a wavelength scanning mechanism and a second stepper motor driving a chart recorder, both motors being operative in response to pulses...
3975748 Multispectral laser camera device  
A multispectral laser camera made up of a plurality of energy producing means which scan a target area. The resultant reflected light off the target produces a true color image of the target after...
3965477 Automatic graphing apparatus  
Apparatus for producing a graph of a function represented by a varying analogue input signal supplied to the apparatus, comprising display means adapted to display in a graphing operation the graph...
3961898 Comparator circuit for automatic analysis apparatus  
The invention concerns an automatic continuous-flow fluid analyzer of the pe wherein a stream of fluid, segmented by air bubbles or other separating medium inert to the fluid to be analyzed, passes...
3945018 Optical information recording device  
Original information is converted to digital signals and recorded on a digital signal recording medium such as a paper tape. The digital signal recorded on the tape or the like is converted to...
3942893 Apparatus for monitoring the selection of chart recording and wavelength scanning speeds in a radiant energy analyzer  
A spectrophotometer system having a first stepper motor driving a wavelength scanning mechanism and a second stepper motor driving a chart recorder, both motors being operative in response to...
3938888 Automated precision flame-emission photometric apparatus  
A net spectral intensity signal is derived from a comparison between the absolute spectral intensity of the signal interest and the intensity of a spectral continuum on which it rides. To derive...
3936839 Method and system for monitoring the light output of pyrotechnic luminants under dynamic conditions  
The light output of pyrotechnic luminants under dynamic conditions can be nitored to obtain data representative of ground surface illumination as a function of time and position of the illumination...
3902813 Automatic gain adjustment for scanning densitometer output device  
A densitometer is operative to scan a sample to provide an output voltage proportional to the instantaneous density of the sample. During a first scan of the sample this output is provided to a...
3863260 PATTERN BAND FOR MULTICOLOR CIRCULAR KNITTING MACHINES  
A pattern of indicia representative of the distribution of colors along a selected path of a multicolor pattern sample is registered on a fixed-length segment of a pattern band that controls a...
3842422 METHOD AND APPARATUS FOR RECORDING SIGNALS  
A system for recording the output of a density scan in a manner which simplifies the computation of the integrals of various fractions of the scan employs a photodetector for scanning the sample in...
3782827 OPTICAL DEVICE FOR CHARACTERIZING THE SURFACE OR OTHER PROPERTIES OF A SAMPLE  
An optical device is disclosed which is useful for characterizing the surface topography of an opaque sample and for characterizing other properties of transparent samples. In the reflecting mode,...
3765461 APPARATUS FOR TRANSFERRING SEPARATE LIQUID FRACTIONS INTO SEPARATE FRACTION VESSELS  
Apparatus for transferring a plurality of liquid fractions having differing characteristics discharged from a single source which includes a multipath valve connected between the source and a...
3743412 APPARATUS FOR RECORDING IMAGES APPEARING ON A DISPLAY SURFACE  
Improved apparatus for recording and reproducing copies of images displayed upon the display surface of devices such as a Cathode Ray Tube. The improved apparatus includes a camera assembly mounted...
3741658 SPECTROMETER FOR THE FAR INFRARED  
It enables a recording and a reading of interferograms at very different speeds. It comprises an interferometer, a recording mean, a reading means and a wave analyser The recording means produce on...
Matches 1 - 50 out of 185 1 2 3 4 >