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7387363 |
Inkjet nozzle arrangement with ink flow control
An inkjet nozzle arrangement includes a substrate that defines an ink supply channel. Integrated circuitry is positioned on the substrate. An ink chamber structure is positioned on the substrate...
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6922203 |
Barrier/orifice design for improved printhead performance
A fluid ejecting printhead including a substrate having a surface, and a columnar group of drop generators formed on the surface that are arranged into subgroups, each subgroup being fluidically...
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6719405 |
Inkjet printhead having convex wall bubble chamber
In an inkjet printhead, a substantially rectangular heater element has a length and width dimension defining an aspect ratio of more than about 2.0. A bubble chamber with a curved or convex wall...
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6426763 |
Liquid crystal display device having light-guide plate for reflecting and diffusing light-source light so that the light is uniformly incident on liquid crystal cell
In a light-guide plate for use in a liquid crystal display device, light enters a transmissive plate member from one end face thereof, is reflected and diffused inside the plate member, and emerges...
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5760697 |
Multi-channel recording device
A multi-channel recording device for recording the time profiles of a plurality of measurement signals which can be connected to the device. The device has first and second groups of optical...
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5216439 |
Scaling systems for data recorders
Data is recorded with a plurality of clocked recording elements in a plurality of recordings in a plurality of different scales determined by different data recording parameters. Data recording...
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4977409 |
Recorder with automatic scale recording device
A recorder for recording analog data on recording paper moving in a fixed direction includes a recording unit for recording the analog data on the recording paper, a setting unit for setting scale...
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4860034 |
Ink jet recording apparatus with ambient temperature detecting means for providing a signal to drive control means responsive to a recording-density data signal
The driving frequency of a head is changed in conformity with temperature, and density data is converted into an optimum head driving voltage in conformity with temperature, whereby the discharge...
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4603396 |
Graphic printer with automatic scale information setting device
Disclosed hereinbelow is an automatic graphic printer which is characterized in that; it automatically sets the scale information of the graphic axes as a function of the sample data value, and...
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4591871 |
Recorder with functions to correct expansion or contraction of recording paper
A recorder including an A/D converter for converting analog measured input signals into digital input sampling data for a predetermined sampling period, for processing the converted data by a...
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RE31896 |
Chart recorders
In a potentiometric chart recorder, the speed of the chart motor 22 is, in one mode of operation (AUTO) selected by a switch 32, varied between two values in dependence upon the rate of change or...
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4353076 |
Apparatus for controlling a recorder
A curve plotter or a display device for the recording of a curve section outside of a recording field is equipped with a logic circuit which shifts it into the recording field. Either the curve...
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4331963 |
Recording device
In an exemplary embodiment, a recording head and recording carrier are movable relative to one another for the purpose of recording several measurement signals on the recording carrier. It is the...
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4246640 |
Automatic recorder abscissa scaling
An apparatus for automatically scaling an X-Y recorder for use with a thermal analyser wherein temperature range span during an experiment may be plotted exactly scaled to an abscissa such that the...
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4107697 |
Pressure recorder with power conservation means
An instrument for recordation and time monitoring of pressure, as at a remote wellhead site. The instrument is battery powered, and means for conservation of battery power include powering the...
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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...
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3846785 |
PROCESS AND APPARATUS FOR EXTENDING THE RANGE OF A DIGITAL TO ANALOG CONVERTER TO BE USED WITH A STRIP RECORDER
A process for adding a zones at the ends of the range in digital-analog converters intended for use in connection with recorders writing on a strip, wherein the data to be sent to said converter...
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3842507 |
RECORDING INSTRUMENT FOR DETERMINING RATE OF PENETRATION IN A BOREHOLE
A measuring instrument for monitoring the rate of penetration of a borehole comprising a shaft having a drum thereon which is turned in proportion to movement of the drill string. The shaft has an...
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3843955 |
HELICAL BAR STRIP CHART RECORDER
In a strip chart recorder, the graph of the signal to be recorded is generated by a helical bar printer comprising a helical bar of several convolutions with a blade hammer positioned to strike...
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3795008 |
METHOD FOR THE DISCRETE SAMPLING OF CO-RELATED VALUES OF TWO OR MORE VARIABLES
Automatically controlled, discrete sampling of co-related values of two or more variables is triggered in response to at least two of the variables each time any of them reaches or passes...
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3781679 |
LOGARITHMIC RECORDING SYSTEM
A range switching circuit is comprised of a DC amplifier to which is supplied an electric signal to be recorded, a plurality of resistances corresponding to respective digit places within an entire...
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3728734 |
METHOD OF RESOLVING MULTIPLE SWEEP AMBIGUITIES ENCOUNTERED IN HIGH RESOLUTION GRAPHIC RECORDERS AND THE LIKE
A high resolution recording system is one in which the signal transit time significantly exceeds the recorder sweep so that N sweeps occur before the first recorded return. Thus, it becomes a...
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3699948 |
RECORDING DEVICE WITH AUTOMATIC GAIN RANGE CHANGER AND D.C. CORRECTION MEANS
An automatic recording device incorporating a range changer and an asymmetrical DC level correcting means. The range changer automatically selects a gain capable of supplying the recorder, for...
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3582959 |
WIDE RANGE LOGARITHMIC RECORDING APPARATUS
A wide range logarithmic recording apparatus comprising a range switching circuit including resistors connected to respective digits and arranged to receive electric signals to be recorded, and a...
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3500433 |
PRECISION DEPTH RECORDER
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3553713 |
EVENT RECORDER WITH RECORDING RATIO-IDENTIFYING MEANS
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3484789 |
MULTIPLEX RECORDER
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3471782 |
MULTIPLE REVOLUTION TYPE LOGARITHMIC RHEOSTAT RECORDING AND MEASURING DEVICE
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3380066 |
EXTENDED RANGE RECORDER
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3376416 |
Thermoluminescent dosimetry system
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3353020 |
Automatic control system for an chi-ray diffraction apparatus
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3308377 |
Variable gain display device having indicator means and scale means responsive to first and second variable parameters respectively
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3302210 |
Echo sounding apparatus
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3288994 |
Automatic sensitivity selector for a mass spectrometer multiscale recorder using a single ion collector
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3233245 |
Folded trace for recorders
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3185987 |
Oscillation control device for use in recording instruments
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3181056 |
Well logging methods and apparatus for recording a wide range of measured values as a continuous curve on a single scale
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3153562 |
Recording apparatus
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3102770 |
Recorder ink supply
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3098689 |
Integral recording
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3096137 |
Recorder for densitometer
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3070797 |
Attenuator
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2981107 |
Automatic range change circuit
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2973238 |
Multiple-range recorder switching device
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2969708 |
Means for analyzing microscopic particles and the like
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2960378 |
Magnitude and integral recorder
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2948580 |
Dual course recorder
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2947593 |
Apparatus for transmitting and translating movement
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2941183 |
Multi-range echo sounding system
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2935368 |
Variable range graphical recorder
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