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7613760 |
Efficient implementation of multi-channel integrators and differentiators in a programmable device
Efficiently implemented multi-channel integrators and multi-channel differentiators utilize a delay section in a single integrator or differentiator in lieu of parallel integrator or differentiator...
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7555507 |
Apparatus for solving differential equations
An apparatus for solving time-continuous differential equations is disclosed. The apparatus includes a group of hybrid integrators interconnected to each other. Each one of the hybrid integrators...
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6130706 |
Process for determining vehicle dynamics
A process for determining at least one dynamic of a vehicle, particularly slip angle, during travel. The process involves optically monitoring, in real time and from the vehicle itself, the...
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5245557 |
High efficiency digital integrate and dump
A high efficiency digital integrate and dump circuit with a digital output is provided for recovering digital information from an analog input signal. The circuit utilizes a method of preprocessing...
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4872116 |
Vehicle motion estimating system of hybrid type
A vehicle motion estimating system for estimating a vehicle motion variable such as yaw rate, lateral acceleration, or side slip angle by using a mathematical vehicle model is composed of a digital...
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4679158 |
Automatic mirror rotating system
A mirror positioning system (230) for a towed and a towing vehicle (102, 32) has a mirror (34) pivotally mounted on a support (36) for movement about a vertical axis. Stepping motor (60) pivots the...
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4669055 |
Non-recursive analog integrator
A non recursive analog integrator providing M integrations of a sampled analog signal Vn,m. The integrator comprises a series parallel demultiplexer with N outputs, N capacitors each with an...
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4580227 |
Device for determining and following the instantaneous coordinates of the extreme value of a curve
The invention relates to a device for determining and following the instantaneous coordinates of the extreme value of a curve y=f(x), characteristic of a system having an input x and an output...
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4500973 |
Electronic devices
An electronic watthour meter for connection in a two-wire power distribution circuit comprises a shunt connected in one of the wires and an electronic circuit comprising a transconductance...
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4471451 |
Digital data sense amplifier and signal differentiator
A digital data sense amplifier is disclosed for detecting small signal outputs from a storage media or from input sensors and comprises a differential amplifier whose outputs are coupled via two...
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4409667 |
Process and device for the derivation of an analog electric signal
The present invention relates to a process and device for obtaining the derivation of an analog electric signal P varying slowly as a function of a variable t. According to the invention, a...
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4379260 |
Dual-slope integrator
A dual-slope integrator is provided in the usual manner with input switches for a measured voltage and reference voltage and with a first counter having a count capacitor N1, in addition to the...
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4289397 |
Laser ceilometer signal processing means
For use in a pulsed-laser lidar such as a laser ceilometer, there are shown several examples of signal processing means for separating desired pulses due to targets such as clouds from strong...
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4250557 |
Integrator having drop-out circuit
An integrator for totalizing with respect to time an input signal representing a process variable being metered to provide a total reading for a given period. The integrator includes a drop-out...
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4213184 |
Signal processor for processing ultrasonic receiver signals
A signal processor is provided which uses an analog integrating circuit in conjunction with a set of digital counters controlled by a precision clock for sampling timing to provide an improved...
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4145743 |
Voltage level generator using digital integration
Circuit for producing an output threshold voltage having a given relation to noise signals. The threshold crossings of a noise signal and a reference signal are processed by a circuit including a...
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4117540 |
Computing module
The computing module comprises a group of three circuits each intended to perform an elementary operation on the input signals and consisting of a summing circuit for receiving the signals E1 and...
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4075701 |
Method and circuit arrangement for adapting the measuring range of a measuring device operating with delta modulation in a navigation system
A method and circuit arrangement for changing the sensitivity of the measng range in a device employing delta modulation in a navigation system. The device uses an integrator for integrating a...
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4071901 |
Analog-to-digital conversion means and associated lag compensated apparatus
A differentiating circuit comprising an operational amplifier with capacitance feedback utilizes an analog-to-digital integrator and a digital-to-analog converter in the feedback loop. Digital rate...
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4023019 |
Automatic scaled digital integrator
A digital scaler adjusts the processing of an input signal to a digital fback integrator by a multiplying technique which is implemented by shifting the connections between an analog-to-digital...
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3978348 |
Electrical signal noise suppressing apparatus
A integrator circuit is calibrated prior to measuring input signals therewith, by applying a reference voltage thereto with the output thereof applied to a comparator which has an output threshold...
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3903506 |
Method and means for setting the core memory array of a jukebox
An arrangement for setting the core memory array of a jukebox by means of a 10-button-board and two additional buttons, in which the 10-button-board serves for the selection of a certain record....
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3900718 |
System for counting pills and the like
This invention provides a means for counting small articles, in which the items are not constrained to pass in single file through a count-sensing element, but instead may be permitted to pass in...
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3896299 |
Trigonometric analog-to-digital conversion apparatus
Trigonometric conversion apparatus is shown wherein a trial angle is generated and converted to digital sine and cosine of that angle. These digital angle signals are then multiplied times analog...
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3895284 |
Apparatus for determining the state of charge of storage batteries
An apparatus responsive to the current supplied to and by a storage battery, together with various charge, temperature and discharge rate factors, for calculating and displaying a value of the...
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3882488 |
Analog to digital converter system including computer controlled feedback means
An analog to digital converter is arranged with binary digital computer controlled feedback means for increasing the resolution of the converter without increasing hardware. A resolution of 2x+z...
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3875378 |
Hybrid computing apparatus of automatic connection type
A hybrid computer automatically connecting a plurality of computing elements, for example integrators of an analog computer by an instruction signal from a digital computer to perform a desired...
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3754126 |
INTEGRATING CONVEYOR SCALE
An improved method and apparatus for measuring the rate at which material is transferred through a region and for measuring the total quantity of material transferred through the region over a...
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3659086 |
REPETITIVE SAMPLING WEIGHTED FUNCTION CONVERTER
An electrical signal is sampled repeatedly and the samples are integrated in analog or digital form to effect active filtering of the signal. Preferably the samples are weighted differently or the...
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3633004 |
INTEGRATOR/SYNCHRONIZER WITH INFINITE MEMORY INCLUDING DRIFT-CORRECTING FEEDBACK CIRCUIT
Apparatus including an analog integrator and means for operating the analog integrator in closed-loop configuration as a synchronizer. Circuits are provided for imparting infinite memory to the...
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3624368 |
SAMPLED DATA COMPUTER
A hybrid analog computer utilizing pulse width modulation techniques wher plural analog input signals during a sampling cycle are each sequentially applied for respective controlled portions of a...
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3582628 |
ANALOG-DIGITAL COMPUTER INTERCONNECTION SYSTEM
A hybrid analog-digital computer including a plurality of analog computer elements for interconnection with a digital computer in which the digital computer input-output bus is connected to write...
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3550018 |
DIGITAL INTEGRATOR-SYNCHRONIZER HAVING LOW NOISE SUSCEPTIBILITY
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3530458 |
ANALOG TO DIGITAL CONVERSION SYSTEM HAVING IMPROVED ACCURACY
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3522419 |
ELECTRICAL DEVICE FOR COMPENSATING A DIGITAL EXECUTION TIME IN HYBRID COMPUTER SYSTEMS AND THE LIKE
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3505673 |
DIGITAL INTEGRATOR-SYNCHRONIZER
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3489885 |
COUNTING INTEGRATOR FOR A.C. SIGNALS
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3489886 |
APPARATUS FOR MEASURING THE INTEGRATION VALUE OF A PLURALITY OF SIGNALS UTILISING A SAMPLING SYSTEM
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3480766 |
INERTIAL NAVIGATOR USING ANALOG INTEGRATORS WITH DIGITAL LOGIC
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3478328 |
CONTINUOUS AVERAGING SYSTEM
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3412241 |
Analog-digital integrator and recorder for analysis
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3407291 |
Computer for evaluating integrals using a statistical computing process
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3358281 |
Integrator
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3328568 |
Analog signal integrator yielding digital output
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3322942 |
Reset integrator using digital and analog techniques
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3313924 |
Integrator including means for controlling an output counter and the input signal magnitude
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3217149 |
Automatic integration
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3192371 |
Feedback integrating system
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3183342 |
Hybrid arithmetic unit
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3167644 |
Open loop and closed loop integrator of an analog physical variable
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