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7489596 |
Methods and apparatus capable of indicating elapsed time intervals
A method and apparatus of defining a time interval includes providing a source of ionizing radiation that radiates emissions thereof; placing a radiation sensitive display material responsive to...
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7372780 |
Timing system and device and method for making the same
A timing device for indicating the passage of a duration of time is disclosed. The timing device in accordance with the embodiments of the invention comprises an electrochemical component that...
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7215604 |
Time indicator assembly
A time indicator assembly including a front part and a back part is disclosed that can easily pass through a printer. The time indicator assembly includes a base substrate forming at least part of...
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6916130 |
Method of printing, activating and issuing an activated time dependent label
A method for continuously producing a plurality of printed and activated time dependent labels. In one embodiment, the method comprises providing a web having a plurality of inked substrates...
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6379036 |
Method for measurement of duration of molten state for solder during reflow
An instrument and a method for measuring a duration at or above a predetermined temperature, such as a solder reflow temperature, are disclosed. The instrument includes a capillary tube and an...
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5555223 |
Consumer item
A process for producing or packing an item with a limited period of use or interest, e.g. a regularly issued periodical or foodstuffs to be consumed within a limited time, in which the consumer...
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4929090 |
Temperature history indicatiang label
A temperature indicating label includes a rectangular, insulative panel scribed on its faces with intersecting grooves in which electrodes of a galvanic reaction are bedded. One of the electrode...
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4860269 |
Electrochemical time switching device
An electrochemical time switching device comprising a hollow body (1). The hollow body (1) is filled with a liquid electrolyte (12), in which a disintegrable anode (11) and a cathode (8) are...
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4804275 |
Indicator device for indicating the time integral of a monitored parameter
A device for indicating the time integral of a monitored parameter comprising a strip of electrochromic material (2), e.g. tungsten trioxide, an electrode (3) at one end of the strip and an...
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4746223 |
Meter for integrating the operating time of a steam trap
A meter for integrating the operating time of a steam trap including an integrating instrument consisting of a transparent vessel containing an electrolyte between two columns of mercury across...
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4721942 |
Calibration warning apparatus
A circuit for indicating when recalibration of an electrical sensor is necessary includes an analog driving circuit adapted to be coupled to the sensor, and an analog indicating device coupled to...
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4625175 |
Device indicating the time remaining of the useful life of a battery
This invention relates to a device which when connected to a storage battery of a type which is a prime power source, such as a lead acid storage battery, measures the open circuit voltage...
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4367957 |
Time-lapse indicator or the like
A time-lapse indicator in which a receptacle contains a fluid material having numerous discrete particles dispersed in a liquid carrier, and a layer of absorbent material in close proximity to the...
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4364670 |
Electrophoretic elapsed time indicator
An elapsed time indicator is constructed to operate by electrophoresis wherein light colored particles suspended in an organic liquid are caused to move in a tube device by applied electric fields....
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4164004 |
Electrochemical potential memory device using liquid electrolyte
An electrochemical potential memory device comprising two electrodes containing an Ag 2 Se-Ag 3 PO 4 solid solution, and an aqueous or non-aqueous electrolyte containing Ag + ion.
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4134101 |
Protective circuit for electronic motor vehicle engine operating timers
Transistorized electronic timer circuits installed in motorized vehicles indicate the running time of the devices such as automobiles, trucks, motorcycles and the like which have a factory...
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4123700 |
Potentiostated, self-humidifying, solid polymer electrolyte carbon monoxide dosimeter
A dosimeter for measuring accumulated dosage of noxious gases, such as carbon monoxide (CO), oxides of nitrogen, (NO x ), etc., incorporates a gas-sensing electrochemical cell which utilizes an...
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4103296 |
Coulometric electrolytic timing device with coaxially aligned electrodes
A coulometric timing device having improved reliability. A cylindrical sleeve, a solid, cylindrical, electrically conductive rod coaxially aligned within the sleeve, an electrolyte between the rod...
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4100490 |
Elapsed time indicator and electrolytic timer cell
An elapsed time indicator includes an electrolytic timing cell in series connection with a resistor, which series circuit may be connected to a D.C. voltage. The cell is comprised of an aluminum...
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4006415 |
Fast reset integrator
An integration system is disclosed including a reversible integrating device having an integrating capacity between its upper and lower limits of integration which is at least twice that which is...
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4001688 |
Coulometer with end of integration color change indicator
A coulometer signaling device is disclosed which indicates when a particular machine has been used for a predetermined amount of time. The device comprises a mercury coulometer which includes an...
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3974495 |
Coulometrically timed indicator lamp circuits operable from high voltages
A three terminal coulometric timer cell is provided having two terminals available to detect continuity of an anode filament that is ruptured after a predetermined time period by plating away upon...
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3972022 |
Indicator of vehicle service intervals
An indicator of vehicle service intervals for use in a vehicle comprising a transducer for transducing the revolution of the transmission output shaft of the vehicle into an electrical signal, an...
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3938128 |
Warning circuit for indicating that an intermittently operated device has been operated for a predetermined cumulative length of time
A warning circuit particularly suited for indicating that an intermittently operated device has been operated for a predetermined cumulative length of time. The circuit utilizes a coulometer as a...
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3911362 |
Statistical analog monitor
This abstract describes an instrument for the statistical study of the various analog parameters of a physical operation, which vary with time. The parameters may be, for example, voltage,...
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3903736 |
Service computer using electrolytic cell storage member
The present invention is directed to an apparatus for monitoring the wear on an article such as the wear on an engine and wherein the wear on the article is related to a particular function such as...
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3875505 |
Data collection system and apparatus suitable for use therein
A system for producing an indication of the number of occurrences of certain events, such as the traversal of miles by a vehicle, in which a single-pole double-throw reed switch is operated between...
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3863154 |
SWITCHED INTEGRATOR
A method and apparatus is disclosed for measuring the operational use of a physical system. The apparatus includes an integrator having a reversible coulometer, including a bored tube made of...
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3855506 |
SOLID ELECTROLYTE COULOMETER
An electrochemical timer or coulometer comprising an assembly of a solid electrolyte, preferably Ag 7 I 4 PO 4 , a silver electrode and a detector, e.g. gold, electrode, such assembly being...
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3820025 |
METHOD OF APPARATUS FOR GENERATING AN R-INTERVAL HISTOGRAM
A method and apparatus for automatically and directly generating a graphical data display, particularly an R-interval histogram, over a monitoring time period in which data is continuously...
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3801916 |
ELECTRO-CHEMICAL ODOMETER
Described is an electro-chemical pulse counter suitable for use as a vehicle odometer. The pulse counter may include a number of identical stages, each of the stages having an electro-chemical...
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3777266 |
PROGRAMMABLE INTEGRATOR
A method and apparatus is disclosed for measuring the operational use of a physical system. The apparatus includes an integrator having a reversible coulometer including a bored tube made of a...
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3768015 |
ELECTROLYTIC TIMING CELL
An electrolytic timing cell utilizing three electrodes, one of which contains a very specific quantity of a plateable metal, the second of which acts as a dummy electrode through which current is...
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3753110 |
TIMING APPARATUS USING ELECTROCHEMICAL MEMORY DEVICE
An electrochemical potential memory device comprising a cathode mainly comprising silver, an anode mainly comprising silver chalcogenide, and a silver ion conductive solid state electrolyte...
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3679976 |
ELAPSED TIME INDICATOR HAVING COLOR INDICATION
The anode electrode of an elapsed time indicator includes an elapsed time measuring metallic element superposed on a coloring metallic element, the normal electrode potential of the coloring...
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3665308 |
PACKAGE FOR AN ELECTROCHEMICAL ELAPSED TIME METER
The electrochemical elapsed time meter package of the invention includes two parts which are separable from each other and which can be reassembled in reverse position. A coulometer tube and the...
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3638120 |
COULOMETER AND TIMING APPARATUS
A reversible coulometer includes a pair of electrodes wherein each electrode alternates between functioning as an anode and as a cathode on alternate cycles. The coulometer includes a container and...
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3603880 |
SERVICE COMPUTER FOR INDICATING WHEN A PRODUCT SUCH AS AN AUTOMOBILE HAS TO BE SERVICED
This invention relates to a service computer and specifically to an automobile service computer for monitoring the operation of a device such as an automobile which requires a periodic servicing...
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3577168 |
LONG DELAY TIMING SYSTEM
The disclosure illustrates a longterm timing system comprising a battery coupled to an electrochemical cell through a pulsing circuit. The electrochemical cell is of the type that requires current...
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3555308 |
ELECTRONIC CIRCUIT FOR ELECTROCHEMICAL TIMER
A longterm timing system includes an electrochemical cell, the impedance of which is very low until its anode deplates of silver. Deplating results from the application of current pulses supplied...
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3546693 |
HEAVY MAINTENANCE SERVICE COMPUTER
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3518501 |
ELECTROCHEMICAL CELL CIRCUITS
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3499323 |
AIRCRAFT SERVICE COMPUTER
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3493860 |
MECHANICALLY RESETTABLE COULOMETER AND TIMING DEVICE
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3486109 |
INDICATING DEVICE FOR LOW ENERGY ELECTRIC SIGNALS,COMPRISING CONDUCTING LIQUIDS
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3431414 |
RADIATION DETECTOR AND RECORDER
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3428894 |
REVERSIBLE ELECTROCHEMICAL COULOMETER
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3401337 |
Connector device for connecting a battery terminal with a batterylife indicator meter
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3387288 |
Rapid readout of electrolytic cell accumulator
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3380072 |
Recording coulometer
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