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| Number | Title | Issue Date |
| 8077553 | Timing system and device and method for making the same A timing device for indicating a passage of a duration of time is disclosed. The timing device in accordance with the embodiments of the invention has a grid array architecture. The grid array architecture includes an electrode structure with an anode layer, a catho... | 12/13/2011 |
| 7813226 | Timing system and device and method for making the same A timing device for indicating a passage of a duration of time is disclosed. The timing device in accordance with the embodiments of the invention has a grid array architecture. The grid array architecture includes an electrode structure with an anode layer, a catho... | 10/12/2010 |
| 7626893 | Timer switch The present invention provides an electrochemical timer device (110) having a source (101) and a drain (102) contact. The device further comprises a switch channel (104) and a delay reservoir (103) that are electrochemically interc... | 12/01/2009 |
| 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 ionizing radiation in a close proximity relationship to the source of i... | 02/10/2009 |
| 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 generates a visual and/or audio indication of the passage a duration of t... | 05/13/2008 |
| 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 the back part having a first surface and a second surface extending b... | 05/08/2007 |
| 7146206 | Detection of cardiac arrhythmia using mathematical representation of standard ΔRR probability density histograms A method and a system for detecting cardiac arrhythmias that includes detecting RR intervals of the patient wherein each RR interval is an interval between two heart beats, and simulating standard probability density histograms of ΔRRs by means of a suitable probab... | 12/05/2006 |
| 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 thereon. Each substrate has a migrating ink pattern printed on a surface of... | 07/12/2005 |
| 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 indicator material that is solid at temperatures below the pre... | 04/30/2002 |
| 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 item or its packaging is fitted by adhesive means or other me... | 09/10/1996 |
| 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 sets is consumed in the course of electrolytic reaction and ... | 05/29/1990 |
| 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 arranged, between which a charge flows through the electrolyte (... | 08/22/1989 |
| 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 electrolyte (4) arranged so that, upon activation, electrons pass... | 02/14/1989 |
| 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 which a DC voltage may be applied and a thermocouple includin... | 05/24/1988 |
| 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 the analog driving circuit for indicating when the sensor s... | 01/26/1988 |
| 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 condition of the battery to give a reading in increments of time o... | 11/25/1986 |
| 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 receptacle, the receptacle and absorbent material being se... | 01/11/1983 |
| 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. The movement of the colored particles results in a visibl... | 12/21/1982 |
| 4164004 | Electrochemical potential memory device using liquid electrolyte An electrochemical potential memory device comprising two electrodes containing an Ag2 Se-Ag3 PO4 solid solution, and an aqueous or non-aqueous electrolyte containing Ag+ ion.... | 08/07/1979 |
| 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 recommended servicing cycle. Because of the delicate nature of the... | 01/09/1979 |
| 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, (NOx), etc., incorporates a gas-sensing electrochemical cell which utilizes an electrically biased, hydrated, solid polymer electro... | 10/31/1978 |
| 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 and sleeve and means for retaining the electrolyte within ... | 07/25/1978 |
| 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 can containing a liquid electrolyte with an aluminum anode i... | 07/11/1978 |
| 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 required for a desired application. Circuitry is provided f... | 02/01/1977 |
| 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 electrolyte whose color changes when the mercury deposited o... | 01/04/1977 |
| 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 a cathode cup-like container. Connected across said two te... | 08/10/1976 |
| 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 electrolytic integrating element electrolytically corroded ... | 07/27/1976 |
| 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 current integrator that accumulates the intermittent period... | 02/10/1976 |
