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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7375602 | Methods for propagating a non sinusoidal signal without distortion in dispersive lossy media Systems and methods are described for transmitting a waveform having a controllable attenuation and propagation velocity. An exemplary method comprises: generating an exponential waveform, the exponential waveform (a) being characterized by the equation Vin | 05/20/2008 |
| 7362105 | Integrated microstructure sensor element for detecting thermodynamic variables of a fluid An integrated microstructure sensor element is proposed for detecting thermodynamic measured variables of a fluid. To that end, a supporting body, particularly a board or a wafer having at least one microstructured heating element in contact with the fluid during op... | 04/22/2008 |
| 7253632 | Method for qualifying joints and contacts of electric circuits In a method for qualifying an electric circuit having at least one contact, a reference function of thermoelectric voltage versus time of a faultless electric circuit is provided. The circuit is heated by at least one measuring electric impulse. Thermoelectric-volta... | 08/07/2007 |
| 7167806 | Method and system for measuring temperature and power distribution of a device A present invention provides real-time temperature and power mapping of fully operating electronic devices. The method utilizes infrared (IR) temperature imaging, while an IR-transparent coolant flows through a specially designed cell directly over the electronic de... | 01/23/2007 |
| 7157702 | High resolution atom probe A three dimensional atom probe comprising a sharp specimen (10) coupled to a mounting means (12) where emission of charged particles is caused by application of a potential to the specimen tip (10) such that charged particles are influenced by f... | 01/02/2007 |
| 7098672 | Flash vapor sampling for a trace chemical detector The presence of trace molecules in air is often determined using high sensitivity gas sensing instruments, such as an ion mobility spectrometer. Such devices are commonly utilized in the fields of explosives detection, identification of narcotics, and in application... | 08/29/2006 |
| 7044635 | Temperature correction method for thermal analysis apparatus and thermal analysis apparatus Disclosed is a temperature correction method for a thermal analysis apparatus which measures electric current, voltage, and electric resistance of a measurement sample while changing the temperature of the measurement sample set between a pair of electrodes. The pai... | 05/16/2006 |
| 6948388 | Wireless remote sensor A sensing system includes a ring oscillator that emits electromagnetic radiation at a characteristic frequency. The ring oscillator comprises an odd number plurality of inverters that are electrically connected in series. The sensing system also comprises a temperat... | 09/27/2005 |
| 6902317 | Method and device for measuring thermoelectric characteristics of combinatorial specimen A method and device for measuring thermoelectric characteristics of a combinatorial sample. The method and device are useful for rapid sample evaluation, the investigation of thermoelectric materials, and the carrier control of semiconductors. The device includes co... | 06/07/2005 |
| 6856136 | Thermoelectric device test structure A test structure for testing a thick film thermoelectric device is presented. The test structure is able to test the thermoelectric device in the device's three modes of operation, namely as a cooling device, as a heat pump, and as a power generator. The test struct... | 02/15/2005 |
| 6791335 | Sample assembly for thermoelectric analyzer In a sample assembly for a thermoelectric analyzer, typically TSC (Thermally Stimulated Current) analyzer, a sample is fixed to an electrically-insulating substrate via an adhesive layer. The material of the adhesive layer is indium or gold-tin alloy. The substrate ... | 09/14/2004 |
| 6727424 | Complex oxide having high thermoelectric conversion efficiency This invention provides a complex oxide comprising the features of : (i) being represented by the formula:(A0.4B0.1M0.1)x/0.6Co2Oy wherein A and B are elements differing from each other, each represen... | 04/27/2004 |
| 6563073 | Method of welding metals and apparatus for use therefor A method for welding parts using the thermo-electrical output of the metals to be welded to control and evaluate the welding process in which a single energy pulse, such as an electric current or a laser, containing a known amount of electricity is applie... | 05/13/2003 |
| 6513000 | Simulation method of wiring temperature rise A heat capacity C1 is obtained by conducting two-dimensional thermal analysis simulation to the cross-section of a wiring. Next, based on one-dimensional approximate equation of θ0 =(Q0 /2) (λ.multidot.SC1)-1/... | 01/28/2003 |
| 6467951 | Probe apparatus and method for measuring thermoelectric properties of materials A method and apparatus for measuring and characterizing microscopic thermoelectric material samples using scanning microscopes. The method relies on concurrent thermal and electrical measurements using scanning thermal probes, and extends the applicabilit... | 10/22/2002 |
| 6083770 | Thermoelectric piece and process of making the same A thermoelectric piece has an increased adhesive strength between a semiconductor matrix of Bi--Sb--Te or Bi--Te--Se and a diffusion barrier layer deposited thereon for blocking diffusion of a soldering material into the semiconductor matrix. An Sn-alloy ... | 07/04/2000 |
| 5680316 | Method for estimating discharge capability of zinc oxide power element, method for screening the element and systems for carrying out these methods The discharge capability of zinc oxide elements is determined. A current of a given energy quantity is allowed to flow through a zinc oxide element to generate heat. The element is photographed by a camera and the temperature distribution of the element i... | 10/21/1997 |
| 5422498 | Apparatus for diagnosing interconnections of semiconductor integrated circuits The invention provides an apparatus for diagnosing a void within a conductive material for interconnections of semiconductor integrated circuits. A laser beam irradiating section is provided for supplying a thermal wave to interconnections of the semicond... | 06/06/1995 |
| 5251765 | Apparatus and method for segregating rods of undesirable alloy composition Apparatus and method for segregating elongate cylindrical rods of undesirable alloy composition from rods having a desired alloy composition is disclosed. The apparatus includes a rod segregation table having an upper rod transport side for individually m... | 10/12/1993 |
| 5030920 | Method of detecting wear of cutting tool by ascertaining a tool workpiece contact resistance A method for detecting wear of a cutting tool for cutting a workpiece measures the contact resistance between the cutting tool and the workpiece for detecting wear of the cutting tool from a change in the contact resistance, whereby such wear of the cutti... | 07/09/1991 |
| 5019517 | System, detector and method for trace gases A detector system (10) especially suited for detecting a halogen containing component in a gas stream includes a gas chromatograph (12), which is connected by gas line (13) to pyrolysis chamber (14). Sources (16) of additional gas streams are connected by... | 05/28/1991 |
| 4920319 | Method and apparatus for determining the thickness of a coating on a metal substrate A system for non-destructively determining the thickness of a coating on a metal substrate includes using a first probe to locally heat the coating so as to establish a temperature gradient therein. The probe is configured so as to also provide electrical... | 04/24/1990 |
| 4542345 | Multi-element thermoelectric non-destructive testing device and method A non-destructive testing device and method in which information is obtained from a plurality of thermoelectric junctions made between an unknown material and a plurality of test elements of different known characteristics to provide data for identifying ... | 09/17/1985 |
| 4335379 | Method and system for providing an audible alarm responsive to sensed conditions An alarm system responsive to a predetermined concentration of gaseous hydrocarbon in an area. A gaseous hydrocarbon responsive variable resistance element having a heater has resistance characteristics that are relatively stable upon energization of the ... | 06/15/1982 |
| 4320344 | Metal-alloy thermoelectric characteristic analyzer Apparatus for identifying the metal alloy composition of a test piece. Two thermoelectric probes are brought into contact with the test piece. Both of the probes are heated, one of which is heated to a predetermined temperature greater than the temperatur... | 03/16/1982 |
| 4206408 | Procedures and equipment for studying surface phenomena through field effect, by means of an emission point A device for investigating surface phenomena by field emission contains an emission point in an evacuatable enclosure facing a fluorescent screen. The point is desorbed by a first pulse which produces sufficient heating of the point to attain substantiall... | 06/03/1980 |
| 4156840 | Thermoelectric metal sorter A metal sorter including a pair of electrically conductive probes of identical metallic composition are placed in contact with a metallic specimen. A thermoelectric heat pump is positioned between the two probes to produce a temperature difference therebe... | 05/29/1979 |
| 4019364 | Method and apparatus for testing welds between dissimilar metals by using the seebeck effect To test certain structural characteristics of a weld formed between two dissimilar metals in order to test the quality, or structural integrity, of the weld, the emf generated at the weld bond interface during welding, as a result of the Seebeck effect (t... | 04/26/1977 |
