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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 4472594 | Method of increasing the sensitivity of thermopile A heat sensitive portion is cooled when a temperature of an object to be measured is higher than the standard temperature while a heat sensitive portion is heated when a temperature of an object to be measured is lower than the standard temperature by Pel... | 09/18/1984 |
| 4465895 | Thermoelectric devices having improved elements and element interconnects and method of making same A new and improved thermoelectric device and a method of manufacturing same takes advantage of the anisotropy of the materials employed to provide a substantially increased power output over prior art devices. The individual thermoelectric elements are pr... | 08/14/1984 |
| 4465894 | Substrateless thermoelectric device and method of making same A new and improved thermoelectric device of the type which provides electrical energy in response to a temperature gradient applied across the device exhibits both structural integrity and improved efficiency. The new thermoelectric device includes a plur... | 08/14/1984 |
| 4463214 | Thermoelectric generator apparatus and operation method A method of operating a thermoelectric generator includes: cyclically producing increasing then decreasing temperature differences in the thermoelectric material of the generator; and generating a cyclically increasing then decreasing electrical generator... | 07/31/1984 |
| 4459428 | Thermoelectric device and method of making same A thermoelectric device includes first and second sets of spaced apart copper plate segments. Thermoelectric elements which generate electricity are disposed between the sets of copper plate segments. The elements are electrically and thermally fastened t... | 07/10/1984 |
| 4451690 | Method of compensating a temperature of a thermopile A heat sensitive portion is cooled or heated by Peltier's effect owing to an electric current passing through a thermopile from the outside and simultaneously said electric current passing through the thermopile is controlled in dependence upon a circumfe... | 05/29/1984 |
| 4450314 | Thermocouple for measuring temperatures and method of making the thermocouple A thermocouple made of the silicon carbide and carbon. A carbon rod extends within a silicon carbide tube. The tube is closed at one end, and one end of the rod is fixed in a blind hole in the tube end to define the hot junction of the thermocouple, the h... | 05/22/1984 |
| 4444991 | High-efficiency thermopile A thermopile formed of conductor elements of dissimilar materials, the junctions of the dissimilar materials being much larger in cross-section than the normal cross-sectional area of the conductor elements, and junctions in one temperature zone being muc... | 04/24/1984 |
| 4443650 | Thermoelectric converter element The disclosed thermoelectric converter element includes at least one member made of thermoelectric substance whose crystal structure is so controlled that its crystallographic axis is directed to a preferred orientation which is different from the directi... | 04/17/1984 |
| 4438290 | Fast response thermocouple surface probe A fast response thermocouple probe is formed from two strips of different resilient thermocouple metals. The strips each have a bowed portion with the bowed portions overlapping and crossing each other at a spot welded junction point. The ends of each str... | 03/20/1984 |
| 4438291 | Screen-printable thermocouples A low-cost thermocouple utilizes a substrate of a first conductor, upon a surface of which is deposited on insulative layer, supporting a screen-printed conductive ink pattern. A second conductor is electrolessly plated upon the conductive ink pattern and... | 03/20/1984 |
| 4410756 | Flexible type multipoint thermocouple assembly A multipoint thermocouple assembly for monitoring temperatures at various locations in a utilization environment includes an elongate thermocouple support strap insertable lengthwise into a protective hollow well or the like. Mounted on the support strap ... | 10/18/1983 |
| 4098617 | Method of manufacturing film thermopile A method of manufacturing a film thermopile, whereby a film of a thermoelectric semiconductor material which is an n-type stoichiometric solid solution containing Bi2 Te3 and Sb2 Te3 is deposited on a substrate.... | 07/04/1978 |
| 4047436 | Measuring detector and a method of fabrication of said detector The measuring detector is constituted by the resistance of a given volume of doped semiconductor, there being formed on one face of a semiconducting monocrystal a surface region having a well-determined thickness and a well-determined concentration of dop... | 09/13/1977 |
| 4032363 | Low power high voltage thermopile An electrical power generating array of a semiconductor, laminar structured thermopile for producing low values of electrical power at high values of direct output voltage and a method for its manufacture including the step of lapping opposed semiconducto... | 06/28/1977 |
| 4029472 | Thermoelectric exhaust gas sensor An extremely high output and durable thermoelectric sensor for detecting the quantitative content of combustibles in an exhaust gas. Thick film coatings of lithia-nickel and doped titanium dioxide provide two thermocouple junctions on a ceramic substrate.... | 06/14/1977 |
| 4011148 | Method of electrolysis A method of electrolysis is described in which the electrolysis is powered by electricity generated from the energy released by the reaction between at least one of the elements liberated by the electrolysis and a reactive body. A preferred aspect of the ... | 03/08/1977 |
| 4004948 | Paint-on thermocouple Thermocouples are fabricated by painting lines of two dissimilar thermal-ment materials on a non-conducting substrate such that the painted lines intersect at the location where temperature is to be measured. Alternatively the paint may be thinned to the... | 01/25/1977 |
| 3973997 | Thermocouple with improved hot junction An improved hot junction construction for thermocouples is provided by means of a tight fitting internal tube positioned over the outer end of the thermocouple wire prior to its fusion with the tip tube. The internal tube is formed of an alloy, such as an... | 08/10/1976 |
| 3973996 | Diffusion welded solar cell array A method of mounting and interconnecting solar cells to form a solar cell array particularly suited to space applications. In the present invention, the solar cells, which are already silver plated on the underside, are diffusion welded to a suitably plat... | 08/10/1976 |
| 3960604 | Device for temperature measurements An improved thermocouple sensor is disclosed comprising a pair of thermocouple wires formed from tungsten-rhenium or molybdenum-rhenium alloys and terminating in ends adapted for thermocouple application, and a metal mass of tungsten or molybdenum intimat... | 06/01/1976 |
| 3954507 | Thermocouples used for measuring temperatures This invention relates to thermocouple hot junction members which are used in immersion thermocouple assemblies employed for measuring the temperature of molten metal. At the temperatures involved, which are over 1200°C and often in the region of 1800°C... | 05/04/1976 |
