"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 |
| 7265653 | Method of providing a protective component with an adjusted time characteristic of the thermal transfer from a heating element to a fusible element The invention relates to a method for producing a protective component, for example a fuse component or a fusing resistor, including a fusible element and a heating element, which are attached as stacking components to the surface of a substrate. The fusible element... | 09/04/2007 |
| 7199697 | Alloy type thermal fuse and material for a thermal fuse element An alloy type thermal fuse is provided in which a ternary Sn—In—Bi alloy is used, excellent overload characteristic and dielectric breakdown characteristic are attained, the insulation stability after an operation can be sufficiently assured, and a fuse element ... | 04/03/2007 |
| 7142088 | Alloy type thermal fuse and material for a thermal fuse element An alloy type thermal fuse is provided in which a ternary Sn—In—Bi alloy is used, excellent overload characteristic and dielectric breakdown characteristic are attained, the insulation stability after an operation can be sufficiently assured, and a fuse element ... | 11/28/2006 |
| 7073472 | Starter having structure for preventing overheating A starter for cranking an internal combustion engine is composed of an electric motor, an output shaft driven by the motor, a pinion gear coupled to the output shaft, and a magnetic switch. Electric power is supplied to the motor from an on-board battery through a s... | 07/11/2006 |
| 7068141 | Thermal fuse A thermal fuse having a quick melting property is provided. In the thermal fuse, metal layers 15, 16 connected to a fusible alloy 13 are provided at respective leading ends of a pair of metal terminals 11. The metal layers 15, 16 have lar... | 06/27/2006 |
| 7042327 | Alloy type thermal fuse and wire member for a thermal fuse element An alloy type thermal fuse is provided in which a ternary Sn—In—Bi alloy is used, the operating temperature belongs to the range of 130 to 170° C., the overload characteristic and the dielectric breakdown characteristic are excellent, the insulation stability a... | 05/09/2006 |
| 7038569 | Alloy type thermal fuse and fuse element The present invention relates to an alloy type thermal fuse and a fuse element which are particularly useful as a thermoprotector for a battery. It is an object of the invention to provide an alloy type thermal fuse in which a ternary In—Sn—Bi alloy or an alloy ... | 05/02/2006 |
| 6963264 | Alloy type thermal fuse and wire member for a thermal fuse element The invention relates to an alloy type thermal fuse and a wire member for a thermal fuse element, and provides an alloy type thermal fuse in which a fuse element does not contain a harmful metal, the operating temperature is about 150° C., the dispersion of the ope... | 11/08/2005 |
| 6801117 | Fault sensing wire and alarm apparatus A fault sensing electrical wire (411) utilized one or more sensor strips (407) which provide an impedance change when the wire is subject to an overtemperature condition or mechanical damage of the wire. A control unit (402) measures the impedan... | 10/05/2004 |
| 6710310 | Heating element with integrated heat safety device The invention relates to armoured heating elements. The invention specifically relates to a heating device (1) consisting of a tubular envelope, wherein a heating element (4) surrounded by insulation (3) is arranged, said heating element (4 | 03/23/2004 |
| 6512444 | Fault sensing wire and alarm apparatus A fault sensing electrical wire (411) utilizes one or more sensor strips (407) which provide an impedance change when the wire is subject to an overtemperature condition or mechanical damage of the wire. A control unit (402) measures the impedance of the ... | 01/28/2003 |
| 6445277 | Safety device of electric circuit and process for producing the same A safety device of an electric circuit is provided, in which a thermal fuse securely prevents an accident from occurring when an overcurrent protector is extraordinarily overheated. The safety device includes: first protective means in an overcurrent prot... | 09/03/2002 |
| 6198376 | Safety device for electric circuit A safety device for preventing a trouble caused by an abnormal overheating of an electric circuit is provided, which includes: a circuit board; a first circuit pattern; a second circuit pattern; a first electrode connected to the first circuit pattern; a ... | 03/06/2001 |
| 6040754 | Thin type thermal fuse and manufacturing method thereof A thin type thermal fuse is structured by a resin base film, a pair of belt-shaped lead conductors, a low melting-point fusible alloy piece, flux and a resin cover film. Tip portions of the pair of belt-shaped lead conductors is fixed on the resin base fi... | 03/21/2000 |
| 6037854 | Thermal fuse for fluorescent lamps A fluorescent lamp thermal fuse arrangement is disclosed. The arrangement in a preferred embodiment comprises a fluorescent glass tube lamp, a thermal fuse wrapped externally around an end of the lamp, electrically insulated mechanical means, lead portion... | 03/14/2000 |
| 5977860 | Surface-mount fuse and the manufacture thereof A surface-mount fuse for protecting a circuit, which includes a substrate having first and second surfaces, each surface having first, second, third, and fourth ends, the substrate also having first, second, third, and fourth sides. The fuse includes a me... | 11/02/1999 |
| 5923240 | Temperature fuse A temperature fuse for use in an electric circuit provided in an automobile or the like. The temperature fuse includes a pressure-contact terminal having a pressure-contact blade, a temperature opening and closing member having one end connected electrica... | 07/13/1999 |
| 5858454 | Overcurrent protection device An overcurrent protection device and a method for the production thereof is provided wherein a fusible link is bonded across a pair of electrodes. A composite layer envelops the fusible link and is formed from a gelatinous composition. The composite layer... | 01/12/1999 |
| 5699032 | Surface-mount fuse having a substrate with surfaces and a metal strip attached to the substrate using layer of adhesive material A surface-mount fuse for protecting a circuit, includes a substrate having first and second surfaces, each surface having first, second, third, and forth ends, the substrate also having first, second, third, and fourth sides. The fuse also includes a meta... | 12/16/1997 |
| 5652562 | Thermally fused resistor having a portion of a solder loop thermally connected to an electrically insulated portion of an outer surface of the resistor A thermally fused resistor arrangement wherein a resistor is electrically connected at one end to a first resistor terminal and at an opposite end to a second resistor terminal. A solder loop is provided to make the electrical connection between one end o... | 07/29/1997 |
| 5567143 | Flue draft malfunction detector and shut-off control for oil burner furnaces Flue-draft-malfunction detector and shut-off control for oil burner furnaces automatically stops operation of the oil burner in event of flue draft malfunction and prevents further running operation of the oil burner until a meltable element in the contro... | 10/22/1996 |
| 5363083 | Temperature responsive, electric overcurrent protection module A temperature responsive electric overcurrent protection module incorporated in an electric circuit on a circuitboard has a PTC resistor which heats up when subjected to an excessive current. Its resistance rises with its temperature to control the curren... | 11/08/1994 |
| 5173593 | Electric cigar lighter having a thermal safety fuse A car-borne electric cigar lighter includes a receptacle having a spring contact for receiving the heater element of the lighter for energization. A pair of spaced electrially conductive connecting plates form part of the electrical circuit to the spring ... | 12/22/1992 |
| 4933658 | High temperature fluid sensor A high temperature fluid sensor has a fusible detector including a body having longitudinally extending conductors therein. A first portion of the conductors is confined within the body whereas a second portion of the conductors projects from an end of th... | 06/12/1990 |
| 4881055 | High-temperature-fluid sensor The Sensor is designed for use in detecting fire, or high temperature in vessels or pipes pressurized with air, gas or liquids. It has a polymer body which confines electrical conductors, and the conductors project from opposite ends of the body. The cond... | 11/14/1989 |
| 4746892 | Thermally actuated latch for electrical circuits A thermally actuated latch for electrical circuits is permanently operative for completing an electrical circuit upon exposure to a predetermined elevated temperature. The latch includes a fixed contact, a movable contact arm which is biased toward the fi... | 05/24/1988 |
| 4622534 | Thermal fuse A thermal fuse for use in interconnection of lead acid batteries which will fuse as a result of heat being conducted through the fuse from the batteries or other devices to which it is attached, rather than as a result of direct heating of the fuse conseq... | 11/11/1986 |
| 4472705 | Thermostatic switch with thermal override A bimetallic disc actuated thermostatic switch with thermal override comprises a base, a fixed contact on the base, a movable contact and a bimetallic disc which moves the movable contact into and out of engagement with the fixed contact to effect or inte... | 09/18/1984 |
| 4441093 | Thermal fuse and the method of manufacturing the same A thermal fuse comprises a coiled spring interposed in a stretched condition between two opposed conductors in such a fashion that the spring is imparted with tension and is soldered by a fusible alloy having a specified fusing point. The coiled spring is... | 04/03/1984 |
| 4415796 | Electric iron with unitary thermostat and overtemperature control assembly An adjustable stacked thermostat assembly, particularly for use in an electric appliance, such as an electric steam iron, includes a lower bimetallic heat deformable blade, an intermediate stiff conductive spring blade carrying a electrical contact and co... | 11/15/1983 |
| 4208647 | Thermal switch with organic-glass bead mixture sensing pellet A thermal switch for automatically opening a circuit when the ambient temperature exceeds a predetermined level is disclosed which utilizes a sensing pellet formed of an organic-glass bead mixture. The organic-glass bead pellet retains a pair of leads in ... | 06/17/1980 |
| 4160968 | Normally open, thermal sensitive electrical switching device A temperature sensitive normally open electrical switching device has a pair of normally isolated, current carrying leads. A casing defines a central cavity and encloses first and second electrodes which are electrically connected to separate ones of the ... | 07/10/1979 |
| 4135176 | Thermal switch and method of making A thermal switch device for automatically opening a circuit when the ambient temperature is increased to a predetermined level. A pair of conductor wires arranged in side by side fashion are spring loaded into contact with one another by inserting the con... | 01/16/1979 |
| 4124835 | Remotely controlled utility service interrupter system and apparatus Apparatus for selectively disconnecting the electric service of individual customers from an electric power supply line by electrical signals transmitted from a central point remote from the customer's premises. A circuit interrupter, such as a circuit br... | 11/07/1978 |
| 4032877 | Protector for electric circuits A heat-sensitive protector, that is connectable into an electric circuit, has an elongated, effectively non-fusing element which performs the function of a connector as long as that protector is intact, and thereafter moves fron a retracted position to an... | 06/28/1977 |
| 4017818 | Thermal switch device and method of making A thermal switch for automatically opening a circuit when the ambient temperature is increased to a predetermined level. A pair of conductor wires are arranged in side by side fashion with extremities extending in the same direction. A spring portion is i... | 04/12/1977 |
| 4016522 | Thermal switch device and method of making A thermal switch for automatically opening a circuit when the ambient temperature is increased to a predetermined level. A pair of conductor wires are arranged in side by side fashion with extremities extending in the same direction. A spring portion is i... | 04/05/1977 |
| 4016523 | Thermal switch device A thermal switch for automatically opening a circuit when the ambient temperature is increased to a predetermined level. A pair of conductor wires are arranged in side by side fashion with extremities extending in the same direction. A first spring portio... | 04/05/1977 |
| 4001799 | Kiln alarm An apparatus activates an alarm when the heat and temperature provided by a kiln reach a predetermined level. The apparatus includes a tube extending through the wall of the kiln. An integral mounting surface at the end of the tube inside the kiln provide... | 01/04/1977 |
| 3995246 | Device for controlling the temperature and protecting against excessive flow of current of electric installations A device for controlling the temperature and protecting against excessive flow of current of electric installations, said device being provided with a mechanical switch which opens itself at a definite previously selected temperature, said mechanical swit... | 11/30/1976 |