Class 338/26 - Cable or tape type (e.g., fire-detecting cable)

Subclass of Class 338 - Electrical resistors
Definition: Subject matter wherein the resistor is flexible or deformable
No. of patents: 37
Last issue date: 04/29/2008

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Number	Title	Issue Date
7365631	Overheat detection sensor The invention relates to an overheat detection sensor. The inventive sensor is characterised in that it comprises a conductive core which extends inside a first conductive sheath, said core and first sheath being separated by a material having a positive or negative...	04/29/2008
7305752	Method for fabricating an inductive coil A method of fabricating an inductive coil having inner and outer winding portions formed from one or more metal sheets. The method includes wrapping a fiber strand around an outer surface of the inner winding portion, positioning the outer winding portion around the...	12/11/2007
7060949	End seal design for temperature sensing probes An end seal for a temperature sensing probe. Electrical interface wiring is passed through a restraining element and is operatively coupled to a temperature sensing element or heater element mounted in the sheath. The sheath is formed around the restraining element ...	06/13/2006
6997604	Temperature sensor A temperature sensor comprising: a housing; a thermo-sensitive element housed in the housing for outputting electric characteristics varying with a temperature, as an electric signal; and a pair of lead wires connected at their one-side ends with the thermo-sensitiv...	02/14/2006
6977575	Flexible averaging resistance temperature detector A temperature sensor. The sensor comprises a wire comprising a resistance temperature detector (RTD) sensing material wrapped around a flexible insulated metal core wire to form an assembly. A first end of the sensing wire is electrically connected to a first end of...	12/20/2005
6974912	Insulator and connect cable and method of making same An insulator and cable, wherein the insulator includes a spacer of low dielectric factor having a first end and a second end, wherein the first end comprises more than about three quarters of an axial length of the insulator and wherein the first end has a generally...	12/13/2005
6927332	Flexible test cable A flexible test cable has a center conductor (210), a conductive sleeve (240) with an effective electrical length equal to an odd quarter wavelength of a frequency of interest, a dielectric spacer (230) located inside the conductive sleeve (2...	08/09/2005
6727468	Flexible heating system having high transmissivity A liquid crystal display (LCD) includes an LCD panel providing a surface. A flexible heating system of the invention includes a substantially transparent flexible sheet substrate disposed adjacent the surface of the LCD panel and a substantially transparent resistiv...	04/27/2004
6384731	System for detecting a fire event A fire event detection system includes a programmable logic circuit which evaluates electrical resistance input data and energizes an alarm upon programmed conditions. The system includes a temperature sensitive polymeric tape spanning between a pair of c...	05/07/2002
6326598	Non-intrusive fault location system for an overheat detection system An overheat event location module for use with an existing overheat detection system in an aircraft. The module is non-intrusively connected to the overheat detection system, yet senses currents in the system. The module, by way of the sensed currents is ...	12/04/2001
6198377	Plastic thermistor and thermosensitive device comprising the same A plastic thermistor comprising a polyamide composition which comprises 100 wt. parts of a polyamide and 5.3 to 30 wt. parts of zinc iodide, or a polyamide composition which comprises a polyamide, an iodine-containing compound, and a metal oxide such as z...	03/06/2001
6147931	Towed cable temperature profiler Apparatus for providing a temperature profile of the ocean for a towed so array. A towing cable for the array comprises a central cable and a protective outer jacket. Thermistors are disposed at spaced positions along the outer jacket and connect to cond...	11/14/2000
5922233	Heater and manufacturing method thereof In the case where a heater main body (1) is bent so as to be wound around a subject to be heated such as a water pipe, etc., a heater can stably heats the subject to be heated. A plurality of heating elements (2), which are composed of ceramics as positiv...	07/13/1999
5831511	Resistance temperature detector assembly and method of fabricating same A resistance temperature detector (RTD) unit includes an RTD assembly that is removably supported in a central chamber of a support assembly. In a preferred arrangement, the RTD assembly and the central chamber are arc shaped to facilitate removal from th...	11/03/1998
5367282	Electric motor protector sensor An electric motor protector sensor contains a small thermistor of low thermal inertia contained in a high temperature dielectric covering member in which electrical insulated lead wires are connected to opposite sides of the thermistor and extend out of t...	11/22/1994
5313185	Temperature sensing cable device and method of making same A continuous temperature sensing cable formed of a polymer containing conductive and semi-conductive fillers such as polyethylene with carbon black, powdered metals and metal oxides. The composition is extruded over a pair of elongated substantially paral...	05/17/1994
5294909	Resistive sensor for position detection of manifold failures An elongate resistive sensor useful as an element of a pneumatic manifold failure detecting and locating system. A sensing loop is based on a coaxial cable having a core of known resistance per unit length. A eutectic salt impregnated insulant separates t...	03/15/1994
5248452	Process for manufacturing a voltage non-linear resistor A voltage non-linear resistor element mainly including ZnO, substantially free from internal defects, exhibiting an excellent current impulse withstand capability, can be manufactured by a process wherein an SiC inclusion in the starting ZnO powder is res...	09/28/1993
5193100	Apparatus for detecting gaseous discharge in vacuum furnaces An electrically heated vacuum furnace is provided with special lead-through devices for transmitting current to the heating elements. In order to recognize gas discharges which can occur between a lead-through and a tank wall, the insulation of the lead-t...	03/09/1993
5185594	Temperature sensing cable device and method of making same A continuous temperature sensing cable formed of a polymer containing conductive and semi-conductive fillers such as polyethylene with carbon black, powdered metals and metal oxides controlled within the range of from about eight percent (8%) to about fif...	02/09/1993
5172099	Self monitoring fire detection system Disclosed is a fire detection and engine monitoring system of the type which utilizes a pair of elongated thermistor strands extending over substantially the same path to provide redundancy. A resistance of the two thermistor strands are sensed and a resi...	12/15/1992
4983119	Musical candle actuated by thermistor switch A musical candle includes a longitudinal thermistor strip emedded in a candle juxtapositional and proximate to a wick which thermistor can sensitively actuated when burning or extinguishing the candle for starting or stopping sounding of a musical device ...	01/08/1991
4878039	Apparatus and method for providing a strain-resistant resistance temperature detector A strain-resistant resistance temperature element for a temperature averaging sensor and apparatus for producing same. Highly sensitive thin metal wire, typically of platinum, is attached to both sides of a high temperature, pliable yet stretch/strain res...	10/31/1989
4878226	Multiple point remote temperature sensing A multiple point remote temperature sensing system includes a cable having temperature responsive segments as spaced along the length of the cable and being integral therewith. Each of the temperature responsive segments includes a temperature measuring d...	10/31/1989
4763113	Temperature monitoring method using a fire wire A method for monitoring temperature in an enclosed space, especially a means of transportation such as an aircraft is disclosed. The method uses a wire or cable which has, between an inner conductor and an outer conductor, an element made of a material, t...	08/09/1988
4698614	PTC thermal protector A thermal protector using a polymeric PTC element, with broad upper and lower surfaces, sandwiched between and held in intimate mechanical and electrical contact over substantially its entire broad surfaces with inner broad surfaces of upper and lower pla...	10/06/1987
4540972	Heat sensitive cable A heat sensitive cable operable over a temperature range of between approximately -20° F. and 1650° F. The cable includes a tubular metallic sheath which is substantially temperature resistant and moisture impervious. It also includes a mass of compacte...	09/10/1985
4496930	In-line fire detector of a fire protection and alarm system A fire detector is provided with an electric insulator consisting of short segments of preferably a ceramic pipe disposed end-to-end within the space between an inside cylindrical electrode and cylindrical outside electrode. The inside electrode together ...	01/29/1985
4491822	Heat sensitive cable A heat sensitive cable operable over a temperature range of between approximately -20° F. and 1650° F. The cable includes a tubular metallic sheath which is substantially temperature resistant and moisture impervious. It also includes a mass of compacte...	01/01/1985
4490053	Temperature threshold detector A temperature threshold detector (10) comprises a first electrical conductor (11) and a second electrical conductor (12), which are separated by a spacing structure (13). The first and second electrical conductors (11 and 12) are made of metals that are d...	12/25/1984
4420974	In-situ measurement system A multipurpose in situ underground measurement system comprising a plurality of long electrical resistance elements in the form of rigid reinforcing bars, each having an open loop "hairpin" configuration of shorter length than the other resistance element...	12/20/1983
4382246	Apparatus for measuring temperature The disclosure relates to an apparatus for measuring temperature, comprising a temperature-sensitive sensor (1, 1'), whose electric properties, for example, resistance, vary with the temperature, for example, one thermistor (2, 2', 3 or 3') which is conne...	05/03/1983
4361799	Over-temperature sense and locate device The invention is an over-temperature sensor and locator utilizing a temperature sensitive cable comprising (1) an electrical conductor, (2) a dielectric, and (3) a solid, conductive polymeric, positive temperature coefficient of resistance composition. An...	11/30/1982
4282507	Measurement of temperature This invention relates to devices for measuring temperature; more particularly it relates to temperature sensing devices operating at high temperature. It is an object of this invention to overcome deterioration of temperature sensitive elements and accor...	08/04/1981
4251794	Flexible linear thermal array A flexible cable type of linear thermal array is constructed of a bundle of nsulated conductor pairs enclosed in a braided aramid fiber strength layer through which individual pairs are withdrawn at intended thermistor stations and the end portions thereof...	02/17/1981
4175437	Fire, temperature or heat detector A fire, temperature or heat detection system is disclosed which comprises a cable having at least two conductors separated by insulation whose electrical characteristics vary with temperature, and means connected to the conductors of the cable for detecti...	11/27/1979
4116064	Disposable tape cord thermometer A tape cord thermometer in which a disposable tape acts as the conducting means between a thermometer probe and a reading device....	09/26/1978

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Class 338/26 - Cable or tape type (e.g., fire-detecting cable)