U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 361/282 - Thermal


Subclass of Class 361 - Electricity: electrical systems and devices
Definition: Subject matter in which the external condition is a thermic
No. of patents: 41
Last issue date: 07/05/2011


1    
NumberTitleIssue Date
7974070Multilayer ceramic device and mounting structure therefor
An NTC capacitor comprises a capacitor body having a plurality of insulator layers laminated therein, first to third inner electrodes arranged within the capacitor body, and first to third terminal electrodes arranged on outer surfaces of the capacitor body. The fir...
07/05/2011
7277267Multi-layer capacitive transducer
A capacitive transducer of multi-layer construction includes two rotor plates supported by flexible springs, the plates being spaced apart and rigidly connected by a stem. One rotor plate my be used as either a pickup electrode or a grounded target electrode for det...
10/02/2007
7203052Method of fabricating MEMS tunable capacitor with wide tuning range
A MEMS tunable capacitor and method of fabricating the same, includes a plurality of fixed charge plates on a substrate, the plurality of fixed charge plates having a same height, being arranged in a shape of comb-teeth and being electrically connected to one anothe...
04/10/2007
7134785Capacitance temperature sensor and temperature measuring device
A capacitance temperature sensor in which temperature is measured by detecting capacitance of a parallel plate condenser which comprises a dielectric material comprising strontium titanate single crystal in which (a) 30% by weight or less of oxygen-16 or (b) ...
11/14/2006
7085121Variable capacitance membrane actuator for wide band tuning of microstrip resonators and filters
A device for varying the capacitance of an electronic circuit is disclosed. The device comprises a flexible membrane located above the electronic circuit, a metal layer connected to the flexible membrane, and bias circuitry located above the membrane. Variation of t...
08/01/2006
7055341High efficiency cooling system and heat absorbing unit
The cooling system allows the liquid coolant discharged from the pump to flow into the evaporation chamber. The liquid coolant passes through the atomizer. Minute droplets of the atomized coolant is discharged from the atomizer into the evaporation chamber. The minu...
06/06/2006
7042699Vacuum variable capacitor
A vacuum variable capacitor is includes of a vacuum container which is formed by sealing both end of a cylindrical insulator with a fixed-side end plate and a movable-side end plate, a movable conductive member which is disposed opposite to the fixed-side end plate ...
05/09/2006
7042698MEMS tunable capacitor with a wide tuning range and method of fabricating the same
A MEMS tunable capacitor and method of fabricating the same, includes a plurality of fixed charge plates on a substrate, the plurality of fixed charge plates having a same height, being arranged in a shape of comb-teeth and being electrically connected to one anothe...
05/09/2006
7030463Tuneable electromagnetic bandgap structures based on high resistivity silicon substrates
Electrically tunable electromagnetic bandgap (“TEBG”) structures using a ferroelectric thin film on a semiconductor substrate, tunable devices that include such a TEBG structure, such as a monolithic microwave integrated circuit (“MMIC”), and a method produc...
04/18/2006
7031137Variable micro-capacitor with a high ratio and a low operating voltage
A MEMS micro-capacitor having a variable capacity is disclosed. The MEMS micro-capacitor has at least one fixed electrode (3) positioned on one surface of a substrate (1); bending means with respect to the surface of the substrate including at least on...
04/18/2006
6975499Vacuum variable capacitor with energization and heat shielding bellows
A vacuum variable capacitor includes an energization bellows arranged in a vacuum vessel and having ends mounted to a movable-electrode support plate and a movable side-end plate, respectively, a heat shielding bellows arranged inside the energization bellows and ou...
12/13/2005
6926479Router plunge depth adjustment mechanism
The present invention is directed to a mechanism and method for providing base end plunge router depth adjustment, such as when a router is utilized with a router table. The apparatus and method of the present invention permits accurate and efficient depth adjustmen...
08/09/2005
6714400Link for watch bracelet
The invention concerns a particular link structure (1) for a wristwatch including decorative elements made of hard materials such as ceramics. The sintering step carried out during manufacturing of these decorative elements increase the maximum uncertainties ...
03/30/2004
6625004Electrostatic actuators with intrinsic stress gradient
An electrostatic actuator with an intrinsic stress gradient is provided. The electrostatic actuator comprises an electrode and an electrostatically actuated beam fixed at one end relative to the electrode. The electrostatically actuated beam further inclu...
09/23/2003
6433375Tunable microwave devices
An electrically tunable device, particularly for microwaves, includes a carrier substrate, conductors, and at least one tunable ferroelectric layer. Between the conductors and the tunable ferroelectric layer, a buffer layer including a thin film structure...
08/13/2002
6268995Double-bellows vacuum variable capacitor
A vacuum variable capacitor includes a vacuum bellows for allowing a pressure differential between two volumes inside the capacitor, wherein one of the volumes may be a vacuum volume. The vacuum variable capacitor further includes a conductive bellows dis...
07/31/2001
6215644High frequency tunable capacitors
A tunable capacitor having low loss and a corresponding high Q is provided. The tunable capacitor includes first and second substrates having first and second capacitor plates disposed, respectively, thereon. The capacitor plates may include a high temper...
04/10/2001
5788376Temperature sensor
A temperature sensor apparatus comprising: a capacitor with first and second conductors and a dielectric material between the conductors; a frequency generator coupled to the capacitor and providing an excitation signal thereto; a processor coupled to the...
08/04/1998
5635812Thermal sensing polymeric capacitor
A thermal sensing polymeric device (110) such as a capacitor is fabricated from a layer of a copolymeric material (112) including polyvinylidene fluoride and a fluorinated ethylene. The fluorinated ethylene may be selected from the group including trifluo...
06/03/1997
5574620Electrical component resistant to damage by infrared radiation
In an electrical component that contains materials that can physically and/or chemically change under the influence of heat (infrared) radiation required during processing of the component and which in particular, is suitable for employment on printed cir...
11/12/1996
5483414Electrical impedance detector for measurement of physical quantities, in particular of temperature
Electrical impedance detector for measurement of physical quantities, in particular of temperature. The detector comprises electrodes (11,14), between which the electrical impedance (C;R) that represents the physical quantity to be measured is measured. B...
01/09/1996
5407276Diamond temperature and radiation sensor
A temperature sensor comprises a body of insulating diamond material and a pair of spaced apart electrical contacts applied to the body. The body has a predetermined thickness between the contacts, and the contacts have a predetermined area, so that the s...
04/18/1995
5359491Capacitive sensor comprising a conductive front surface for forming a capacitor plate, and a coaxial cable shielded by a mineral insulator
The capacitive sensor comprises a sensor body which includes a housing, a conductive front surface and insulation means provided between the conductive surface and the housing; it also comprises a coaxial cable of the type shielded by a mineral insulator ...
10/25/1994
5349831Apparatus for cooling heat generating members
An apparatus for cooling heat generating members such as semiconductor devices on a multichip module. A discharge device discharges cooling liquid for contacting the heat generating members and cooling them. A mixing device mixes the now high temperature ...
09/27/1994
4920450Temperature dependent capacitor
A temperature dependent capacitor formed from thermostatic bi-metallic strips is used to compensate the resonant frequency of a microstrip patch antenna array structure for dielectric constant thermal effects....
04/24/1990
4883366Temperature sensor
A temperature sensor includes a capacitor having electrodes between which a dielectric body having its dielectric constant variable depending on the variations of ambient temperature is interposed, and a CR oscillating circuit utilizing the capacitor. The...
11/28/1989
4710550Method of using a dielectric probe to monitor the characteristics of a medium
A dielectric probe for use with conventional frequency and time domain impedance analyzers comprises two chemically resistant electrodes deposited in an interdigitated pectinate configuration on particular non-conductive substrates, the spaces between the...
12/01/1987
4639697Temperature compensation circuitry
A surface acoustic wave (SAW) device provides a phase shift and a first predetermined phase shift variation as a function of temperature. A passive network including a passive, reactive component is thermally and electrically coupled to the SAW device. An...
01/27/1987
4545254Materials and methods for pressure and temperature sensors at cryogenic temperatures
Capacitive pressure and temperature sensing devices for use at cryogenic temperatures are provided utilizing a quantum ferroelectric pyrochlore ceramic material as the dielectric. The ceramic material has the formula: where M is Pb, Ca, Sr, Ba, or mixtures the...
10/08/1985
4419310SrTiO3 barrier layer capacitor
Formulations for a variety of air sintered ceramic barrier layer capacitors are provided wherein from 0.3 to 1.7 mole % of donor material is added to a strontium titanate and the relative amounts of strontium and titanium have been adjusted so that large-...
12/06/1983
4405080Electronic temperature control from a mechanical temperature responsive means
By means of a moveable insulating member that has two electrically conductive areas that are separated by a nonconductive area it is possible to build a mechanically controlled electronic thermostat. The temperature sensing is accomplished by a temperatur...
09/20/1983
4361799Over-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
4348611Ferroelectric or pyroelectric sensor utilizing a sodium nitrite layer
A pyroelectric or ferroelectric sensing element consists of a substrate with a thin layer of sodium nitrite. Electrodes may be applied to both sides of the sodium nitrite layer, or, alternatively, only one electrode may be used. In one embodiment, an arra...
09/07/1982
4322775Capacitive pressure sensor
The disclosure relates to a capacitive pressure transducers which includes a flexible diaphragm. The flexibility of the diaphragm varies with temperature and thus different capacitance values result from the same pressures at different temperatures. To co...
03/30/1982
4279155Bourdon tube transducer
A bourdon tube transducer has included a bourdon tube with a conductive plate electrically separated from the bourdon tube and in parallel with the bourdon tube. As the pressure varies, so does the electrical reactance between the bourdon tube and the con...
07/21/1981
4213797Radiant energy to electric energy converter
Radiant energy is converted into electric energy by irradiating a capacitor including an ionic dielectric. The dielectric is a sintered crystal superionic conductor, e.g., lanthanum trifluoride, lanthanum trichloride, or silver bromide, so that a multipli...
07/22/1980
4195326Predetermined temperature coefficient capacitor
A screen printed capacitor to provide a predetermined temperature coefficient of capacitance. The capacitance device utilizes a common electrode with a uniform dielectric layer in conjunction with two side-by-side base electrodes resulting in opposite pol...
03/25/1980
4164147Temperature sensing apparatus
A temperature sensor particularly adapted for use with digital displays or controls comprises an oscillator circuit coupled to a capacitor formed of ferroelectric material in order to provide a linear relation of frequency with temperature. Both chip and ...
08/14/1979
4109456Ceramic capacitor
A ceramic capacitor operatively connected to a piezoelectric oscillator for compensating for the temperature dependence of the oscillator frequency is provided for thereby optimizing the accuracy of an electronic timepiece....
08/29/1978
4084101Apparatus for converting radiant energy to electric energy
Radiant energy is converted into electric energy by irradiating a capacitor including an ionic dielectric having a dipole layer only on or near its surface. The dielectric is selected from the group consisting of the rare earth trifluorides and trichlorid...
04/11/1978
1    
 
Sign InRegister
Username  
Password   
forgot password?