| Patent Number |
Title Of Patent |
Date Issued |
| RE36706 |
Microstructure design for high IR sensitivity |
May 23, 2000 |
| A microstructure design for high IR sensitivity having a two level infrared bolometer microstructure, the lower level having a reflective metal film surface such as Pt, Au, or Al to reflect IR penetrating to that level, the upper level being separated from the lower level by an air gap o |
| RE36615 |
Use of vanadium oxide in microbolometer sensors |
March 14, 2000 |
| In a microbolometer infrared radiation sensor, a detector material (VO.sub.2) having a high thermal coefficient of resistance to increase the sensitivity of the apparatus. |
| RE36514 |
Pole mounted revolving air circulating fan |
January 18, 2000 |
| Disclosed is a new pole mounted revolving air circulating fan for inducing air movement within an air mass by use of a rotating impeller which simultaneously revolves around a vertical axis. The pole mounted revolving air circulating fan comprises a telescoping support pole extending |
| RE36136 |
Thermal sensor |
March 9, 1999 |
| A two-level IR detector imaging array of high fill-factor design. The upper microbridge detector level is spaced above and overlie the integrated circuit and bus lines on the substrate surface below. |
| RE35566 |
Sensor platform for use in machines for washing articles |
July 22, 1997 |
| A plurality of fluid condition sensors are combined together to provide a sensor cluster that senses turbidity, temperature, conductivity and the movement of a ferromagnetic object. The plurality of sensors are attached to a substrate and encapsulated, by an overmolding process, with a l |
| RE35296 |
Full and partial cycle counting apparatus and method |
July 16, 1996 |
| Apparatus for determining the number of cycles occurring in a frequency modulated signal during a sample period, including not only the number of full cycles but any portion of a cycle, by determining the number of whole cycles and adding to this a value obtained by counting the number o |
| RE35023 |
Fiber optic gyro with a source at a first wavelength and a fiber optic loop designed for single |
August 22, 1995 |
| A low cost fiber optic gyro includes a Sagnac interferometer configured in a minimum reciprocal configuration and modified to use a 0.8 micron wavelength laser diode as the interferometer light source and 1.3 micron, single-mode fiber for the sensing coil. |
| RE32960 |
Electronic thermostat |
June 20, 1989 |
| A thermostat for generating control signals for a furnace, air conditioner, or the like, employs a constant frequency, periodically alternating electrical source and an oscillator incorporating an element having a thermal-sensitive electrical characteristic so the oscillator frequency |
| RE32886 |
Digital auto focus |
March 14, 1989 |
| A digital auto focus system includes first and second detector arrays which receive first and second detection images of an object. The detection images are displaced by a number n of detectors depending upon the distance between the object and the detector arrays. The output signals of |
| RE31973 |
Fluidic flow sensing and control apparatus |
August 20, 1985 |
| In a system to control a condition of air in a duct, there is disclosed a first nozzle for issuing a jet fluid, a second nozzle for receiving a portion of said fluid depending upon the condition of the air in the duct, and a circuit arrangement for controlling a damper in the duct depend |
| RE31551 |
Digital delay generator |
April 10, 1984 |
| Circuitry for generating a virtually jitter free delay relative to a start pulse and for generating such delays over both integer and non-integer multiples of the time interval between timing pulses. The circuitry includes delay circuitry and signal generating circuitry. The delay ci |
| RE31255 |
Light emitting and light detecting semiconductor device for interfacing with an optical fiber |
May 24, 1983 |
| A light emitting and light detecting semiconductor device having a light emitting zone and a light detecting zone adaptable for concurrently interfacing with an optical fiber. |
| RE31145 |
Interruptable signal generator |
February 8, 1983 |
| A circuit comprising a signal generating circuit and an interrupt enable circuit. The signal generating circuit has an input connected to receive a trigger signal and an output for generating an output signal which includes a timing cycle of known duration. The signal generating circuit |
| RE30448 |
Tape recorder system |
December 16, 1980 |
| A high performance magnetic tape transport and tape cartridge. The cartridge includes coplanar hubs carrying tape rolls on fixed axes, a brake system which urges each hub in a direction to tension the tape when the cartridge is removed from the transport, and a pair of doors which co |
| RE30166 |
Heterodyne readout holographic memory |
December 11, 1979 |
| A holographic optical memory utilizes an optical heterodyne technique to significantly increase the signal-to-noise ratio during the readout stage of operation. A light source provides a coherent light beam which is split into a readout beam and a local oscillator beam. The readout beam |
| RE29599 |
Control circuit for photographic apparatus |
March 28, 1978 |
| An automatic photographic camera, which features automatic focusing, automatic exposure control, automatic flash operation and automatic film advance and shutter cocking, includes an electronic control circuit. The electronic control circuit includes a binary logic circuit which is r |
| RE29475 |
Battery charging circuit responsive to generator output voltage and current |
November 15, 1977 |
| .Iadd.A voltage regulator for a vechicular generator having a field winding and a transistor in series therewith. The transistor is controlled by an oscillatory type, two transistor circuit with regenerative feedback which is responsive to the voltage and current output of the generator. |
| RE28847 |
Inside helmet sight display apparatus |
June 8, 1976 |
| Helmet mounted display apparatus in which a reflective inside surface of a partially transparent visor is used as the primary optical element. A paraboloidal inside visor surface coated with a metallic film may be used. A light source image or a virtual image is positioned at the focal p |
| RE28676 |
Control apparatus |
January 13, 1976 |
| .Iadd.A thermostat for controlling heating apparatus is converted to a thermostat for controlling heating and cooling apparatus by the addition of a subbase. The heating thermostat has a double switch attached to a bimetal and a heating anticipation heater whereby heating apparatus is |
| D475772 |
Humidifier |
June 10, 2003 |
|
| D433730 |
Valve body |
November 14, 2000 |
|
| D431290 |
Ceiling fan |
September 26, 2000 |
|
| D430647 |
Valve body |
September 5, 2000 |
|
| D428979 |
Humidifier |
August 1, 2000 |
|
| D426629 |
Ceiling fan |
June 13, 2000 |
|
| D426295 |
Combined ceiling fan and light kit |
June 6, 2000 |
|
| D425979 |
Window fan |
May 30, 2000 |
|
| D425483 |
Interconnection device |
May 23, 2000 |
|
| D425191 |
Ceiling fan |
May 16, 2000 |
|
| D424683 |
Portable electric fan |
May 9, 2000 |
|
| D424681 |
Portable stand fan |
May 9, 2000 |
|
| D424679 |
Combined ceiling fan and light fixture |
May 9, 2000 |
|
| D424675 |
Vaporizer |
May 9, 2000 |
|
| D423659 |
Air cleaner |
April 25, 2000 |
|
| D423092 |
Ceiling fan |
April 18, 2000 |
|
| D423090 |
Portable electric heater |
April 18, 2000 |
|
| D422677 |
Water treatment container |
April 11, 2000 |
|
| D422073 |
Portable electric fan |
March 28, 2000 |
|
| D422070 |
Air cleaner |
March 28, 2000 |
|
| D421574 |
Temperature housing and baseplate |
March 14, 2000 |
|
| D421114 |
Portable fan |
February 22, 2000 |
|
| D420298 |
Pressure sensor housing |
February 8, 2000 |
|
| D418912 |
Ceiling fan |
January 11, 2000 |
|
| D418911 |
Portable electric heater |
January 11, 2000 |
|
| D418591 |
Portable electric heater |
January 4, 2000 |
|
| D418217 |
Combined ceiling fan and light kit |
December 28, 1999 |
|
| D416994 |
Water distribution tray for an in-duct humidifier |
November 23, 1999 |
|
| D416616 |
Combined ceiling fan and light fixture |
November 16, 1999 |
|
| D416614 |
Console air cleaner |
November 16, 1999 |
|
| D416613 |
Air cleaner |
November 16, 1999 |
|
