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Patent No. 6205950

Pet Toilet-Like Water Disk and Food Storage

One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."

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Class 250/214B - Ambient light desensitizing means


Subclass of Class 250 - Radiant energy
No. of patents: 173
Last issue date: 03/13/2012


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NumberTitleIssue Date
8134112Method of fabricating an insulated glazing unit having controllable radiation transmittance
An insulated glazing unit has controllable radiation transmittance. Peripheries of first and second glazing panes are attached and spaced apart facing each other and then attached to a supporting structure. A conductive layer is atop the first glazing pane inner sur...
03/13/2012
8035075Dynamic insulated glazing unit with multiple shutters
An insulated glazing unit has controllable radiation transmittance. Peripheries of first and second glazing panes are attached and spaced apart facing each other and then attached to a supporting structure. A conductive layer is atop the first glazing pane inner sur...
10/11/2011
7645977Low cost dynamic insulated glazing unit
An insulated glazing unit has controllable radiation transmittance. Peripheries of first and second glazing panes are attached and spaced apart facing each other and then attached to a supporting structure. A conductive layer is atop the first glazing pane inner sur...
01/12/2010
7385170Ambient light suppression circuit for photodiode receiver applications
An optical receiver circuit that effectively suppresses ambient light. A photodiode receives both desired higher frequency modulated optical signals, as well as the lower frequency or even DC ambient light optical signals. The optical receiver circuit includes a tra...
06/10/2008
7381939Optical cargo detection
A detector for detecting cargo in a container has a controller block, a transmitter for transmitting light into the field of view, a receiver for receiving reflected light, and a threshold comparator for determining whether the received light meets a threshold for c...
06/03/2008
7372571Color sensing apparatus
A colorimeter method and apparatus is described. The colorimeter includes a plurality of sensors/filter systems with non overlapping spectral responses, adequate for providing data capable of translation into standard coordinates system such as, CIE XYZ, CIE L*a*b*,...
05/13/2008
7366427Line driver with variable bandwidth control
A method and apparatus to provide bandwidth control in a high speed line driver circuit is described. ...
04/29/2008
7355161Systems and methods for controlling windows with variable light transmission
Systems and methods for controlling windows with variable light transmission are disclosed. In one embodiment, a system includes a sensor adapted to receive a light intensity, a user input device adapted to receive a user input value, a window having a variable tran...
04/08/2008
7351947System and method for ambient light sensor testing for an information handling system display
An ambient light sensor testing module running on an information handling system verifies that an ambient light sensor managing brightness of an information handling system display is active and responding correctly. The testing module sets the display at first and ...
04/01/2008
7339154Level detector
A level detector includes a light receiving element unit having a plurality of light receiving elements; a first amplifier circuit configured to amplify a light receiving signal; a first gain switching circuit; a first peak hold circuit; an arithmetic control device...
03/04/2008
7305327Wireless meter for real time measurements and method therefor
A wireless metering device for real time measuring of at least one parameter has a probe for measuring the at least one parameter. The probe will wirelessly transmit real time measured values. A meter is wirelessly coupled to the probe. The meter is used for display...
12/04/2007
7288750Light signaling device
Light signalling device, in particular intended to be mounted on board an aircraft, includes a plurality of light elements mounted on a support and surrounded by a translucent cover, said device including a means of reflecting the light emitted by the light elements...
10/30/2007
7286016Amplifier bias circuit, method for biasing an amplifier and integrated circuit comprising an amplifier bias circuit
An amplifier bias circuit connectable to an amplifier device, comprising a first sensor device for sensing a first amplifier characteristic and for providing at a first sensor output a bias signal related to the first amplifier characteristic. The circuit further co...
10/23/2007
7188450Use of within-field-element-size CV for improved nutrient fertilization in crop production
A method for in-season macro and micronutrient application based on predicted yield potential, coefficient of variation, and a nutrient response index. The inventive method includes the steps of: determining a nutrient response index for a field; determining the nor...
03/13/2007
7180047Eye-protection device having dual high voltage switching
An auto darkening eye protection device comprising a shutter assembly and a control circuit. The shutter assembly is adjustable between a clear state and a dark state. The control circuit comprises a sensing circuit, a weld detect circuit, and a delivery circuit. Th...
02/20/2007
7163324Led light stick assembly
A light emitting diode (LED) warning signal light, the warning signal light comprising a plurality of light sources constructed and arranged with a reflector or cullminator, the LED light source being in electrical communication with a controller and a power supply,...
01/16/2007
7161135Multi-stage sensor for an auto-darkening lens for use in welding and method
A multi-stage control for an auto-darkening lens includes a first detector to detect initiation of welding and a second detector to detect continuation of welding after welding has been initiated. The first detector has relatively low sensitivity and fast response t...
01/09/2007
7132766Method and apparatus for providing a switching signal in the presence of noise
A technique for controlling a switching circuit, such as a relay, includes one or more sensing circuits that generate signals based upon the presence of an actuating object and upon a randomly applied strobe signal. The generated signals are sampled and are used as ...
11/07/2006
7064674Replaceable LED modules
A modular warning signal light system comprising at least one support. The at least one support having at least one module receiving port. The module receiving ports constructed and arranged to removably receive the support engagement member of a module. Each module...
06/20/2006
7042368Automated meter reader device having optical sensor with automatic gain control
The present invention achieves technical advantages as an AMR device and method of use having an optical transceiver adapted to read analog meter faces. The transceiver advantageously includes an optical receiver having an amplifier receiving signals from photodiode...
05/09/2006
7042570Porous thin film time-varying reflectivity analysis of samples
A method for analyzing gaseous or liquid samples is provided. Samples are interacted with pores of a porous thin film. A time-varying response of reflectivity is obtained from the surface of the porous thin film during the interaction. One or more analytes forming t...
05/09/2006
7026593Eye-protection device having dual high voltage switching
An auto darkening eye protection device comprising a shutter assembly and a control circuit. The shutter assembly is adjustable between a light state and a dark state. The control circuit comprises a sensing circuit, a weld detect circuit, a positive voltage generat...
04/11/2006
7002480Deposit detector and control device using it
A deposit detector in which deposit on a detection surface has a surface shape effect, and generation of a flashing phenomenon caused by irregular reflection of the light incident on the deposit from the outside is estimated. In a deposit detection mode, light emitt...
02/21/2006
6965470Adaptive control of power transients
Power transient control in an optical network by power measurement and prediction with a simple-to-compute model to drive an optical filter control. ...
11/15/2005
6927385Optical sensor and method of suppressing interference light therefor
An optical sensor includes a light transmitter for transmitting pulsed light signals and a light receiver for receiving them. In order to suppress the effects of interfering noise light, the light signals are transmitted according to a specified pattern including pu...
08/09/2005
6907319System for the application of pesticides
A system for the variable rate application of pesticides is provides, comprising a) a vehicle capable of traversing an agricultural production area; b) at least one sensor for attachment to said vehicle for direct sensing plant and/or condition data on said agricult...
06/14/2005
6841772Eye-protection device having dual high voltage switching
An auto darkening eye protection device comprising a shutter assembly and a control circuit. The shutter assembly is adjustable between a clear state and a dark state. The control circuit comprises a sensing circuit, a weld detect circuit, and a delivery circuit. Th...
01/11/2005
6815652Low power phototransistor-based welding helmet providing reduced sensitivity to low intensity light and sharp phototransistor response to high intensity light
A sensor circuit for detecting the occurrence of welding is disclosed. The sensor circuit uses a phototransistor operative to receive a light input and produce an output representative thereof. A resistor is coupled between the phototransistor's base and emitter to ...
11/09/2004
6580064Background rejection circuit
A background rejection circuit uses the harmonic content of an angularly narrow target to produce a signal. The signal is used to modulate an externally derived audio signal to produce a target indication signal free of background noise....
06/17/2003
6574425Reflectometer
A modulated light source emits light to illuminate a target surface which possesses a certain color and shade of color. Light that is reflected from the target surface is detected by an optical detector. The output from the optical detector is processed a...
06/03/2003
6483090Glare protecting device and method of controlling thereof
A glare protecting device and a method of controlling thereof for protecting a worker's eyes from a light comprising: a temperature detector for generating a temperature detecting signal by detecting ambient temperature; a controller for generating a star...
11/19/2002
6429416Apparatus and method of controlling a gated power supply in an image intensifier with a micro-channel plate
Apparatus for controlling a gated power supply of an image intensifier having a micro-channel plate includes a current-to-voltage converter coupled to the micro-channel plate operable to convert a strobing current on the micro-channel plate to a strobing ...
08/06/2002
6414298Reduced smearing optronic transceiver
In a semiconductor device (1) for the transmission-reception of modulated optical signals having a semiconductor substrate on which are monolithically integrated a transmitter (4) able to transmit a signal formed by a modulated light carried by a first wa...
07/02/2002
6317043Perimeter monitoring system
A perimeter monitoring system is arranged to detect passage across a perimeter of an area. The system primarily includes an emitter, a retroreflector, a detector and an alarm. The emitter provides a modulated visible laser beam. The retroreflector is arra...
11/13/2001
6317200Positional measurement with normalized signal processing
A measurement apparatus (10, 110) and methods to perform positional types of measurement with normalization respective to either or both of light beam (16, 116) intensity and measurement target (12, 112) reflectivity. A light source, such as a laser diode...
11/13/2001
6222177Electrochromic element driver with negative output resistance
An electrochromic element driver has a feedback loop that imparts a negative output resistance wherein the drive voltage across the electrochromic element varies in response to changes in current draw by the electrochromic element. The amount of current d...
04/24/2001
6172353System and method for measuring low power signals
A method and apparatus for measuring very low light signals including integrating a signal from a photo diode, avalanche photo diode, photomultiplier tube or the like, digitally sampling the integrator output more than two times during each integration pe...
01/09/2001
6037580Safety device for cooking appliance
Safety device composed of a radiation emitter, a radiation receiver disposed for receiving radiation which is produced by the emitter and which traverses a radiation path between the emitter and the detector, the detector producing an output signal repres...
03/14/2000
6028516Trigger circuit
A trigger circuit including a light source supplying a first beam of light having a first frequency, a frequency altering device positionable to receive the first beam of light. The frequency altering device receiving the first beam of light and transmitt...
02/22/2000
5990628Light level sensor for detecting the level of incident light and discriminating between natural and artificial light
A light level sensor for use in controlling the switching of artificial lighting. The sensor comprises a photoelectric transducer which provides an output signal at a level which is significant of the illumination level of incident light. An A-D converter...
11/23/1999
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