Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 7669456 | Method and device for determining the rest time and/or for drift compensation in a combustion chamber pressure sensor In a method for determining the reset time in a pressure sensor that detects the pressure in a combustion chamber of an internal combustion engine and emits a corresponding pressure signal, with the pressure curve in the combustion chamber having at least one high-p... | 03/02/2010 |
| 7392687 | Method of calibrating zero offset of a pressure sensor A piezoresistive pressure sensor test sample is first provided, and a zero offset of the piezoresistive pressure sensor test sample is measured. Subsequently, a stress deviation corresponding to the zero offset is calculated. Thereafter, at least a piezoresistive pr... | 07/01/2008 |
| 7351223 | Infusion syringe with integrated pressure transducer A device for measuring fluid pressure in the lumen of a syringe including a pressure transducer integrally mounted in the plunger of the syringe under the plunger tip, such that the force applied by the plunger to the fluid in the syringe is transmitted to the trans... | 04/01/2008 |
| 7291131 | Infusion syringe A syringe configured for communication with a tubular member insertable into the body of a subject includes a pressure transducer integrally mounted in the plunger thereof, under a tip of the plunger, such that the force applied by the plunger to fluid within a barr... | 11/06/2007 |
| 7246515 | Filtration tester A filtration tester has a scale, a collector disposed on the scale, a pump having an outlet aligned with an opening of the collector, and a force sensor connected to the pump. ... | 07/24/2007 |
| 7213439 | Automatic bridge balancing means and method for a capillary bridge viscometer A thermally controlled stage is connected within one arm of a bridge of a capillary bridge viscometer so that the bridge can be balanced in situ to provide accurate measurement signals. The thermally controlled stage includes a tuning capillary tubing portion that i... | 05/08/2007 |
| 7148700 | Normalizing circuit with reduced error voltage A circuit for calibrating a voltage signal that includes a first voltage-to-current converter receiving the signal to be calibrated and a reference voltage and providing a current proportional to the voltage difference between the voltage of the signal to be calibra... | 12/12/2006 |
| 7146843 | Extreme low air pressure deadweight tester The present invention relates to Deadweight Pressure Testers used for the calibration of air pressure transducers. An air pressure transducer, which is to be calibrated, is set in parallel with the deadweight tester. Air is slowly pumped into the cylinder and the pr... | 12/12/2006 |
| 7124017 | Method of operating an internal combustion engine A method of operating an internal combustion engine in which fuel is combusted during a working stroke in at least one combustion chamber includes determining by a pressure sensor a gas pressure acting in the combustion chamber during the working stroke, monitoring ... | 10/17/2006 |
| 7086272 | Calibration method for digital air pressure gauge The digital air pressure gauge includes an error correction lookup table database stored within a memory device within the gauge. The database includes reference air pressure values and associated measured air pressure values, where the reference air pressure values... | 08/08/2006 |
| 7082830 | Physical quantity sensor capable of outputting time-serial signal indicative of plural ranges of physical quantity A physical quantity sensor detecting physical quantity, such as acceleration or angular velocity, is provided and mounted on, for example, a vehicle. The sensor has a physical quantity transducer and the first to third circuits. The transducer senses physical quanti... | 08/01/2006 |
| 6964187 | Vacuum sensor An apparatus and method for measuring the vapor or gas content of a vacuum chamber (1) by a vapor sensor (21) located in the fore-line of a vacuum system is provide. The gas or vapor content is determined by first providing a zero condition for the sen... | 11/15/2005 |
| 6877356 | Method for testing containers, use of the method, and a testing device A method and device for testing containers, the method calling for a difference in pressure to be generated between the pressure inside the container and the pressure immediately surrounding the container, the behavior of one of these pressures permitting the gas ti... | 04/12/2005 |
| 6865924 | Drift detection method for a control apparatus controlling an injection molding machine In a drift detection method for detecting drift in a pressure detection value output from a pressure detector, pressure is detected by the pressure detector at a preset detection point in a pressure-uncontrolled region in an arbitrary molding cycle. The detected pre... | 03/15/2005 |
| 6662634 | Method for testing containers, use of the method, and a testing device A method and device for testing containers, the method calling for a difference in pressure to be generated between the pressure inside the container and the pressure immediately surrounding the container, the behavior of one of these pressures permitting... | 12/16/2003 |
| 6644092 | Automatic calibration of pressure sensors for paint booth airflow control A paint booth airflow control system is described for preventing paint particles and other contaminates from entering adjacent paint booth sections by equalizing air pressure differences between adjacent sections. Pressure sensors in communication with ad... | 11/11/2003 |
| 6571599 | Auto-calibration of pressure transducer offset A flow generator having use in the provision of CPAP or assisted ventilation treatment is disclosed The flow generator has a turbine for the supply of breathable gas which is driven by an electric motor and an associated motor power supply. The power supp... | 06/03/2003 |
| 6514442 | Method and apparatus for adjusting zero point of a pressure sensor of an injection apparatus A method and apparatus for adjusting a zero point of a pressure sensor of an injection apparatus, which method and apparatus enable precise zero-point adjustment for the pressure sensor. Pressure of resin is detected by use of the pressure sensor, while a... | 02/04/2003 |
| 6237394 | Apparatus and method for correcting drift in a sensor A method of correcting drift in a sensor includes the step of identifying a calibration command. A nominal zero pressure sensor drift correction factor for the sensor is identified by relying upon a calibration voltage value and a calibration temperature ... | 05/29/2001 |
| 5905209 | Output circuit for pressure sensor A circuit is provided for scanning and outputting a pressure sensor having at least one sensor point which sensor point is formed at each intersection of at least one first electrode and at least one second electrode, there being a pressure sensitive resi... | 05/18/1999 |
| 5902925 | System and method for high accuracy calibration of a sensor for offset and sensitivity variation with temperature A digital compensation circuit for calibrating a sensor is described. The compensator circuit includes a serial communication circuit for receiving data relating to a plurality of parameters and a compensation circuit coupled to serial communication circu... | 05/11/1999 |
| 5515711 | Pressure measurement and calibration apparatus using gravity-induced diaphragm deflection A pressure measurement and calibration apparatus for accurately detecting fluid pressures in the range of between approximately 0 and 1000 millitorr, and more particularly in the range of between 0 and 10 millitorr, and a method for calibrating an externa... | 05/14/1996 |
| 5460183 | Switchable filter for rezeroing an in vivo pressure sensor A filter for rezeroing an in-vivo pressure sensor is disclosed. The filter operates in a signal mode and a rezero mode. In the signal mode, the filter is a low pass filter which filters out noise. In the rezero mode, the filter is a low pass filter which ... | 10/24/1995 |
| 5457631 | Method and apparatus for correcting the zero pressure value of a hydraulic power steering pressure sensor A method and apparatus for correcting the zero pressure value of a hydraulic power steering pressure sensor. A power steering pressure PK is detected through pressure sensors 9 and 10 of a power steering cylinder 1 after an engine 14 stops running. The nu... | 10/10/1995 |
| 5406828 | Method and apparatus for pressure and level transmission and sensing This invention provides a method and apparatus for transmitting and sensing liquid pressure (head) and liquid level (depth) in flow metering, tide gauge and liquid salinity or slurry density measurement applications. The invention essentially eliminates t... | 04/18/1995 |
| 5402666 | Method and apparatus for precise measurement of differential pressures A method and apparatus for precise measurement of low differential pressures existing between known high reference pressures and high test pressures. One or more scanner modules are used, each module enabling a reference pressure to be applied to a set of... | 04/04/1995 |
| 5365768 | Sensor A signal processor (5) is coupled to a detector (6) for detecting a physical quantity. The signal processor has a zero adjustment memory (14) and a sensitivity adjustment memory (16). The zero adjustment memory and the sensitivity adjustment memory have a... | 11/22/1994 |
| 5203340 | Apparatus for rezeroing an in vivo pressure sensor and method for rezeroing A sensor assembly for an in vivo physiological pressure measurement has a member with a distal end to ease placement of the catheter sensor assembly in vivo. A passage is preferably in an intermediate part of the member and is open but covered by a pressu... | 04/20/1993 |
| 5179856 | Pressure gauge Disclosed is a pressure gauge which is mainly composed of two parts, a pressure sensing element and an electronic processing and displaying unit. The pressure sensing element includes an elastic member and a variable resistor whose resistance value can be... | 01/19/1993 |
| 5133358 | Apparatus for rezeroing an in vivo pressure sensor and method for rezeroing A sensor assembly for an in vivo physiological pressure measurement has a member with a distal end to ease placement of the catheter sensor assembly in vivo. A passage is preferably in an intermediate part of the member and is open but covered by a pressu... | 07/28/1992 |
| 5119759 | Apparatus for solder nozzle height sensing The method and apparatus of the present invention permit the accurate sensing of the height of a solder nozzle above a circuit board during operation of the solder nozzle. A non-contact limit switch, which provides an indication of the presence of a plana... | 06/09/1992 |
| 5063936 | Internal pressure measuring device using catheter with multiple lumens Pressure measuring lumen allows a coarse pressure value of a subject to be read. A liquid filled lumen is allowed to pressure communicate with an atmosphere adjacent to a patient, through the use of a membrane and an atomosphere-opening lumen. A liquid pr... | 11/12/1991 |
| 5050423 | Multi-variable sensor calibration In a calibration circuit for calibration of the output of a differential sensor, signals adjustable in gain for calibration are summed with potentiometrically derived signals for offset calibration to provide a single ended output. Additionally, a signal ... | 09/24/1991 |
| 5006835 | Remote calibrating for pressure transducer A pressure transducer having a first pair leads for receiving an excitation voltage and a second pair of leads between which it can supply a voltage corresponding to a pressure applied to it is provided with means for placing at least one electrical load ... | 04/09/1991 |
| 4969358 | Electronic altimeter/barometer A combined altimeter/barometer instrument is provided with setting means which can be actuated in two different modes, i.e., in a pressure level setting mode so as to set the instrument to a known sea-level pressure, or in an altitude setting mode to a kn... | 11/13/1990 |
| 4926674 | Self-zeroing pressure signal generator A self-zeroing differential pressure signal generator. A strain gauge separates two areas of potentially differing fluid pressure and generates an electrical signal which varies as the fluid pressure difference varies. The strain gauge electrical signal i... | 05/22/1990 |
| 4901735 | Pressure meter catheter with in-situ zero setting In a pressure meter catheter which carries a pressure sensor in its measuring tip a reference pressure is admitted to effect zero setting in accordance with the invention while the instrument is in situ during a measurement, the reference pressure permitt... | 02/20/1990 |
| 4815313 | Syringe pressure calibration reference A compact, inexpensive, and lightweight pressure calibrator and a method for calibrating pressure monitoring devices. The pressure calibrator (10) comprises a plunger (14) sized to slide snugly within a hypodermic syringe barrel (12). Included within the ... | 03/28/1989 |
| 4817022 | Method and apparatus for automatic offset compensation in parameter-sensing transducer systems Methods and apparatus by which a transducer is employed to create a digital signal representing numerically the value of a changeable physical parameter. The signal from the transducer is subject to large and unpredictable amounts of offset due to either ... | 03/28/1989 |
| 4776201 | Method and apparatus for calibrating a differential pressure transducer A low range differential pressure transducer is connected in a closed fluid system which also contains a U-tube filled with oil in its upper portion and mercury in its lower portion. Under conditions of high line pressure similar quantities of oil are dis... | 10/11/1988 |
