Class 73/386 - Aneroid

Subclass of Class 73 - Measuring and testing
Definition: Barometers in which the pressure responsive element is in
No. of patents: 36
Last issue date: 09/16/2008

Number	Title	Issue Date
7424825	Barometric altimeter including a temperature compensation device The present invention proposes a portable barometric altimeter (10) including a pressure sensor (14), a calculation unit (16) which determines an altitude value (H) as a function of the pressure (P) measured by the sensor (14) and as a fu...	09/16/2008
7334939	Method and device for verifying a temperature value at a destination altitude of an aircraft The device comprises a means for measuring a dynamic temperature on the outside of the aircraft, a means for determining a static temperature around the aircraft, using said dynamic temperature, a means for determining, using said static temperature and a thermodyna...	02/26/2008
7272976	Pressure sensor A pressure gauge includes a diaphragm having a substantially rigid outer portion and a displaceable inner portion that displaces in response to a pressure difference between first and second sides of the diaphragm. The pressure gauge further includes a sensor locate...	09/25/2007
7158912	Mobile GPS systems for providing location mapping and/or performance data A location measurement system comprises: a GPS receiver for attachment to a person and for determining earth location of the person; a display for attachment to the person; memory for storing map data; a processor configured to process earth location and the map dat...	01/02/2007
7092846	Systems and methods for determining performance data The invention determines performance data during activity of a person. A microprocessor and a sensor, such as a GPS sensor, attach to the person or to a vehicle ridden by the person. The sensor and microprocessor may integrate in clothing or in a watch worn by the p...	08/15/2006
7061387	Measurement instrument, especially for level or pressure measurement with speech assistance The invention relates to a measurement instrument, especially for level and pressure measurement with a controller (9), which is connected to a memory unit (8), an input unit (11), and also an output unit (12). Here, the output unit (1...	06/13/2006
7009386	Non-contact position sensor utilizing multiple sensor elements A non-contact position sensor including a plurality of sensor elements configured in an array. Each of the sensor elements is configured to provide an output associated with each of a plurality of positions of a sensor control element relative to the position sensor...	03/07/2006
6928869	Stick for measuring the level of a molten metal bath A measurement rod for measuring the level of a liquid bath is cooled but is provided with a solid end piece so that the bath cannot solidify in front of the orifice of the measurement gas injected in the bath, for which the pressure is being measured. ...	08/16/2005
6919850	Body worn antenna An antenna array (200) having a number of patch antennas (202, 204, 206, 208) forming a circumferential radius is provided. The antenna array (200) is integrated within a body worn device (500) such as a belt, coat, or harness (210...	07/19/2005
6907795	Seat position sensor A seat position sensor including a generally u-shaped housing and a cover disposed on the housing for blocking entry contaminants into a shunt opening of the housing. A sensor including mounting wings that flex upon mounting is also provided, as is a sensor includin...	06/21/2005
6430479	Methods, apparatus and computer program products for determining the vertical speed of an aircraft A method, an apparatus and a computer program product are provided for accurately determining the vertical speed of an aircraft in a manner independent of signals provided by an air data computer, an inertial reference system and an inertial navigation sy...	08/06/2002
5638059	Audible altimeter for parachutists The invention relates to an audible altimeter for use by parachutists. The altimeter comprises a sensor means 6 for sensing ambient air pressure, an electronic processor 5, a sounder device 4 and control buttons 2,3. The electronic processor 5 is programm...	06/10/1997
5532698	Transponder squawk calibration An altimeter system for aircraft employs an aneroid, dash mounted altimeter having a needle coupled to an encoder. The encoder provides a signal indicating that the needle points to a certain altitude. A solid state transducer senses outside pressure and ...	07/02/1996
5423215	Self-contained heads-up visual altimeter for skydiving A compact altitude and rate of descent instrument is combined with a visual indication device and attached directly as a self-contained unit to protective eye wear or headgear for the determination of critical altitudes while engaged in freefall skydiving...	06/13/1995
4953404	Mechanism for an aneroid barometer Mechanism for an aneroid barometer comprising, in a support 2, a primary lever 4 whose center is in contact with the cell 3, the axis of rotation 40 of this primary lever being located at the periphery of the support, an endless screw 5 equipped with a he...	09/04/1990
4938062	Barometric meter A barometric meter such as barometer or a barometric altimeter comprises a vacuum chamber having a movable portion which displaces in proportion to air pressure. An aperture plate for allowing a light beam to pass therethrough is mounted to the movable po...	07/03/1990
4694694	Solid state accumulating altimeter An altimeter device employs a solid state pressure sensor having a strain-sensitive element directly in a silicon diaphragm, which is connected at one side to a closed vacuum chamber. The entire device is very compact and may be in the form of a wristwatc...	09/22/1987
4674106	Mechanical counter having a digital display Each drum (5,6,28) of the counter is carried by a shaft (16,26,35) pivoted on the frame (1,2,3,4,11,12) by a bearing (18,19,27,36) which is autolubricating. Each bearing comprises a cylindrical part (52) in synthetic resin presenting a cylindrical median ...	06/16/1987
4667514	Parameter sensors and monitors Parameter sensors and monitors are described incorporating one of a variety of parameter responsive structures constructed and arranged for expansion and contraction causing a component of motion and displacement along at least one direction in response t...	05/26/1987
4665747	Flight instrument using light interference for pressure sensing Aircraft instrument for indicating air pressure, air pressure rate of change and accelerations of the aircraft movement based on the use of an optical laser interferometer. The air pressure is connected to one of several mirrors in the interferometer whic...	05/19/1987
4543824	Barometer A barometer which includes a vacuum housing, a pivotably supported pointer shaft, a return spring for the pointer shaft and a transmission mechanism, which exhibits a pivotably supported output shaft, which runs perpendicular to the surface of the vacuum ...	10/01/1985
4480479	Tonometer A tonometer having a construction whereby thermal expansion or contraction of the material forming the tonometer casing will have substantially no influence upon the precision of measurement of the instrument. The tonometer comprises a casing, a bellows m...	11/06/1984
4361048	Pointer instrument movement A pointer instrument movement is disclosed including a chassis of integrally moulded plastic, a pointer shaft rotatably mounted on the chassis, a lifting member, a measured value pickup which converts changes of the measured quantity to a mechanical defle...	11/30/1982
4327585	Refractometer A terrestrial refractometer comprises a gastight enclosure containing a fixed mass of a gas which at least approximates to an ideal gas, at least a part of the enclosure being movable in response to changes in the volume of the gas in accordance with chan...	05/04/1982
4327583	Weather forecasting device A weather forecasting device comprises a pair of contacts disposed a predetermined distance apart from each other and a switch plate disposed between the contacts. The switch plate is movable between the contacts in response to changes in atmospheric pres...	05/04/1982
4255970	Barometer mechanism An improved barometer mechanism is described having a simplified mechanical structure with a high degree of sensitivity. The barometer bellows is partially evacuated of air to a pressure about 10 kilopascals below normal atmospheric pressure and connected...	03/17/1981
4253335	Barometric altimeter The altitude of an aircraft is determined by measuring the output of a pressure transducer on the aircraft because the altitude is defined by the atmospheric pressure at that point. In this altitude measurement, the relationship between the altitude and t...	03/03/1981
4245508	Pressure indicator This invention relates to pressure indicators, and more particularly to an improved pressure indicator whose use is especially advantageous in sensitive pressure altimeters in which high resolution and low friction are important....	01/20/1981
4238958	Barometer A barometer of the type having a stabilized membrane capsule includes a transmission mechanism for transmitting the motion of the membrane capsule to a pointer mechanism. The transmission comprises a lever shaft with two lever arms thereon, one coupled to...	12/16/1980
4154110	Housing assembly for barometer or other instrument having a settable index A barometer having an index on the crystal. The crystal is freely rotatable for setting the index. The barometer case has spring fingers preventing the crystal from being removed therefrom unless the fingers are disengaged by means of a suitable tool....	05/15/1979
4117724	Ambient pressure sensor An ambient pressure sensor generates an electrical signal which varies in response to changes in ambient pressure level. The sensor includes a sealed bellows or aneroid which varies in length as the ambient pressure varies. A fluid motor including a pisto...	10/03/1978
4106342	Pressure measuring apparatus There is provided a pressure measuring apparatus, useful as a barometer, comprising a first variable volume vessel containing a gas, said first vessel being extendable and retractable between a first end and a second end thereof, the pressure to be measur...	08/15/1978
4054058	Device for indicating direction of barometric pressure trends Direction of barometric pressure trend is portrayed by my invention. Changes in barometric pressure are amplified by a linkage member and converted into a signal by trend means to discern an increase or decrease in trend. Motor means receives the signal f...	10/18/1977
4052597	Constant torque multiple drum counter An auxiliary force-applying mechanism is connected to a counter type altimeter for applying a supplemental force to rotate its counter mechanism at the time a Geneva type mechanism advances a second drum by one indicator position. The force applied to the...	10/04/1977
4000652	Method and device for measuring the correction factor Two embodiments of a device and method are disclosed for providing a correction factor for the velocity of electromagnetic radiation in air. The devices include a pressure-responsive vessel having a predetermined quantity of gas enclosed therein and means...	01/04/1977
3977250	Encoding altimeter An encoding altimeter incorporating a feedback loop for providing visual output to a pilot of instantaneous barometric altitude and electrical signals which may be used for navigation or collision avoidance....	08/31/1976

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Class 73/386 - Aneroid