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Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 73/252 - Oscillating piston


Subclass of Class 73 - Measuring and testing
Definition: Piston meters in which the piston and cylinder relatively
No. of patents: 13
Last issue date: 01/24/2006


NumberTitleIssue Date
6988401Seal for a fluid meter and a meter equipped therewith
A seal is mounted in a groove around an orifice of a measuring chamber inserted in an insertion direction into a tank to form a fluid meter. The seal comprises a radially elastic torus having a shape corresponding to that of the orifice and an arrangement on at leas...
01/24/2006
6490918Piston-type quantity meter
A piston-type quantity meter including a metering chamber having a bottom, a cylindrical chamber shell, a cover, a central journal, a guide ring, two inlet opening formed, respectively, in the chamber bottom and the chamber cover, and a radial outlet open...
12/10/2002
6477896Indicator for reflecting direction of airflow between two rooms
Flow indicator with the purpose to indicate direction of the air flow between two rooms separated by a wall. The indicator comprises a tube (12) that is mounted in an opening of the wall (10). Inside the tube is a smooth-running body (16) mounted that eas...
11/12/2002
6032528Flow meter having cylinders with freely movable pistons therein
The invention relates to a flow meter and in particular to a flow meter suitable for connection into a fluid conduit. The flow meter has an inlet and an outlet for connection into a fluid line and includes interconnected cylinders, each cylinder having a ...
03/07/2000
5773718Device for measuring liquid volume of the cylindrical piston meter type
Device for measuring liquid volume in the manner of a cylindrical piston meter with a cylindrical measuring chamber with connecting channels running perpendicularly to the cylinder axis of the measuring chamber and with a cylindrical piston inserted eccen...
06/30/1998
5576489Measuring device for oscillating piston liquid meter
A measuring device for a liquid meter with oscillating piston comprises a hollow chamber pierced with two apertures and limited by a cylindrical side wall, a bottom and a lid; a piston enclosed in said chamber and held movably, along a partition wall abou...
11/19/1996
5495756Cylindrical chamber for liquid meter with oscillating piston
A cylindrical chamber (1) for an oscillating piston type of liquid counter comprises notably a biconcave fixed partition wall (9) and grooves on the lower and/or upper edges of the piston and, as the case may be, on the small cylinders of the chamber 1. T...
03/05/1996
5392632Small volume prover
A small volume prover is disclosed which is compact and capable of obtaining highly reliable measurement, keeping a highly accurate base volume without being affected by temperature and pressure of fluid to be measured. The prover includes a cylindrical o...
02/28/1995
4721192Anti-theft device for vehicles
An anti-theft hydraulic brake device is provided and consists of a valve placed in hydraulic fluid conduit going from a master cylinder to wheel brake cylinders that will keep the brakes locked when the valve is activated from the dashboard after the brak...
01/26/1988
4448066Fuel per pulse indicator for a pulse engine fuel injection system
Apparatus for indicating fuel per pulse in a pulsed fuel injection system for an internal combustion engine, especially a diesel engine, includes a magnetic piston axially movable in a cylindrical bore in a fuel line to and from a stopped position blockin...
05/15/1984
4367653Device for measuring solids in a moving stream
This invention relates to a device for measuring solids in a moving stream installed in a closed system in which the prevailing pressure therein is equal to or higher than the ambient pressure. The device includes an inlet which is smaller in cross-sectio...
01/11/1983
4089221Wobble plate flow-rate measuring device
A flow-rate measuring device comprises a chamber and an inlet channel for receiving and introducing a flow of fluid to the chamber. A wobble plate is pivotally disposed in the chamber to equally divide it into first and second chamber portions when in equ...
05/16/1978
4078429Wobble plate flow-rate measuring device
A flow-rate measuring device comprises a cavity and an inlet port for receiving and introducing a flow of fluid to the cavity. A wobble plate is pivotally disposed in the cavity to equally divide it into first and second cavity sections when in equilibriu...
03/14/1978
 
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