Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 6764114 | Lead seal assembly A sealing assembly designed to co-operate with a screw provided with a tightening slot by being mounted therein in such a manner that once said assembly is sealed the tightening slot is hidden in a manner that is not reversible except by destroying the seal, and fur... | 07/20/2004 |
| 6408866 | Fluidic oscillator, part designed to be incorporated in a fluidic oscillator and method for making such a fluidic oscillator The invention provides a fluidic oscillator that is symmetrical about a longitudinal plane of symmetry (P), comprising an enclosure defining an oscillation chamber and having an inlet opening and an outlet opening through which the fluid flows and which a... | 06/25/2002 |
| 6357034 | Data communication method and the use of the method in a system for remotely reading meters A method of communicating data in a system having a plurality of transmitters each adapted to transmit a radio signal, and a receiver situated at a distance from the transmitters to receive and process the signals transmitted by the transmitters, informat... | 03/12/2002 |
| 6343518 | Liquid meter with improved pivoting The invention provides a liquid meter comprising a measurement chamber in which a spinner is caused to rotate about an axis and pivots, at least at low liquid flow rates, on a support in alignment with the axis. The pivoting motion takes place via a ball ... | 02/05/2002 |
| 6321790 | Fluid oscillator with an extended slot The invention relates to a fluidic oscillator that is symmetrical about a longitudinal plane of symmetry, the oscillator comprising an opening enabling a fluid to enter into an "oscillation" chamber in the form of a two-dimensional fluid jet oscillating t... | 11/27/2001 |
| 6226598 | Method of measuring the propagation time of a sound signal in a fluid by means of a zero-crossing of said sound signal Measuring the propagation time of a sound signal between two spaced-apart transducers disposed in a fluid flow involves determining the zero-crossing of the signal. Each received sound signal is sampled and digitized, then for each period of the sampled a... | 05/01/2001 |
| 6173617 | Cell for converting differential pressure into an electric signal A cell for converting a differential pressure into an electric signal, which comprises two chambers and a sensor. The two chambers are filled with an incompressible fluid and each are closed by a respective membrane suitable for deforming under the action... | 01/16/2001 |
| 6131470 | Fluidic meter of reduced size The invention concerns a fluid meter including a body comprising a fluid intake opening and a fluid evacuation opening aligned along a first direction A, a measuring unit formed of a fluid oscillator including at least one obstacle disposed into an oscill... | 10/17/2000 |
| 6133573 | Method and device for determining a gas volume concentration A gas volume concentration is determined. An electromagnetic radiation is emitted (state 1) through the gas volume. The radiation is filtered by temporally modulating the spectral transmission of said filter so as to obtain a temporal modulation of the en... | 10/17/2000 |
| 6129105 | Interrupter having an anti-fire valve member for a gas meter, and a gas meter fitted with such an interrupter A gas flow interrupter for a gas meter, the interrupter comprising a valve member that is movable relative to a valve seat which defines an opening for passing said gas flow, said valve member comprising firstly a membrane having a main surface including ... | 10/10/2000 |
| 6119070 | Method for acoustically measuring a fluid flow rate A method for measuring a fluid flow rate between two points of a fluid flow according to which a measurement of the respective propagation times of two acoustic signals transmitted in opposite directions is combined with a measurement of acoustic phase sh... | 09/12/2000 |
| 6112601 | Method and apparatus for measuring the flow rate of a flowing fluid The invention relates to a method of measuring the flow rate of a flowing fluid on the basis of two ultrasonic signals transmitted consecutively in mutually opposite directions between two ultrasonic transducers. In the method, n clock signals CKi | 09/05/2000 |
| 6079281 | Single-jet liquid meter with improved driving torque A single-jet liquid meter comprises a body in which a measurement chamber of substantially cylindrical shape is disposed. The chamber is fitted with a spinner having a longitudinal axis XX' and provided with blades, a liquid feed tube and a liquid dischar... | 06/27/2000 |
| 6054930 | Meter tamper detection device capable of counting multiple openings A device for detecting meter opening, the meter including at least a first structural element and a second structural element that are in a given position relative to each other when the meter is closed, said device comprising: a moving member connected t... | 04/25/2000 |
| 6049790 | Protected keypad apparatus The invention relates to protected keypad apparatus, in particular for machines actuated by insertion of an electronic smart card. The keypad proper (10) comprises n sensitive zones (Zi), each sensitive zone being associated with a respective sensor and w... | 04/11/2000 |
| 6049900 | Automatic parallel electronic component testing method and equipment A method of automatically testing electronic components in parallel, identical pins (i; i+1) of said components interchanging test signals with at least one common test circuit (20; 20') which includes, firstly, timing generators (22a, 22b, 22c, 22d; 22'a... | 04/11/2000 |
| 6011755 | Electronic time switches An electronic switch comprising at least one switching device 70,72, a reference frequency source 58, a microprocessor 50 and means for applying to the microprocessor inputs representative of at least the current time and date and the latitude at which th... | 01/04/2000 |
| 6006346 | Method and equipment for automatically testing electronic components Method and apparatus of testing electronic components in parallel employs instructions which are contained in a memory. The instructions include information relating to test to be performed on a plurality of components to be tested in parallel after the c... | 12/21/1999 |
| 6003383 | Vortex fluid meter incorporating a double obstacle A vortex fluid meter (1) includes a pipe portion (2) of constant inside diameter in which the fluid flows, at least two obstacles disposed in the middle of the flow of the fluid in said pipe portion (2) each having a generally elongate shape with longitud... | 12/21/1999 |
| 6003385 | Ultrasound apparatus for measuring the flow speed of a fluid The invention relates to ultrasound apparatus for measuring the flow speed of a fluid, the apparatus comprising first and second ultrasound transducers disposed at points that are spaced apart in the direction of fluid flow, a transmitter module, a receiv... | 12/21/1999 |
| 5996099 | Method and apparatus for automatically testing electronic components in parallel utilizing different timing signals for each electronic component Apparatus for selectively testing, in parallel, identical pins of a plurality of electronic components is provided. The apparatus enables testing of selective pins of selective electronic components according to different timing schemes.... | 11/30/1999 |
| 5983943 | Fluidic oscillator comprising an obstacle with an improved profile The invention relates to a fluidic oscillator which is symmetrical with respective to a longitudinal symmetry plane, comprising a fluid inlet intended to form a bidimensional fluid jet which oscillates transversally with respective to the symmetry plane, ... | 11/16/1999 |
| 5978746 | Method and apparatus for determining a physical parameter represented by variation in time of a physical magnitude A physical parameter represented by variation in time of a physical magnitude G capable of varying between a minimum value Gmin and a maximum value Gmax is determined. The physical magnitude G is measured at variable time intervals r... | 11/02/1999 |
| 5973941 | Electricity meter with a switching mode transformer power supply circuit An electronic electricity meter comprising a measuring circuit and a power supply circuit. The power supply circuit comprises a main capacitor and a transformer controlled by a switching mode circuit. The transformer has an additional winding between the ... | 10/26/1999 |
| 5969263 | Ultrasonic fluid counter for attenuating parasitic ultrasonic waves The invention concerns an ultrasonic fluid counter including at least two ultrasonic transducers collectively defining an ultrasonic measuring path and emitting and receiving ultrasonic waves in the fluid along said ultrasonic measuring path according to ... | 10/19/1999 |
| 5959216 | Method of conditioning a fluid flow, and a fluid flow conditioner A method of conditioning a fluid flow from a first area to a second area downstream from the first area. The flow coming from the first area is directed in a longitudinal direction. The cross-section of flow is increased, and the flow is split by means of... | 09/28/1999 |
| 5944846 | Method and apparatus for selectively testing identical pins of a plurality of electronic components Apparatus for selectively testing, in parallel, identical pins of a plurality of electronic components is provided. The apparatus enables selective pins of selective electronic components to be disabled during testing so that testing can continue in conne... | 08/31/1999 |
| 5935497 | Method of printing a graphic on a memory card A method of printing a graphic on an electronic memory card comprised of a card body, made of a thermoplastic material and having two main faces that are substantially mutually parallel, and an electronic module carrying electrical contacts on a contact f... | 08/10/1999 |
| 5920391 | Tunable Fabry-Perot filter for determining gas concentration The invention provides a filter of the Fabry-Perot interferometer type for electromagnetic radiation having spectral density that is modified by a gas. The filter comprises a body which is transparent to said electromagnetic radiation, at least in its par... | 07/06/1999 |
| 5907099 | Ultrasonic device with enhanced acoustic properties for measuring a volume amount of fluid An ultrasonic measurement device measures a volume-related quantity of a fluid flowing from a first zone to a second zone of the device. The device includes two ultrasound transducers emitting and receiving ultrasound signals and each disposed in one of t... | 05/25/1999 |
| 5900606 | Method of writing information securely in a portable medium A method of writing information securely in a portable information medium fitted with a firmware electronic component. According to the invention, information is written in at least two stages on at least two distinct sites, with information depending on ... | 05/04/1999 |
| 5901028 | Electricity meter provided with a system for protection against surges At least one live conductor and one neutral strap are provided for an electricity meter, the respective inlets and outlets of the live conductor and of the neutral strap being disposed inside the meter housing parallel to one another and being coplanar. A... | 05/04/1999 |
| 5889213 | Apparatus for measuring a fluid flow rate, the apparatus including at least one element for modifying the speed profile of said fluid flow An apparatus measures the flow rate of a fluid. The apparatus comprises a fluidic oscillator provided with an elongate slot in a direction Oz and suitable for forming a jet of fluid that oscillates in a plane Oxy perpendicular to the Oz direction, and an ... | 03/30/1999 |
| 5878790 | Recovery system for recovering hydrocarbon vapor and offering improved stability A recovery system for recovering hydrocarbon vapor given off by motor vehicle tanks while they are being filled with liquid fuel via at least one dispensing pipe. According to the invention, said recovery system comprises a recovery pipe associated with s... | 03/09/1999 |
| 5880454 | Electronic payment card with an interchangeable module An electronic payment card includes a support of standardized thickness and an electronic module having a semiconductor component, the module being designed to be incorporated in the support. The electronic module is included in a miniature card of thickn... | 03/09/1999 |
| 5881155 | Security device for a semiconductor chip Security device for preventing access to confidential information stored in a semiconductor chip, or protected chip. The security device comprises a second semiconductor chip, or protective chip, with the two chips facing each other and being coupled to e... | 03/09/1999 |
| 5877544 | Electronic micropackage for an electronic memory card An electronic micropackage for an electronic memory card, particularly applicable to large-sized semiconductor chips. The micropackage includes a semiconductor chip disposed on a first face of an insulating support, and electrical contact zones extending ... | 03/02/1999 |
| 5877547 | Active security device including an electronic memory The present invention concerns a security device containing secret information, of the type comprising a memory area of an integrated circuit receiving said information and protection means covering and fastened at least to the memory area. The protection... | 03/02/1999 |
| 5864067 | Fluidic oscillator and a method of measuring a volume-related quantity of fluid flowing through such a fluidic oscillator A fluidic oscillator is symmetrical about a longitudinal plane of symmetry in which a longitudinal fluid flow direction is contained. The oscillator generates a two-dimensional jet of fluid that oscillates transversely relative to said longitudinal plane ... | 01/26/1999 |
| 5854429 | Magnetic protection device A protection device (70) for providing a drive system (60) for imparting rotary drive between two mechanical members (28, 44) about an axis by magnetic coupling with protection from an external magnetic field, said drive system including at least two axia... | 12/29/1998 |
