Assignee: Crouzet

Location: Paris, FR
No. of patents: 36

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Number	Title	Issue Date
4920256	Universal electronic payment terminal base including memory card programming voltage booster A universal electronic payment terminal base comprising an application and transaction microprocessor (4), with its power supply source (8) and being capable of receiving information identifying memory card holders, and a reader (6) of these cards control...	04/24/1990
4768877	Method and device for measuring the propagation time of a wave A method and device are provided for measuring the propagation time of a wave, wherein a wave is transmitted modulated in amplitude by a modulation signal. The wave reflected by an obstacle is received after a propagation time and the amplitude thereof is...	09/06/1988
4739660	Accelerometer with vibrating element An accelerometer is provided comprising an inertial mass connected to a support by means of a hinge and a vibrating element whose ends are respectively fixed to the inertial mass and to the support. The hinge is disposed in the median plane of the vibrati...	04/26/1988
4727450	Temperature measuring, protection and safety device, thermal protection device using the temperature measuring device and electronic power controller using the thermal protection device A device is provided for the temperature measurement and thermal protection of an object and more particularly of an electronic "solid state" circuit, using an analog network representative of a thermal model of the circuit to be protected. It comprises, ...	02/23/1988
4725919	Luminous panel for the battery mounting of components of airborne equipment A light panel for the electrical mounting of components of airborne equipment is disclosed and comprises a first rigid plate having a plurality of holes for allowing component operating knobs to pass therethrough, a plurality of rings for individually gui...	02/16/1988
4710668	Vibrating string resonator The invention provides a string resonator vibrating under flexion whose oscillation is maintained by piezoelectric, electrostatic or magnetic exitation means. Decoupling is obtained by inertia masses which oscillate in the vibration plane of the string, b...	12/01/1987
4684770	Microswitch A microswitch comprises a compression spring abutting onto an insulating base which supports conducting terminals, the spring exerting indirectly a permanent tension force on flexible lateral arms of a blade pivotably mounted on one of the terminals with ...	08/04/1987
4642560	Device for controlling continuity of printed circuits The device according to the invention is intended for controlling the electrical continuity of the equipotential branchings of multi-layer printed circuits. It comprises selectors of a model of printed circuit to be controlled in order to effect, by super...	02/10/1987
4609957	Magnetic card reader-encoder apparatus The invention relates to a reader-encoder of an magnetic card, which comprises means for maintaining the support in a fixed and well determined position in contact with read-write means disposed on a carriage moving in a uniform rectilinear movement. It c...	09/02/1986
4544881	Device for testing the insulation of printed circuits The present invention relates to devices for the quality control of the electrical insulation of printed circuits made in particular in multiple layers superposed on insulating supports of laminar structure by means of conventional or hybrid technologies....	10/01/1985
4476725	Differential pressure gauge A differential pressure gauge comprises a balance beam (3) acting upon a vibrating blade (6). The beam (3) and the blade (6) are disposed in a rigid chamber 4 under vacuum. The beam (3) is acted upon by a force, resulting from the deformation of a flexibl...	10/16/1984
4471246	Electric motor having improved construction to facilitate assembly Assembly of a small electric motor is facilitated by pre-assembling each coil with a support bearing and a corresponding pole piece, as well as with the cylindrical magnetic coil housing. Each support bearing includes a pair of radially-extending hooks wh...	09/11/1984
4419742	Shift register for magnetic domain propagation memory The register comprises a soft magnetic layer in which is formed the domain propagation channel, a hard magnetic layer and a domain shift conductor. The propagation channel comprises a writing box, a reading box, narrow domain storage zones, widened domain...	12/06/1983
4414753	Process for compensating the magnetic disturbances in the determination of a magnetic heading, and devices for carrying out this process The present invention relates to a process for compensating the magnetic disturbances influencing the measurements of a device for determining the magnetic heading, mounted on a land vehicle or aircraft, comprising a magnetometer furnishing analog voltage...	11/15/1983
4414735	Process for making conductor element with double contact face Metal section for making a conductor element with double contact face, adapted to be cut into portions, or electrical contacts. This section comprises a base arranged to abut and be fixed on a face of the conductor element, and a body, extending on either side...	11/15/1983
4335463	Simultaneous integral multi-access transmission system on transmission lines by optical fibres Spectrum spread transmission system, particularly for telephone network, employing optical fibres. It comprises, for the emission part, a pseudo-random sequence generator, a multiplier, a transducer for transducing electrical signals into light and, for t...	06/15/1982
4333154	Device for determining the direction of a line of sight In a device for determining the direction of a line of sight, or the orientation of a sighting trihedron associated with said line of sight, defined by a magnetic azimuth angle, an elevation angle and an inclination angle determined in a reference trihedr...	06/01/1982
4306588	Pneumatic control apparatus for bi-manual security The invention relates to a security pneumatic control apparatus comprising an OR cell, an AND cell, a capacitor, connected to the OR cell by means of a debit regulator, and a priority cell connected to the capacitor and to the AND cell. The AND cell compr...	12/22/1981
4294501	Plug member for the electrical connection of an appliance to a base A plug member for the electrical connection of an appliance to a base. The plug member comprises conducting pins, an insulating centering stud and means for locking the plug member on the base. The centering stud is open laterally. The locking means are d...	10/13/1981
4250566	Magnetic domain propagation register A magnetic domain propagation register carrying out the propagation of the domains under the effect of electric currents, comprising an insulating substrate, a soft magnetic layer on the insulating substrate, in which is formed a propagation channel, a ha...	02/10/1981
4244391	Pneumatic program register and corresponding module A pneumatic program register comprising a plurality of sequential by cascaded modules, each module comprising a pneumatic flip-flop, an AND cell with two inputs and an OR cell with two inputs, one input of said OR cell being connected with the output of s...	01/13/1981
4218173	Robots A robot comprising a chain of members connected in pairs and mobile with respect to one another under the action of drive device controlled by a computer, each of the members being operative to drive a terminal member of the chain in a movement determined...	08/19/1980
4215812	Magnetic information carrier A magnetic information carrier comprising two magnetic tracks. One track contains coded magnetic information and the other track is deposited in depressions formed in the carrier and filled with a magnetic liquid, for displaying some of the coded magnetic...	08/05/1980
4216466	Digital to synchro converter This disclosure describes a device for converting binary coded angle information into the analog angular position of the rotor winding of a conventional counter-reaction resolver. The device is operative to provide two periodic rectangular wave signals of...	08/05/1980
4216358	Snap switch A snap switch comprises a control button, a control rod slidable with the control button via a spring, two pairs of contacts associated, respectively, with two pairs of terminals, the two contacts of each pair of contacts being connectable by resilient co...	08/05/1980
4209005	Apparatus for cutting silicon having a pivoted work carriage utilizing an air bearing The machine tool of the invention comprises a frame (100) with an upper plate (1), an annular saw blade (3) of which the cutting part is made on its inner periphery and which is supported by a rotatable mandrel (23), and a bar-holder carriage (2) pivotabl...	06/24/1980
4192198	Two gear train reduction mechanism This invention relates to a reduction mechanism including two gear trains, of different speed reductions, for rotating one cam, both gear trains having different input gears but a same output gear, said input gears being rotatable by a step-up gear mounte...	03/11/1980
4186550	Programmer for electric household appliances Programmer for electric household appliances, comprising an assembly of programming cams driven in rotation by a reversing cam driven itself by a motor, a timing wheel driven in rotation by the reversing cam via a set of levers, a first cam of the cam ass...	02/05/1980
4173889	Ultrasonic flowmeter An ultrasonic flowmeter for measuring the rate of flow of a fluid, comprising a conduit and two acoustic probes placed on a line inclined with respect to the axis of said conduit. The active end of the probes are bathing in an annular chamber formed by a ...	11/13/1979
4124901	Domain propagation register with single layer of conductors A magnetic domain propagation register carrying out the propagation of the domains under the effect of electric currents in a channel formed by an anisotropic soft magnetic substance strip layed out on an insulating substrate, the domain shift conductor, ...	11/07/1978
4114438	Devices for measuring the flow speed of a fluid Device for measuring the flow speed of a fluid, comprising sound wave transmitting-receiving probes placed in the fluid flow, wave generating means, transforming means for exploiting the electrical signals, such as amplifiers, counting circuits and integr...	09/19/1978
4107483	Timer switch assembly having centrifugal displacement mechanism A timing device comprises a contact assembly, an acting switch and a centrifugal mechanism rotated by a synchronous motor, and a rotatable resiliently biased timing wheel. The acting switch, upon energization of the motor, is moved axially in a direction ...	08/15/1978
4090151	Temperature sensing device for producing alternating electric signals whose period is a function of a temperature A device for producing at the output of a multivibrator an electric signal the period of which is a linear function of a temperature to which is subjected the measuring probe, characterized in that said multivibrator consists in a comparator whose first i...	05/16/1978
4086527	Method and apparatus for monetary articles authentification An authentication method for standardized objects, such as in particular monetary articles, in which an object to be authenticated is introduced into the field located between an emitter and a receiver delivering at least an alternative physical quantity,...	04/25/1978
4083242	Device for measuring the flow rate of fluid in a duct Device for measuring the volumetric flow rate of a fluid flowing through a generally tubular body, wherein a swirling motion is imparted to the fluid by a precessing means, comprising a device producing a variable frequency signal depending on the precess...	04/11/1978
3961211	Gyroscope motor Gyroscope motor of the type comprising a magnetized rotor constituted by a permanent magnet in the shape of a toroid, within which are disposed the stator windings, the commutation being ensured by means of a static detector operating by variation of the ...	06/01/1976

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Assignee: Crouzet