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WO/1988/000539A1 |
The ball detector for detecting the limit value of an acceleration or a deceleration of motor vehicles is intended to energize an automatic device which switches on the distress lights in the case of a shock or turning over, total or par...
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WO/1988/000325A1 |
An article in the form of a projectile (10, 50), a shock-sensitive switch (101, 110) or a sabot (131) having an active component of shape-memory alloy (14, 104, 130) which exhibits the shape-memory effect to provide a mechanical movement...
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WO/1987/004560A1 |
Safety disconnection device for electrical users, in particular for use in smoothing irons and portable heaters. It comprises a thermal switch (1) with another switch (22) connected in parallel with the user (R), a dropping resistor (R1)...
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WO/1987/003547A1 |
A detector (13) of the inflation pressure of motor vehicle tyres comprises a manometric switch activated by the tyre pressure in order to monitor said pressure. The manometric switch comprises a reference pressure chamber (21) isolated f...
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WO/1987/003546A1 |
A detector (13) of the inflation pressure of motor vehicle tyres is attached to the circumference of the rim of a wheel and comprises a manometric switch activated by the tyre pressure in order to monitor the said pressure. The manometri...
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WO/1986/007654A1 |
To protect the contact of a centrifugal switch and to prevent it from arcing in an induction motor. A TRIAC (triod AC semiconductor switch) is connected in parallel with the contact of a centrifugal device in a centrifugal switch, so tha...
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WO/1986/007266A1 |
A pressure sensitive member (15) having first and second configurations, the member being movable from said first to said second configuration by application of an increased differential pressure on said member, the member having no stab...
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WO/1986/004553A1 |
A cabin intended to be used by persons, particularly cabins of motor vehicles, fitted with a ventilation system including an integrated fan as well as a filtering device. It is known to protect work cabins or cabins of motor vehicles aga...
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WO/1985/005219A1 |
This new micro-mechanical switch is characterized by its very simple design, the very simple operating links between its component parts, the extremely small movement and play of the switching element(s), a material composition specific ...
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WO/1985/003383A1 |
A microminiature switch (104) for digitizing different valued external conditions, such as pressure, temperature or acceleration. The switch (104) includes a silicon wafer (108) having a deflectable, reduced-thickness membrane (106) adap...
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WO/1985/001830A1 |
Plant for setting on and setting off a pump driven by an electric motor by means of an electric switch mounted in a float which controls the setting on or setting off of the pump as a function of the water level by means of a spherical c...
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WO/1985/000464A1 |
A pressure switch having mechanical and solid state components. The switch includes mechanical components that are arranged so the mechanical components provide the electrical connections between a motor and an electric source for the mo...
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WO/1985/000204A1 |
Improvement to electro-fluidic relays susceptible of indicating either the maximal or the minimal threshold of pressure of a fluid circuit or the position of a movable member of a jack. The relay is comprised of a connector (1, 2) secure...
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WO/1984/004962A1 |
Device generating an electric coincidence signal when a body pivoting with respect to a horizontal rotation axis takes up a predetermined angular position to be characterized, with respect to said axis. According to the present invention...
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WO/1984/003585A1 |
A ferromagnetic ball (1) is mounted between dished first and second contacts (2 and 5) and subjected to magnetic restraint tending to retain the ball (1) in its central, rest position by means of a rare earth type magnet (7) which is acc...
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WO/1983/003386A1 |
A keyboard assembly (Fig. 1, 11) is constructed of first light transmisssion members (13), second light transmission members (15), a key actuation assembly (17) having a matrix of keybuttons (25), plural light source assembly (19) and pl...
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WO/1983/003160A1 |
To protect the operator of an electrically supplied apparatus in a damp room against an electric discharge, there is provided a protection device comprised of a probe formed by two conductors (44, 45; 46, 47) which cannot come in contact...
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WO/1983/002832A1 |
A temperature responsive control unit for controlling either cooling means such as a freezer or refrigerator or a space heater employs a first temperature sensing element (3A) responsive to temperature in the immediate vicinity of an eva...
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WO/1983/002523A1 |
In certain classes of displacement indicators it is beneficial to disallow certain outputs in response to certain temperature conditions. In prior displacement indicators this has been achieved through use of extrinsive devices or intern...
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WO/1983/002196A1 |
Movement of an inertia mass (4) from a rest position as a result of acceleration or deceleration in excess of a given threshold value causes a hinge-like assembly (8) having two parts (9 and 10) to pivot between two over-center positions...
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WO/1983/002157A1 |
A temperature or pressure sensing element of the kind having an expansible capsule or bellows (1) connected a capillary tube (2) by way of an hermetic seal is fabricated by sealing the capillary tube (2), which may be of aluminium, stain...
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WO/1983/002010A1 |
A device indicating movements of vehicles and working machines like a device for control of driving way of a motor vehicle, especially a car. The device indicates the accelerations and slackenings or swayings exceeding a certain limit. T...
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WO/1983/000746A1 |
An improved solid state relay and regulator (24, 34) having reduced turn-off time, analog or digital input, and analog or digital output, is obtained by using a depletion JFET (40, 50) as a variable resistance discharge path for a gate (...
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WO/1983/000405A1 |
In such installation, there is provided an electric sensor (1) which may be brought into one of the two adjusting positions, causing an electric switch-off, respectively a restoring of its contacts (4, 5), by means of an adjusting member...
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WO/1982/004497A1 |
A thermostatic switch unit for controlling a freezer or, for example, refrigeration apparatus in automotive air conditioning, includes a switch (1) which is acted upon by a thermostat mechanism responsive to the working temperature of th...
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WO/1982/002622A1 |
A filter bypass monitoring switch (22) includes a housing (24), a piston (28) slidable in the housing (24) and operatively coupled to a movable control member (20) of a bypass valve (18), a spring (42) to bias the piston (28) to follow t...
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WO/1982/002000A1 |
Inertia sensor in belt reels for vehicle belts comprising a rolling body (12) carried on a support (10), and a transmission element (14) for operative interaction with the latch mechanism of the belt reel. This transmission element compr...
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WO/1982/002113A1 |
Device for starting and stopping a pump driven by an electric motor, particularly an immersed pump, according to the liquid level of a tank by means of a float (11) arranged at one end of a supply cable (12). This cable leads to a switch...
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WO/1982/002114A1 |
The field of the invention is pressure measurement. The problem is the need for an effective, safe and reliable device for sensing fluid pressure in the tubing leading into a patient for administering parenteral fluids. The pressure dete...
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WO/1981/003715A1 |
The device is intended to cut-off automatically the electric power supply of a motor (4), when the latter is rotatingly blocked by a mechanical resistance. This device comprises balls (5) which become rotatingly integral with the motor (...
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WO/1981/002223A1 |
Pressure sensitive apparatus for producing electrical signals, on two electrodes. The apparatus has a layered structure consisting of a conductive layer (10), a piezoelectric polymer film layer (12), an electrode layer (14), an insulatin...
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WO/1981/000325A1 |
The inertia switch device (1) comprises an inertia mass (6) which is movable from a rest position when the device is subjected to an applied acceleration or deceleration in a horizontal plane, a first electrical contact (5) movable betwe...
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WO/1980/001735A1 |
A switch mechanism includes a fixed contact bar (75) on which two or more contacts (83, 78, 143) may be mounted. A movable contact (84, 79, 142) is associated with each of the fixed contacts. Two independent toggle mechanisms (70, 73) ar...
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WO/1980/001435A1 |
A device (10) for filling a pneumatic tire and sensing the air pressure therein has a check valve (22) disposed within a valve stem (14) and a pressure sensing switch (66) and which is temperature compensated to adjust for air pressure c...
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WO/1979/001143A1 |
In the past, the ease of assembly in calibration mechanisms of the cam-type for pressure switches has not been acceptable. The present invention greatly improves the ease of assembly. The invention is used for actuating and calibrating p...
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WO/1979/001028A1 |
It is necessary for the doors of prison cells, of sales, as well as the doors of armoured boxes and cupboards, to protect the switch which is mounted on the door or on the frame and which, by the closing motion of the door, releases a si...
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WO/1979/000500A1 |
An inertia switch (100) has an inertia mass in a concave seat for movement of an arm (21) on subjecting the switch (100) to a predetermined acceleration or deceleration. The arm moves a first electrical contact from a first stable positi...
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WO/1979/000337A1 |
Bellows-operated device wherein a pressure to be controlled is applied to the interior of the bellows (30) which operates indirectly a push rod (34) which in turn may operate an electrical switch. In order to render the device fail-safe,...
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JP7487431B2 |
To provide a small-sized push button switch which can be operated in regardless of contact with an operation part.An operation part 11 of a push button switch 1 includes a contact surface 111 which an operator touches, and is moved to a ...
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JP7483204B2 |
To provide a photoelectronic sensor which is applicable to detection objects in various sizes with more ease.Photoelectronic sensors 10, 12 for detecting detection objects 20, 22, 24 each comprise: a plurality of light sources 136 which ...
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JP2024065313A |
An object of the present invention is to provide a water flow switch whose operating point can be easily changed. [Solution] A water flow switch 40 includes a casing 70 constituting a path for hot water, a detection piece 71 swingably pr...
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JP7483205B2 |
To provide a photoelectronic sensor that does not require the setting of a threshold and can detect a bottle type transparent body with a simple configuration.A photoelectronic sensor is a photoelectronic sensor that is used for detectio...
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JP7480021B2 |
To reduce the number of substrates in a photoelectric sensor having at least two operators.A photoelectric sensor includes a housing, a substrate, a first operator, an electronic component for sensitivity adjustment, a second operator, a...
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JP7477156B2 |
To provide a soot collection device including an operation switch part which is excellent in cleanability and design and can be applied to a thin metallic housing.A soot collection device 1 includes an operation part 30 at the operation ...
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JP2024057075A |
[Problem] A pressure switch that prevents damage to the pressure responsive part and prevents leakage of pressure medium by preventing the actuating plate from falling off and improving pressure resistance even when excessive pressure is...
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JP2024055587A |
[Problem] To provide a mechanical seismic sensor that can have a longer life than a structure that uses steel balls. [Solution] A non-volatile electrolyte 3 is stored in a non-conductive container 10, a first electrode 5a is provided at ...
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JP7468098B2 |
A base member of the sensor includes a first projection part, a second projection part, and a third projection part, being columnar and projecting from a first placement surface. Tip ends of the first, second and third projection parts a...
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JP7466832B2 |
This photoelectric sensor is provided with: a case having an opening part; a first substrate which is a hard substrate disposed along a boundary plane dividing an internal space of the case into a first space on the opening part side and...
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JP7464929B2 |
To provide a seismic breaker that can be easily and accurately assembled in a short time by inserting each part, thereby reducing the number of assembly man-hours and cutting costs, and at the same time ensuring high reliability in opera...
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JP2024050913A |
The present invention provides a sensor that can accommodate a plurality of circuit boards in a compact manner. [Solution] The sensor includes a first rigid board 31 and a second rigid board 32 on which electronic components 39 used for ...
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