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Patent Searching and Data


Matches 501 - 550 out of 3,960

Document Document Title
WO/1994/007121A1
A system for measuring particulate concentrations includes a mass sensing device (10). Mass sensing device (10) has a sensing chamber (16) with an intake port (12) and an output port (30). Sensing chamber (16) is divided into an upper po...  
WO/1994/003784A1
In weighing apparatus (10) in which weight is measured by the response of a principal strain gauge (15), additional strain gauges (16) are located to respond to secondary strain representing the influence of secondary forces on the respo...  
WO/1993/025873A1
This spring balance is fitted with several scales. It is thus available for several purposes, for example it can be used as a calorie balance. The lower casing section (2) is provided for this purpose with a longitudinal slot (25) throug...  
WO/1993/023723A1
A load sensing unit (16) having an integrated linear mounting portion (25) which can be secured in a load supporting machine, and having a tongue (24), deflectable by a load and a plurality of load sensing gauges (38, 40, 42, 44), secure...  
WO/1993/022634A1
A scale apparatus (170) includes a load cell support (172) and a load cell (30) having a base (36) and a contact portion (38) extending upwardly away from base (36). Load cell (30) is coupled to load cell support (172) and support (172) ...  
WO/1993/022632A1
A strain gauge load measurement device consists of a beam in the form of a metal bar (40). A fixed load application point may comprise a rib (42), and longitudinally movable load application points may comprise rollers (47, 48) in groove...  
WO/1993/020418A1
A load cell device includes a load cell structure formed of a suitable metal and including vertically spaced apart, generally parallel horizontal elements (14, 15) integrally formed with longitudinally spaced apart, generally parallel ve...  
WO/1993/020413A1
The invention is a load cell for the measurement of force, independent of displacement, created by means such as weight, acceleration, pressure, and the like. The load cell has a beam structure with beams positioned parallel to each othe...  
WO/1993/018374A1
An electronic weighing system is disclosed which employs spaced cylindrical dielectric rings (4) as the load measuring transducer (2). A support structure (9) linearly varies the spacing (d) between the rings (4) responsive to a load (1)...  
WO/1993/006807A1
A heavy patient support (10) is mounted on a base (11) by load cell beams (26) forming the transducer for a scale to weigh a patient. Each load cell (20) has a cup (35), a ball (40) and an inverted cup (36) providing the sole support for...  
WO/1993/005338A1
In a structure comprising a body suspended from a support by a number of suspension rods, the respective loads in the rods are monitored by interposing a load-indicating device in the load-transmitting path through each of a number of th...  
WO/1993/005371A1
A method and apparatus for measuring a load under a dynamic state where variations such as swinging and vibration exist. One of the ends of a member constituting a spring system is fixed with the other end free. A stationary load We is c...  
WO/1993/005370A1
Described is a weighing cell for an electronic balance with two side walls (15, 16) which move parallel to each other as a function of the weight and in which are located two metal plates forming a condensor whose capacitance varies with...  
WO/1993/005374A1
A method and a device for measuring a load in a dynamic state in which variations such as shaking and vibration occur. With a spring system composing member fixed at one end and made free at the other end, a load is applied to the free e...  
WO/1992/011563A1
A teachable camera (8) which includes an alterable template matching neural network (40) positioned between a microprocessor (10) that performs camera picture taking algorithms and the units (24-32) such as the shutter which control the ...  
WO/1992/008110A1
An improved capacitor-sensor formed between two rigid, closely-spaced and facing, first and second plates (38, 39) each with a facing and nonfacing surface and with specific facing electrode patterns (62, 63, 64, 72, 73, 74) on the plate...  
WO/1992/005416A1
A load cell, which is used for a weighing apparatus, of the type in which a strain gauge pattern (4) made of a copper-nickel alloy is formed on the surface of a strain generation member (1) by sputtering and is heat-treated in an oxygen-...  
WO/1992/002790A1
An instrument (20) includes multiple sensing elements (6a, 6b, 6c, 6d) of the variable-capacitance type. The sensing elements are placed by a switching network (22) into a single capacitance sensing circuit (8); and those elements which ...  
WO/1991/019960A1
Weighing apparatus for the electronic weighing of livestock and other applications consists of an elongated weight-receiving structure (20) at each end of which an orientated transducer (23, 24, 60) is mounted with its axis of orientatio...  
WO/1991/018268A1
A platform weighing machine incorporating elastic spring beams (1, 2) in the form of elongate spring strips arranged on supports (9) for supporting the weighing platform (11). The spring strips (1, 2), preferably two in number, are held ...  
WO/1991/013327A1
In a displacement detector, especially a displacement to frequency transducer for measuring pressure, comprising an oscillator (30) with a resilient vibrating reed (15) and signal processing means, the oscillator (30) including inductanc...  
WO/1991/011687A1
A weight measuring apparatus comprising an input signal switching means for selectively outputting analog signals that are input to a plurality of channels, an analog-to-digital conversion means which converts the analog signals output f...  
WO/1991/010288A2
A position sensor has a detector fixed to a first body, the detector having sensitive elements defining a track (10) of such elements. A scale being e.g. the optical image of a part of a second body, is caused to impinge on the detector....  
WO/1991/009286A1
This invention is a load cell made from one flat piece of metal consisting of three structural elements: (a) a flat flexure beam (1) possibly with a narrow mid-section, on which strain sensors are bonded; (b) a flat U-shape loading eleme...  
WO/1991/002957A1
A dynamometer, for example a load-sensing machine, has a two-armed lever (1) with a bearing joint (2) and two load application joints (3, 4) designed as spring joints. Each spring joint (2, 3, 4) has a flexible articulated spring (5). Wi...  
WO/1990/013799A1
The invention comprises a vehicle load sensor apparatus for measuring the load on one or more splindles (20, 30) of a vehicle axle (22) which comprises a vehicle axle spindle, a string means (10) attached to a point (14) adjacent to the ...  
WO/1990/011499A1
Weight or force measuring apparatus including a vibratory beam (102) as the force sensor which vibrates at a measurement frequency related to the stress applied to the beam by a weight. A reciprocatory mass (106, 108) is coupled to the b...  
WO/1990/005900A1
Balance with digital display comprising a load sensor (18) mobile with respect to a stand (16) and acting on an arrangement of two parallel leaf springs (10, 12). The latter, together with a holding device (20) connected to the stand and...  
WO/1990/004759A1
A weighing scale in which the weighing platform rests on elongate elastic elements such as leaf springs suspended between fixed supports such that an imposed load anywhere on the platform produces a resultant displacement of the platform...  
WO/1990/004153A1
The relative humidity of air present within a housing of a scale (10), utilizing a capacitive transducer (16) mounted at the interior of the housing, is controlled by a combination of (i) a mechanical partial seal (34) of the housing whi...  
WO/1990/003555A1
A set of scales with an elastic measurement detector operating on the strain gauge (SG) principle essentially consists of a measuring spring (1), a scale pan (3) for introducing the value to be measured and a evaluating and indicating un...  
WO/1990/001148A1
The mass and force meter of the invention with elastic reduction of the input force and a transversely oscillating string (12) is remarkable in that the securing heads (10, 11) between which the string (12) is stressed move only parallel...  
WO/1990/001147A1
This elastic reduction mass and force meter makes it possible to compensate for time-dependent components of elasticity (''creep'') in the suspension parts concerned. This is attained in that opposing and staggered slots (11, 12) are pro...  
WO/1990/000727A1
Improved shaped glass elements (14, 16, 18, 20) having very low thermal coefficients of elastic modulus are provided for use as measuring means in balances for determining the mass of objects with a high degree of resolution. A particula...  
WO/1989/008822A1
The weighing device has a bending beam (20, 31, 41) from which bending moment transmission means (35, 36, 42, 43) extend laterally. Relatively rigid members (24, 27, 30, 32) are coupled to the bending moment transmission means (35, 36, 4...  
WO/1989/008242A1
A portable electronic scale of minimal thickness and weight is provided which is suitable for measuring the weight of an individual or object and which can be easily carried in a bag, stored in a cabinet or hung on a wall. The scale comp...  
WO/1989/007245A1
A load-sensing element for a balance comprises a beam which receives the load at one end, with a horizontal recess. The bending points of two guide rods formed by sections of substantially reduced material cross-section on the upper and ...  
WO/1989/006784A1
A suspension system for an inertial balance constrains the weighing platform (12) when oscillated to undergo uniform linear motion. The suspension system includes a supporting framework (24) and a first plurality of elongate elastic supp...  
WO/1989/004466A1
An energy efficient scale using a load cell (10) for weight detection and a power supply (18, 20, 22, 24) for powering the load cell at one or another of three different current levels. The highest current level provides accurate weight ...  
WO/1989/003514A1
A load sensing structure for weighing has a rectangular deck (14) with four flexure members (12) supporting the deck. Each flexure member has attachment portions (12a) secured to the deck and oppositely facing attachment portions (12b) s...  
WO/1989/003023A1
A balance, which is virtually insensitive to angular deviation and to the presence of additional accelerations of the base, has two dynamometers (2, 3) each having a parallel guide (26). The parallel guides are mutually parallel and thei...  
WO/1989/002584A2
The invention provides a load measuring apparatus for weighing vehicles. The cell is in the form of a plate structure which is of such small thickness that the vehicle wheel can be driven onto the plate structure without the use of a ram...  
WO/1989/001577A1
A spring (14) for compression and tension mainly in axial direction and made of a material having a Young's modulus E of elasticity of at least 39 GPa, such as metal, steel, glass, plastic or reinforced plastic, the spring (14) being rot...  
WO/1988/008520A1
A transducer for measuring stresses, elongations and forces, has a wire made of electrically conductive material which is secured under tension at two points electrically insulated from each other. The central region of the wire is arran...  
WO/1988/000334A1
A weight measuring apparatus utilizing a vibration type force sensor having a greatly increased Q and being inexpensive and easy to manufacture. The force sensor includes a single vibratory beam or a pair of vibratory beams (12 and 14), ...  
WO/1987/007019A1
Force pick-up with double nesting provided with deformation gauges for the direct measurement of vertical stress, characterized in that its body (1)is comprised of a sandwich structure formed of assembled parts comprising a lower flexion...  
WO/1987/004786A1
A pressure sensor in which two flat plates composed of a resilient insulating material are stuck together in parallel maintaining a predetermined gap, and provided with electrodes on the opposing surfaces of the flat plates. The load of ...  
WO/1987/004787A1
An electronic device for weight measurement in particular in the elevator cars, comprising new and improved weight sensors allowing the moving part of the footboard to be bent under the action of the applied weight without impairing the ...  
WO/1986/007447A1
A dietetic measurement apparatus (10) having computer means (30) having a controlling instruction means to provide a determination of basic integers for a mass of a food item weighed on a weighing means (32). The weighing means (32) prov...  
WO/1986/004037A1
A mounting and mounting method for a sensor (21) positioned within a tubular axle (15) of an aircraft (10) undercarriage which will provide an output voltage proportional to the angular deflection of an axle for computation of aircraft g...  

Matches 501 - 550 out of 3,960