Bizarre Patents
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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| Number | Title | Issue Date |
| 7509884 | Sensor sheet In a sensor sheet, first electrodes (11) each covered with a pressure-sensitive resistive member and second electrodes (21) each covered with a pressure-sensitive resistive member are disposed to extend perpendicularly to each other in a plan view. A c... | 03/31/2009 |
| 7342185 | Compression column load cell with compensation for off center loading errors Simple and inexpensive electrical compensation for off-axis and off-center loading sensitivity is possible in compression column load cells having a pair of compensation strain gages in series with each of the main strain gages in the load cell. The compensation gag... | 03/11/2008 |
| 7308347 | Frame-based occupant weight estimation apparatus having compliant load transfer mechanism A frame-based occupant weight estimation apparatus for a vehicle seat includes compliant load transfer mechanisms interposed between the seat frame and floor brackets bolted to the vehicle floor. The compliant load transfer mechanisms translate the seat loads to a c... | 12/11/2007 |
| 7240571 | On-board scale sensor with mechanical amplification and improved output signal apparatus and method A system for sensing the load carried in a structural member by attaching a load cell to a neutral axis of bending. Small deflections along an arc of bending create a desirable signal level via mechanical amplification. A load sensor is adapted for mounting on an ax... | 07/10/2007 |
| 7204162 | Capacitive strain gauge A strain gauge for sensing strain is provided and includes a support substrate, and first and second electrodes supported on the substrate. The first and second electrodes include first and second capacitive plates, respectively. The first capacitive plates are mova... | 04/17/2007 |
| 7194923 | Strain detector and pressure sensor A thin-film resistor (5) provided on a strain-generating part (2) via an insulating film (4) and an electrode thin-film (6) including an electrode pad (10) arranged in the thin-film resistor (5) are provided. The thin-film r... | 03/27/2007 |
| 7104340 | Towed implement draft force sensor A draft force sensor is provided for a coupling member coupled between a towing vehicle and a towed earth engaging implement, such as a scraper. The draft force sensor includes first and second bores extending through the coupling member. Each bore has a horizontal ... | 09/12/2006 |
| 7086299 | Multi-load beam apparatus to prevent improper operation due to off-axis loads A multi-load beam transducer includes a fixed member, a movable member, and a plurality of load beams positioned between the members, each beam separated by a given distance normal from each other and positioned about a longitudinal axis between the members. The plu... | 08/08/2006 |
| 7057119 | Egg weighing apparatus A device and method for weighing eggs. The egg weighing apparatus includes a movable stem that supports an egg weighing platform. The stem is attached to a measuring device that is electronically and mechanically driven for precise measurement of an egg. The present... | 06/06/2006 |
| 7055365 | Load sensor and seat weight measuring apparatus with a plurality of strain gauges A load sensor hardly causing error in weight measurement even when the environmental temperature of the load sensor varies, and a seat weight measuring apparatus using the load sensor. The sensor includes a plurality of strain gauges form a bridge circuit. The strai... | 06/06/2006 |
| 7021157 | System and method for testing a clamping force A system for testing a clamping force includes a lever, a base, and a sensor, The lever is coupled to a pivot and moves about the pivot. The lever includes a first end and a second end on opposites sides of the pivot. The base receives a first tip of a clamp and mai... | 04/04/2006 |
| 7009118 | Vehicle load weighing system and load cells for such systems The present invention relates to a load cell operable with a vehicle having a chassis and a container carried by the chassis, with the load cell supported by the chassis and supporting the container for measuring the weight of the container and any load therein, and... | 03/07/2006 |
| 7009119 | Weight scale control system and pad The present invention is directed to a weight scale having a control system that prompts users for their identity and then displays any one or more of: present weight, past weights, target weights and/or the differences therebetween, as well as a graphical represent... | 03/07/2006 |
| 6938501 | Semiconductor dynamic quantity sensor A semiconductor dynamic quantity sensor detects a dynamic force and a fault diagnosis through the use of a single bridge circuit. Sensor output terminals are connected to midpoints between gauge resistors to make a combination of the midpoints at which an equal elec... | 09/06/2005 |
| 6928886 | Arrangement for the detection of relative movements of two objects An arrangement for the detection of relative movements of two objects with four measuring cells as vertical measuring device for the detection of a relative movement perpendicular to an imaginary plane, with the measuring cells being arranged in such a manner that t... | 08/16/2005 |
| 6898988 | Integrated load cell system An integrated loadcell system, having a loadcell body having a leg connected to a spanning member, the leg having a transducer mounted thereto and a housing coupled to the loadcell body forming a wheatstone bridge circuit with the transducer; where an output of the ... | 05/31/2005 |
| 6826968 | Textile-like capacitive pressure sensor and method of mapping the pressure exerted at points of a surface of a flexible and pliable object, particularly of a sail A device for detecting the pressure exerted at different points of a flexible and/or pliable object that may assume different shapes, includes a plurality of capacitive pressure sensors and at least a system for biasing and reading the capacitance of the sensors. Th... | 12/07/2004 |
| 6658948 | Semiconductor dynamic quantity sensor A bridge circuit includes four gage resistors. Each gage resistor is divided into two division gage resistors. A couple of division gage resistors. The junction points between division gage resistors outputting the same potential when no pressure is appli... | 12/09/2003 |
| 6402635 | Apparatus and method for measuring reaction forces and weight shifts The force plate data acquisition system measures, processes and analyzes the vertical reaction forces and various weight shifts between the ground and a golfer's feet during a swing. Plates are supported on cantilever beams through ball bearings. The beam... | 06/11/2002 |
| 5964511 | Control method for antilock braking systems with stress sensor An antilock braking system using stress sensors installed in the wheel axle of a motor vehicle. The stress sensors measure a road surface frictional force, a vertical load, a road surface friction coefficient, a braking torque, and a side force. An arithm... | 10/12/1999 |
| 5905209 | Output circuit for pressure sensor A circuit is provided for scanning and outputting a pressure sensor having at least one sensor point which sensor point is formed at each intersection of at least one first electrode and at least one second electrode, there being a pressure sensitive resi... | 05/18/1999 |
| 5624474 | Optical fiber preform manufacturing apparatus which measures a vertical load with three cells An optical fiber preform manufacturing apparatus which continuously monitors the weight of a preform during manufacturing by a load cell without increasing the offset amount of the preform. The preform manufacturing apparatus includes a rotary chuck unit ... | 04/29/1997 |
| 5610343 | Balance with one or several wire strain gauge weighing cells It is suggested for a balance with one or several weighing cells (1-4, 31) with a total of at least eight wire strain gauges (D1 -D4, S1 -S4), four of which (D1 -D4) are expanded under load... | 03/11/1997 |
| 5608173 | Force measuring apparatus having electrically-insulated load bearing surfaces An electrical insulator having high mechanical strength is disclosed for use in connection with a force sensor body portion of a weld probe force gage. The force sensing body includes a pair of pockets for receiving a corresponding pair of welding electro... | 03/04/1997 |
| 5481199 | System for improving measurement accuracy of transducer by measuring transducer temperature and resistance change using thermoelectric voltages A constant current loop measuring system measures a property including the temperature of a sensor responsive to an external condition being measured. The measuring system includes thermocouple conductors connected to the sensor, sensing first and second ... | 01/02/1996 |
| 5371469 | Constant current loop impedance measuring system that is immune to the effects of parasitic impedances A constant current loop measuring system is provided for measuring a characteristic of an environment. The system comprises a first impedance positionable in the environment, a second impedance coupled in series with said first impedance and a parasitic i... | 12/06/1994 |
| 5369226 | Load shift compensation for weighing apparatus Load shift compensation of a strain gage load cell is accomplished by connecting a pair of fixed resistors in series across the output of a bridge circuit incorporating the load cell strain gages. The junction point between the series resistors is establi... | 11/29/1994 |
| 5327791 | Vehicle beam load measuring system A system for sensing the load on a load supporting beam of a vehicle. The system comprises an elongate sensor beam and means for releasably securing a pair of opposite end sections of the sensor beam to a load supporting beam of a vehicle. The sensor beam... | 07/12/1994 |
| 5210501 | Apparatus for processing sensor signals having switch-capacitor structures The arrangement serves to process sensor signals furnished by a sensor which when fed with a supply signal in response to the action of a physical measured quantity. The sensor generates a measuring effect representing the dependence of an electrical char... | 05/11/1993 |
| 5209483 | Transducing and analyzing forces for instrumented sporting devices and the like A device that characterizes the trajectory followed by a movable object after a piece of sporting equipment comes into contact with the movable object, e.g., by identifying velocity, the distance that the object would travel if unobstructed in standard id... | 05/11/1993 |
| 5197334 | Programmable compensation of bridge circuit thermal response The present invention provides compensation for temperature in a transducer by connecting the adjustment resistors to the transducer itself to provide a correct transducer output. A number of switches are used to couple the adjustment resistors to the tra... | 03/30/1993 |
| 5186042 | Device for measuring action force of wheel and device for measuring stress of structure Action force of a wheel is measured in order to measure the road surface frictional force, vertical drag, road surface friction coefficient, etc. Means for making these measurements can be constituents of an antilock brake system, traction control system,... | 02/16/1993 |
| 5184520 | Load sensor A load sensor is made of a load-sensitive element made preferably of an aluminum alloy, a bridge circuit with strain gauges made preferably of tantalum nitride and formed on the load-sensitive element, and two operational amplifiers with their non-inversi... | 02/09/1993 |
| 5165290 | Force transducer A transducer for converting an applied curvilinear force into an electrical output signal. The transducer includes a load cell that converts the input signal in the form of a curvilinear applied mechanical force into an electrical output signal that is pr... | 11/24/1992 |
| 5106492 | Solar powered swimming pool skimmer A swimming pool skimmer includes a paddle wheel that directs fluid and debris into a debris catcher. The paddle wheel is turned by a motor that is powered from an array of solar cells. A solar concentrator focuses solar energy onto the solar cells, and an... | 04/21/1992 |
| 5081437 | Semiconductor pressure sensor The pressure sensor is formed of semiconductor material which is formed on insulating support, i.e., as a semiconductor-on-silicon. The sensor is comprised of four piezoresistive gauges formed in the semiconductor material. Two of the gauges, each have a ... | 01/14/1992 |
| 5048343 | Temperature-compensated strain-gauge amplifier A temperature compensated strain gauge amplifier derives compensating signals for offset and gauge errors of bridge transducers from a single temperature sensing element. The amplifier is inexpensive to construct, provides a high degree of voltage lineari... | 09/17/1991 |
| 5027651 | Non-reversing load detector for a reciprocating element The detector has a pair of matched strain gauges bonded to a piston rod, one gauge being fixed parallel with the axis of reciprocation and one fixed transverse thereto. The former gauge is the active one, and the other is a dummy. Circuitry is coupled to ... | 07/02/1991 |
| 5022257 | Impulse sensor with amplitude calibration means An impulse sensor comprises a pair of planar Piezo electric elements respectively disposed on two opposite sides of a reference plane within a cavity of the container vessel on a plane adjacent to a deflective wall of the cavity, which deflective wall has... | 06/11/1991 |
| 5004058 | Weigh scale using multiple digital load cells A multiple load-cell weigh scale (10) is disclosed which provides for substantially enhanced accuracy and significantly greater convenience in compensating for load position. The preferred scale (10) includes a platform (12) supported by plurality of digi... | 04/02/1991 |
