Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 5296655 | Control system for multiple input scales The disclosed invention is a control system for the systematic testing, calibration, and operation of weighting apparatus having multiple inputs. The invention also provides a fault alarm. The system utilizes a summing network of resistors and switches to isol... | 03/22/1994 |
| 5285022 | Partial weight bearing scale A partial weight-bearing scale including a planar weighing surface and a fixed load supporting platform to one side of the weighing surface. The combination enables a user to stand on the support platform with one foot while applying measured pressure to ... | 02/08/1994 |
| 5174033 | Angle sensor for a steerable boring tool A roll sensor is provided for determining the roll angle of a rotatable member. The roll sensor includes a plurality of elements arranged in a predetermined manner, each element having a first state and a second state. A controller controls the respective... | 12/29/1992 |
| 5139100 | Point-of-sale scanner/scale system with scale activation of scanner A scanner/scale system in which power to the scanner light source and/or motor is triggered by a weight placed on the scale and in which the scanner is situated between the load assemblies of the scale and the scale platter is situated above the scanner.... | 08/18/1992 |
| 5112319 | Infusion alarm system An infusion alarm system comprised of a housing, an upper cover attached to the housing at the top, a control circuit set in said upper cover, a battery box set inside the housing and an inner shell set between the housing and the battery box, a tension s... | 05/12/1992 |
| 5076375 | Load cell A digital load cell includes a rocker pin, guided beam torsion ring or other counterforce, a circuit board mounted on the counterforce and an enclosure sealing the circuit board and all but the load bearing surfaces of the counterforce. The circuit board ... | 12/31/1991 |
| 5072798 | Crane scale load recording device A scale having a weight determining element having means to support the elements and means for engaging and suspending a load so that the weight of the load is measured, digital data storage within the weight determining element, a beam sensor in the weig... | 12/17/1991 |
| 5052504 | Sales data transmission system A sales data transmission system includes a sales data processor such as a scale of the type capable of calculating and displaying a sales price from a unit price and a measured weight, a communication device which is made a part of this data processor an... | 10/01/1991 |
| 5014798 | Patient compliance medicine cap The present invention is directed to a cap for a medicine bottle for monitoring a patient's medicine compliance. It involves weighing a container of medicine with cap which includes scale means located therein which is connected to a computer chip with a ... | 05/14/1991 |
| 4883200 | Thermoplastic melting apparatus with a level indicator A thermoplastic melting apparatus comprises a tank pivotally mounted upon bearings within the interior of a housing having a top cover. An electrical or mechanical level indicator device is mounted exteriorly of the tank which is effective to sense pivota... | 11/28/1989 |
| 4638875 | Blending system weighing unit A fiber blending system includes a number of feeders which dump fibers onto a conveyor. Each feeder includes a weigh pan into which fibers are fed. The weigh pan is pivotally mounted to the feeder and counterbalanced. Also connected to the weigh pan is a ... | 01/27/1987 |
| 4635739 | Payload monitor An apparatus determines the payload carried in a work vehicle by periodically measuring the pressure of a fluid contained within front and rear suspension struts. The struts are connected in supporting relation between a load carrying portion and a ground... | 01/13/1987 |
| 4630696 | Apparatus and method for automatic system calibration to provide enhanced resolution in computerized weighing systems An apparatus and method for calibrating an automatic weighing machine is provided, having means for maintaining the value of an electronic signal indicative of tare weight within a predetermined range of an ideal value in order to ensure adequate signal r... | 12/23/1986 |
| 4619336 | Method of and apparatus for weighing doses of powder Method of and apparatus for dosing powders by weight. To introduce a weight of powder with a predetermined final value P3 into a weighing receptacle, the functioning of mechanism for positively feeding the powder to the receptacle is controlled... | 10/28/1986 |
| 4576244 | Dieter's weighing scale A talking electronic scale for encouraging the use of and adherence to a preset diet program is disclosed. A user on the scale actuates a mechanism whose movement is transformed to electrical pulses to provide a digital readout of his present weight on a ... | 03/18/1986 |
| 4539560 | Bed departure detection system The disclosure relates to bed departure detection devices employing tape switch detectors in fixed positions in the seat and thigh sections of the mattress supporting structure of an articulated hospital bed. Bedside circuitry, connected to existing nurse... | 09/03/1985 |
| 4524839 | Apparatus for monitoring tare weight in a fiber blending line An apparatus for selecting between a mechanical or electrical mode for controlling the flow of fibers by motor driven feed lift aprons from a plurality of hoppers to a plurality of weigh pans for producing a predetermined blend of fibers. The mechanical m... | 06/25/1985 |
| 4492279 | Infant health monitoring system A scale for weighing infants using four cantilever beams supporting a platform with a strain gauge on each beam. The strain gauges are connected in a Wheatstone bridge circuit to provide a voltage signal which is independent of the location of the infant ... | 01/08/1985 |
| 4456084 | Vehicle load monitoring system A system for monitoring the load carried by a vehicle includes a plurality of load cells, each extending between the load bed and the unsprung portion of the vehicle suspension. Each load cell includes an hydraulic cylinder which generates an hydraulic fo... | 06/26/1984 |
| 4454831 | Watering indicator for hanging plants A watering indicator for hanging plants, with two support elements (e.g., an upper hook attached to a tubular housing and a lower hook integral with a rod extending into the housing), a spring resisting separation of the support elements (e.g., located wi... | 06/19/1984 |
| 4428125 | Inclination indicating apparatus A conventional mining bore hole drill assembly having a drill mounted on a boom wherein the orientation of the drill and boom with respect to the mined material is readily adjustable. First and second inclination detectors are mounted on the boom with eac... | 01/31/1984 |
| 4417236 | Overload detecting device An overload detecting and alarm device for hydraulic jack comprises an electronic alarm device and a pressure sensitive switch member connected with the electronic alarm device. The pressure sensitive switch member is inserted into the body of the hydraul... | 11/22/1983 |
| 4402391 | Selective scrap metal collection apparatus Unmanned apparatus for collecting scrap aluminum cans and for compensating depositors of scrap aluminum cans based on the weight of the aluminum cans deposited including a microprocessor control structure which produces control signals to control the oper... | 09/06/1983 |
| 4366873 | Electronic scale for use in a weight control program An electronic scale for use in a weight control program in which the weighing histories and desired weight goals for each of a number of individuals are stored. A weigh signal is produced when an individual steps onto the platform of the scale, and the we... | 01/04/1983 |
| 4325441 | Error alarm system in a combined electronic weighing scale and electronic cash register An electronic cash register electrically communicates with an electronic weighing scale. An interface circuit is included in the electronic cash register for introducing weight information data from the electronic weighing scale into the electronic cash r... | 04/20/1982 |
| 4192394 | Alarm system for platform scale To prevent inaccurate weighing on a platform scale in the event that a driver of a motor vehicle has purposefully or inadvertently positioned his vehicle with one or more of the vehicle wheels located off of the weighing platform, the platform scale is pr... | 03/11/1980 |
| 4113039 | Body weight measuring apparatus A body weight measuring apparatus, comprising a scale mechanism adapted to be displaced in accordance with the body weight of a person on the scale mechanism, means for converting the displacement amount of said scale mechanism into an electrical pulse tr... | 09/12/1978 |
| 4102262 | Apparatus for loading refuse into containers The present disclosure involves a refuse loading station comprising a refuse packer assembly, a refuse container and a loading dock disposed in front of the packer assembly. The loading dock includes a track arrangement on which is mounted a loading carri... | 07/25/1978 |
| 4078623 | Scaling device for an elevator car A scaling device for weighing load applied on an elevator car floor to prevent overloading operated by detecting the amount of deformation of rubber insulators mounted under the car floor. Load detecting beams are provided under the car floor to detect the ... | 03/14/1978 |
| 4068773 | Lift vehicle with fail-safe overload protective system An overload protective system continuously monitors the forward overturning moment on a counterbalanced lift truck and prevents further raising of the carriage or further forward tilting of the mast when the overturning moment is excessive. Resistance str... | 01/17/1978 |
| 3977567 | Intravenous alarm device Apparatus for actuating an alarm to alert medical personnel that an intravenous fluid has been fully administered to the quantity ordered by the attending physician. A liquid dispensing container secured to one side of a balance arm with a counterweight s... | 08/31/1976 |
| 3974889 | Axle weighing of road vehicles In a wheel cleaner for the cleaning of truck wheels solely by centrifugal action, a weigh beam is incorporated whereby the individual axle loadings and the total weight of the truck can be determined. At the center of a wheel cleaner frame that is set int... | 08/17/1976 |
| 3958527 | Automatic product depletion indicator The indicator of this invention comprises a product "empty" signal means actuated responsive to the product container achieving an empty condition, automatically actuating the empty signal means, to provide a visual empty signal, so that the user will be ... | 05/25/1976 |
