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"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 4513585 | Hot water system using a compressor Increased efficiency for heating water with a conventional electric water heater tank is obtained with a unit which may be placed next to the side of the hot water tank and readily connected thereto. More specifically, the preferred unit fits along the ve... | 04/30/1985 |
| 4477847 | Television signal disc drive recorder Apparatus is disclosed for selectively prohibiting certain recording operations in a recording and reproducing machine that has generally random accessibility to a plurality of separate portions of information, such as still images recorded on separate tr... | 10/16/1984 |
| 4420023 | Device for collecting heavy oil and transferring it to suitable container An apparatus collects a leaking viscous liquid, such as grease from a bearing, and then transfers it under pressure for reuse or for reclaiming. The apparatus has an open top collector or head tank which may be positioned under the source of the leak. Aft... | 12/13/1983 |
| 4409344 | Low shrink unsaturated polyester resinous composition A low shrink unsaturated polyester based upon propylene glycol terephthalate reacted with a dibasic acid or anhydrides thereof and glycols and mixing the polyester with a filler, fibrous reinforcing agent and catalyst.... | 10/11/1983 |
| 4399573 | Reinforced box spring frame A base frame for a box-spring which is reinforced by longitudinal beams secured to the upper surfaces of the cross slats within the spring assembly.... | 08/23/1983 |
| 4397397 | Moisture tight closure and container systems A moisture proof vial and closure system are provided which may be used in a child-resistant mode or in a non-child resistant mode. In the child resistant mode locking lugs 22 on the closure are interlocked with bayonnet slots on the vial. A non-child res... | 08/09/1983 |
| 4396591 | Recovery of hydrogen iodide A method of extraction of HI from an aqueous solution of HI and I2. HBr is added to create a two-phase liquid mixture wherein a dry phase consists essentially of HBr, I and HI and is in equilibrium with a wet phase having a far greater HBr:HI r... | 08/02/1983 |
| 4393357 | High speed transient recorder systems CCD methods and devices for recording transient data signals, in which charge is transferred under the influence of transmission line fields at sampling sites disposed along a charge transfer channel.... | 07/12/1983 |
| 4392376 | Method and apparatus for monitoring borehole conditions A method and apparatus is disclosed for monitoring flow conditions in boreholes or the like wherein a test interval is defined by a packer system and contains a substantially incompressible fluid or liquid making it difficult to conduct measurements from ... | 07/12/1983 |
| 4388562 | Electronic ballast circuit An electronic ballast circuit for powering a plurality of fluorescent lamps or the like from an unsmoothed DC voltage source includes a sine wave converter operatively connected to receive said DC voltage, for generating a high frequency alternating volta... | 06/14/1983 |
| 4386363 | Chroma key switching signal generator A wideband chroma key switching signal is generated from lower bandwidth chrominance signals in a video signal by first conventionally generating a chroma key switching signal from these chrominance signals, and then detecting high frequency transition co... | 05/31/1983 |
| 4386074 | LRF Antagonists Peptides which inhibit the secretion of gonadotropins by the pituitary gland and inhibit the release of steroids by the gonads. Administration of an effective amount prevents ovulation of female mammalian eggs and/or the release of steroids by the gonads.... | 05/31/1983 |
| 4385360 | Computer-controlled reproduction device A computer-controlled reproduction device is described for recreating a 3-dimensional image representative of a subject image in a permanent medium such as a sheet of transparent plastic. Digital signals representative of the subject image are stored in t... | 05/24/1983 |
| 4382966 | Animal feed suspension and method of making the same A new animal feed suspension including method for its preparation, where xanthan gum stabilizes the suspension such that an excess of 20% by weight insoluble nutrients are held suspended therein.... | 05/10/1983 |
| 4382568 | Airplane spreader apparatus A spreader unit is provided for connection to a hopper carried in an airplane for spreading granular material at a controlled rate of flow. A moveable gate on the spreader is moveable between a closed position covering a discharging opening through which ... | 05/10/1983 |
| 4381795 | Diverter valve construction and method of making same A diverter valve construction for controlling flow therethrough of a high temperature fluid and method of making same are provided wherein the valve construction comprises a metal housing, a refractory lining for substantially the entire inside surface of... | 05/03/1983 |
| 4380246 | Butterfly valve and method of making same A butterfly valve for controlling flow therethrough of a high temperature fluid and method of making same are provided wherein such valve comprises an outer metal housing, a ceramic lining carried by the housing and defining a fluid flow passage through t... | 04/19/1983 |
| 4379696 | Latex mylar chip A paint display product is disclosed which comprises a Mylar film base which will provide a high gloss finish to the paint when viewed through the base to the paint.... | 04/12/1983 |
| 4379170 | Process for manufacture of cheese A process is provided for the manufacture of cheese and cheese like products from an edible protein-fat-salts composition which is substantially free of fermentable sugars and in which the protein and salts are capable of forming a stable matrix for the f... | 04/05/1983 |
| 4378550 | Process for forming ignition cable core and product of the process A process for forming ignition cable core and a product of the process are described wherein multiple strength filaments are individually coated with an electrically conductive, curable elastomeric material, a common overcoating surrounding the mixture, t... | 03/29/1983 |
| 4377574 | Contraceptive treatment of male mammals Peptides which are LRF analogs that inhibit the secretion of gonadotropins by the pituitary gland and inhibit the release of steroids by the gonads can be effective contraceptives when administered to male mammals. The peptides are LRF antagonists having ... | 03/22/1983 |
| 4377482 | Mobile phase for liquid chromatography A mobile phase for use in reversed phase high performance liquid chromatography. The mobile phase is a mixture of a polar organic solvent selected from acetonitrile and methanol and an aqueous solution of a salt of a tertiary amine and phosphoric acid or ... | 03/22/1983 |
| 4377402 | CO2 Snow-making process Preparatory to its supply to snow horns, high-pressure liquid CO2 flows through a heat-exchanger where it is cooled by R-13 refrigerant, reducing the temperature of the high-pressure liquid to about -60° F. at normal use rates. R-13 refrigeran... | 03/22/1983 |
| 4375534 | Method of making a contact lens material and a lens therefrom A new and improved contact lens is provided and is made by a process which uses a distillation step with an addition of a carbon decolorizing agent to the solution being distilled. The carbon decolorizing agent prevents curdling and removes impurities in ... | 03/01/1983 |
| 4374555 | Carrying case with guards The present invention relates to a carrying case, and more particularly to a carrying case adaptable for carrying relatively heavy items. Guards of rigid material disposed on end shells of the case cooperate synergistically with rivet assemblies to provid... | 02/22/1983 |
| 4374608 | Fiber optic cable A fiber optic cable and method for making same wherein the cable includes at least one elongate fiber optic element, a nonmetallic tubular shield disposed substantially coaxially along the length of the fiber optic element, and a nonmetallic braided stren... | 02/22/1983 |
| 4373545 | Double block and vent valve A valve has an upper region connectable to a first piping system, a lower region connectable to a second piping system and an intermediate passageway therebetween which is opened and closed by a valve member which is reciprocated by an overhead actuator. ... | 02/15/1983 |
| 4373216 | Heart valves having edge-guided occluders Heart valves having valve members which are guided between their open and closed positions by projections extending inward from the annular body and interengaging with complementary notches in the peripheries of the occluders. Protuberances associated wit... | 02/15/1983 |
| 4374299 | Triboelectric transducer cable Two embodiments of a triboelectric transducer cable for generating a signal in response to movement or deformation of the cable each include multiple insulated central conductors, a semi-conductive wrapping separately surrounding each of the insulated cen... | 02/15/1983 |
| 4373727 | Variable speed gaming device An improved amusement or game device is disclosed which is of the type that has a number of rotatable reels having symbols or other indicia on the outer surface thereof, which reels are rotated and subsequently preferably sequentially stopped during each ... | 02/15/1983 |
| 4373345 | Ice-making and water-heating Useful heat from an ice-maker is efficiently recovered and employed to heat water without any significant increase in the energy normally expanded in making ice. During ice-making, liquid refrigerant from a high-pressure receiver is expanded and supplied ... | 02/15/1983 |
| 4372884 | Pharmaceutically active peptides Various peptides are described which inhibit the secretion of growth hormone by the pituitary gland and inhibit the release of glucagon and insulin by the pancreas.... | 02/08/1983 |
| 4372073 | Fishing tackle storage apparatus An improved fishing tackle storage apparatus having a lure mounting pad fabricated from a sheet of foamed elastomeric material adapted for detachably receiving the hook of a hook-type fishing lure and having a protective cover flap substantially resistant... | 02/08/1983 |
| 4371164 | Projected gaming method and apparatus A projected gaming method and apparatus including a projector, a screen, one or more three-dimensional games and display apparatus, such as a pin ball game and display, a game changer device, a game selector mechanism and player control units. Each interc... | 02/01/1983 |
| 4371188 | Method for programmed release in ski bindings A method for achieving programmed release ski bindings include formulation of biomechanical models and associated equations for determining release criteria in order to minimize selected types of lower extremity ski injuries. Analog and digital control ci... | 02/01/1983 |
| 4369636 | Methods and apparatus for reducing heat introduced into superconducting systems by electrical leads Methods and apparatus are provided for minimizing heat introduced by electrical leads into the cryogenic liquid in which a superconducting magnet is immersed. The electrical leads have normal portions extending from exterior of the cryogenic liquid contai... | 01/25/1983 |
| 4369443 | Message communication system with message storage A transmission system develops a binary encoded data train having a message and a header preceding the message. The data train is applied to a carrier frequency to modulate the carrier using FSK techniques. The header includes synch signals, one or more a... | 01/18/1983 |
| 4369398 | Method and apparatus for monitoring vibrating equipment An apparatus and method for detecting overstroke, understroke and/or overspeed, underspeed conditions in vibratory equipment includes a vibratory member mounted on the equipment to vibrate therewith and to operate solid-state switches over a large number ... | 01/18/1983 |
| 4369355 | Lens case and heating unit A contact lens bathing case, in which a pair of contact lenses is sealed with a cleaning and disinfectant solution, and a heating unit, for receiving and heating the filled case therein, cooperate to eliminate leakage problems, i.e. loss of solution, asso... | 01/18/1983 |
| 4368591 | Seed having high opacity coatings Seeds are coated with an active ingredient and between 0.035 and 1.80 g. of titanium dioxide per kg. of seed in either the rutile or anatase form. The titanium dioxide serves, in conjunction with a coloring agent, to provide a bright, opaque coating to th... | 01/18/1983 |
