Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 5305808 | Apparatus and method for inserting cylindrically shaped food product into container A device for loading dough into cylindrical containers is disclosed. A first conveyor is provided which delivers a plurality of cylindrical containers to a receiving surface which is declining with respect to the horizontal. The containers are oriented su... | 04/26/1994 |
| 5305447 | Multi-task operating system for a disc drive A multi-task system employs a single interrupt occurring at fixed time intervals to initiate the control functions. The actuator control, servo control and spindle control routines are operated on a priority basis so that if a control function having a hi... | 04/19/1994 |
| 5305442 | Generalized hierarchical architecture for bus adapters A top state controller controls a bus adapter to a selected master or slave top state in response to a command on a local or system bus during a dispatch state of the bus adapter. The bus adapter remains in the selected top state until the command is comp... | 04/19/1994 |
| 5303105 | Shape memory alloy for centering a transducer carried by a slider in a support arm over a track on a magnetic disk An apparatus positions a transducer, carried by a slider, over a track on a magnetic disk. An arm has a first end for attachment to an actuator for rotating the arm and a second end for attachment to the slider. The arm also has an arm portion extending b... | 04/12/1994 |
| 5300071 | Pelvic stabilizer A pelvic stabilizer for quickly stabilizing fractures of the human pelvis and preventing excessive blood loss. The pelvic stabilizer comprises first and second curved arms which are rotatably attached to each other at first ends by an adjustable locking m... | 04/05/1994 |
| 5300099 | Gamma matched, helical dipole microwave antenna A catheter shaft carries a coaxial cable, the terminal end of which contains a dipole antenna with opposing first and second helical elements. The first and second helical elements originate from a common connection to an outer conductor of the coaxial ca... | 04/05/1994 |
| 5297468 | Railgun with advanced rail and barrel design A railgun apparatus for accelerating a projectile having a conductive region. The railgun comprises a power supply for providing a current impulse and at least two elongate generally parallel rails. The rails include a first layer comprising a highly cond... | 03/29/1994 |
| 5297371 | Joint framework for building units In a joint formwork for glass building units, which consist of a plurality of glass units, in particular glass blocks, which are connected by reinforced mortar or concrete joints which are covered on at least one side by outer frames which enclose the gla... | 03/29/1994 |
| 5296645 | Liquid toner developing module for electrographic recording A developing module for depositing liquid toner on an imaging surface of a photoconductive member includes a development electrode. The development electrode is supported by a shroud which includes a toner supply passageway. The supply passageway is coupl... | 03/22/1994 |
| 5294039 | Plated compliant lead A curved lead provides a mechanical and electrical connection between a board contact on a circuit board and a chip contact associated with a circuit chip. The chip can be mounted to the circuit board, to a chip carrier or to a multiple-chip module. The c... | 03/15/1994 |
| 5293228 | Method for the coding of color images at high compression rate without filtering, corresponding decoding method, coder, decoder and applications A method for the coding of images represented by source signals by means of which a luminance signal is formed by linear combination, using positive coefficients of the source signals, and at least one color signal, the luminance and color signals being d... | 03/08/1994 |
| 5291347 | Write driver with H-switch synchronizing transistors A write driver for driving a transducer in a storage system. The write driver includes first and second supply terminals and a H-switch for switching current flow through the transducer between a first direction and a second direction, opposite to the fir... | 03/01/1994 |
| 5291036 | Amorphous silicon sensor A photosensor device includes doped and undoped hydrogenated amorphous silicon layers adjacent each other and sandwiched between a conductive layer on one side and a metal layer on the other side with the sensor having been annealed under a hydrogen atmos... | 03/01/1994 |
| 5289188 | High resolution radar system for high speed and satellite vehicles A radar system mounted on a satellite is scanned to provide surveillance of large areas such as the oceans. The transmitter oscillator generates bursts in the frequency range from about 20-250 megacycles. A receiver detects signals reflected from objects ... | 02/22/1994 |
| 5287657 | Skate sharpening machine and method A machine for sharpening skates that can be operated by an individual through a coin-operated or credit card operated input, permits a person that wants skates sharpened to place the skate into the machine and have it automatically sharpened in a manner t... | 02/22/1994 |
| 5288373 | Process of removing cyanide from waste water A process for removing cyanide from liquid waste by electrolysis is disclosed. The method includes combining waste water and NaCl to an electrolyser cell, the cell having positive and negative electrode plates. The NaCl concentration in the cell is mainta... | 02/22/1994 |
| 5287231 | Write circuit having current mirrors between predriver and write driver circuits for maximum head voltage swing A write circuit for driving a magnetic head in a magnetic storage system which greatly improves the voltage swing across the magnetic head. The write circuit includes data input for receiving data input signals, a predriver current source, a predriver cir... | 02/15/1994 |
| 5285942 | Ski carrier A ski carrier for alternatively transporting skis by manual carrying by a vehicle mounting the ski carrier therein, or by a common carrier. The ski carrier has a case having a cover portion and a holder portion, and an end cap positionable over an opening... | 02/15/1994 |
| 5287227 | Track dependent variable level qualification pulse detector A pulse qualification apparatus and method provides for qualifying signal pulses from a raw data signal by comparison to a variable qualification level. Pulse qualification is done on a read signal developed by moving a magnetic transducer relative to add... | 02/15/1994 |
| 5286419 | Process for making a light polarizing spectacle lens A process for making a light polarizing spectacle lens and the light polarizing spectacle lens product. The process includes drying a polarizing film at approximately 140-160° F. for approximately 2-2 hours in order to drive out any transport media from ... | 02/15/1994 |
| 5286046 | Geriatric chair A geriatric chair provides easy patient entry and exit and a stable restraint-free environment for a patient seated in a chair while left unattended. The chair includes a floor engaging foot rest portion disposed forwardly of the fulcrum member and a rear... | 02/15/1994 |
| 5283991 | Sandblasting method and a moist-sand blasting apparatus The invention relates to a sandblasting method using abrasives, such as untreated sands and in particular river and quarry sands, the abrasive and water being fed to a pressure tank (1a), a flowable water-abrasive mixture being produced in the pressure ta... | 02/08/1994 |
| 5284052 | Moisture gauge A rain gauge for collecting and measuring precipitation and capable of measuring the amount of collected precipitation that has evaporated. The rain gauge is also capable of measuring precipitation during an interim period of time without discharging the ... | 02/08/1994 |
| 5283441 | Low-power current mirror having feedback with optical isolation An optically isolated current mirror provides an isolated output signal as a function of an input signal. The mirror includes first and second optical isolators and an amplifier. The amplifier is connected to the first and second optical isolators in a vo... | 02/01/1994 |
| 5282094 | Current mirror having a base current compensation circuit with a compensation mirror and a voltage clamp A base current compensation circuit is configured for connection to a first current mirror that has lost base current. The compensation circuit includes a compensation mirror coupled in a feedback loop to the first current mirror. A current sensing transi... | 01/25/1994 |
| 5281113 | Thick materials pump with paired, preferably parallel feed cylinders which alternatingly deliver and intake In a thick materials pump with paired, preferably parallel, feed cylinders, which alternatingly deliver and intake, and with a slide, which pivots on the axis of a central channel and, for each pair of feed cylinders, connects, by way of a branch channel,... | 01/25/1994 |
| 5281971 | Radar techniques for detection of particular targets A radar system is capable of detecting and classifying rotating targets such as rotating antennas. Particularly, unfriendly radar installations can be detected and classified by a synthetic aperture radar system, which may be carried by an aircraft. The r... | 01/25/1994 |
| 5279697 | Device for forming flexographic printing plate A device for forming a flexographic printing plate is disclosed. A preformed, imagewise irradiated sheet of film is heat treated by the device of the present invention to remove unwanted portions of a top layer, leaving radiation hardened relief images on... | 01/18/1994 |
| 5279240 | Floating oil/gas production terminal The disclosure relates to a floating oil/gas production terminal comprising a multi-hull vessel having a plurality of vertically spaced barge form hulls interconnected together to form a unitary structure including an upper hull which floats the vessel an... | 01/18/1994 |
| 5279859 | Method for coloring fabric with crayon A process for making a crayon that permanently colors fabric. The process includes combining Carnauba wax, a mixture containing triglycerides, stearic acid, and a coloring agent to form a crayon. The crayon of the present invention forms a bright, permane... | 01/18/1994 |
| 5279698 | Apparatus for securing a mailing brochure in a folded state A device for applying a fastening tab to an open edge of a folder mailing brochure to hold the brochure in a folded state including a feed mechanism, a drive assembly, and an application mechanism. The feed mechanism removes fastening tabs from a supply o... | 01/18/1994 |
| 5276954 | Slide mounter A slide mounter where a photographic film transparency is advanced to an operation station and is cut from a photographic film web and punch holes are punched. The cut and punched film transparency is then inserted into a slide mount at an insertion stati... | 01/11/1994 |
| 5277294 | Method and apparatus for transferring objects between conveyors A method and apparatus for transferring products from one conveyor to another. Guide rails direct products into substantial contact with a push bar. The push bar pushes the products from one conveyor belt to another conveyor belt in a smooth and efficient... | 01/11/1994 |
| 5277285 | Electrical vehicle transporation system A transportation system for use with a roadway including conductive sections on the roadway so that electric vehicles having contact members thereon may contact the conductive sections. The sections extend in the direction of travel along the roadway and ... | 01/11/1994 |
| 5277925 | Process of making misted microwavable pancakes A process for improving the tenderness of cooked pancakes that are microwaved. The process includes applying water to the cooked pancake so that the moisture of each pancake is increased by about 6%-to-12% to about 45%-to-52% by weight.... | 01/11/1994 |
| 5278700 | Differentiating amplifier responsive to track locations and variations of element values from desired values An amplifier is compensated for variations in element values. A trim signal is generated based on element values of filter elements of a filter in the amplifier. An RC product in the amplifier is controlled based on the trim signal. The RC product corresp... | 01/11/1994 |
| 5275249 | Raisable hood plate mechanism A raisable hood plate mechanism for a vehicle hood comprises a pair of large plates laterally spaced in separate centered openings on opposite sides of the hood. The plates are pivotable along front edges and raisable at rear edges to provide rear-facing ... | 01/04/1994 |
| 5272992 | Injection apparatus for injecting slurries/liquids into the ground The disclosure relates to an apparatus for injecting slurry/liquid into the ground comprising a chassis (11, 12), a plurality of injectors (39) mounted on the chassis for penetrating and delivering slurry into the ground and means (55) mounted on the chas... | 12/28/1993 |
| 5273650 | Ceramic filter A water filter cartridge for use in a water filtration system comprises a generally cylindrical ceramic pre-filter having a chamber containing a purification resin. An exit cap having a porous disc therein is attached at a first end of the pre-filter. Wat... | 12/28/1993 |
| 5274207 | Induction heater An induction heater for heating a material is described which has an alternating current carrying conductor 30 extending along an axis of rotation. Mounted about the axis are containers 32 which rotate about the axis and hold the material to be heated. A ... | 12/28/1993 |