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 |
| 4566010 | Processing arrangement for pulse compression radar An arrangement is shown to process mainlobe echo signals and range sidelobe signals in the receiver of a pulse compression radar by first converting such signals to a set of digital numbers and then correlating, number by number, such set with a set of re... | 01/21/1986 |
| 4562380 | Tilt-angle electron gun A tilt-angle electron gun provides a conical beam of electrons for injection into an axially aligned magnetic field of a gyrotron tube. The beam is formed by an electrostatic lens system for focussing and accelerating the electrons within a magnetically s... | 12/31/1985 |
| 4561070 | Integrated circuit memory An integrated circuit memory is provided wherein an array of memory elements is addressed by a decoder circuit responding to an address signal. The decoder circuit includes a plurality of sections, each one thereof being used to address a different sectio... | 12/24/1985 |
| 4559537 | Method of tracking target in presence of clutter A method of operating a Doppler radar to track a target when main beam clutter is present is shown to comprise the steps of: (a) forming, from all signals exceeding a predetermined amplitude that are received by the pulse Doppler radar during a predetermi... | 12/17/1985 |
| 4557118 | Crisper humidity control A refrigerator having a crisper pan with a back passageway that is always open and a front passageway that is adjustable so that the operator can adjust the amount of flow through ventilation to control the humidity in the pan. The lid for the pan also fu... | 12/10/1985 |
| 4558282 | Digital frequency synthesizer A digital frequency synthesizer is provided for producing a signal having a predetermined frequency. Such system includes: a computer for calculating the residue of the frequency to be synthesized modulo a predetermined frequency, fLO, and the ... | 12/10/1985 |
| 4555678 | Microwave oscillator An improvement in a microwave oscillator using a GaAs FET as the active element is shown to include a phase detector responsive to a portion of the positive feedback signals applied to a resonator having a high Q and to a portion of the signals out of the... | 11/26/1985 |
| 4554549 | Microstrip antenna with circular ring A radar antenna is shown in a first embodiment to have a ground plane and a feed line on opposite sides of a dielectric sheet and a ring-shaped antenna element on another dielectric sheet to form a microstrip assembly wherein such antenna element is capac... | 11/19/1985 |
| 4548501 | Laser gyroscope system A four-frequency laser gyroscope system having improved accuracy is constructed using a single solid block of low thermal coefficient of expansion material. A four-segment nonplanar propagation path provides a first frequency splitting. A second splitting... | 10/22/1985 |
| 4547803 | PPI To raster display scan converter A raster display apparatus for converting radar input data which is formatted to produce a Plan Position Indicator (PPI) presentation on a cursive display to a format which achieves a PPI type image on a raster display. The apparatus generates radar image... | 10/15/1985 |
| 4546225 | Bearing support for microwave oven antenna A microwave oven having a low friction bearing support for a rotatable microwave feed assembly which includes a primary radiating antenna axially coupled to a cylindrical metal stub that vertically extends from the microwave cavity through an aperture int... | 10/08/1985 |
| 4542708 | Composite cable fairing A fairing segment for a cable is of composite construction which combines an elastomeric fairing body with a flexible spring-steel clip in the fairing nose. The elastomeric body allows the fairing nose to conform to the cable catenary in the flow stream, ... | 09/24/1985 |
| 4543535 | Distributed power amplifier A distributed power amplifier includes a plurality of field effect transistors (FETS), each one of such FETS having gate, drain and source electrodes, such FETS having cascaded gate electrodes and cascaded drain electrodes successively coupled between an ... | 09/24/1985 |
| 4543543 | Magnetically tuned resonant circuit A magnetically tuned resonant circuit for selectively coupling radio frequency (r.f.) energy between an input coupling circuit and an output coupling circuit through a resonant body disposed between such coupling circuits. Each coupling circuit includes a... | 09/24/1985 |
| 4539819 | Reversible meat keeper for refrigerator A refrigerator having a reversible cold air meat keeper for providing convenient access thereto regardless of the side of the refrigerator that the doors are hinged. The cold air is channeled into a plenum behind the back wall of the refrigerator compartm... | 09/10/1985 |
| 4539657 | Memory system Apparatus for storing a periodic signal and for recycling complete cycle portions of such stored periodic signal is provided, such apparatus comprising: means for converting an input sinusoidal signal into a corresponding first train of pulses; means for ... | 09/03/1985 |
| 4535610 | Apparatus and control for tilt-out washer A top loading clothes washer adapted for installation under a fixed or stationary upper structure such as a stacked dryer or countertop wherein the washer is pivotable to a forward tilt-out position providing access to its top. The bottom front of the was... | 08/20/1985 |
| 4536685 | Control for gimballed monopulse antenna arrangement An arrangement for determining the rotational position of the rotor of an electrical gyroscope is shown to include: (a) at least one sensor including a Hall effect crystal having a rotating magnetic field applied thereto, such field being synchronous with the ... | 08/20/1985 |
| 4536469 | Semiconductor structures and manufacturing methods A plurality of microwave semiconductor devices is provided by plating a thin heat sink layer on a surface of a wafer of semiconductor material, masking selected portions of the heat sink layer, and plating unmasked portions of the heat sink layer to form ... | 08/20/1985 |
| 4534188 | Tilt washer with automatic lid A top loading clothes washer adapted for installation under a fixed or stationary upper structure such as a stacked dryer or countertop wherein the washer is pivotable to a forward tilt-out position providing access to the top and wherein a washer lid in ... | 08/13/1985 |
| 4535302 | Microwave amplifier An improved microwave amplifier is shown to comprise an IMPATT diode in a coaxial circuit coupled to a section of double-ridged waveguide forming a resonant cavity with a low Q, such cavity in turn being coupled to outside circuitry through a compound iri... | 08/13/1985 |
| 4535286 | Radio frequency receiver A radio frequency receiver wherein received signals are directed to a mixer through a pair of signal channels, the bandwidth of one of the pair of signal channels being a selected narrow portion of the bandwidth of the other one of the pair of signal chan... | 08/13/1985 |
| 4535307 | Microwave circuit device package A microwave circuit device package including a conductive housing and selectively interchangeable transmission line sections each one thereof being disposable in such housing and means for tuning and matching the impedance of the disposed transmission lin... | 08/13/1985 |
| 4532704 | Dielectric waveguide phase shifter A non-reciprocal latching phase-shifter uses a slab of a high-dielectric constant material embedded in ferrite to substantially concentrate the electromagnetic energy within the dielectric slab, thus eliminating the need for a conductive waveguide, and to... | 08/06/1985 |
| 4533094 | Mortar system with improved round An improved round for a mortar is shown to include a streamlined, jettisonable nose covering a hemispherical infrared (I.R.) dome incorporated in a gyroscopically stabilized I.R. seeker, deployable wings and a jet control arrangement; during the initial p... | 08/06/1985 |
| 4531468 | Temperature/pressure compensation structure A bladder shaped to conform to the form of the sonar transducer housing of a torpedo in which it is located compensates for volume changes because of temperature changes of the oil which fills the transducer housing. The bladder also compensates for the c... | 07/30/1985 |
| 4531799 | Electrical connector A pneumatically controlled electrical test connector contains spring loaded pins whose ends are brought into electrical contact with the opposing ends of corresponding connector pins of an electronic module. The pins of the pneumatically controlled connec... | 07/30/1985 |
| 4532484 | Hybrid coupler having interlaced coupling conductors A radio frequency circuit for coupling radio frequency (r.f.) energy between an input port and a pair of output ports with an isolation port being provided for reflected energy. The circuit includes a pair of strip conductors, each one thereof having firs... | 07/30/1985 |
| 4531131 | Ridged waveguide antenna with concave-shaped sidewalls A radio frequency antenna comprising a rectangular waveguide having opposing relatively concave-shaped narrow side wall portions extending from a rear wall of the waveguide structure to an aperture of the antenna element. The separation between the sidewa... | 07/23/1985 |
| 4527049 | Microprocessor controlled electric range A microprocessor controlled electric range having a solid state switch selectively associated with each surface heating element and a solid state switch in series and common to the circuits of each of the selectively associated switches. Each of the switc... | 07/02/1985 |
| 4526020 | Tiltable washer A top loading clothes washer pivotally supported so that it can be installed underneath a stationary structure and tilted forward for loading and unloading clothes. The pivotal support is provided by a stable base which also includes apparatus such as a h... | 07/02/1985 |
| 4525919 | Forming sub-micron electrodes by oblique deposition A method for forming a field effect transistor having a submicron gate length. A gate electrode is formed by angularly depositing metal through an aperture formed in a thick masking layer. A substrate upon which the gate electrode is to be formed is place... | 07/02/1985 |
| 4527115 | Configurable logic gate array A configurable logic gate array having an array of logic gates adapted for selective electrical interconnection to provide a predetermined logic function on a plurality of input logic signals fed to the configured gate array and produce such predetermined... | 07/02/1985 |
| 4525028 | Enhanced magnetic mirror A magnetic mirror for producing enhanced circular birefringence comprises a thin, semi-transparent film of magneto-optical material deposited on a reflective substrate and having a mangetic field perpendicular to the plane of the film. The magneto-optical... | 06/25/1985 |
| 4524588 | Air conditioner with improved fresh air path An air conditioner having an improved fresh air path from the outward compartment into the evaporator blower wheel. The evaporator blower motor is mounted on the outward side of the main partition and is spaced from the evaporator blower wheel by an air c... | 06/25/1985 |
| 4525615 | Method for microwave defrosting A method for defrosting in a microwave oven wherein maximum or 100 percent power is applied until the surface temperature of the food reaches 110° F. and the the power is reduced to a level which holds the surface at 110° F. until the food is defrosted.... | 06/25/1985 |
| 4523368 | Semiconductor devices and manufacturing methods A field effect device having a gate over a portion of a surface of a semiconductor disposed between a source region and a drain region and including a buried doped region having a conductivity type opposite the conductivity type of the semiconductor forme... | 06/18/1985 |
| 4523145 | Apparatus for the automated handling and testing of electronic modules Apparatus is provided for the automated handling and testing of semiconductor electronic modules which are stored in successive slots along the length of a magazine or container. The magazine is moved lengthwise in step-wise fashion and indexed to cause e... | 06/11/1985 |
| 4521753 | Tuned resonant circuit utilizing a ferromagnetically coupled interstage line A magnetically tuned resonant circuit for selectively coupling radio frequency (r.f.) energy between an input coupling circuit and an output coupling circuit, dielectrically spaced from the input coupling circuit, through a resonant body disposed therebet... | 06/04/1985 |
| 4521658 | Microwave oven scale apparatus Microwave oven scale apparatus for coupling weight from the cavity and for providing a weight corresponding signal. The weight corresponding signal is used by a microcomputer to compute cooking times. Microwave transparent posts insert through holes in th... | 06/04/1985 |