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Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Assignee: Litton Systems, Inc.


Location: BeverlyHills, CA
No. of patents: 405

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NumberTitleIssue Date
6110758Transmission mode photocathode with multilayer active layer for night vision and method
An improved photocathode and image intensifier tube are disclosed along with a method for making both the tube and photocathode. The disclosed photocathode and image intensifier tube have an active layer comprising two or more sublayers. The first sublaye...
08/29/2000
6005257Transmission mode photocathode with multilayer active layer for night vision and method
An improved photocathode and image intensifier tube are disclosed along with a method for making both the tube and photocathode. The disclosed photocathode and image intensifier tube have an active layer comprising two or more sublayers. The first sublaye...
12/21/1999
5977705Photocathode and image intensifier tube having an active layer comprised substantially of amorphic diamond-like carbon, diamond, or a combination of both
A novel photocathode and image intensifier tube include an active layer comprised substantially of amorphic diamond-like carbon, diamond, or a combination of both. The photocathode has a face plate coupled to an active layer. The active layer is operable ...
11/02/1999
5818590Flange-supported sensor coil for a fiber optic gyroscope
A rotation sensor for use in a fiber optic gyroscope includes a substantially-planar disk-like coil mounting member of titanium. A would sensor coil is supported by the member in an edgewise fashion, allowing free expansion of the sensor coil in the direc...
10/06/1998
5604308Data interface for closed-loop accelerometer
A digital circuit for adapting the output of a closed-loop accelerometer to a utilization circuit where the cycle time of the rebalance loop of the accelerometer is unrelated to the cycle time of the utilization circuit. A register receives and stores a d...
02/18/1997
5550430Gas discharge closing switch with unitary ceramic housing
A gas discharge closing switch, such as a thyratron, has a one-piece ceramic housing containing an anode, a cathode, and a control electrode. The anode and cathode form fluid-tight seals with opposite ends of the housing. The control electrode is mounted ...
08/27/1996
5545947Multiple surface high voltage structure for a gas discharge closing switch
A gas discharge closing switch has a high voltage anode structure containing a plurality of surface elements facing substantially toward a cathode and spaced from each other to define gaps therebetween. In a preferred embodiment, a control electrode struc...
08/13/1996
5543804Navagation apparatus with improved attitude determination
The navigation apparatus with improved attitude determination is intended for use on a mobile platform. It combines data from a platform inertial navigation unit and carrier phase data for a plurality of GPS satellite signals received at a plurality of re...
08/06/1996
5515011Pulsed magnetron circuit with phase locked loop
A semiconductor diode is connected across the cathode-to-anode path of a magnetron and through a storage capacitor and collector resistor to a supply voltage for enabling charging of the capacitor. A control pulse causes a switching transistor to conduct ...
05/07/1996
5488683Method for splicing polarization maintaining fiber with elliptical stress member
The ends of a pair of polarization-maintaining optical fibers that each have an elliptical stress member in the cladding to produce stress induced birefringence are placed end-to-end with a predetermined gap between the ends of the fibers. The ends of the...
01/30/1996
5483123High impedance anode structure for injection locked magnetron
An anode structure of the present invention provides radially disposed first vanes and radially disposed second vanes interdigitating with the first vanes. The first vanes and the second vanes are each interconnected by a first strap and a second strap, r...
01/09/1996
5483074Flood beam electron gun
A flood beam electron gun is provided for use in remediation of hazardous volatile organic compounds (VOC) contained within a detoxification vessel. The flood beam electron gun comprises an electron emitter having a rounded emitting surface providing a co...
01/09/1996
5477106Cathode placement in a gas discharge closing switch
In a closing switch having a control electrode and a cathode within a gas-filled cavity, the cathode has a distal portion spaced from the control electrode by a distance corresponding to the minimum breakdown voltage of the closing switch. Thus, the catho...
12/19/1995
5473946Accelerometer using pulse-on-demand control
A force balanced accelerometer system comprises an accelerometric sensor and a control system. The sensor comprises a conductive pendulum pivotably mounted between first and second electrode plates. The control system establishes a cycle period with three...
12/12/1995
5471678Flip-up mount for night vision system
A flip-up mount is provided for a night vision system. The mount comprises a carriage which is configured to engage a coupling device provided on the night vision system and secure the system in place. A pivotal armature is attached to the carriage and ex...
12/05/1995
5469024Leaky wall filter for use in extended interaction klystron
A leaky wall filter for use in an EIK comprises a plurality of guidelets intersecting perpendicularly with a wall of an output waveguide of the EIK. The guidelets would propagate 2π mode oscillation frequencies from the EIK out of the output waveguide. A...
11/21/1995
5469023Capacitive stub for enhancing efficiency and bandwidth in a klystron
A capacitive stub for adjusting an impedance level of an output gap of a klystron is provided. The klystron includes an iris coupling RF power from the klystron to an output waveguide. The capacitive stub extends from an inner surface of the output wavegu...
11/21/1995
5469022Extended interaction output circuit using modified disk-loaded waveguide
An extended interaction output circuit is provided for interacting with a modulated electron beam and for outputting RF electromagnetic energy. The circuit comprises a plurality of linearly disposed cavities having an axially extending beam tunnel to perm...
11/21/1995
5463648Pulse forming network for diode laser
A diode laser apparatus is heated at its junction by operating the diode at subthreshold current levels. A special bi-level pulse forming network (PFN) improves the efficiency in preheating the diode during non-operating or non-light producing modes along...
10/31/1995
5461282Advanced center post electron gun
An advanced center post (ACP) gun is provided which is capable of producing either a large orbit or small orbit electron beam. The gun comprises an annular shaped cathode, a control electrode adjacent the cathode, and an annular anode having an opening th...
10/24/1995
5461283Magnetron output transition apparatus having a circular to rectangular waveguide adapter
A magnetron transition apparatus is provided which permits transmission of a microwave RF signal between a magnetron and an output waveguide. The transition apparatus is connected to the magnetron and receives the RF signal from the magnetron, while maint...
10/24/1995
5457570Ultraviolet resistive antireflective coating of Ta2 O5 doped with Al2 O3 and method of fabrication
A coating for an optical component is formed to be antireflective for a selected wavelength and resistive to the transmission of ultraviolet radiation. The coating has first layer is formed of a dielectric material having a refractive index n1 ...
10/10/1995
5455592Method and apparatus for calibrating an antenna array
The invention is a method and apparatus for determining the errors in the orientation coordinates of an antenna array and the spacings of the antennas in the array using radio waves from one or more sources having known positions and an inertial system, t...
10/03/1995
5451836Thyratron with annular keep-alive electrode
A thyratron has an auxiliary "keep-alive" electrode in the form of a surface element with at least one aperture therein. In a preferred embodiment, the auxiliary electrode is disposed adjacent the upper end of a heat shield surrounding the cathode of the ...
09/19/1995
5449972Low-torque magnetron tuning device
A low-torque tuning apparatus is provided for use in a magnetron having an electron emitting cathode coaxially disposed within an anode cavity. The tuning apparatus includes a tuner drive capable of reciprocating axial movement relative to the magnetron. ...
09/12/1995
5448058Optical signal detection apparatus and method for preventing polarization signal fading in optical fiber interferometric sensor systems
A photodetector includes a polarizer array and an array of photodetector elements. The polarizer array includes a plurality of polarizers having axes of polarization spaced apart by selected angles such that each optical signal incident on the polarizer a...
09/05/1995
5446616Electrode structure and method for anodically-bonded capacitive sensors
A sensing electrode on a glass layer of an anodically-bonded capacitive sensor has an interfacial barrier film containing a nitride compound between the electrode and the glass layer. In one embodiment, the capacitive sensor is an inertial sensor having a...
08/29/1995
5442442Ring laser gyroscope scale factor error control apparatus and method control apparatus and method
The intensity and frequency variation due to retroscatter in a ring laser gyroscope are determined and used to correct the gyro scale factor. The orthogonal types of scatter due to dielectric variation and due to height variation, which lead to common mod...
08/15/1995
5436525Highly depressed, high thermal capacity, conduction cooled collector
An electron collector is provided for collecting spent electrons generated by a charged particle device after passage though an interaction region of a RF circuit. The collector has a centerline and comprises an outer structure which is coupled to the RF ...
07/25/1995
5433640Method for improving spectrum quality of low power pulsed anode magnetrons
An improved low power pulsed anode magnetron is provided having a cylindrical cathode centrally disposed within a plurality of radial anode vanes. An interaction region is provided between the surface of the cathode and the anode vane tips. A ratio of the...
07/18/1995
5434704Night vision weapon sight
A night vision sight is provided for use with a weapon, which includes an objective lens and a non-inverting image intensifier tube disposed along an optical axis, providing an intensified target image. The sight is focused by direct movement of the image...
07/18/1995
5432604Ionic conduction barrier for ring laser gyroscope bodies
A ring laser gyroscope has an electrically insulating barrier ring placed between the grounded metal mounting device and the frame, which is formed of a lithium aluminosilicate material that contains mobile ions. The barrier ring prevents migration of the...
07/11/1995
5432889Vector neural networks
A vector neural network (VNN) of interconnected neurons is provided in transition mappings of potential targets wherein the threshold (energy) of a single frame does not provide adequate information (energy) to declare a target position. The VNN enhances ...
07/11/1995
5428995Counterbalanced vibratory triaxial angular rate sensor with open loop output
A sensor for measuring angular rotation rates about three orthogonal axes is based upon sensing Coriolis acceleration forces with a pair of nearly-identical rotors coupled coaxialy by a torsion spring and counter-oscillating in rotation. The torsional osc...
07/04/1995
5428700Laser stabilization
The wavelength of a light source (e.g., laser) is stabilized by introducing a collimated beam from the source into a "wedged" etalon, i.e., an etalon having a Fabry-Perot cavity that continuously decreases in width along at least one axis that is normal t...
06/27/1995
5422542Low power pulsed anode magnetron for improving spectrum quality
An improved low power pulsed anode magnetron is provided having a cylindrical cathode centrally disposed within a plurality of radial anode vanes. An interaction region is provided between the surface of the cathode and the anode vane tips. A ratio of the...
06/06/1995
5420478Depressed collector for sorting radial energy level of a gyrating electron beam
A depressed collector is provided which is capable of recovering energy from a large orbit gyrating electron beam received from a microwave device, such as a gyrotron. The depressed collector sorts and collects the electrons of the spent electron beam on ...
05/30/1995
5418427Internally cooled forward wave crossed field amplifier anode vane
The present invention provides a double helix coupled vane forward wave crossed-field amplifier utilizing individually cooled vanes in the RF slow-wave circuit. Specifically, a double helix coupled vane is machined to create a channel in the shape of a "U...
05/23/1995
5412281Phase smoothing cathode for reduced noise crossed-field amplifier
A crossed-field amplifier (CFA) includes a cylindrical cathode having an emitting surface coaxially disposed within an annular anode structure. The cathode has at least one circumferential groove disposed in the emitting surface. The grooves are relativel...
05/02/1995
5409074Motorized vehicle with fiber-optic joystick controller
A motorized vehicle, particularly a wheelchair, having a joystick controller for controlling energization of driving motors which in turn drive vehicle wheels and control steering of the vehicle. The joystick controller includes fiber-optic arrangements w...
04/25/1995
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