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.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5437940 | High power energy compression device An energy compression device includes at least one bipolar element comprising a positive electrode formed of cobalt disulfide, a negative electrode formed of a lithium alloy, an inert porous separator disposed between and in contact with the electrodes, a... | 08/01/1995 |
| 5318862 | Bifunctional gas diffusion electrodes employing wettable, non-wettable layered structure using the mud-caking concept A bifunctional gas diffusion electrode used in an electrochemical energy cell wherein a multi-ply composite layer containing an embedded metal screen current collector provides electrical power via the reduction of oxygen from air in the presence of an el... | 06/07/1994 |
| 5317394 | Distributed aperture imaging and tracking system An imaging system utilizes a plurality of sensors capable of sensing objects within a field of view about a sight line. At least two sensors have different sight lines with the sight lines having known relative positions. Each sensor produces signals corr... | 05/31/1994 |
| 5315912 | Suspended hoop seal A seal for a large annular opening between a launch tube and a missile comprising a suspended hoop composed of a pair of cylindrical rings spaced apart by axially disposed chevron-shaped struts, the inner cylindrical ring having a frustoconically shaped l... | 05/31/1994 |
| 5309409 | Target detection system An array of transducer elements receives energy from a target or targets in a field of view and operates on the transducer outputs to provide a plurality of different levels of shading. The most useful portion of the field pattern is selected and combined... | 05/03/1994 |
| 5307427 | Non-integral pixel compression for second generation FLIR sensors A device, system and method of image processing and compression are preferably used with second generation infrared (IR) detector arrays where the pixel size is less than the optical blur of the system. Raw input pixels are compressed such that output pix... | 04/26/1994 |
| 5305288 | Variable reluctance acoustic projector A variable reluctance acoustic projector includes a piston structure that provides rigid retention and precise alignment of electromagnetic cores within the projector housing. The piston structure provides a pair of metallic piston blocks having cavities ... | 04/19/1994 |
| 5303208 | Side looking sonar transducer A side looking sonar transducer having a plurality of active elements forming an elongated active radiating, or receiving surface wherein the active elements at the ends of the transducer have a lesser depression angle than the active elements at the midd... | 04/12/1994 |
| 5298686 | System and method for implementing wiring changes in a solderless printed wiring board module Both a system and method is provided for implementing a wiring change with respect to an electrical component detachably connected to a solderless PWB module. The system comprises at least one unused via on the PWB, an insulator used for electrically disc... | 03/29/1994 |
| 5295118 | Synthetic aperture side-looking sonar apparatus A synthetic aperture side-looking sonar which includes a receiver transducer array and two transmitter transducers. When the apparatus is at a first position, the forwarded transmitter transducer is provided with a signal of frequency F1 while the aft tra... | 03/15/1994 |
| 5291159 | Acoustic resonator filter with electrically variable center frequency and bandwidth An acoustic resonator filter having at least one of electronically variable center frequency and bandwidth has a shunt coupling consisting of an inductor and voltage variable capacitor matrix. A pair of acoustic resonators each having a parallel inductor ... | 03/01/1994 |
| 5290737 | Fiber-reinforced metal or ceramic matrices A composite material having a fiber system embedded in a host matrix material. The fiber system has a protective reaction barrier around the embedded fibers to prevent deleterious chemical or mechanical reaction between the fiber and matrix. The fiber coa... | 03/01/1994 |
| 5291155 | Microwave buffer A microwave buffer for use between transmitter modules and an impedance combiner. The buffer is comprised of a plurality of input segments, a plurality of output segments and an elongated transmission segment connecting the input segments to the output se... | 03/01/1994 |
| 5287330 | Sonar apparatus A sonar system wherein sum and difference beam patterns are generated utilizing a plurality of transducer elements arranged in a line array. Receiver apparatus including a receiver transducer also constituted as a line array perpendicular to the transmitt... | 02/15/1994 |
| 5274235 | Integrated imaging system A totally integrated imaging system has a housing including imaging optics, a scanning mirror and a curved detector array. The imaging optics constitute a meniscus lens and a spherical focusing mirror. The scanning mirror scans the image, and the spherica... | 12/28/1993 |
| 5274236 | Method and apparatus for registering two images from different sensors A method and apparatus for registering two images from different sensors including receiving a first and second image, detecting hot spots in the first and second images, respectively, pairing each of the hot spots in the first image with all the hot spot... | 12/28/1993 |
| 5265421 | Underwater hydraulic system for reducing liquidborne noise An hydraulic liquid system wherein a pump moves liquid from one location to another such as in supplying one or more loads in an underwater environment. The system includes two hydro-pneumatic chambers utilized such that one is filled by liquid from the p... | 11/30/1993 |
| 5266925 | Electronic identification tag interrogation method An electronic identification tag interrogation method is provided in which a portal transmits an interrogation signal which is received by an electronic identification tag within its field of range. The interrogation signal includes an address which reque... | 11/30/1993 |
| 5258769 | Ominidirectional ground plane effect radiator An antenna comprising a ground plane having a base portion and a cylindrical obstruction that extends from the base. The obstruction is oriented such that its longitudinal axis is perpendicular to the base ground plane. The antenna also has a conducting t... | 11/02/1993 |
| 5257758 | Reversing panel stores carrier A reversing panel assembly utilizable in an aircraft for the carriage and deployment of stores is disclosed. The panel has two pivot axes. The first pivot axis extends through the center of the panel, and the second pivot axis is parallel to the first and... | 11/02/1993 |
| 5249530 | Forced steering railroad truck system with central transverse pivoted shaft In a railroad truck, a forced steering system is disclosed for achieving optimal or near optimal wheel set alignment on both straight and curved track sections. Over- and under-steer on curves is minimized and oscillations are minimized or eliminated for ... | 10/05/1993 |
| 5249997 | Composite multisection buoyant structure An underwater, high strength lightweight buoyant structure fabricated of individual segments which are adhesively bonded together. Each segment includes an outer wall which faces the ambient medium, an inner wall displaced from the outer wall and a plural... | 10/05/1993 |
| 5250132 | Method of making a composite laminate having an internally damped constraining layer A method of making a composite laminate having an internally damped constraining layer sandwiched between first and second load-bearing members. The constraining layer and load-bearing members are of a filament reinforced resin matrix, with the gelation t... | 10/05/1993 |
| 5249527 | High speed, inflating bag infrared countermeasure An IR decoy which includes an aerodynamic shell from which is deployable an aerodynamically shaped thin film, high temperature, high strength plastic bag. A first stage of a two stage gas generator initially deploys and inflates the bag while the second s... | 10/05/1993 |
| 5243567 | Sonar beam shaping with an acoustic baffle A side-looking sonar transducer which has sound absorbing material extending forwardly of the active surface of the transducer elements to diminish the acoustic response over a predetermined zone for reducing the effect of erroneous reflection signals. Th... | 09/07/1993 |
| 5243512 | Method and apparatus for minimizing vibration Vibration of a system such as a motor and pump on a platform or a transformer is minimized by applying a compensating force to the system. The optimum compensating force is determined by measuring the initial vibration and using that measurement in one of... | 09/07/1993 |
| 5220125 | Unitized shock isolation and missile support system A unitized shock isolation and support system disposed in an annular space between two cylindrical surfaces utilizing a first compressible portion axially oriented chevron-shaped prebuckled struts to support a rigid or semirigid hoop larger in diameter th... | 06/15/1993 |
| 5216888 | Load transfer device for cryogenic application A structural support for cryogenic apparatus used in a vacuum vessel includes a plurality of spaced parallel plate members having honeycomb structures interposed therebetween and joined to the plate members. The honeycomb structure provides for a pluralit... | 06/08/1993 |
| 5215413 | Composite-to-metal shaft joint A composite-to-metal joint is described which includes an axial metal rod that is embedded in a composite material component to facilitate the application of an axial preload to the joint and apply a compressive force to the composite material. A conical ... | 06/01/1993 |
| 5214744 | Method and apparatus for automatically identifying targets in sonar images A method and apparatus for automatically identifying targets in sonar images utilizes three processing systems which preferably operate simultaneously. After the image has been filtered and Fourier transformed, a highlight-shadow detector classifies porti... | 05/25/1993 |
| 5198610 | System and method for quenching a firing condition A system and method for suppressing heat around a missile housed in a canister during a restrained firing condition is provided. A missile canister has a hollow wall and an inner side provided with a plurality of dispensing holes. A coolant reservoir comm... | 03/30/1993 |
| 5185671 | Adaptive control of an electronic imaging camera A CCD imaging camera is adaptively controlled by: illuminating a reflectance field of view, selectively sensing a desired image field area within the field of view and generating an image signal thereof, reducing low frequency components of the sensed are... | 02/09/1993 |
| 5181254 | Method for automatically identifying targets in sonar images To detect and classify features in a sonar image comprised of a matrix of pixels each pixel having a known greyness level a set of windows is defined such that each window is comprised of a set of adjacent pixels such that every pixel of the image is incl... | 01/19/1993 |
| 5177710 | High speed multibeam sidelock sonar with few elements A high speed multibeam sidelooking sonar system for processing acoustic signals including a transmitter for transmitting acoustic energy, and a hydrophone array for receiving reflected acoustic energy transmitted by the transmitting means and forming an e... | 01/05/1993 |
| 5155706 | Automatic feature detection and side scan sonar overlap navigation via sonar image matching A method of locating objects in sonar images so that matching algorithms can be used to determine if the same objects appear in two images. Information from the matching algorithms can then be used to upgrade the position of the vehicle and objects record... | 10/13/1992 |
| 5143790 | Integrally-damped steel composite laminated structure and method of attaching same A laminated panel is provided by; a reinforced composite core of either an organic matrix or a metal matrix, bonded by at least one layer of adhesively bonded viscoelastic damping polymer film and face sheeting of steel for use as integrally-damped steel/... | 09/01/1992 |
| 5141203 | Snubber for a machinery supporting foundation A snubber arrangement which connects to a composite hollow beam structure without requiring the penetration of the composite material. The snubber includes an attachment assembly having first and second metallic outer layer bonded to an inner layer of com... | 08/25/1992 |
| 5140781 | Gear finishing process Reduction of index undulation errors associated with helical gear teeth caused by the grinding process during the manufacture of the gears without degrading other gear accuracies (e.g. profile, tooth spacing) below levels required for precision (AGMA16 or... | 08/25/1992 |
| 5140189 | WSI decoder and patch circuit Externally formed connections are made to a wafer scale integration (WSI) type of semiconductor device to accomplish wafer level defect avoidance and includes the utilization of a relatively small external shorting block or patch circuit for implementing ... | 08/18/1992 |
| 5126979 | Variable reluctance actuated flextension transducer An underwater acoustic projector including a Class IV flextension shell, preferably in the form of an ellipsoid, is connected to and driven by two substantially identical electromagnets having mutually opposing pole faces and having a common spatially uni... | 06/30/1992 |