Bizarre Patents
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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| Number | Title | Issue Date |
| 6587497 | Birefringence compensation using a single pump A new birefringence compensation scheme that requires only a single rod was implemented and modeled. This new scheme uses a single pump head, a Faraday rotator, and a curved mirror. An analytic expression to accurately determine the position of the curved... | 07/01/2003 |
| 6553045 | Multiple wavelength broad bandwidth optically pumped semiconductor laser An optically pumped semiconductor laser with the active region partitioned such that different wavelengths can be emitted simultaneously from each partitioned region. The material of the partitioning layers is selected to be transparent to the pump wavele... | 04/22/2003 |
| 6539618 | Ball grid array tool A tool for removing ball grid array (BGA) packaged integrated circuit or multi-chip modules from printed circuit boards is comprised of a two-tined fork with a heated wire stretched between the tips of the tines and a thin sheet of material filling the ar... | 04/01/2003 |
| 6533426 | Method of centrifugally casting a parabolic membrane mirror having a shape-restorative force A method for fabricating an optical quality, free-standing, compliant parabolic membrane mirror using an inverted parabolic mandrel created by rotating a liquid confined to a cylindrical polymer and applying a reflective optical stress coating once the su... | 03/18/2003 |
| 6496252 | Differential-tilt rytov parameter monitor for atmospheric turbulence An optical configuration and related analysis techniques are presented that provide a practical method for determining the Rytov parameter based on the difference of variances for the differential image motion (average wavefront gradient or wavefront tilt... | 12/17/2002 |
| 6470214 | Method and device for implementing the radio frequency hearing effect A modulation process with a fully suppressed carrier and input preprocessor filtering to produce an encoded output; for amplitude modulation (AM) and audio speech preprocessor filtering, intelligible subjective sound is produced when the encoded signal is... | 10/22/2002 |
| 6469596 | Annular composite capacitor/inductor with a switch across the gap A composite capacitor/inductor assembly has been developed that merges the capacitance utilized for energy storage into the inductor, creating a consolidated electrical component. The composite capacitor/inductor is capable of functioning in those applica... | 10/22/2002 |
| 6462326 | Circuit for deriving the position of a fast pulsing laser on a silicon position sensing detector An electronic circuit is described that adapts the output of a position-sensing detector, designed to determine the position of an incident CW laser beam, to determine the position of a fast pulsing laser incident on the detector's surface.... | 10/08/2002 |
| 6459717 | Continuous wave all gas phase iodine laser (AGIL) An all gas phase iodine cw laser operating on the electronic I(2 P3/2)-I*(2 P1/2) transition of atomic iodine at 1.315 μm was described. The laser is based on the energy transfer reaction between metastable NCl... | 10/01/2002 |
| 6452705 | High-density optical interconnect with an increased tolerance of misalignment A free-space optical interconnect architecture is presented that is tolerant of the lateral misalignment of integrated circuit boards in multi-chip module packages. Each transmitter has a different wavelength and correspondingly sensitive detector. The tr... | 09/17/2002 |
| 6452146 | Electro-optical field conjugation system A method for real-time, robust, stable closed-loop control of two phase correction devices to compensate for both amplitude and phase fluctuations induced by light passing through a turbulent medium. Two phase correction devices, in different conjugate pl... | 09/17/2002 |
| 6433268 | Interior thermal radiation control for alkali metal thermal to electric conversion An AMTEC cell is improved by using a grooved wall of high specularity in the low-pressure zone. The cell's parasitic heat transfer is reduced by reflecting radiant energy back toward the high-temperature end of the cell and by increasing the wall heat con... | 08/13/2002 |
| 6424454 | Brewster-cut crystal for nonlinear frequency conversion A specially cut uncoated birefringent crystal having three Brewster-cut faces with adjacent coated Brewster-cut coupling prisms are used for optical frequency conversion. Two input frequencies are used to obtain a third frequency by sum-frequency generati... | 07/23/2002 |
| 6421185 | Wide field-of-view imaging system using a spatial light modulator A foveated imaging system using a relatively simple optical imaging system with a spatial light modulator located at or near a pupil plane to correct aberrations. Maximum resolution is obtained for a limited region defined by a single fixation point (a fo... | 07/16/2002 |
| 6414581 | Air core transformer with coaxial grading shield A slotted coaxial shield for high voltage cylindrical air core transformers is described that controls the electric field stress while permitting the rapid extraction of electric energy stored in the shield to improve the output efficiency.... | 07/02/2002 |
| 6384973 | Convex brewster-cut crystal for nonlinear frequency conversion A specially cut uncoated birefringent crystal having three Brewster-cut faces with adjacent coated Brewster-cut coupling prisms for optical frequency conversion. Two IR input frequencies are used to obtain a third visible light frequency by sum-frequency ... | 05/07/2002 |
