Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 8027129 | Current perpendicular to plane magnetoresistive sensor pre-product with current confining path precursor A sensor includes a sensor stack and a layer of high resistivity material having a precursor within the sensor stack. When a current is applied at the precursor, a current confining path is formed through the layer of high resistivity material at the precursor. The ... | 09/27/2011 |
| 4569050 | Data communication system with fixed weight error correction and detection code A data communication system having improved error correction and detection capabilities includes an encoder which converts each input word containing three binary message bits to an eight-bit binary code vector which contains exactly four "1's" and four "... | 02/04/1986 |
| 4556866 | Power line carrier FSK data system A frequency shift keyed (FSK) data transmission system utilizes existing power lines to transmit data by superimposing a high frequency FSK signal on the power line carrier. A transmitter includes a phase locked loop which is locked on the power line carr... | 12/03/1985 |
| 4543540 | Phase locked loop with limited phase correction when in locked condition A phase locked loop provides limited phase correction when in lock in order to minimize the effects of noise in the periodic input signal to which the loop is locked. The phase locked loop includes a voltage controlled oscillator (VCO), a timing generatio... | 09/24/1985 |
| 4543498 | Process insensitive CMOS window detector A CMOS window detector provides outputs which indicate whether an input voltage is within a voltage "window". The window detector includes a bias circuit and first and second inverter circuits. A bias current is established by the bias circuit as a functi... | 09/24/1985 |
| 4503344 | Power up reset pulse generator A power up reset pulse generator circuit provides a reset pulse to initialize the states of logic elements in a low power field effect transistor (FET) integrated circuit. The reset pulse generator includes a pair of P-channel enhancement FETs and a first... | 03/05/1985 |
| 4503340 | CMOS Window detector with hysteresis A CMOS window detector provides an output signal which indicates the relationship of an input signal to a voltage "window" as a function of the previous output signal. The window detector includes first and second current source circuits and first and sec... | 03/05/1985 |
| 4499425 | Phase velocity sign detector for frequency shift key demodulation A frequency shift key receiver includes a phase velocity sign detector which detects whether a FSK modulated input signal has a frequency (fFSK) which is greater than or less than a reference frequency (f0) of a REF signal. The phase... | 02/12/1985 |
| 4492972 | JFET Monolithic integrated circuit with input bias current temperature compensation Temperature variation of the input bias current of a monolithic integrated circuit junction field-effect transistor (JFET) is provided by a compensation diode formed concurrently with the JFET in the monolithic integrated circuit. The compensation diode h... | 01/08/1985 |
| 4486715 | Frequency shift key demodulator A frequency shift key demodulator produces an output data stream based upon whether a FSK modulated input signal has a frequency (fFSK) which is greater than or less than a reference frequency (f0) of a reference (REF) signal. The de... | 12/04/1984 |
| 4451779 | Voltage controlled current source A voltage controlled current source provides a load current through a load impedance which is a function of an input voltage and is independent of the impedance value of the load impedance. The voltage controlled current source includes a high input imped... | 05/29/1984 |
| 4435652 | Threshold voltage control network for integrated circuit field-effect trransistors A threshold voltage control circuit controls the threshold voltages of one or more field-effect transistors (FETs) of an integrated circuit. The threshold voltage control circuit includes a reference (FET) which is electrically connected to the other FETs... | 03/06/1984 |
| 4206003 | Method of forming a mercury cadmium telluride photodiode A mercury cadmium telluride photodiode includes an n-type mercury cadmium telluride body with an accumulation layer proximate a first surface of the body. A p-type region is formed in the body at the first surface so that the n-type accumulation layer sur... | 06/03/1980 |
| 4206354 | Axial matrix Dewar An improved Dewar assembly for infrared detectors is disclosed. Vacuum tight feed-throughs are partially embedded in the inner flask with exposed portions on both sides of a vacuum seal.... | 06/03/1980 |
| 4206470 | Thin film interconnect for multicolor IR/CCD A hybrid mosaic IR/CCD focal plane structure is fabricated using planar thin film interconnects. Rows of detectors are formed on an integrated circuit substrate so that the rows of detectors are adjacent to rows of electrical contacts on the integrated ci... | 06/03/1980 |
| 4196508 | Durable insulating protective layer for hybrid CCD/mosaic IR detector array A hybrid mosaic IR/CCD focal plane structure is fabricated on a silicon substrate which contains integrated circuit CCD signal processing circuitry. Contact pads are formed which are connected to the signal processing circuitry and which extend above the ... | 04/08/1980 |
| 4137625 | Thin film interconnect for multicolor IR/CCD A hybrid mosaic IR/CCD focal plane structure is fabricated using planar thin film interconnects. Rows of detectors are formed on an integrated circuit substrate so that the rows of detectors are adjacent to rows of electrical contacts on the integrated ci... | 02/06/1979 |
| 4128338 | Modified optical transmission technique for characterizing epitaxial layers An improved method of determining the energy bandgap of an epitaxial semiconductor layer on a substrate corrects for an overestimation of energy gap yielded by normal optical transmittance measurements. The overestimation of energy bandgap is caused by a ... | 12/05/1978 |
| 4128843 | GaP Directed field UV photodiode A GaP photodiode having a shallow PN junction and an internal directed surface electric field exhibits high quantum efficiency in detecting ultraviolet wavelengths.... | 12/05/1978 |
| 4117604 | Dryer for photographic processors A compact inexpensive dryer unit for photographic processors which includes a liquid removing squeegee unit, transport rollers and guiding means for moving photographic sheet material through the drying area, a pair of opposed tapered air distribution man... | 10/03/1978 |
| 4114349 | Automatic sorting, conveying and packing mechanism for photographic prints A photographic print sorting, conveying and packing mechanism includes a main conveyor line and a plurality of branch conveyor lines with an initial feeding device which receives individual cut prints from a print cutter and feeds the prints into the main... | 09/19/1978 |
| 4104670 | Automatic replenisher control An automatic replenisher system for photographic processors has an improved, digital electronic control. The control includes sensors and signal processing circuitry which provide a signal having a frequency indicative of a measured parameter (such as fil... | 08/01/1978 |
| 4016506 | Dielectric waveguide oscillator A dielectric waveguide oscillator includes a microwave producing diode, a strip resonator, and a dielectric waveguide butted against one end of the strip resonator.... | 04/05/1977 |
| 4016590 | Electromagnetic radiation detector An electromagnetic radiation detector has a first surface which receives incident electromagnetic radiation. The sides of the detector are sloped such that incident radiation does not initially strike the sides.... | 04/05/1977 |
| 4009516 | Pyroelectric detector fabrication Pyroelectric detectors are mounted on a substrate having a plurality of wax-filled cavities. The wax is then dissolved to provide a low thermal loss mounting structure for the detectors.... | 03/01/1977 |
| 4009300 | Preparation of graded composition protective coatings Graded composition protective layers are prepared for water soluble optical elements. The two materials forming the graded composition protective layer are vapor deposited in the presence of a third vapor which does not react or co-deposit with the two ma... | 02/22/1977 |
| 4008404 | Interval timer An interval timer for use in traffic control, industrial process control, or other interval timing applications includes a gated pulse generator.... | 02/15/1977 |
| 4005288 | Photodetector mounting and connecting An improved method for providing electrical connection to a photodetector in a Dewar flask is disclosed. A plurality of conductive paths are formed on the inner flask of the Dewar. Each of the conductive paths extends from the side surface on to the top s... | 01/25/1977 |
| 4003759 | Ion implantation of gold in mercury cadmium telluride PN junctions in mercury cadmium telluride are formed by implantation of gold ions and a subsequent low temperature--short duration heat treatment.... | 01/18/1977 |
| 4002899 | Focus detecting apparatus A focus detecting system includes first and second auxiliary optical devices for forming first and second auxiliary images of an object on first and second detector devices, respectively, which in some illustrated embodiments are closely disposed on a sin... | 01/11/1977 |
| 4000508 | Ohmic contacts to p-type mercury cadmium telluride Ohmic contacts to p-type mercury cadmium telluride are prepared by depositing a Column IB metal on a surface of the p-type mercury cadmium telluride, depositing a buffer material on the Column IB metal, and contacting the buffer material with a bonding ma... | 12/28/1976 |
| 3997690 | Method of adjusting refractive index of PLZT optical coating on optical element Method for adjusting index of refraction of optical coating by heat treating. PLZT ceramic can be sputtered to form a thin film optical coating material for various optical applications. The fact that its refractive index can be adjusted by diffusion make... | 12/14/1976 |
| 3993929 | Automatic correct exposure indicator A correct exposure annunciator for electronic flash apparatus includes an indicator which is turned on when the voltage on a capacitor is less than a predetermined value. The capacitor is discharged in response to a control signal which indicates that pro... | 11/23/1976 |
| 3992774 | Method for fabricating lead through for Dewar flask An improved method for fabricating lead throughs in a Dewar flask is disclosed. Each lead through is provided with a contact portion which is essentially parallel to the side surface of the inner flask. The contact portion is bonded to a conductive path o... | 11/23/1976 |
| 3993928 | Extended range correct exposure annunciator An electronic flash apparatus includes a correct exposure annunciator which operates if light received from the subject exceeds a predetermined percentage of the required illumination.... | 11/23/1976 |
| 3987298 | Photodetector system for determination of the wavelength of incident radiation A photodetector system is used to resolve the wavelength of an unknown line source in a broad spectral range or to determine the temperature of blackbody or other broad band sources. The photodetector system includes two photodetectors having the same ban... | 10/19/1976 |
| 3980924 | Remote light sensor for electronic flash units An improved remote light sensor for use with an electronic flash unit is disclosed. The remote light sensor generates a termination signal to terinate the light provided by the flash unit when sufficient light is received from the scene being illuminated.... | 09/14/1976 |
| 3979232 | Mercury cadmium telluride annealing procedure The stoichiometry and free-carrier concentration of mercury cadmium telluride is adjusted by a heat treatment. Mercury cadmium telluride is heat treated in the presence of mercury and cadmium vapor.... | 09/07/1976 |
| 3979639 | Correct exposure annunciator circuit An electronic flash apparatus terminates the light flash when light received from the subject has reached a predetermined level. The light terminating means includes a terminating capacitor which is discharged during the termination of the flash. Annuncia... | 09/07/1976 |
| 3979695 | High order beam mode resonator High order resonant beam modes are generated in an open resonant cavity. The cavity is formed by reflectors which are separated from one another along an axis. Wave energy is introduced into the resonant cavity at a position which is not on the axis.... | 09/07/1976 |
