Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7073664 | Self-illuminated storage and carrying case A self-illuminated storage and carrying case for storage and transportation of generally laminar stored objects is described. The case includes at least one, but usually several, storage sheets, each sheet having pockets which are generally inclusive of the outline ... | 07/11/2006 |
| 7040831 | Boom positioning mechanism An improved design of positioning mechanism, mountable to an upright, allows smooth, readily accomplished adjustment of the angular, rotational and translational positions of a boom with respect to the upright. A hub is mounted to and rotatable with respect to a bas... | 05/09/2006 |
| 5500618 | Operational function generator A novel compensation device for conditioning or generating signals to have an arbitrarily defined shape, produced to an arbitrarily specified accuracy. The device comprises a plurality of bounded polynomial function generators having outputs summed into a... | 03/19/1996 |
| 5356076 | Shower soap dispenser for liquid soaps An improved design for a soap dispenser for use with liquid soaps, primarily in showers, has a unique multi-position valve, and separate mixing and air entraining controls. Liquid soap stored in a reservoir is drawn into a flowing water stream by siphonic... | 10/18/1994 |
| 5354128 | Concrete mixer chute cap A cover for preventing the unwanted discharge of concrete mixer chute residues from the chute, has a water impermeable cap with side panels which are gathered at the one end with an elastic band for retaining he cap in place, and which has a strong elasti... | 10/11/1994 |
| 5105932 | Linear and rotary positioning device A precision magnetic manipulator for use in positioning targets, and the like, within a vacuum chamber, employs separate mechanisms for linear and rotational motion and makes them substantially independent. Ball or roller style bearings support a square, ... | 04/21/1992 |
| 4815619 | Medicament vial safety cap A medicament vial safety cap which may be formed integrally at the time of manufacture of the medicament vial or added as an accessory to an existing conventional medicament vial allows an equalization of pressure to occur within a chamber adjacent to the... | 03/28/1989 |
| 4800754 | Wide-range, adjustable flowmeter A fluid bypass type flowmeter has a main passage which is configurable to various effective diameters by selectably adding pre-defined additional cross-sections comprised of an adjustable laminar flow element located within a bore for fine adjustm=ent of ... | 01/31/1989 |
| 4777471 | Apparatus for multiple link trimming in precision integrated circuits An improved circuit, and an improved device geometry for trimming element values in an integrated circuit employs selectable short-circuiting of fusible elements by means of application of a prescribed sequence of electrical waveforms of prescribed amplit... | 10/11/1988 |
| 4742388 | Color video endoscope system with electronic color filtering A color video endoscope system including a light source, color wheel and light guide for directing sequential fields of red, green and blue (RGB) light into a cavity, a solid state image sensor for transmitting a signal in response to the intensity of the... | 05/03/1988 |
| 4692608 | Compact optical imaging system A compact optical imaging system with application to a viewing head of an endoscope. A lens assembly gathers and focuses light into parallel rays which are turned 90° from the lens assembly optical axis. A planar image sensor is oriented parallel to the ... | 09/08/1987 |
| 4677470 | Image reversal correction system for video endoscopes An endoscope subsystem, for a video endoscope system of the type having an insertion tube employing a video sensor, an optical imaging system for forming images on the sensor, and a video display for displaying an image derived from the sensor, which subs... | 06/30/1987 |
| 4667229 | Color video endoscope system A color video endoscope system having a control unit compatible with various endoscopes. Each endoscope generates unique signals to the control unit to optimize the clocking out of data from the solid state image sensor, to optimize the processing of data... | 05/19/1987 |
| 4632317 | Method and device for disintegrating coarse material Coarse waste such as stumps, lumber from demolition and the like is disintegrated in accordance with a method and device comprising at least two cooperating, essentially parallel screws having threads with disintegrating edges which move in mutually oppos... | 12/30/1986 |
| 4607820 | Rotating gate valve A rotating gate valve for access to vacuum chambers, and the like, employs a rotating gate member which is alternatively aligned to cover or to uncover a slot in a concentric valve body, the ends of which are sealed and serve as supports for a shaft. Ecce... | 08/26/1986 |
| 4523506 | Electronic tuning aid An electronic, tempered scale tuning aid employs a transducer and signal processing means to detect and amplify a signal to the level required by digital logic circuits, which circuits are used to gate a precisely determined oscillator, which is arithmeti... | 06/18/1985 |
| 4489489 | Disposable utility blade An improved utility blade for use with the conventional type of utility knife handle and having means near its cutting points for shielding the cutting points and portions of the cutting edges of the blade from the contents of cardboard cartons.... | 12/25/1984 |
| 4487062 | Mass flowmeter An improved mass flowmeter of the type having a primary passage for the fluid whose flow rate is to be measured, a sensor tube which serves as a secondary passage for the fluid and is connected to the primary passage at upstream and downstream locations, ... | 12/11/1984 |
| 4453447 | Percussion instruments bow A device for playing percussion instruments by striking or bowing a free accessible edge comprises an arcuate handle having a web of high coefficient of friction material stretched across the chord of the arc, and a mallet affixed to one end. A tensioning... | 06/12/1984 |
| 4453206 | Switching-mode power supply regulator A regulator for a blocking oscillator includes overcurrent protection and light-load operation. An error signal derived from sensing output voltages is then summed with an opposite sense ramp voltage at the input of a comparator having a high amount of hy... | 06/05/1984 |
| 4438485 | Efficiency switching-mode power supply A switching-mode, blocking oscillator based power supply employs proportional base drive and an improved design of rise-time suppression to improve effeciency and reliability. Current limiting elements cooperate with pass transistor control circuits to pr... | 03/20/1984 |
| 4386549 | Special effects mallet A special effects mallet for production of a variety of unique sound effects when used with percussion instruments. An ellipsoidally shaped mallet head of semi-rigid material having a high coefficient of friction when in contact with a percussion instrume... | 06/07/1983 |
| 4379282 | Apparatus and method for separation of optical character recognition data An apparatus and method is described for the separation of data from adjacent characters of standard type fonts, some of which character pairs may kern or touch. Characters which do not kern or touch are separated by white column detection. Characters whi... | 04/05/1983 |
| 4313135 | Method and apparatus for preserving or restoring audio to video synchronization The audio synchronizer includes a delay detector for measuring the video delay through a video processing system, such as one or more frame synchronizers, and a variable audio delay controlled by the detector so as to equalize the delays of the video and ... | 01/26/1982 |
| 4139001 | Hydro-massage and pulsator apparatus A flexible mat having a plurality of protruding members and a plurality of apertures is agitated by pressure pulsation in a stream of highly turbulent mixture of water/air which is applied to the back surface of the mat. As pressure pulses swell and subsi... | 02/13/1979 |
| 4121459 | Temperature profile measuring devices Temperature profiles of objects having large areas are measured and displayed by providing a plurality of radiometric sensors, each sensor having an established field of view and being directed toward the object whose temperature is being measured. Output... | 10/24/1978 |
| 4104111 | Process for manufacturing printed circuit boards Printed circuits are fabricated by a process which employs initial chemical deposition of copper on a predrilled substrate followed by electroplating build-up of conductors to desired pattern. The conductors are then passivated by thinly plating them with... | 08/01/1978 |
| 4081678 | Through-the-lens thermometer apparatus Infra-red images are projected onto an infra-red detector whose output is amplified, linearized, digitized and displayed as a numerical value corresponding to the temperature of the object viewed by the infra-red optical system. The optical axis of the in... | 03/28/1978 |
| 4075462 | Particle analyzer apparatus employing light-sensitive electronic detector array A particle analyzer system which operates on-line, real-time and is adaptable to use in process control systems wherein the analysis provides a basis for control of the process. Images of particles are focused onto an array of light sensitive electronic e... | 02/21/1978 |
| 4074406 | Method for manufacturing solar energy collectors A sinuous pattern of soft copper tubing is pressed against a laminated assembly consisting of a thin sheet of copper laminated to a layer of insulating foam which is in turn laminated to a backing plate of pressed wood. As the pressure is increased, the t... | 02/21/1978 |
| 4065969 | Low impedance, high current pressure transducer An apparatus is provided for determining the internal pressure of a fluid conduit in line with which the apparatus is inserted. Fluids transported through the conduit are caused to pass through a thin-walled inner tubular member which expands and contract... | 01/03/1978 |
| 4063233 | Three-dimensional display devices Three-dimensional images are produced within a transparent cathode-ray tube by directing a plurality of electron beams into a cloud of phosphorescent particles and causing the beams to intersect at a point within the cloud. Each individual beam's current ... | 12/13/1977 |
