Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 5732539 | Retrofit chain sickle cutter A cutting and mowing apparatus comprising a continuous sickle chain assembly (8) utilizing cutting knives (10). The sickle chain assembly is confined within channel (29) formed by stationary guards (28) by means of alternating chain members (12), knives (... | 03/31/1998 |
| 5724879 | Method and apparatus for controlled axial pump A control system, method and apparatus are provided in which a rotatable wedge portion which is solidly mounted on a rotatable base engages piston and cylinder assemblies as the base rotates. The wedge is rotatable through various positions relative to th... | 03/10/1998 |
| 5661379 | Electric motor A fractional-power electric motor is provided to generate varying amounts of output torque supplied to a driven member over a wide range of RPM speeds so as to reduce power consumption on a battery-powered source. The electric motor includes a rotor and a... | 08/26/1997 |
| 5634777 | Radial piston fluid machine and/or adjustable rotor An adjustable rotor and/or a radial piston machine which may utilize an adjustable rotor. The rotor has a primary eccentric rotatable around an axis and a secondary eccentric adjustable in position relative to the primary eccentric. The radial piston mach... | 06/03/1997 |
| 5602090 | Surfactants based aqueous compositions with D-limonene and hydrogen peroxide and methods using the same A cleaning composition including a terpene such as D-limonene and hydrogen peroxide in a surfactants based aqueous solution. The composition in various specific formulations is a micro-emulsion useful for a variety of materials and for both industrial and... | 02/11/1997 |
| 5547348 | Radial piston fluid machine and/or adjustable rotor An adjustable rotor and/or a radial piston machine which may utilize an adjustable rotor. The rotor has a primary eccentric rotatable with a shaft and a secondary eccentric adjustable in position relative to the primary eccentric. The radial piston machin... | 08/20/1996 |
| 5425231 | Gas fed pulsed electric thruster The present invention relates to a thruster for propelling a mass using a propellant gas which is repetitively converted to a pressurized plasma by pulses of electrical energy.... | 06/20/1995 |
| 5400034 | Digital phase lock detector A digital phase lock detector for determining the periods of an incoming signal for use in measuring rapidly and accurately the relative speed or velocity of vehicles according to the Doppler-radar principle includes a micro-controller based processor uni... | 03/21/1995 |
| 5377559 | Radial piston fluid machine and/or adjustable rotor An adjustable rotor and/or a radial piston machine which may utilize an adjustable rotor. The rotor has a primary eccentric rotatable with a shaft and a secondary eccentric adjustable in position relative to the primary eccentric. The radial piston machin... | 01/03/1995 |
| 5344676 | Method and apparatus for producing nanodrops and nanoparticles and thin film deposits therefrom A method and apparatus for producing nanodrops which are liquid drops with diameters less than one micron and producing therefrom solid nanoparticles and uniform and patterned film deposits. A liquid precursor is placed in an open ended tube within which ... | 09/06/1994 |
| 5282352 | Corn head assembly A corn head with a pair of parallel counterrotating harvesting rolls is disclosed. Each roll has primary flutes and secondary flutes extending longitudinally which oppose flutes of the other type on the other roll. Improved ear stripping and stalk process... | 02/01/1994 |
| 5257956 | Post-mastectomy garment A garment for use by a patient after surgery for breast removal which alleviates post-operative pain and discomfort and facilitates normal activities during the recovery period. A padded vest-like garment is adapted for applying comforting pressure to the... | 11/02/1993 |
| 4568161 | Computer controlled slide projector interface arrangement An intelligent interface arrangement is provided for controlling and sensing operation of one or more random access slide projectors from a host computer or intelligent terminal. The interface arrangement includes a first microprocessor controlled communi... | 02/04/1986 |
| 4470675 | Random access control apparatus and method for slide projector Random access slide projector apparatus is provided for the random access presentation of slide programs. The random access apparatus is responsive to an encoded program tape or to input signals from a local or remote keyboard. The encoded program tape in... | 09/11/1984 |
| 4452518 | Slide projector control apparatus Control apparatus including a keyboard is provided for a slide projector to control operation of the slide projector in various predetermined modes to perform predetermined functions. Various functions are executed by the slide projector in response to th... | 06/05/1984 |
| 4440478 | Slide tray position sensing arrangement for slide projector apparatus utilizing two slide tray types A slide tray position sensing arrangement is provided for slide projector apparatus. The slide tray position sensing arrangement is arranged at a detection station. A coded aperture ring is provided that moves in a manner correlated to the movement of a s... | 04/03/1984 |
| 4432618 | Tray drive and slide change control apparatus for slide projector Control apparatus is provided for a slide projector to accurately control rotation of a slide tray to predetermined slide positions of the slide tray and to provide integrated control of the slide change function at each slide position. The control appara... | 02/21/1984 |
| 4429963 | Slide transfer and shutter control arrangement for slide projector A slide transfer and shutter control arrangement is provided for a slide projector including a simplified shutter control arrangement and a positive acting slide sensor arm that is slidably mounted for shifting translation. Slide transfer is accomplished ... | 02/07/1984 |
| 4422026 | Servo control arrangement utilizing alternately energized light sources and a single photodetector A servo control arrangement is provided that accurately controls the positioning of a movable member. The movable member is controlled by a motor through a drive train. A coded member is carried either by the drive train or the controlled movable member s... | 12/20/1983 |
| 4420232 | Selectively positionable slide tray position sensing arrangement for slide projector apparatus A slide tray position sensing arrangement is provided for slide projector apparatus. The slide tray position sensing arrangement is arranged at a detection station. A coded aperture ring is provided that moves in a manner correlated to the movement of a s... | 12/13/1983 |
| 4367039 | Wet modular film printer A wet modular film printer having a plurality of removable modules upon which film printer components are mounted including a liquid immersed, capstanless printing head. The printing head immersion liquid is continuously recirculated and filtered by means... | 01/04/1983 |
| 4298251 | Dual macro zoom optical system The system has a variator lens and a compensator lens which are mutually displaceable for varying the focal length of the optical system. In the normal zoom range, the focal length is adjustable between a telephoto condition and a wide angle condition, in... | 11/03/1981 |
| 4291333 | Noise filter A recursive digital filter is disclosed for removing noise from an incoming television signal. The filter couples the incoming television signal to a subtracter without substantial attenuation of the television signal. The subtracter also receives at an i... | 09/22/1981 |
| 4283658 | Projection lamp control arrangement A control circuit is provided in projection apparatus to control the operating characteristics of the projection lamp. The projection lamp control circuit maintains a constant illumination output and color temperature of the projection lamp to provide imp... | 08/11/1981 |
| 4268119 | Color-separating optical system A color-separating prism arrangement for a small portable video camera having solid-state detectors about 0.35 inch in height includes three prisms with the first and second prisms being separated by an air gap, and color separation occurring at respectiv... | 05/19/1981 |
| 4262314 | Automatic multiple tape player Apparatus for sequential cyclic operation of a plurality of magnetic tape playing devices. A single side of each tape in each device is played one after the other until all the devices have been operated. Then the other side of the tape is sequentially pl... | 04/14/1981 |
| 4230397 | Large aperture extended range zoom lens Disclosed is an optical design for a variable focal length lens of large effective aperture which is focusable over an extended range including the "macro" range and is provided with a high degree of correction.... | 10/28/1980 |
| 4218115 | Changeover control arrangement for projection apparatus A changeover control arrangement is provided for projection apparatus to allow two identical projection apparatus with identical changeover control arrangements and interconnected by a multi-conductor changeover interconnection cable to be utilized altern... | 08/19/1980 |
| 4210940 | Variable format tape replay system A system is described for selecting and replaying desired tape segments of a recorded tape, a video tape for example, in any predetermined sequence. The system accepts an operator's designation of which segments of the tape are desired for replay and in w... | 07/01/1980 |
| 4210785 | Tape replay system A system is described for replaying, in any selected sequence, programs recorded on a tape. The system is adapted to read a tape having tape location information and program location information thereon. In a preferred embodiment, a keyboard is included f... | 07/01/1980 |
| 4205894 | Hermetically sealed binoculars The optical system in the binoculars includes a pair of sets of optical elements respectively on a pair of carriages mounted in an hermetically sealed housing. These carriages are moved by an external control toward and away from each other in order to va... | 06/03/1980 |
| 4202611 | Projector apparatus and control arrangement One or more remote control arrangements are provided for interconnection to projector apparatus including local controls. Each of the remote control arrangements includes momentary actuated push-button controls for independently controlling the forward, r... | 05/13/1980 |
| 4198138 | Automatic focusing system for projectors The present invention provides a system for automatically focusing a projected film image by maintaining a predetermined distance along the optical axis between the emulsion on the surface of the film and the projection lens. The system includes a movable... | 04/15/1980 |
| 4191882 | Automatic focus adjusting device An automatic focus adjusting device for use with an optical instrument hag a focusable objective lens which is adjusted by optical and electronic components of the instrument, such components determining the distance of an object by comparing images of s... | 03/04/1980 |
| 4183640 | Automatic focus adjusting device A rangefinder mechanism is shown in which the scanning mirror has been replaced with a movable scanning optic. The automatic rangefinder system includes a pair of optical paths, one a reference path and the other a scanned path, which are lead to impinge ... | 01/15/1980 |
| 4180321 | Control system for photographic film printer A printer control unit utilizes a microprocessor and a random-access memory for storing color and cuing information in order to eliminate the need for continuously reading a tape during the printing operation. The printer control unit utilizes a single ta... | 12/25/1979 |
| 4174892 | Automatic focusing system A method and apparatus for automatically focusing a camera is described in which the camera has a stationary optical path and a scanning optical path for developing focusing signals. The scanning optical path is caused to undergo a range-finding reciproca... | 11/20/1979 |
| 4174158 | Bowed slide handling apparatus A device for transporting slides in a horizontal plane to be projected by a slide projector. More particularly, a retaining means adapted to tolerate bowed slides by having clearance grooves for receiving the bowed slides and for permitting same to set le... | 11/13/1979 |
| 4171890 | Dichroic rangefinder Disclosed is a reflex rangefinder system for a camera having a pair of li reflecting members mounted to reflect light rays from the scene in the viewfinder system. The members are dichroically coated with different complementary colors such that the dual... | 10/23/1979 |
| 4168886 | Film threading assembly for a motion picture film projector For motion picture film projectors generally of the type having a projection slot on the housing thereof, the improvement comprising an inwardly sloped dynamic frusto-conical film guide surface on the film guide roller, the frusto-conical film guide surfa... | 09/25/1979 |
