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 |
| 7742158 | Method and apparatus for locally measuring refractive characteristics of a lens in one or several specific points of said lens The measurement apparatus includes: a support arranged to receive a lens; lighting element including an optical system for generating a collimated light beam directed towards the lens under measurement installed on the support; detachment elements for detaching ligh... | 06/22/2010 |
| 7400388 | Method for determining distortion and/or image surface A method for determining at least one of distortion and de-focus for an optical imaging system. The method includes determining wavefront aberrations in a pupil plane of the optical imaging system by a wavefront measurement method, determining focus offset measured ... | 07/15/2008 |
| 7368846 | Microactuator with displacement sensing function and deformable mirror including the microactuator According to the present invention, a moving element Ai such as an electrostatically driven actuator is displaced by supplying a drive signal thereto. Meanwhile, a displacement sensing section 6 senses its displacement and a calibrating section 15 auto... | 05/06/2008 |
| 7324190 | System for visualization of optical marking on an ophthalmic lens, stamp-marking device and method for orientation of lenses using such a system The system comprises a light source, supplying an incident light beam illuminating the ophthalmic lens. On the optical path of the incident beam, reflecting means are arranged downstream from the ophthalmic lens and a collimation and magnifying lens is arranged upst... | 01/29/2008 |
| 7245363 | Optical sensor An optical detection system according to the present invention includes: a spatial light modulator for modulating the phase of incoming light; a photodetector having a plurality of photosensitive areas to receive the light of which the phase has been modulated by th... | 07/17/2007 |
| 7154111 | Cornea characteristics measuring device An apparatus for measuring characteristics of a substance is provided. The apparatus includes a light source to generate light to form an image. A splitter transmits the light from the light source to a first lens, which collimates the light. A second lens receives ... | 12/26/2006 |
| 6819414 | ABERRATION MEASURING APPARATUS, ABERRATION MEASURING METHOD, PROJECTION EXPOSURE APPARATUS HAVING THE SAME MEASURING APPARATUS, DEVICE MANUFACTURING METHOD USING THE SAME MEASURING METHOD, AND EXPOSURE METHOD An aberration measuring apparatus has a converging lens L disposed on the light path of light beam to converge light beam traveling through a measurement target optical system PL on a predetermined surface IP, an aperture stop AP disposed on the light path of light ... | 11/16/2004 |
| 6703988 | Monitor for showing high-resolution and three-dimensional images and method A display system or monitor arrangement for stereoscopic displaying of images includes a pair of displays for providing respective left eye and right eye images and arranged in perpendicular intersecting planes, a beam splitter for combining the images fr... | 03/09/2004 |
| 6346981 | Lens testing device A lens testing device comprises a holder, fitted on a stand, for mounting a lens specimen, a test object illuminated from the rear, an imaging objective and a detector for evaluating the image of the test object. The imaging objective can be combined with... | 02/12/2002 |
| 6177986 | Method of testing a lens having variable field angles An assemblage and method for testing a lens having a plurality of field angles employs an improved modulation transfer function (MTF) design system for evaluating image quality produced by the lens being tested. A reflecting surface capable of translation... | 01/23/2001 |
| 5973773 | Lens distortion measurement using moire fringes A lens distortion measurement system has a first grating of a first pitch on a transparent support such as a quartz reticle. The reticle is disposed between an illumination source and the lens system whose distortion is to be measured. An image sensor is ... | 10/26/1999 |
| 5602640 | Lensmeter accessory A lensmeter accessory is disclosed for supporting and positioning a corneal contact lens in a light path of a lensmeter. The accessory comprises a generally planer body with a tapered slot therein having a slot wall defining a recessed groove for receivin... | 02/11/1997 |
| 5148231 | Apparatus for measuring a refracting power of an optical system An apparatus for measuring a refracting power of an optical system which comprises: a beam projecting optical system which projects a predetermined moving luminous flux to an optical system to be inspected; a beam condensing optical system in which a phot... | 09/15/1992 |
| 4991229 | Optical transmitter power measurement and control A fiber optic transmission system including a fiber optic link. Transmitting apparatus transmits an optical signal having a concentration of energy at a particular wavelength. Routing apparatus then routes optical signals in response to the concentration ... | 02/05/1991 |
| 4702596 | Apparatus for measuring the refractive power of an optical system An optical system to be inspected is scanned with slit-shaped illuminating beams. The beams from the optical system are received with two or more pairs of photoelectric converting elements and the refractive power of the above mentioned optical system is ... | 10/27/1987 |
| 4526451 | Apparatus for measuring the refractive power of an optical system An apparatus in which an optical system to be examined is periodically scanned by a slit-like illuminating light beam and the light beam from the optical system is received by two pairs of photoelectric converters and the refractive power of the optical s... | 07/02/1985 |
| 4241996 | Apparatus for measuring the quality of optical equipment The invention is an apparatus for determining the quality of optical equipment through measurement of the modulation transfer function of the equipment. The apparatus includes an elongated, opaque sheet member or reticle, uniformly curved about an axis su... | 12/30/1980 |
| 4173398 | Optical system for objective eye-examination An objective eye examination apparatus generates rotating pencil rays of infrared light and focuses one of them on the eye pupil via an adjustable wedge reflector 55, 57 for varying the effective length of the optical axis. Light reflected back by the ret... | 11/06/1979 |
| 4033696 | Lens meter A lens meter includes a target, a collimator lens system for forming an image of the target, a member having a reflecting surface facing the collimator lens system, and an indicating plate disposed at the focal point of the collimator lens system, and at ... | 07/05/1977 |
| 4011446 | Device for producing a signal indicating the directional movement required to achieve focus A light focus sensor having first and second grids comprised of interlaced light transmissive and light reflective portions and a rotating optical modulator comprised of a plurality of alternate light transparent and light opaque portions. The modulator p... | 03/08/1977 |
| 3960450 | Lens meter with target orthogonalizer A lens meter for measuring the focal length of a sample lens with the sample lens disposed in a collimated light beam comprises a target, a first lens for forming an image of the target, light beam splitter means in the light beam on the image forming sid... | 06/01/1976 |
| 3941996 | Automatic focus apparatus An optical focus detecting apparatus for an optical system includes a focus scanning and spatial frequency filter comprising a rotating chopper disc. The disc is arranged at an angle with respect to the axis thereof whereby the disc focus position is osci... | 03/02/1976 |
