Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| RE40650 | Infrared motion detection signal sampler The digital sampler circuit processes an output signal from a high gain analog amplifier having as input an infrared motion detector output signal and a negative low pass filtered feedback signal. The amplifier output signal is a substantially square pulse signal ha... | 03/10/2009 |
| 7463429 | Optical apparatus An optical apparatus includes an optical system including first and second movable lens units independently movable in an optical axis direction, and a controller causing the first movable lens unit to wobble in the optical axis direction based on contrast informati... | 12/09/2008 |
| 7463409 | Flexible electrophoretic-type display An electrophoretic-type display device including an array of microcells, where each microcell is formed by a microwell containing a quantity of ink and a polymer-based membrane connected to upper edges of the microwell. The membrane is formed by curing an aqueous or... | 12/09/2008 |
| 7463430 | Diffraction element, objective lens unit, optical pickup, optical disc apparatus and design method for diffraction element The first and second materials of the diffraction element are selected such that the first material's refraction indexes n1(λ1), n1(λ2) and n1(λ3) for the first, second and third wavelengths λ1, λ2 and λ3... | 12/09/2008 |
| 7461938 | Apparatus and method for determining sphere and cylinder components of subjective refraction using objective wavefront measurement An apparatus for determining spherical and cylinder components of subjective refraction of a patient's vision includes a wavefront measurement device that can produce a measure of quality of vision in a return beam from the patient's eye viewing a target through a c... | 12/09/2008 |
| 7460288 | Methods for determining refractive corrections from wavefront measurements A method for determining a refractive correction for an eye involves measuring an optical error of the eye, calculating at least one image quality parameter for a selected spatial frequency of range of spatial frequencies, based on the measured optical error of the ... | 12/02/2008 |
| 7460311 | Zoom lens system and image pickup apparatus including the same A compact zoom lens system having excellent optical performance. The zoom lens system includes a first lens unit of negative optical power, a second lens unit of positive optical power, a third lens unit of positive optical power, and an F-number defining member. Th... | 12/02/2008 |
| 7458684 | Fundus observation device Highly reliable technology is provided with the capable of forming three-dimensional images of fundus oculi. The image forming part 220 of a computational control unit 200 forms images of the surface of fundus oculi Ef based on results of detecting fun... | 12/02/2008 |
| 7460304 | Thermal vision mask The invention is a thermal imaging camera lens that has an LCD display mounted on the opposing side of the camera, which is integrated into a fire mask visor. The fire mask visor is used in conjunction with an oxygen mask. The thermal imaging lens is directed along ... | 12/02/2008 |
| 7460293 | Display system One embodiment of a display system includes a first array that defines multiple reflective devices each movable between an inactive position to reflect light to a light dump and an active position to reflect light to an imaging region, a second array that defines mu... | 12/02/2008 |
| 7455404 | Ophthalmic lens with multiple phase plates An ophthalmic lens for providing a plurality of foci has an optic comprising an anterior surface, a posterior surface, and an optical axis. The optic has a first region and a second region. The first region has a refractive optical power and comprises a multifocal p... | 11/25/2008 |
| 7457050 | Zoom lens system for use with small electronic sensor A five-element 3:1 zoom lens system in which the first lens group has a negative power and includes two lens elements and the second lens group has a positive power and includes a pair of lens sub-groups, the first sub-group having a positive power and including a p... | 11/25/2008 |
| 7457060 | Lens driving device A lens driving device includes a lens barrel having a lens holder and an extension part extended from the lens holder. The device also includes a piezoelectric vibrator with a piezoelectric body flexed and bent in response to power application with a friction member... | 11/25/2008 |
| 7457044 | Ultra wide angle imaging optical system, ultra wide angle imaging lens device, and image sensing apparatus An ultra wide angle imaging optical system includes, in order from an object side, a first lens group, an aperture stop, and a second lens group. The first lens group includes, in order from the position closest to the object side, a negative meniscus lens element c... | 11/25/2008 |
| 7455406 | Ophthalmic ultrasonic diagnostic apparatus To provide an ophthalmic ultrasonic diagnostic apparatus capable of obtaining measurement result with high reliability without lengthy measurement. The apparatus which measures constituent parts of an eye through A-mode includes an ultrasonic probe for A-mode measur... | 11/25/2008 |
| 7452075 | Hydrodynamically operated multifocal contact lens This invention pertains to a soft contact lens that has a body with a central zone aligned with the optical axis of the eye when a wearer wears the lens. A micro-channel filled with fluid, is positioned at or near the optic zone and is arranged so that when the flui... | 11/18/2008 |
| 7452076 | Collection of ophthalmic lens pairs and ophthalmic lenses having residual reflections exhibiting colors of different intensity Each lens of a pair of lenses is provided on at least one of its faces with an antireflection coating having a luminous reflection factor Rv that is 2.5% or less, having residual reflections exhibiting the same perceived color, the hue angle (h) for the a... | 11/18/2008 |
| 7452077 | Image adjustment derived from optical imaging measurement data A method and apparatus for imaging within the eye is provided whereby a component of eye position is detected using optical imaging data. Tracking eye position over time and correctly registering imaging data for scan locations or using eye position to detect decent... | 11/18/2008 |
| 7453652 | Member switching apparatus, lens switching apparatus, laser repair apparatus, and laser inspection apparatus A linear motor table is provided in a lens switching apparatus of a laser repair apparatus. The linear motor table is fixed with respect to a table and a laser oscillator and moves a lens holder in a horizontal direction. Six objective lenses with magnifications dif... | 11/18/2008 |
| 7452078 | Eye refractive power measurement apparatus An eye refractive power measurement apparatus by which an examiner can properly check reliability of a measurement result while time and effort of the examiner are saved. The eye refractive power measurement apparatus for measuring eye refractive power of an examine... | 11/18/2008 |
| 7453655 | Lens barrel and image pickup apparatus At the time of crimping and fixing a plastic lens on a lens barrel, productivity is improved by achieving an accurate alignment and a reliable crimping. Fixed protrusions are arranged on an outer peripheral portion of the lens at intervals capable of providing three... | 11/18/2008 |
| 7453648 | Zoom lens system, imaging device and camera A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein in zooming from a wide-angle limit to a telephoto limit, the lens units move respectively along an op... | 11/18/2008 |
| 7448751 | Portable video oculography system with integral light stimulus system A goggle based light-weight VOG system includes at least one digital camera connected to and powered by a laptop computer through a firewire connection together with an integral visual light stimulus source. The digital camera may digitally center the pupil in both ... | 11/11/2008 |
| 7450322 | Lens device and imaging apparatus An image capture lens includes, in order and from a side of an object, a first positive lens having a convex surface facing the object, an aperture diaphragm, a second negative lens having a convex surface facing an image, a third positive lens having a concave surf... | 11/11/2008 |
| 7450317 | Zoom lens A zoom lens includes a first lens group having a negative refracting power, a second lens group having a positive refracting power and being aligned closer to an image surface than the first lens group, and a third lens group aligned closer to the image surface than... | 11/11/2008 |
| 7445334 | Lenses A method of sealing lenses includes the steps of grinding the edges of at least two lenses, cleansing the lenses, positioning the lenses next to one another, applying an adhesive to the ground edges of the lenses and placing the lenses in an oven to cure the adhesiv... | 11/04/2008 |
| 7446952 | Catadioptric projection objective A catadioptric projection objective for imaging an off-axis effective object field arranged in an object surface of the projection objective onto an off-axis effective image field arranged in an image surface of the projection objective has: an optical axis; an effe... | 11/04/2008 |
| 7446929 | Photonic device including at least one electromagnetic resonator operably coupled to a state-change material Various aspects of the present invention are directed to photonic devices configured to control transmission of electromagnetic radiation through a resonator structure. In one aspect of the present invention, a photonic device includes at least one electromagnetic r... | 11/04/2008 |
| 7443568 | Method and system for resonant operation of a reflective spatial light modulator A method of activating a micro-mirror includes applying a first electrode voltage to one or more electrodes associated with the micro-mirror. The micro-mirror is positioned at a first positive deflection angle during a portion of the application of the first electro... | 10/28/2008 |
| 7443600 | Zoom lens and image pickup apparatus having the same At least one exemplary embodiment is directed to a zoom lens which includes, in order from the object side to the image side, a first lens unit having a negative refractive power, a second lens unit having a negative refractive power, a stop, a third lens unit havin... | 10/28/2008 |
| 7443562 | Display device A display device includes a porous body impregnated with electroendosmosis liquid, a transparent plate which is opposed to the porous body with a space intervening therebetween and is provided on its side facing the porous body with a light diffusive reflection surf... | 10/28/2008 |
| 7443561 | Deep quantum well electro-absorption modulator Double well structures in electro-absorption modulators are created in quantum well active regions by embedding deep ultra thin quantum wells. The perturbation introduced by the embedded, deep ultra thin quantum well centered within a conventional quantum well lower... | 10/28/2008 |
| 7441898 | Method and apparatus for detecting natural modes of vibration of an eye by laser interferometry, and an application thereof to measuring intraocular pressure The eye is positioned relative to a detection device in such a manner as to co-operate with the device to form a Fabry-Perot cavity having a main optical axis and comprising two opposite reflecting faces on the main optical axis, one of these two faces being constit... | 10/28/2008 |
| 7443620 | Lens barrel unit and imaging apparatus There are provided a lens barrel unit and an imaging apparatus in which a plurality of constituent elements can be driven using a linear driving mechanism. The lens barrel unit 6 comprises: an actuator 31 for positioning a driving member 40 that... | 10/28/2008 |
| 7443619 | Optical element holding apparatus, exposure apparatus and device manufacturing method At least one exemplary embodiment is directed to an optical element holding apparatus including a force generating actuator configured to deform the optical element, a measuring device configured to measure a position of the optical element, and a displacement causi... | 10/28/2008 |
| 7443602 | Zoom lens and imaging apparatus using zoom lens To provide a zoom lens which attains high zoom ratio and high optical performance over the entire zoom range, enables vibration control and miniaturization, and is compatible with a solid-state imaging device with a large size and a large number of pixels, the zoom ... | 10/28/2008 |
| 7436577 | Display medium, display device and display method using the display medium The present invention provides a display medium comprising a display layer which selectively displays white or black color, and a light-modulating layer provided on the display layer including mobile fine particles which show coloration in a dispersed state, a displ... | 10/14/2008 |
| 7436573 | Electrical connections in microelectromechanical devices A micromirror device and a method of making the same are disclosed herein. The micromirror device comprises a mirror plate, hinge, and post each having an electrically conductive layer. One of the hinge, mirror plate, and post further comprises an electrically insul... | 10/14/2008 |
| 7436604 | Optical lens system for taking image An optical lens system for taking image comprises two lens elements with refractive power, from the object side to the image side: a first lens element with positive refractive power having a convex object-side surface and a concave image-side surface, the object-si... | 10/14/2008 |
| 7436603 | Optical lens system for taking image An optical lens system for taking image comprises three lens elements with refractive power, from the object side to the image side: a first positive lens element having a convex front surface and a concave rear surface, and the front surface being aspheric; a negat... | 10/14/2008 |
