Quotables
"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7675673 | Apparatus for providing multiple time-division multiplexed independently controllable pulsed beams from a single, pulsed laser output-beam An output beam from a laser is directed into an acousto-optic cell. The laser beam includes repeated sequences of two or more pulses. The acousto-optic cell is sequentially driven by RF voltages at two or more frequencies. A portion of the laser output beam is diffr... | 03/09/2010 |
| 7321004 | Method for photo-curing polymerizable compositions A method for curing polymerizable compositions by irradiating the compositions with light that is emitted from an LED. The method of the present invention is especially preferred for curing dental compositions. ... | 01/22/2008 |
| 7294364 | Method for curing composite materials A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 11/13/2007 |
| 7119762 | Method and apparatus for selectively viewing captioning Alphanumeric images are displayed in common view in one color on a background of a different color using a liquid crystal projection device. The two colors are sufficiently similar so they are not distinguished by the unaided eye of the viewer. A color selective mat... | 10/10/2006 |
| 7094054 | Dental curing light A curing light system useful for curing light activated composite materials is disclosed. The system includes a light emitting semiconductor device, a primary heat sink and a secondary heat sink. Various configurations of light emitting semiconductor chips and heat ... | 08/22/2006 |
| 7086858 | Semiconductor curing light system useful for curing light activated composite materials A curing light system useful for curing light activated composite materials is disclosed. The system includes a light emitting semiconductor device, a primary heat sink and a secondary heat sink. Various configurations of light emitting semiconductor chips and heat ... | 08/08/2006 |
| 7077648 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 07/18/2006 |
| 7066732 | Method for curing light-curable materials A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 06/27/2006 |
| 7060213 | Cushioning devices, gelatinous elastomer materials, and devices made therefrom A cushion that includes a cushioning element. The cushioning element has a number of substantially parallel elongate columns formed in a soft, easily deformable elastic or visco-elastic cushioning media. The columns are configured so that when a force is applied to ... | 06/13/2006 |
| 6979193 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 12/27/2005 |
| 6974319 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 12/13/2005 |
| 6971875 | Dental curing light A curing light system useful for curing light activated composite materials is disclosed. The system includes a light emitting semiconductor device, a primary heat sink and a secondary heat sink. Various configurations of light emitting semiconductor chips and heat ... | 12/06/2005 |
| 6932600 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 08/23/2005 |
| 6929472 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 08/16/2005 |
| 6926524 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 08/09/2005 |
| 6910886 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 06/28/2005 |
| 6867899 | Microscope, flow cytometer, and method for examination of a specimen A microscope with a light source that emits light for illumination of a specimen and with a spectrometer that receives detection light proceeding from the specimen, has an optical arrangement which has an acoustooptical component, and which directs the light of the ... | 03/15/2005 |
| 6865013 | High-resolution optical microscope A direct-view optical microscope system is provided which uses high-energy light from a phenomenon known as non-resonant Raman scattering to illuminate a living biological specimen. One embodiment of the system combines two discrete light sources to form a combined ... | 03/08/2005 |
| 6587264 | Selectively tuned ultraviolet optical filters and methods of use thereof A novel, cost effective optical filter is employed for photosensors used in ultraviolet-based water purification systems. Optically tuned to specifically eliminate the non-germicidal wavelength polychromatic emissions from mercury lamps, this unique optic... | 07/01/2003 |
| 6576901 | Arrangement for scanning a specimen receiving device The invention concerns an arrangement for scanning a specimen receiving device (1) for data recording with a laser scanning microscope, preferably with a confocal laser scanning microscope (2), with which imaging of large specimen fields with sufficient s... | 06/10/2003 |
| 6282013 | System for curing polymeric materials, such as those used in dentistry, and for tailoring the post-cure properties of polymeric materials through the use of light source power modulation A method and system are disclosed for curing polymeric materials including dental composites. Preferably, modulated light is used to control the formation of polymer chains in the polymeric material so that a cured polymeric material that has the desired ... | 08/28/2001 |
| 6172799 | Three channel acousto-optical devices A three channel acousto-optic modulator may be used to implement a projection display or a scanner. Each of three channels are deflected differently by the modulator. The channels may correspond to the primary color planes.... | 01/09/2001 |
| 6144482 | Acousto-optic modulator for selective extraction of one or more wavelengths from randomly polarized polychromatic light beam A polarization-independent polychromatic light modulator applies one or more pairs of predetermined RF drive frequencies to an acousto-optic transducer of an acousto-optic modulator body upon which a single beam of randomly polarized or unpolarized polych... | 11/07/2000 |
| 6064510 | Spectro-polarimetric imager An electronically agile spectro-polarimetric imager is described in which an acousto-optic tunable spectral filter (AOTF) is located in series with an electronically tunable optical phase modulation plate such that incident radiation will pass through the... | 05/16/2000 |
| 5946128 | Grating assisted acousto-optic tunable filter and method An acousto-optic tunable filter and filtering method are disclosed providing for a significantly increased number of available wavelength channels for output. The filter combines a diffraction grating, the grating vector of which is transverse to light pr... | 08/31/1999 |
| 5796512 | Subicron imaging system having an acousto-optic tunable filter An imaging system comprises an acousto-optic tunable filter for receiving light at an input end thereof and outputting light at an output end thereof. A control circuit is provided for tuning the filter. A prism is responsive to the light output by the tu... | 08/18/1998 |
| 5784191 | Frequency agile filter and technique Combining a tristimulus filter, two lenses, and a crystalline colloidal ay filter in an arrangement resulting in a visible optical limiter without substantial color distortion that can be used for eye or sensor protection. Only three nonlinear colloidal ... | 07/21/1998 |
| 5687020 | Image projector using acousto-optic tunable filter A high definition image projector is provided for modulating light using an acousto-optic tunable filter according to image signals and projecting the modulated light on a screen. An image is obtained by modulating a light beam by pixel units according to... | 11/11/1997 |
| 5617243 | Electro-optical system and method of displaying images An electro-optical system such as an image display system and a method of displaying images are described. Laser beams of three primary colors are emitted from three lasers in a time sharing mode. These laser beams are directed onto the same optical path ... | 04/01/1997 |
| 5463493 | Acousto-optic polychromatic light modulator An acousto-optic polychromatic light modulating apparatus employs an acousto-optic medium, and a single piezoelectric transducer, which is driven by a plurality of frequency components, the intensities of which are controlled in response to input electron... | 10/31/1995 |
| 5264957 | Electrically controlled multiple dispersion (zoom) device The optical device can examine a spectrum at low resolution and subsequently choose a portion of that spectrum to be examined at higher resolution, using a single detector array for both spectra. The latter spectrum can be chosen to be arbitrarily anywher... | 11/23/1993 |
| 4798449 | Polychromatic acousto-optical deflector An incident beam (5) composed by a plurality of rays passes through a crystal (1') in which the rays of given wavelengths (λ1, λ2, λ3) are modulated and deflected to be recieved by respective mirrors including a most distant mirror which is furthest fr... | 01/17/1989 |
| 4556290 | Light source with acousto-optic deflector and afocal lens system The light source comprises a light emitter (31) which emits a plurality of beams of light (32) of different colors, a deflector (33) which receives said plurality of different color beams and which deflects them through angles Oi which are a function both... | 12/03/1985 |
| 4548477 | Light modulating apparatus A light modulating apparatus in which a plurality of light beams, such as laser beams, having different wavelengths are coaxially introduced into a single light modulator, and the zero-order diffracted lights of the light beams modulated by the light modu... | 10/22/1985 |
| 4150880 | Optical achromatization for acoustooptic deflectors An acoustooptic deflection cell diffracts a multi-color beam into a plurality of different mono-color beams of distinct scan angles. An optical system intercepts the diffracted light beams, equalizes the differenct scan angles and realigns the beams to re... | 04/24/1979 |
| 4093976 | Acousto-optic image scanner An acousto-optic image scanner employing pulses of acoustic surface waves which propagate along the length of a piezoelectric crystal performing as a traveling phase grating to diffract a collimated monochromatic light beam which has a spatial light distr... | 06/06/1978 |
| 4032220 | Light optic data handling system The system herein includes light optic means which functions as light beam distributor in making available, almost instantly, one or more of a plurality of input light beams at any of a plurality of differently positioned output paths of the system as opp... | 06/28/1977 |
| 3988671 | Method and apparatus for colinear acousto-optic RF spectrum analysis There is disclosed a method and apparatus for radio frequency signal spectrum analysis wherein an acoustic wave having frequency components representative of those which exist in the radio frequency signal to be analyzed is derived from the signal and tra... | 10/26/1976 |
