Sample U.S. Patents for Astigmatism, Astygmatism
| Number | | Title |
| 7,035,174 |
|
Optical disc drive and optical pickup apparatus that correct astigmatism |
| 7,030,394 |
|
Charged particle beam apparatus and automatic astigmatism adjustment method |
| 7,026,614 |
|
Automatic methods for focus and astigmatism corrections in charged-particle beam instrument |
| 7,004,935 |
|
Offset ablation profiles for treatment of irregular astigmatism |
| 6,992,289 |
|
Method for performing focusing in a particle-optical device with the aid of astigmatism in the particle beam |
| 6,929,638 |
|
Eye registration and astigmatism alignment control systems and method |
| 6,926,406 |
|
Contact lens for correcting myopia and/or astigmatism |
| 6,866,661 |
|
Eye registration and astigmatism alignment control systems and method |
| 6,850,659 |
|
Grin lens based astigmatism correcting optical coupler |
| 6,826,322 |
|
Astigmatism correcting optical coupler |
| 6,825,480 |
|
Charged particle beam apparatus and automatic astigmatism adjustment method |
| 6,801,491 |
|
Focus error detecting apparatus of optical pickup with a light separating and astigmatism generation optical element and detection method thereof |
| 6,786,604 |
|
Projection system having low astigmatism |
| 6,778,579 |
|
Solid-state laser compensated for pumping-light astigmatism |
| 6,746,121 |
|
Defocus and astigmatism compensation in a wavefront aberration measurement system |
| 6,702,806 |
|
Eye registration and astigmatism alignment control systems and method |
| 6,677,585 |
|
Scanning charged particle microscope, and focal distance adjusting method and astigmatism correction method thereof |
| 6,672,721 |
|
Projection system having low astigmatism |
| 6,645,936 |
|
Reducing postoperative astigmatism |
| 6,621,202 |
|
Cathode ray tube apparatus including an electron gun assembly capable of dynamic astigmatism compensation |
| 6,582,076 |
|
Ophthalmic lenses useful in correcting astigmatism and presbyopia |
| 6,576,407 |
|
Method of improving astigmatism of a photoresist layer |
| 6,572,607 |
|
Offset ablation profiles for treatment of irregular astigmatism |
| 6,567,354 |
|
Optical pickup device minimizing an undesirable astigmatism |
| 6,536,130 |
|
Overlay mark for concurrently monitoring alignment accuracy, focus, leveling and astigmatism and method of application thereof |
| 6,489,620 |
|
Astigmatism-correction device and charged-particle-beam microlithography apparatus and methods comprising same |
| 6,467,906 |
|
System for evaluating and correcting irregular astigmatism in the eye of a patient |
| 6,445,668 |
|
Astigmatism generating device to remove comma aberration and spherical aberration |
| 6,424,084 |
|
Cathode ray tube apparatus including an electron gun assembly capable of dynamic astigmatism compensation |
| 6,409,718 |
|
Device and method for correcting astigmatism by laser ablation |
| 6,389,053 |
|
Solid-state laser compensated for pumping-light astigmatism |
| 6,388,261 |
|
Charged-particle-beam microlithography apparatus and methods exhibiting reduced astigmatisms and linear distortion |
| 6,384,524 |
|
Inline electron gun with improved astigmatism for a cathode ray tube |
| 6,379,008 |
|
Method of determining the shape of an opthalmic contact lens for correcting optical aberrations of the eye beyond defocusing or astigmatism and system for implementing the method |
| 6,363,038 |
|
Optical pickup device minimizing an undesirable astigmatism |
| 6,208,748 |
|
Monitoring focus of a lens imaging system based on astigmatism |
| 6,195,208 |
|
Single aspherical lens for de-astigmatism, collimation, and circulation of laser beams |
| 6,194,824 |
|
Color cathode ray tube with astigmatism correction system |
| 6,167,018 |
|
Optical information storage apparatus having cylindrical lens for eliminating astigmatism generated by polarization beam splitter and newly generating astigmatism |
| 6,167,017 |
|
Optical head assembly having means for detecting tracking errors based on astigmatisms generated by returning beams |
| 6,151,154 |
|
Optical pickup, aberration correction unit and astigmatism measurement method |
| 6,142,625 |
|
Toric multifocal lens having different astigmatism corrective optical powers in respective vision correction regions, and method of producing the same |
| 6,086,579 |
|
Method of analyzing astigmatism and apparatus for performing corneal surgery |
| 6,086,202 |
|
Method of producing angular tolerance markings for lenses for correcting astigmatism, and associated lenses |
| 6,067,164 |
|
Method and apparatus for automatic adjustment of electron optics system and astigmatism correction in electron optics device |
| 6,063,072 |
|
Methods and systems for correction of hyperopia and/or astigmatism using ablative radiation |
| 6,025,600 |
|
Method for astigmatism correction in charged particle beam systems |
| 6,002,201 |
|
Cathode ray tube with reduced astigmatism and curvature of field |
| 5,999,509 |
|
Optical pickup device with two independent light beams and an integrated prism for providing return light with astigmatism |
| 5,975,084 |
|
Method for surgically achieving minimum astigmatism measured refractively and topographically |
| 5,971,541 |
|
Correction of astigmatism using rotationally symmetric contact lenses |
| 5,938,674 |
|
Astigmatism reducing cutter |
| 5,934,285 |
|
Method for reducing irregular astigmatism and debris/epithelium in the interface during lamellar corneal flap/cap surgery |
| 5,923,482 |
|
Changing astigmatism in an optical system |
| 5,883,982 |
|
Astigmatism measurement apparatus and method based on a focal plane separation measurement |
| 5,868,950 |
|
Method to correct astigmatism of fourth yag to enable formation of sub 25 micron micro-vias using masking techniques |
| 5,864,433 |
|
Astigmatism-correcting optical system, projection exposure apparatus using the optical system and device manufacturing method |
| 5,856,959 |
|
Method for generating a focus error signal due to astigmatism and optical pickup device using the same |
| 5,850,081 |
|
Method for generating a focus error signal due to astigmatism and optical pickup device using the same |
| 5,824,074 |
|
Intraoccular lens arrangement and method for correcting astigmatism |
| 5,793,041 |
|
Method for correcting astigmatism and focusing in charged particle optical lens-barrel |
| 5,790,227 |
|
Highest-ophthalmic-quality hand-assembled instant multi-focal prescription eyeglasses custom adjusted to wearer astigmatism, pupillary distance and/or segment height |
| 5,754,504 |
|
Device for recording or reproducing information on an optical recording medium having an objective lens with an astigmatism producing off optical axis minimum total astigmatism position to correct tracking astigmatism |
| 5,749,867 |
|
Method of analysing astigmatism and apparatus for performing corneal surgery |
| 5,740,815 |
|
Method for surgically achieving minimum astigmatism measured refractively and topographically |
| 5,734,235 |
|
Electron gun with reduced astigmatism and curvature of field and CRT employing same |
| 5,710,479 |
|
Color display tube comprising an in-line electron gun with astigmatism tuning element |
| 5,701,203 |
|
Astigmatism correcting element |
| 5,697,945 |
|
Corneal surface marker and marking method for reducing irregular astigmatism during lamellar (LASIK) corneal surgery |
| 5,652,638 |
|
Concentric annular ring lens designs for astigmatism |
| 5,627,373 |
|
Automatic electron beam alignment and astigmatism correction in scanning electron microscope |
| 5,579,106 |
|
Method and apparatus for providing astigmatism-reduced images with spectroscopic instruments |
| 5,549,597 |
|
In situ astigmatism axis alignment |
| 5,531,753 |
|
Surgical correction of astigmatism |
| 5,514,124 |
|
Method of analyzing astigmatism and apparatus for performing corneal surgery |
| 5,496,993 |
|
Optical pickup device with wedge shaped and concave lens for correcting a coma and astigmatism |
| 5,488,265 |
|
Electron gun with chain-link main lens for static correction of electron beam astigmatism |
| 5,469,017 |
|
Permanent magnet focus unit with integral astigmatism corrector |
| 5,452,085 |
|
Spectrographic astigmatism correction system |
| 5,411,501 |
|
Laser reprofiling system for correction of astigmatisms |
| 5,384,656 |
|
Astigmatism corrected gratings for plane grating and spherical mirror spectrographs |
| 5,356,409 |
|
Equipment for the correction of astygmatism by remodelling the corneal surface by means of photo-ablation |
| 5,350,967 |
|
Inline electron gun with negative astigmatism beam forming and dynamic quadrupole main lens |
| 5,313,062 |
|
Automatic focusing and astigmatism correction for electron beam apparatus |
| 5,283,774 |
|
Optical disk storage having focus servocontrol system in accordance with astigmatism method |
| 5,250,062 |
|
Instrument for surgically correcting astigmatism |
| 5,239,414 |
|
Laser astigmatism compensation |
| 5,233,466 |
|
Astigmatism generating device |
| 5,200,857 |
|
Color separation/synthetic optical system including two dichroic mirrors angled for correction of astigmatism |
| 5,187,359 |
|
Electronic imaging device for use with photographic cameras for minimizing astigmatism |
| 5,171,266 |
|
Variable power intraocular lens with astigmatism correction |
| 5,125,728 |
|
Soft contact lens for the correction of astigmatism |
| 5,117,112 |
|
Method and apparatus for monitoring astigmatism and focus in electron microscope |
| 5,100,226 |
|
Diffractive ophthalmic lens for correcting astigmatism |
| 5,090,425 |
|
Method of controlling astigmatism during eye surgery |
| 5,061,058 |
|
Opthalmic lens for use in the correction of astigmatism |
| 5,047,646 |
|
Method of correcting astigmatism of variable shaped beam |
| 5,020,898 |
|
Contact lens for correction of astigmatism |
| 5,016,977 |
|
Optical lens for correcting astigmatism |
| 4,968,874 |
|
Optical pickup with astigmatism correcting lens |
| 4,952,787 |
|
Method and apparatus for detecting focus error using pits and light beams having astigmatism |
| 4,907,587 |
|
Method for surgical correction of mixed and hypermetropic astigmatism and a device for carrying same into effect |
| 4,899,091 |
|
Cathode-ray-tube astigmatism correction apparatus |
| 4,823,046 |
|
Color picture tube with astigmatism correction means |
| 4,805,992 |
|
Astigmatism generator |
| 4,791,295 |
|
Method and apparatus for automatically correcting astigmatism of scanning electron microscope or the like |
| 4,789,978 |
|
System and method of astigmatism correction in an optical head apparatus |
| 4,780,879 |
|
Semiconductor laser device having little astigmatism |
| 4,778,984 |
|
Apparatus for detecting focus from astigmatism |
| 4,771,216 |
|
Electron gun system providing for control of convergence, astigmatism and focus with a single dynamic signal |
| 4,731,527 |
|
An astigmatic focusing system with optical elements oriented to produce astigmatism in a predetermined direction to maximize detector sensitivity |
| 4,709,139 |
|
Coma correction in optical head with astigmatism for focusing error detection |
| 4,672,276 |
|
CRT astigmatism correction apparatus with stored correction values |
| 4,647,164 |
|
Apparatus for and method of correcting for astigmatism in a light beam reflected off of a light reflecting surface |
| 4,631,545 |
|
Antenna arrangement capable of astigmatism correction |
| 4,619,505 |
|
Refractometry process and device for measuring the degree of ametropia, and especially the degree of astigmatism, of the eye |
| 4,567,369 |
|
Correction of astigmatism in electron beam instruments |
| 4,553,629 |
|
Ellipticized acoustical lens providing balanced astigmatism |
| 4,512,039 |
|
Method of offsetting postoperative astigmatism with an intraocular lens |
| 4,503,435 |
|
Multibeam antenna arrangement with minimal astigmatism and coma |
| 4,482,898 |
|
Antenna feed arrangement for correcting for astigmatism |
| 4,413,704 |
|
Ellipticized acoustical liquid filled lens providing balanced astigmatism |
| 4,392,054 |
|
Method and apparatus for compensating for astigmatism in electron beam devices |
| 4,356,883 |
|
Ellipticized rubber acoustical lens providing balanced astigmatism |
| 4,350,923 |
|
Electron gun with balanced lens lips to reduce astigmatism |
| 4,321,468 |
|
Method and apparatus for correcting astigmatism in scanning electron microscopes and similar equipment |
| 4,312,573 |
|
Ellipticized infrared lens providing balanced astigmatism |
| 4,306,777 |
|
Ellipticized optical lens providing balanced astigmatism |
| 4,277,852 |
|
Intraocular lens with astigmatism correction |
| 4,249,112 |
|
Dynamic focus and astigmatism correction circuit |
| 4,224,626 |
|
Ellipticized lens providing balanced astigmatism |
| 4,214,163 |
|
Method and apparatus for correcting astigmatism in a scanning electron microscope or the like |
| 4,183,668 |
|
Method of eliminating astigmatism and coma in a spectrograph including a plane grating and two concave, spherical mirrors |
| 4,180,738 |
|
Astigmatism in electron beam probe instruments |
| 4,172,639 |
|
Apparatus for determination of corneal astigmatism |
| 4,162,403 |
|
Method and means for compensating for charge carrier beam astigmatism |
| 4,145,695 |
|
Launcher reflectors for correcting for astigmatism in off-axis fed reflector antennas |
| 4,127,109 |
|
System of controlling astigmatism during cataract surgery |
| 3,974,411 |
|
Channel plate electron multiplier tube having reduced astigmatism |
Sample U.S. Trademarks for Astigmatism, Astygmatism
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