|
| |
| | Optical computer - Wikipedia, the free encyclopedia |
 | | An optical computer is a computer that uses bound electrons in isolating crystals instead of free electrons in transistors for computation. | | | Optical computing is a major branch of the study of photonics and polaritonics. | | | Optical Computer Architectures: The Application of Optical Concepts to Next Generation Computers, Optical Computer Architectures: The Application of Optical Concepts to Next Generation Computers book by Alastair D. McAulay (1999) |
|
http://en.wikipedia.org/wiki/Optical_computer
(1127 words)
|
|
| |
| | Optics - Wikipedia, the free encyclopedia |
| | Rainbows and mirages are examples of optical phenomena. | | | Applied optical sciences are often called optical engineering. | | | Some optical phenomena depend on the quantum nature of light and as such some areas of optics are also related to quantum mechanics. |
|
http://en.wikipedia.org/wiki/Optical
(808 words)
|
|
| |
| | Optical disc - Wikipedia, the free encyclopedia |
| | The promotion of standardised optical storage is undertaken by the Optical Storage Technology Association (OSTA). | | | Major third-generation optical discs are currently in development. | | | In computing, sound reproduction, and video, an optical disc is flat, circular, usually polycarbonate disc whereon data is stored. |
|
http://en.wikipedia.org/wiki/Optical_disc
(390 words)
|
|
| |
| | Optical character recognition - Wikipedia, the free encyclopedia |
| | Optical character recognition (using optical techniques such as mirrors and lenses) and digital character recognition (using scanners and computer algorithms) were originally considered separate fields. | | | Optical character recognition, usually abbreviated to OCR, involves computer software designed to translate images of typewritten text (usually captured by a scanner) into machine-editable text, or to translate pictures of characters into a standard encoding scheme representing them in (ASCII or Unicode). | | | One area where accuracy and speed of computer input of character information exceeds that of humans is in the area of magnetic ink character recognition, where the error rates range around one read error for every 20,000 to 30,000 checks. |
|
http://en.wikipedia.org/wiki/Optical_character_recognition
(1187 words)
|
|
| |
| | Mouse (computing) - Wikipedia, the free encyclopedia |
| | In a separate line of evolution, the optical mouse detected movement using an optical sensor on its underside, paired with a light-emitting diode to illuminate the surface. | | | This variant of the mouse resembled an inverted trackball, and was the predominant form used with personal computers throughout the 1980s and 1990s. | | | A mouse is a handheld pointing device for computers, involving a small object fitted with one or more buttons and shaped to sit naturally under the hand. |
|
http://en.wikipedia.org/wiki/Computer_mouse
(4798 words)
|
|
| |
| | Optical disc - Wikipedia, the free encyclopedia |
| | The promotion of standardised optical storage is undertaken by the Optical Storage Technology Association (OSTA). | | | Major third-generation optical discs are currently in development. | | | In computing, sound reproduction, and video, an optical disc is flat, circular, usually polycarbonate disc whereon data is stored. |
|
http://en.wikipedia.org/wiki/Optical_disc
(389 words)
|
|
| |
| | Optical Data Storage Systems |
| | The first photographs were developed about 200 years ago and represented an analog optical storage, which has a limited application for information storage since it is difficult to interface analog data with machines, plus there is a continuous degradation of data at every step of reading and writing. | | | For the current optical storage systems, the depth of focus is about 1 mm. | | | Todays meaning of optical data storage refers to storage systems that use light for recording and retrieval of information. |
|
http://www.usbyte.com/common/optical_data_storage_systems.htm
(699 words)
|
|
| |
| | NASA scientists work to improve optical computing technology |
| | For example, a calculation that might take a conventional electronic computer more than eleven years to complete could be performed by an optical computer in a single hour. | | | A European collaborative effort has demonstrated high-speed optical data input and output in free-space between IC chips in computers at a rate of more than 1 Tb/sec. | | | They are vital for the development of optical computing and optical communication. |
|
http://science.nasa.gov/headlines/y2000/ast28apr_1m.htm
(1621 words)
|
|
| |
| | Optical - Encyclopedia.WorldSearch |
| | Some optical phenomena depend on the quantum nature of light and as such some areas of optics are also related to quantum mechanics. | | | Rainbows and appearances of fata Morgana or the green ray are examples of optical phenomena. | | | Applied optical sciences are often called optical engineering. |
|
http://encyclopedia.worldsearch.com/optical.htm
(1621 words)
|
|
| |
| | Chp 3: Overview of Optical Storage Systems |
| | The access time of an optical storage system is a critical parameter in computing applications such as transaction processing; it represents how fast a data location can be accessed on the disk. | | | As for all data storage systems, optical disk systems are characterized by their storage capacity, data transfer rate, access time, and cost. | | | Up to recently, interest in optical storage systems was restricted to use for very large storage systems and backup systems, because of their robustness and removability. |
|
http://www.wtec.org/loyola/opto/c3_s2.htm
(2177 words)
|
|
| |
| | Define optical computer - a Whatis.com definition - see also: photonic computer |
| | An optical computer (also called a photonic computer) is a device that uses the photons in visible light or infrared (IR) beams, rather than electric current, to perform digital computations. | | | Thus, an optical computer, besides being much faster than an electronic one, might also be smaller. | | | Define optical computer - a Whatis.com definition - see also: photonic computer |
|
http://whatis.techtarget.com/definition/0,,sid9_gci283992,00.html
(441 words)
|
|
| |
| | Switch promises optical chips TRN 111903 |
| | The researchers' switches could be used as optical interconnects in future computer chips. | | | Optical switches could also eventually find use as circuits in fast, all-optical computer chips. | | | The challenges to putting optical switches on computer chips are making the switches small enough and finding ways to control them with light. |
|
http://www.trnmag.com/Stories/2003/111903/Switch_promises_optical_chips_111903.html
(876 words)
|
|
| |
| | Computer Architecture |
| | Computer technology: acquiring and configuring technology devices and computer systems. | | | Students will be able to describe the uses of technical knowledge about computer hardware and system software. | | | Students will be able to demonstrate an understanding of computer hardware technology and architecture. |
|
http://www.jkang.com/CIS250/cis250.htm
(777 words)
|
|
| |
| | Optical Data Storage |
| | The Optical Data Storage Center was formed in 1985 by the Board of Regents of the University of Arizona as a cooperative research center jointly funded by the State of Arizona and private industry. | | | Its mission is to perform leading-edge research in the field of optical data storage to develop an increased understanding of the technologies involved, stimulate industrial innovation and strengthen educational capabilities in industrially relevant science and technology. | | | Optical Data Storage Center research is on the leading edge of the data storage industry and its graduates are in great demand to fill key industry positions. |
|
http://www.optics.arizona.edu/Research/Storage.htm
(673 words)
|
|
| |
| | ScienceDaily: Optical Computer Made From Frozen Light |
| | Optical Switching Could Cause Shakeup In Electronics Industry (February 16, 2000) -- Electronic transistors may one day be replaced by all-optical transistors, which are in early stages of development at the Department of Energy's Oak Ridge National Laboratory (ORNL). | | | Optical computers would transport information ten times faster than traditional electronic devices, smashing the intrinsic speed limit of silicon technology. | | | Computer worm -- A computer worm is a self-replicating computer program, similar to a computer virus. |
|
http://www.sciencedaily.com/releases/2005/04/050424201002.htm
(1592 words)
|
|
| |
| | optical disk: Definition and Much More From Answers.com |
| | optical disk, any of a variety of information storage disks that are played or read using a laser. | | | The promotion of standardised optical storage is undertaken by the Optical Storage Technology Association (OSTA). | | | See DVD, phase change, holographic storage, ISO 13346, multilevel optical disk and legality of optical storage. |
|
http://www.answers.com/topic/optical-disc
(738 words)
|
|
| |
| | Amazon.co.uk: Optical Computer Architectures: The Application of Optical Concepts to Next Generation Computers: Books |
| | Covered are basic optical concepts such as mathematical derivations, optical devices for optical computing, optical associative memories, optical interconnections, and optical logic. | | | This introduction to computer architectures which use optical fibre interconnections describes the basic optical concepts needed to understand the subject, and covers optical devices for optical computing, optical associative memories, optical interconnections and optical logic. | | | Also suggested are a number of research activities that are reinforcing the trend toward optics in computing, including neural networks, the software crisis, highly parallel computation, progress in new semiconductors, the decreasing cost of laser diodes, communication industry investments in fiber optics, and advances in optical devices. |
|
http://www.amazon.co.uk/exec/obidos/ASIN/0471632422
(499 words)
|
|
| |
| | Optical disc recorder - Wikipedia, the free encyclopedia |
| | CD recording on personal computers was originally a batch-oriented task in that it required specialised authoring software to create an "image" of the data to record, and to record it to disc in the one session. | | | Packet writing, together with support from the operating system and a file system like UDF, can be used to mimic random write-access as in media like flash memory and magnetic disks. | | | May not work in some early-model DVD-ROM drives. |
|
http://en.wikipedia.org/wiki/Optical_disc_recorder
(1074 words)
|
|
| |
| | Optical Media |
| | Important new technology is making possible the introduction of optical recording systems with unique capabilities and favorable costs. | | | would be pleased to respond to any inquiry or request you might have for services, data, or information relating to the optical media field. | | | ") has working closely with clients involved in the optical media field. |
|
http://www.mmislueck.com/optical.htm
(1074 words)
|
|
| |
| | Incoherent light optical processor |
| | The optical processor comprising my invention may be used to implement a number of valuable functions, all of which are known in the prior art in coherent light embodiments. | | | Optical signal processors operate exceptionally fast, with outputs available milliseconds to less than a microsecond after the input process is complete. | | | Though digital processors offer flexibility presently not possible in optics, interest continues to be drawn to optical solutions for a variety of reasons. |
|
http://www.freepatentsonline.com/4755745.html
(1074 words)
|
|
| |
| | Optical Storage |
| | Magneto-Optical Technology: a rewritable optical storage technology that uses a combination of magnetic and optical methods. | | | An optical storage technology in which the disk drive writes data with a laser that changes dots on the disk between amorphous and crystalline states. | | | Optical Storage Technology Association: an international trade association dedicated to promoting use of writable optical technology for storing computer data and images. |
|
http://stweb.peel.edu.on.ca/pcsweb/Pc_tut/09optical.htm
(3857 words)
|
|
| |
| | Optical Disc Technology |
| | In optical disc technology, analog signals are converted into digital signals (with the exception of the video information on laserdiscs, as will be explained later). | | | For optical discs these pulse series are recorded on the surface of the disc as microscopically small pits and lands, with the help of a fine laser beam. | | | Optical disc technology is a growing force in home video which became popular with the introduction of the audio Compact Disc. |
|
http://repairfaq.cis.upenn.edu/sam/icets/opttech.htm
(4180 words)
|
|
| |
| | Storage Media - Optical |
| | Its primary charter is to perform leading-edge research in the field of optical data storage in order to develop an increased understanding of the technologies involved, stimulate industrial innovation and to strengthen educational capabilities in industrially relevant science and technology. | | | Optical Data Storage Center - This group was formed in 1985 by the Board of Regents of the University of Arizona as a cooperative research center jointly funded by the State of Arizona and private industry. | | | Storage Management: Building & Maintaining Powerful Systems - Follow a Storage Consultant with experience and expertise in primary storage, data protection, and storage management as he shares new trends and technologies in the storage space and discusses both the nature and specifics of a well designed, implemented, monitored, and maintained storage system. |
|
http://storage.ittoolbox.com/topics/t.asp?t=451&p=451&h1=451
(941 words)
|
|
| |
| | Jukeboxes, optical library storage devices, Imaging |
| | A jukebox or optical library is a device that stores the optical disks and uses a robotic arm to select the correct disk and put it in the optical drive. | | | Contact us for a quote on an optical storage device. | | | An electronic archival storage solution can be categorized as optical storage or magnetic storage. |
|
http://www.imagingsolutions.com/products_optical.htm
(277 words)
|
|
| |
| | Bacteriodopsin based Optical Computer |
| | A bacteriorhodopsin based optical computer will optimally be a sphere. | | | Optimally even the CID should be bR sensors; this way the whole computer works on light making it extremely fast. | | | If the whole computer works on light, even without logistical improvement in memory speed, the speed of the computer will be high. |
|
http://www.thekarunakarans.com/resource/brcomputer
(978 words)
|
|
| |
| | optical mouse - a Whatis.com definition |
| | An optical mouse is an advanced computer pointing device that uses a light-emitting diode (LED), an optical sensor, and digital signal processing (DSP) in place of the traditional mouse ball and electromechanical transducer. | | | The optical mouse takes microscopic snapshots of the working surface at a rate of more than 1,000 images per second. | | | In practice, an optical mouse does not need cleaning, because it has no moving parts. |
|
http://whatis.techtarget.com/definition/0,,sid9_gci507903,00.html
(279 words)
|
|
| |
| | Magneto-optical drive - Wikipedia, the free encyclopedia |
| | A magneto-optical drive is a kind of optical disc drive capable of writing and rewriting data upon a magneto-optical disc. | | | At the Consumer Electronics Show in January 2004, Sony revealed a 1 gigabyte capacity MiniDisc known as "Hi-MD." This sixfold increase in capacity is performed using a magneto-optical trick. | | | A Magneto-optical disc and the numerous rectangles on its surface. |
|
http://en.wikipedia.org/wiki/Magneto-optical_disc
(835 words)
|
|
| |
| | Colossal Storage Corp. |
| | Colossal Storage is a rewritable volume atomic holographic optical data storage company that intends to design, continue to patent, and market its 3D volume holographic optical storage disk drive. | | | "Optical storage like holographic technology is the storage of the future, and it always will be," John Monroe Analysts at Gartner's Planet Storage. | | | Atomic Holographic optical image data storage bandwidth is 400,000 times faster than binary bit text processing bandwidths used in todays storage technology. |
|
http://colossalstorage.net/colossal1.htm
(2660 words)
|
|
| |
| | Imperial College London |
| | “Optical data storage” is a general term covering all data storage techniques that use optical means to read, write and/or erase data. | | | However, our current optical and electronic means are advanced enough to be able to compromise on this point and encode a single pit by more than a bit information. | | | This corresponds to a storage density increase of 3.6 times which was achieved partly by decreasing the wavelength of the laser used to illuminate the disk and partly by increasing the numerical aperture of the lens employed. |
|
http://www.imperial.ac.uk/research/photonics/pt_group/peter_torok_research_topics_ODS.htm
(415 words)
|
|
| |
| | optical storage -- Encyclopædia Britannica |
| | Current approaches to information storage and retrieval include high-density, high-speed, solid-state electronic memories, as well as slower (but generally more spacious) magnetic and optical discs (see computer memory). | | | For the permanent storage of data, one must turn to auxiliary storage, primarily magnetic and optical media such as tapes,... | | | electronic storage medium that uses low-power laser beams to record and retrieve digital (binary) data. |
|
http://www.britannica.com/eb/article-9001488
(820 words)
|
|
|
