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Topic: Holographic memory


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In the News (Thu 31 Dec 09)

  
  Holographic memory with angle, spatial and out-of-plane multiplexing - Patent 5550779
The memory of claim 1 wherein said reference beam steering means comprises means for scanning said reference beam along the strip length of a selected one of said optical strips through a succession of scan angles simultaneously with the modulator means modulating said object beam with said succession of input patterns.
The memory of claim 9 wherein said detector plane is aligned with the path of said object beam to said holographic recording medium.
The memory further includes a detector plane facing the holographic recording medium, and a lens between the holographic recording medium and the detector plane, whereby to focus a reconstructed hologram previously recorded in the holographic recording medium onto the detector plane whenever the object beam is blocked.
www.freepatentsonline.com /5550779.html   (5719 words)

  
  Memory (computers) - Wikipedia, the free encyclopedia
An analogy is to think of the storage as human memory, with the hard disk as long-term memory, and the memory as short-term memory.
Read-only memory, or read-write is a distinction based on properties of the memory.
The term memory identifies data storage that comes in the form of chips, and the word storage is used for memory that exists on tapes or disks.
en.wikipedia.org /wiki/Computer_memory   (1136 words)

  
 Holographic memory - Wikipedia, the free encyclopedia
Holographic memory is a technique that can store information at high density inside crystals or photopolymers.
As current storage techniques such as DVD reach the upper limit of possible data density (due to the diffraction limited size of the writing beams), holographic storage has the potential to become the next generation of storage media.
Like other media, holographic media is divided into write once (where the storage medium undergoes some irreversible change), and rewritable media (where the change is reversible).
en.wikipedia.org /wiki/Holographic_memory   (759 words)

  
 HOLOGRAPHIC MEMORY   (Site not responding. Last check: 2007-10-31)
Holographic memory is a technology that uses a three dimensional medium to store data and it can access such data a page at a time instead of sequentially, which leads to increases in storage density and access speed.
Holographic memory uses a photosensitive material to record interference patterns of a reference beam and a signal beam of coherent light, where the signal beam is reflected off of an object or it contains data in the form of light and dark areas [1].
Holographic memory has an access time somewhere between main memory and magnetic disk, a data transfer rate that is an order of magnitude better than both main memory and magnetic disk, and a storage capacity that is higher than both main memory and magnetic disk.
ucsu.colorado.edu /~stephanb/projects/CSI3300.htm   (2322 words)

  
 Holographic Memory
Although holographic memory systems are four or five years away from becoming commercially available, researchers predict that even the first most primitive systems will offer advantages over current storage technologies.
Once holographic storage is perfected, perhaps within the next decade, and if it catches on with manufacturers and consumers, we can expect to see the eventual demise of spinning storage devices of all kinds, magnetic and optical.
If holographic memory is as successful as experts anticipate, it will not only replace current storage systems in computers of all types, but may also become the next storage medium of choice for entertainment.
www.glencoe.com /norton/online/ezine/printer_friendly.phtml?id=97   (1453 words)

  
 [No title]   (Site not responding. Last check: 2007-10-31)
"Memory's holographic, for you." The Finn tugged at one of his small ears.
The theory of holographic memory, which grew in popularity in the late 70's and early 80's, has been used to explain everything from the resilience and capacity of the human brain to near-death-experiences, telepathy, and new-age quantum physics.
Holography is based in Faurier transforms and frequency analysis, making the discussion of memory as holographic particularly apt for explaining "top-down" visual processes, the perception of difference or change, and the recognition of patterns from bits of data.
www.english.pomona.edu /pomo/douglass_lo/vision3.html   (257 words)

  
 [No title]   (Site not responding. Last check: 2007-10-31)
Holographic memories have been proposed to supersede the optical disc as a high-capacity digital storage medium.
The high density and speed of the holographic memory comes from three-dimensional recording and from the simultaneous readout of an entire packet of data at one time.
The portion of the reference beam 1 diffracted by the diffractive optics memory 8 forms the reconstruction, which is focused by imagining lens 150 to a detector array of CCD camera 160.
www.wipo.int /cgi-pct/guest/getbykey5?KEY=03/81580.031002&ELEMENT_SET=DECL   (3702 words)

  
 [No title]   (Site not responding. Last check: 2007-10-31)
Holographic recording media require flatness of the order of the optical wavelength, which is unsuitable for volume production.
To accelerate the commercialization of collinear holographic memories, it is necessary to promote the research and development of holographic recording media.
It also showed that the basic characteristics of holographic recording media for data storage could be evaluated using the collinear holographic recording media evaluation system and indicated the possibility of realizing the next storage media of large storage capacities and high transfer rates.
www.optware.co.jp /english/tech.htm   (1244 words)

  
 How Holographic Memory Will Work! - SpeedGuide.net Broadband Community
An advantage of a holographic memory system is that an entire page of data can be retrieved quickly and at one time.
In order to retrieve and reconstruct the holographic page of data stored in the crystal, the reference beam is shined into the crystal at exactly the same angle at which it entered to store that page of data.
The key component of any holographic data storage system is the angle at which the second reference beam is fired at the crystal to retrieve a page of data.
forums.speedguide.net /showthread.php?t=49506   (1331 words)

  
 Holographic Memory Resolution FAQs
Holographic Memory Resolution ® is a non-traumatizing body-mind technique which allows expedient access to past memories and complete resolution of the painful emotions associated with these events without having to relive such experiences and without affecting historical memory.
Clients have now "demonstrated" the origin of certain diseases in memory, and, in resolving the memories, have resolved the symptoms that were so readily labeled illness.
Holographic Memory Resolution is a registered trademark of Brent Baum of Healing Dimensions ACC.
www.wellness-zen.com /hmr/hmrfaqs.html   (992 words)

  
 Holographic - PatentStorm
A holographic recording and reproducing method for recording holographic data in and reproducing holographic data from a holographic recording medium including a recording layer in which data are to be recorded as phase information of light by projecting a signal beam and a reference beam...
A holographic recording medium according to the present invention includes a holographic material layer in which information is to be recorded by irradiating the same region with information light corresponding to the information to be recorded and reference light to read the recorded...
A holographic apparatus includes a mask for modulating a signal beam to generate a modulated signal beam; a conical prism, which has a cone portion and a base portion, for refracting a reference beam to generate a refracted reference beam, wherein the refracted reference beam...
www.patentstorm.us /class/369/103-Holographic.html   (3448 words)

  
 Future of Computing
A volume holographic storage (holostore) devive is a page oriented devive that writes and reads data in an optical form.The holography technology achieves the necessary high storage densities as well as fast access times.
Holographic memory uses lasers for both reading and writing the blocks of data into the photosensetive material.
The reason for considering the moleculer memory is that it is protein based and therfore is inexpensive to produce in quantity.
www-dse.doc.ic.ac.uk /~nd/surprise_97/journal/vol1/ary   (1083 words)

  
 Holographic storage
As the holographic material becomes thicker, the reconstruction becomes very sensitive to the particular angle of incidence of the reference beam, which allows multiple objects to be recorded in the same volume and accessed independently by using an appropriate set of associated reference beams.
A holographic data storage system is fundamentally page-oriented, with each block of data defined by the number of data bits that can be spatially impressed onto the object beam.
Holographic data-storage systems use devices that are currently being refined by display and electronic imaging applications, so cost reductions and performance improvements can be expected in some proportion to the large volumes expected in those markets.
silver.neep.wisc.edu /~lakes/hoStorage.html   (1360 words)

  
 The Impact of Emerging Technologies: Holographic Memory - Technology Review
Holographic storage relies mainly on laser light and a photosensitive material-usually a crystal or a polymer-to save data.
What's more, holographic storage opens the possibility of reading and writing data a million bits at a time, instead of one by one as with magnetic storage.
Holographic storage equipment is not yet produced commercially, but the technology has the potential to spawn new devices and systems.
www.techreview.com /articles/01/05/visualize0501.asp   (500 words)

  
 Holographic Memory Holographic Disk Holographic Data Storage Disc
Holographic memory is a technology that uses a three dimensional medium to store data.
The first generation of holographic media with 300 GB of storage capacity and a 20 Mbps transfer rate is scheduled for release in late 2006.
While the holographic memory and its potentials sound great, there are few who feel this technology in its present form may not be successful for the next many years.
www.azdug.org   (1414 words)

  
 HMR
General Overview: Holographic Memory Resolution is a new body-mind technique which allows expedient access to past memories and complete resolution of the painful emotions associated with these events without having to "re-live" such experiences and without affecting historical memory.
As soon as this process is accomplished, there is a notable relaxation in the nerve centers of the body, a discharge of encoded energy from the cells and fields of the body, often accompanied by tingling in the hands and the feet.
By using the holographic nature of the bodymind, HMR enables the client to send a corrective holographic signal (usually color) to the subconscious mind, thereby updating the protective program that is holding the memory fragment and demonstrating its own capacity to create safety.
www.sacred-quest.com /Articles/hmr.htm   (3167 words)

  
 The Science Behind SyberVision's Modeling Technology: The Holographic Brain
While he is more popularly known for theories like the holographic model of memory, he still spends most of his time on laboratory research, where his abilities as a surgeon have been essential.
Brain researchers seem to agree that memory is a result of biochemical changes in the brain and is stored in individual cells to be recalled when electrochemically activated.
Memory seems to be distributed throughout the brain, located in no particular part.
www.sybervision.com /Golf/hologram.htm   (3478 words)

  
 Holographic Memory-Rockwell International
Theoretical projections suggest that it will eventually be possible to use holographic techniques to store trillions of bytes—an amount of information corresponding to the contents of millions of books—in a piece of crystalline material the size of a sugar cube or a standard CD platter.
Formed in 1995, HDSS was given a five-year mission to develop a practical holographic memory system, whereas PRISM, formed in 1994, was commissioned to produce advanced storage media for use in holographic memories by the end of this year.
For example, late last year at Stanford, HDSS consortium members demonstrated a holographic memory from which data could be read out at a rate of a billion bits per second.
www.opticsilan.org /html/html.gmm/gmm.conceptual/holographics.memory.htm   (1319 words)

  
 What is Holographic Memory?
Holographic memory is a storage device that is being researched and slated as the storage device that will replace hard drives and DVDs in the future.
Using holograms as memory storage was first proposed by Pieter Heerden in the 1960s.
Aside from having a tremendous amount of storage space for data, holographic memory systems also have the ability to retrieve data very quickly, up to a 1 gigabyte per second transfer rate.
www.tech-faq.com /holographic-memory.shtml   (493 words)

  
 ipedia.com: Computer storage Article   (Site not responding. Last check: 2007-10-31)
The terms "storage" or "memory" refer to the parts of a digital computer that retain physical state for some interval of time, possibly even after electrical power to the computer is turned off.
The terms "storage" (U.K) or "memory" (U.S) refer to the parts of a digital computer that retain physical state (data) for some interval of time, possibly even after electrical power to the computer is turned off.
Historically, "memory" referred to "magnetic core memory" in the 1950s, and then to semiconductor-based storage in the 1970s, at a time when the fastest response times were for magnetic core, and then for semiconductor memory, respectively.
www.ipedia.com /computer_storage_1.html   (536 words)

  
 Holographic novel - Memory Alpha, the Star Trek Wiki
The holonovel (also called holographic novel) is, like its ancient counterpart, a story with a protagonist and characters with a plot.
beard, swords, wooden legs) are holographically added to one's body, enabling a person to look the part without any real physical modifications.
One such jack-in-the-box afflicted Vic's Las Vegas Lounge and nearly resulted in the "death" of Vic Fontaine (or rather, the resetting of his memory files, which would have effectively erased all recollection he had of the crew of DS9).
memory-alpha.org /en/wiki/Holonovel   (311 words)

  
 Future of Computing
A volume holographic storage (holostore) devive is a page oriented devive that writes and reads data in an optical form.The holography technology achieves the necessary high storage densities as well as fast access times.
Holographic memory uses lasers for both reading and writing the blocks of data into the photosensetive material.
The reason for considering the moleculer memory is that it is protein based and therfore is inexpensive to produce in quantity.
www.doc.ic.ac.uk /~nd/surprise_97/journal/vol1/ary   (1083 words)

  
 84   (Site not responding. Last check: 2007-10-31)
High capacity, high transfer rate, random access memory systems are needed to archive and distribute the tremendous volume of digital information being generated for such applications as human genome mapping and online libraries.
The proposed method is based on a revolutionary concept in holographic multiplexing -- the technique that leads to a compact and robust architecture.
System design will be optimized through analysis and experiments, a memory system prototype will be built, its performance will be measured, and highly secure data access will be demonstrated.
www.er.doe.gov /sbir/awards_abstracts/sbir/cycle17/phase2/84.htm   (277 words)

  
 Holographic Order
The essence of the holographic concept is that Images are reconstructed when representations in the form of distributed information systems are appropriately engaged.
In 1980 Bohm published Wholeness and the Implicate Order in which he developed his concept of a holomovement, a holographic model of the universe which explains, in part, the wholeness and non-local nature of the universe.
Therefore, Pribram's holographic memory is local, in the brain, while Laszlo's memory is universal, non-local.
www.enfolded.info /cosmos/holographic-order.htm   (354 words)

  
 Holographic Memory
The long term potentiation in the hippocampus is a temporary memory, lasting for a few hours to a couple of days.
Some of the memory acquired in the hippocampus will be transferred to the cortex for permanent storage.
He found that the memories were reduced, but not removed by the lesions at any part of the cortex.
www.web-books.com /MoBio/Free/ChAmemory.htm   (360 words)

  
 Flower of Life - The Golden Mean Spiral and The Merkaba - Article by Ronald L. Holt -
If we were to examine a unit of the entire universal holographic reality, we would be inviting our imagination to embrace an infinite quantity of geometric dimensional planes that exist within and around every unit of the entire created universe.
These geometric shapes are holographic and have fractals within them such as the tetrahedron within a tetrahedron, cube within a cube, star tetrahedron within a star tetrahedron, octahedron within an octahedron, icosahedron within an icosahedron, dodecahedron within a dodecahedron, and more.
Holographic memory can be accessed predominantly in an altered or expanded state of consciousness or open heartedness.
www.floweroflife.org /holomatrix01.htm   (2286 words)

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