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Fluorescent Multilayer Disc (FMD), is an optical disc format developed by Constellation 3D that uses fluorescent, rather than reflective materials to store data. Reflective disc formats (such as CD and DVD) have a practical limitation of about two layers, primarily due to interference, scatter, and inter-layer cross talk. However, the use of fluorescence allows FMDs to have up to 100 layers. These extra layers allow FMDs to have capacities up to a terabyte, while maintaining the same physical size of traditional optical discs. The optical lens of a compact disc drive. ...
Constellation 3D (C3D or CDDD)[1] was the worldwide leader in the development of high capacity Fluorescent Multilayer Disc and Card (FMD/C) technology. ...
Fluorescence induced by exposure to ultraviolet light in vials containing various sized Cadmium selenide (CdSe) quantum dots. ...
The reflection of a bridge in Indianapolis, Indianas Central Canal. ...
CD may stand for: Compact Disc Canadian Forces Decoration Cash Dispenser (at least used in Japan) CD LPMud Driver Centrum-Demokraterne (Centre Democrats of Denmark) Certificate of Deposit Äeské Dráhy (Czech Railways) Chad (NATO country code) Chalmers Datorförening (computer club of the Chalmers University of Technology) a 1960s...
DVD (Digital Versatile Disc or Digital Video Disc) is an optical disc storage media format that can be used for data storage, including movies with high video and sound quality. ...
This article is about a measurement term for data storage capacity. ...
Image File history File links No higher resolution available. ...
Image File history File links No higher resolution available. ...
Operating principles
The pits in an FMD are filled with fluorescent material. When coherent light from the laser strikes a pit the material glows, giving off incoherent light of a different wavelength. Since FMDs are clear, this light is able to travel through many layers unimpeded. The clear discs, combined with the ability to filter out laser light (based on wavelength and coherence), yield a much greater signal-to-noise ratio than reflective media. This is what allows FMDs to have many layers. The main limitation on the number of layers in a FMD is the overall thickness of the disc. Fluorescence induced by exposure to ultraviolet light in vials containing various sized Cadmium selenide (CdSe) quantum dots. ...
Coherent waves. ...
Experiment with a laser (US Military) In physics, a laser is a device that emits light through a specific mechanism for which the term laser is an acronym: Light Amplification by Stimulated Emission of Radiation. ...
Coherence is from Latin cohaerere = stick together, to be connected with, logically consistent. ...
The wavelength is the distance between repeating units of a wave pattern. ...
Signal-to-noise ratio (often abbreviated SNR or S/N) is an electrical engineering concept defined as the ratio of a signal power to the noise power corrupting the signal. ...
Development A 50 GB prototype disc was demonstrated at the COMDEX industry show in November 2000. First generation FMDs were to use 650 nm red lasers, yielding roughly 140 GB per disc. Second and third generation FMDs were to use 405 nm blue lasers, giving capacities of up to a terabyte. A gigabyte (derived from the SI prefix giga-) is a unit of information or computer storage equal to one billion (short scale) bytes or 230 bytes (1024 mebibytes)[1]. It is commonly abbreviated GB (not to be confused with Gb, which is used for gigabits). ...
It has been suggested that this article or section be merged with prototyping. ...
COMDEX (Computer Dealers Exhibition) was a computer expo held in Las Vegas, Nevada, each November from 1979 to 2003. ...
2000 : January - February - March - April - May - June - July - August - September - October - November - December This is a timeline for events in November, 2000. ...
After Constellation 3D shut down due to a scandal (the scandal essentially involved the prototype "demonstrated" at COMDEX 2000 being a hoax — the content was actually playing on a hard drive — the device was faked) and the company consequently ran out of money, a new company called D Data Inc. was formed which acquired the entire patent portfolio of Constellation 3D in 2003. The company is determined to bring multilayer optical disc technology to the market, and so has introduced the technology again under the new name of Digital Multilayer Disk (DMD). A patent portfolio is a collection of patents filed and owned by a single inventor or corporation that may be related or unrelated. ...
2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar. ...
Digital Multilayer Disk (DMD) is an optical disc format developed by D Data Inc. ...
See also Using the same technology as the fluorescent multilayer disc, the fluorescent multilayer card is a card containing a square shaped clear part which has multiple layers each with a different fluorescent material that reflects light at a different frequency than the other layers, so that the number of layers is...
Dr. Eugen Pavel is a Romanian scientist and the inventor of the Hyper CD-ROM, a 3D optical data storage medium with a claimed initial capacity of 10 TB and with a theoretical capacity of 1 PB[1] on a single disc. ...
External links | Industrial & home video media | | Magnetic tape | Analog VERA (1952) • 2 inch Quadruplex videotape (1956) • 1 inch type A videotape (1965) • 1/4 inch Akai (1967) • U-matic (1969) • Cartrivision (1972) • Video Cassette Recording (aka VCR) (1972) • V-Cord (1974) • VX (aka "The Great Time Machine") (1974) • Betamax (1975) • IVC 2 inch Helical scan (1975) - 1 inch type B videotape (1976) • 1 inch type C videotape (1976) • VHS (1976) • VK (1977) • SVR (1979) • Video 2000 (1980) • CVC (1980) • VHS-C (1982) • M (1982) • Betacam (1982) • Video8 (1985) • MII (1986) • S-VHS (1987) • Hi8 (1989) • S-VHS-C (1987) • W-VHS (1994) The home video business rents and sells videocassettes and DVDs to the public. ...
Compact audio cassette Magnetic tape is a non-volatile storage medium consisting of a magnetic coating on a thin plastic strip. ...
An analog or analogue signal is an allergy continuous in both time and amplitude. ...
VERA (Vision Electronic Recording Apparatus) was an early videotape format developed by the BBC in the 1950s. ...
2 inch Quadruplex (also called 2â³ Quad, or just quad, for short) was the first practical and commercially successful videotape format. ...
1 inch type A (designated Type A by SMPTE) is an open-reel videotape format developed by Ampex in 1965, that was one of the first standardized open-reel videotape formats in the 1 inch (25 mm) width (most others of that size at that time were proprietary). ...
1/4 inch Akai is a portable Helical scan NTSC video VTR. Had 2 video record heads on the scanner. ...
Sony U-matic VTR BVU-800 A U-matic tape U-matic is the name of a videocassette format developed by Sony in 1969. ...
Cartrivision was a videocassette format introduced in 1972, and the first format of its kind available in the USA.[1] It was produced by Cartridge Television, Inc. ...
Video Cassette Recording (VCR) was a video format by Philips, the first successful home videocassette recorder system. ...
V-Cord was a videocassette format developed and released by Sanyo in 1974. ...
VX was a short-lived and unsucessful videocassette format developed by Quasar in 1974. ...
Sonys Betamax is the 12. ...
IVC 2 inch Helical scan is a high end analog Helical scan VTR first shown in 1975. ...
1 inch type B (designated Type B by SMPTE) is an open-reel videotape format developed by Bosch in Germany in 1976. ...
1 inch Type C (designated Type C by SMPTE) is a professional open-reel videotape format co-developed and introduced by Ampex and Sony in 1976. ...
Bottom view of VHS cassette with magnetic tape exposed Top view of VHS cassette with front casing removed The Video Home System, better known by its abbreviation VHS is a recording and playing standard for analog video cassette recorders (VCRs), developed by Victor Company of Japan, Limited (JVC) and launched...
Video Cassette Recording (VCR) was a video format by Philips, the first successful home videocassette recorder system. ...
Video 2000 (or V2000; also known as Video Compact Cassette, or VCC) was a consumer VCR system and videotape standard developed by Philips and Grundig to compete with JVCs VHS and Sonys Betamax video technologies. ...
Compact video cassette or CVC was the one of the first compact video cassette system. ...
VHS-C is the compact VHS format used for portable video recorders. ...
M is the name of a professional videocassette format developed around 1982 by Matsushita and RCA. It was developed as a competitor to Sonys Betacam format. ...
Sony Betacam-SP VTP BVW-65 Betacam and VHS size comparison Betacam SP L (top), Betacam SP S (left), VHS (right) The early form of Betacam tapes are interchangeable with Betamax, though the recordings are not. ...
A Video8 cassette The 8mm video format refers informally to three related videocassette formats for the NTSC and PAL/SECAM television systems. ...
Note: The MII video tape format is not to be confused with Panasonics M2 videogame console The official logo for the MII videocassette format (courtesy Panasonic) MII is a professional videocassette format developed by Panasonic in 1986 as their answer & competitive product to Sonys Betacam SP format. ...
Introduced in Japan in 1987, S-VHS (Super VHS) was an improved version of the VHS standard for consumer video cassette recorders. ...
A Video8 cassette The 8mm video format refers informally to three related videocassette formats for the NTSC and PAL/SECAM television systems. ...
VHS-C is the compact VHS format used for portable video recorders. ...
W-VHS is a high definition analogue video tape format created by JVC. Usually it used to store RGB or composite video at a resolution of 1125 lines on a magnetic tape of the same dimensions as VHS. Categories: Technology stubs | Television stubs | Video storage | VHS ...
| Digital D1 (1986) • D2 (1988) • D3 (1991) • D5 (1994) • Digital-S (D9) (199?) • DV (1995) • Betacam HDCAM (1997) • D-VHS (1998) • Digital8 (1999) • D6 HDTV VTR (2000) • HDV (2003) A digital system is one that uses discrete values (often electrical voltages), especially those representable as binary numbers, or non-numeric symbols such as letters or icons, for input, processing, transmission, storage, or display, rather than a continuous spectrum of values (ie, as in an analog system). ...
Sonys D1 format was the first major professional digital video format, introduced in 1987. ...
D2 is a professional digital video tape format created by Ampex and other manufacturers through a standards group of the Society of Motion Picture and Television Engineers (SMPTE) and introduced at the 1988 NAB (National Association of Broadcasters) convention as a lower-cost alternative to the D1 format. ...
D3 is a professional digital video tape format. ...
Panasonic D5 HD VTR AJ-HD3700H A Cassette Tape for D5 HD(Medium) D5 is a professional digital video format introduced by Panasonic in 1994. ...
Digital-S or D-9 is a 4:2:2 digital video format from JVC. It is very similar to DVCPRO50, but records on videocassettes in the S-VHS form factor. ...
A MiniDV Camcorder For other uses, see DV (disambiguation). ...
Betacam and VHS size comparison Betacam SP L, Betacam SP S, VHS Betacam is a family of half-inch professional videotape formats developed by Sony from 1982 onwards. ...
D-VHS logo âDVHSâ redirects here. ...
Digital-8 (or D8) is a consumer digital videotape format developed by Sony in the late 1990s. ...
D6 HDTV VTR is SMPTE videotape standard. ...
High Definition Video (HDV) is a video format designed to record compressed HDTV video on standard DV media (DV or MiniDV cassette tape). ...
| | | Optical disc | Analog Laserdisc (1978) • Laserfilm (1984) The optical lens of a compact disc drive. ...
An analog or analogue signal is an allergy continuous in both time and amplitude. ...
This article or section does not cite its references or sources. ...
Laserfilm was a videodisc format developed by McDonnell-Douglas in 1984 that was a transmissive laser-based playback medium (unlike its competitor, laserdisc, which was a reflective system). ...
| Digital CD Video • VCD (1993) • MovieCD (1995?) • DVD-Video (1996) • MiniDVD • CVD (1998) • SVCD (1998) • FMD (2000) • EVD (2003) • FVD (2005) • UMD (2005) • VMD (2006) • HD DVD (2006) • Blu-ray Disc (BD) (2006) • DMD (2006?) • AVCHD (2006) • Tapestry Media (2007) • Total Hi Def (2008) • HVD (TBA) • PH-DVD (TBA) • SVOD (TBA) • Protein-coated disc (TBA) TeraDisc (TBA) A digital system is one that uses discrete values (often electrical voltages), especially those representable as binary numbers, or non-numeric symbols such as letters or icons, for input, processing, transmission, storage, or display, rather than a continuous spectrum of values (ie, as in an analog system). ...
CD Video (also known as CDV, CD-V, or CD+V) was a format introduced in the mid-1980s that combined the technologies of compact disc and laserdisc. ...
Video CD (aka VCD, VideoCD, View CD, Compact Disc digital video) is a standard digital format for storing video on a Compact Disc. ...
Box, inside and outside, to MovieCD edition of The Rutles - All you need is cash MovieCD was a format for digital video storage and consumer playback during the mid to late-1990s, marketed by SIRIUS Publishing, Inc. ...
The DVD-Video format logo. ...
There are two types of MiniDVD cDVD, which are 80-mm versions of the 120-mm DVD mini-DVD, which are standard CDs filled with the DVD-video format // cDVD A Mini-DVD-RAM with DVD Round Holder. ...
The China Video Disc (CVD), developed in the late 1990s, is a Chinese government-sponsored competitor to the SVCD standard. ...
Compact Disc Super Video (SVCD) logo/trademark Super Video CD (Super Video Compact Disc or SVCD) is a format used for storing video on standard compact discs. ...
The Enhanced Versatile Disc (EVD) is an optical medium-based digital audio/video format, developed to provide a means for playing HDTV content using existing optical media. ...
FVD, or Forward Versatile Disc, is an offshoot of DVD developed in Taiwan jointly by the Advanced Optical Storage Research Alliance (AOSRA) and the Industrial Technology Research Institute (ITRI) as a more inexpensive alternative for high-definition content. ...
A UMD The Universal Media Disc (UMD) is an optical disc medium developed by Sony for use on the PlayStation Portable. ...
Versatile Multilayer Disc (VMD) is a high-capacity red laser optical disc technology designed by New Medium Enterprises, Inc. ...
HD-DVD disc HD DVD (for High Density Digital Versatile Disc) is a digital optical media format which is being developed as one standard for high-definition DVD. HD DVD is similar to the competing Blu-ray Disc, which also uses the same CD sized (120 mm diameter) optical data...
A blank rewritable Blu-ray disc (a BD-RE) A Blu-ray Disc (also called BD) is a high-density optical disc format for the storage of digital media, including high-definition video. ...
Digital Multilayer Disk (DMD) is an optical disc format developed by D Data Inc. ...
AVCHD (Advanced Video Codec High Definition) is a new high definition recording format introduced by Sony and Panasonic. ...
Info A computer disc about the size of a DVD that can hold 60 times more data will go on sale in 2006, according to its American developer InPhase Technologies, a Lucent spin off. ...
Total Hi Def Disc, also called a Total HD or THD, is an optical disc that includes both rival high-definition optical disc formats, Blu-ray Disc and HD DVD. [1] It was officially announced January 8, 2007 at Warner Bros / Warner Home Videos press conference held at CES...
Picture of an HVD by Optware. ...
There are very few or no other articles that link to this one. ...
The Stacked Volumetric Optical Disk (or SVOD) is an optical disk format developed by Hitachi/Maxell, which uses an array of wafer-thin optical disks to allow data storage of around 1TB. Each wafer (a thin polycarbonate disk) holds around 9. ...
Protein-Coated Disc (PCD) is a theoretical optical disc technology currently being developed by Professor V Renugopalakrishnan of Harvard Medical School. ...
An editor has expressed a concern that the subject of the article does not satisfy the notability guideline or one of the following guidelines for inclusion on Wikipedia: Biographies, Books, Companies, Fiction, Music, Neologisms, Numbers, Web content, or several proposals for new guidelines. ...
| | | Grooved Videodiscs | Analog Baird Television Record aka Phonovision (1927) • TeD (1974) • Capacitance Electronic Disc aka CED (1981) • VHD (1983) Videodisc (or video disc) is a general term for a laser- or stylus-readable random-access circular disc that contains both audio and video signals recorded in an analog form. ...
An analog or analogue signal is an allergy continuous in both time and amplitude. ...
Phonovision, an experimental process for recording a television signal on phonograph records, was developed in the late 1920s in England by British television pioneer John Logie Baird. ...
Phonovision, an experimental process for recording a television signal on phonograph records, was developed in the late 1920s in England by British television pioneer John Logie Baird. ...
An Ad for the TeD Initially known as, The Video Disc or the Teldec Television Disc, TeD (Television Electronic Disc) was first announced at a press conference in Berlin on June 24, 1970. ...
The Hobbit CED SelectaVision was originally the name for a video playback system developed by RCA using specialized Capacitance Electronic Disc (CED) media, in which video and audio could be played back on a TV using a special analog needle and high-density groove system similar to phonograph records. ...
The Hobbit CED SelectaVision was originally the name for a video playback system developed by RCA using specialized Capacitance Electronic Disc (CED) media, in which video and audio could be played back on a TV using a special analog needle and high-density groove system similar to phonograph records. ...
VHD is a videodisc format which was marketed predominantly in Japan by JVC. VHD stands for Video High Density, and there was also an audio-only variant called, not surprisingly, AHD. // Technology VHD discs are 25cm in diameter, though the user never sees them as they are stored in caddies...
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