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Topic: Capacitance Electronic Disc

  SelectaVision - Wikipedia, the free encyclopedia
First prototypes of CED discs were multilayered, implementing a nickel substrate within the platter.
The disc itself is surrounded by the "spine", a plastic ring (actually squarish on the outside edge) with a thick, straight rimlike edge, which extends outside of and latches into the caddy, serving as a cover.
In order to flip a CED disc, the disc's sleeve would be inserted into the player to enclose and store the platter, and the sleeve would then be removed (with platter now inside), flipped over, and reinserted into the player (which would again extract the platter, now with the reverse side facing the stylus).
en.wikipedia.org /wiki/SelectaVision   (1291 words)

The capacitance system was developed in the 1960s and was used in commercial broadcasting applications prior to the development of videotape.
Capacitance systems were able to play full bandwidth images by means of a stylus riding in the grooves of the videodisc that translated variations in electrical capacitance into video and audio signals.
Although the LD video disc's shiny acrylic surface resembles that of digital audio compact discs (CDs), the laser disc differs in that it may be encoded with both analog and digital data.
www.museum.tv /archives/etv/V/htmlV/videodisc/videodisc.htm   (777 words)

 RCA SelectaVision VideoDisc FAQ
CED represents the final chapter in grooved media that began with the Edison Cylinder in the 19th century.
Capacitance can be defined as the ability of two adjacent conductors to store electric charge, and in the CED system these adjacent conductors are the carbon-loaded disc and the thin titanium electrode deposited on the diamond stylus.
This is a disc used in the Thomson transmissive optical disc system, a contemporary of the RCA VideoDisc system targeted to a limited degree at the industrial marketplace in the early 1980's.
www.cedmagic.com /home/cedfaq.html   (12062 words)

CED stands for Capacitance Electronic Disc and are also known as RCA Videodiscs and Selectavision discs.
CED is considered the pinnacle of needle-groove technology where you actually get an excellent color video picture with stereo sound, a/b audio tracks, frame by frame advance, pause with picture, and other features.
The VHS picture will be grainy from loss of magnetic pattern after 20 years, but a clean CED disc will show that same clear picture it did back in 1984.
www.cedcentral.com /whatced.html   (606 words)

 Control Field 007
A disc, tape, film, cylinder, or wire on which sound vibrations have been registered so that the sound may be reproduced; and paper rolls on which the notes of a music composition are represented by perforations in the paper and from which sound can be mechanically produced.
Indicates the width of the groove of the recording for a disc or the pitch of the groove for a cylinder.
An exact copy of the original disc recording pressed from the disc master from which a negative metal stamper is made to press discs for distribution.
www.loc.gov /marc/archive/2002/concise/bibliographic/ecbd007s.html   (3344 words)

 007/04 Videorecording: Code h - CED (Capacitance Electronic Disc) videodisc   (Site not responding. Last check: 2007-10-10)
It is based on a plastic disc, usually 12 in.
This visual information is read by a needle-in-the-groove type of electronic stylus that translates variance in capacitance into a video and audio signal.
The CED disc is characteristically housed in a protective jacket.
www.itsmarc.com /crs/bib2673.htm   (89 words)

 Pink Floyd Archives-U.S. CED Video Discs
This is a discography of Pink Floyd and related CED video disc releases from the United States.
CED video discs are Capacitance Electronic Disc System discs that are played with a needle in a CED video disc player.
Disc is encased in a blue plastic holder.
ourworld.compuserve.com /homepages/PFArchives/DUSCED.htm   (327 words)

 GE VHD Player Test (August 1981)
Be-cause the force of the stylus on the disc is spread over more disc area than in the CED (Capacitance Electronic Disc) sys-tem, pressure on the surface is accord-ingly less.
The disc player will be introduced in Japan in October of this year, in the U.S. in January of 1982, and in Britain six months after that.
Variations in capacitance (equating to frequencies from 6.1 to 7.8 MHz) are picked up from individual pits on the disc by an electrode attached to the sty-lus and in physical contact with the disc (Fig.
disclord.tripod.com /vhddiscworld/id4.html   (1040 words)

 RCA SelectaVision VideoDisc FAQ
In this same time frame I was contacted by a number of people interested in getting more information on the RCA VideoDisc system, rather than to just sell their player and discs, and there were postings to the Usenet groups rec.video, rec.collecting, misc.wanted, and alt.video.laserdisc from people wanting to purchase discs.
CED represents the final chapter in grooved media that began with the Edison wax cylinder in the 19th century.
Another source for CED's that has emerged with the expansion of the WEB is the eBay Auction Site at this URL: http://www.ebay.com It seems that at any given time CED's or players can be found at auction here, so it's a good place to both buy and sell CED items.
www.faqs.org /faqs/rec-video/videodisc/selectavision   (11833 words)

 DuneStuff - Dune movie video & audio merchandise
However, the disc suffers a number of problems in the conversion from NTSC to PAL as well as compression artifacts and is neither as consistent nor as compelling a viewing experience as the Region 1 disc.
The Dolby 2.0 track on the disc has better dialogue clarity, but is one of the weaker audio presentations found on disc, sounding dull and lacking in bass, plus it goes out of sync during several stretches of the movie.
The French disc remains, to this point, the best looking edition of the movie, but this is still a fine DVD and is the best option so far for American viewers who are not region-free.
www.mindspring.com /~dunestuff/av.html   (4859 words)

 Media introduction dvd, cd, tape, disc
Optical discs do not have this problem as their information is recorded with a laser.
The Compact Disc Digital Audio (CD-DA) standard was developed by Philips and Sony and introduced into the market in the USA and Europe in early 1983.
The 12cm disc is compact and is read by a laser but is not recordable by the consumer.
www.geocities.com /columbiaisa/media_intro.htm   (2690 words)

 Mavros Vision Corp. Post Production R&D Center
CEA (Consumer Electronics Association) This is an association of consumer electronics manufacturers primarily involved in a general promotion of that industry.
EIA (Electronics Industry Alliance) This is a trade alliance for its members who are engaged in or associated in the manufacture and sale or distribution of many categories of electronic equipment.
Each time the disc is placed in a special Level 2 player, the programming information from the videodisc is loaded into the player's memory.
www.mavrosvision.com /post_production/videos.html   (13945 words)

 Glossary of Audio and Video Terms Provided by Joe Kane and Stewart Filmscreen
This is an association of consumer electronics manufacturers primarily involved in a general promotion of that industry.
An electron beam is produced by the gun and is accelerated toward the front display surface of the tube.
The process of bringing the electron beam in a CRT back to the left side of the screen after a left to right line has been traced on the screen.
www.thesoundcompany.net /companies/stewart-filmscreens/glossary.html   (14030 words)

 CED - Capacitance Electronic Disc System   (Site not responding. Last check: 2007-10-10)
The movies come as these foot and a half square sheathed platters - you insert the entire disc and cover into the machine and extract the cover, leaving the disk inside.
We brought it all home, hooked up the CED player to the 20 year old Zenith TV and we now have a downstairs American late 70s viewing station next to the fireplace with a pillow covered futon.
CED Magic is the source for background info and anything else.
www.links.net /dox/flix/ced   (283 words)

 Vinyl Nirvana: 80's Music Record Collection: 80s Tech
CED is the acromyn for Capacitance Electronic Disc, also known as Selectavision.
The discs came in hard plastic shells, and were big, bulky and heavy as sin!
This site has all the best information on CEDs, including the very informative FAQ (where my info was gleaned), how to care for your CED player, and even a list of titles...
tinpan.fortunecity.com /bentley/565/80stech.html   (297 words)

 Capacitance electronic disc molding compositions (US4522747)
An improved conductive molding composition for the preparation of high density capacitance electronic discs is disclosed.
The disclosed compositions are improved by the utilization of a solid plasticizer, cumylphenyl isophthalate, represented by the formula [Figure] The use of this plasticizer permits the formulation of a conductive molding composition wherein all ingredients are solids.
Recording disc compositions comprising polymers of monovinyl-substituted hydrocarbons, conductive carbon fl and lubricants
www.delphion.com /details?pn=US04522747__   (164 words)

 NFL Football Tech Center
The mathematical formula for capacitance contains several variables, but with the CED system these variables are all constant except one...
the distance between the electrode and the surface of the disc immediately under it.
For more information on this CED Video Disc Player, check out Tom Howe's CED FAQ and his CED Magic website.
www.dragons-lair-project.com /tech/pages/nfl.asp   (258 words)

 The Beatles Let It Be   (Site not responding. Last check: 2007-10-10)
It was first issued on VHS (#4508-20) and Betamax (#4508-30), next on laserdisc (#4508-80), and finally, RCA secured the rights to release it for their CED* (Capacitance Electronic Disc System) "Videodisc" format, (#RCA 01411/CM11E-V105172).
The latter format failed miserably due to poor quality discs, which always skipped, and the players which had a very high failure rate.
Very few copies of Let It Be were pressed on the CED format, making it the hardest to find of the four formats.
www.rarebeatles.com /photopg5/letitbe.htm   (345 words)

 007 ¬†Physical Description Fixed Field (Videorecording) ¬†   (Site not responding. Last check: 2007-10-10)
The 12 inch disc is the most common size and is typically used for movies.
The disc or its packaging usually bear the term or trademark: LD (LASER DISC), LASER VIDEODISC or LaserVision.
The 8 and 4 3/4 inch discs are uncommon and typically used for music videos or other short video programs.
www.oclc.org /bibformats/en/0xx/007video.shtm   (473 words)

 Live Music Solutions - In-Home Audio, Video and Computer SETUP and TROUBLESHOOTING - DJ Wedding Services
VESA (Video Electronic Standards Association) Its mission is to promote and develop timely, relevant, open display and display interface standards, ensuring interoperability, and encouraging innovation and market growth.
Its vision is to be one of the leading, worldwide standards organizations and internationally recognized voices in the video electronics industry.
The TelDec capacitive grooved disc was a joint venture of Telefunken of Germany and Decca of Great Britain.
www.livemusicsolutions.com /term.htm   (16122 words)

 CED Magic - The RCA SelectaVision VideoDisc Web Site
This web site pertains to Capacitance Electronic Discs or CED's, a consumer video format on grooved vinyl discs that was marketed by RCA in the 1980's.
RCA J/K CED Player Disc Transfer Rod Cap Replacement
Still image sequences illustrating CED player and disc manufacturing processes at RCA's Bloomington and Indianapolis Indiana facilities.
www.cedmagic.com /selectavision.html   (385 words)

Mike is starting CED Central back on line by first offering stylus for sale.
Sales of players and movies will be back on line at the end of September or start of October.
Thanks for your patience, Mike and his family are dealing with a lot of changes in addition to moving CED Central to Los Angeles, California.
www.cedcentral.com   (97 words)

 www.parallels.demon.co.uk/chaplin.html   (Site not responding. Last check: 2007-10-10)
USA issue 12 inch CED video disc "City Lights" = £15.00
It can only be played on an old style Capacitance Electronic Disc System player.
The item is a collectors piece rather than a practical item.
www.parallels.demon.co.uk /chaplin.html   (284 words)

 Accomplishments University Library University of Illinois at Urbana
UGL Media Center replaced the Capacitance Electronic Disc Collection in newer format, majority of beta formats have been replaced
LIS Library launched UI Current LIS Clips, an electronic current awareness service.
Reference has expanded its commitment to providing access to electronic reference sources through the Gateway
www.library.uiuc.edu /staff/accomplishments_jul_dec02.htm   (2209 words)

 Capacitance electronic disc molding composition (US4532074)
News, Profiles, Stocks and More about this company
A conductive molding composition for the preparation of high density capacitance electronic discs is disclosed.
The improved composition contains only five ingredients and is characterized by superior playback without the necessity of washing the disc after pressing.
www.delphion.com /details?pn=US04532074__   (176 words)

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