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| CED Digest Vol. 4 No. 33 • 8/21/1999 | ||||||||||||||
Date: Sun, 15 Aug 1999 04:08:55 -0700
To: digest@cedmagic.com
From: Tom Howe <ceds@teleport.com>
Subject: CED, 1990's Style
Hello All:
One of the things that has interested me since my early days of collecting
CED's is occasionally going to the Government Documents Library and looking
up CED patents. These patents (about 700 in all) contain a wealth of info
about the CED System, not just on the system as manufactured, but on
developments during the design phase that never materialized ( like RCA's
digital audio CED format), and directions the system may have taken if RCA
hadn't canceled it.
Looking up patents was always a hassle, because first the desired patent
number had to be determined, and from that the librarian had to retrieve
the correct bound volume from behind-the-shelves storage. But the Internet
has changed all that, as the full text and images of patents back to the
early 1970's can now be viewed with a web browser. This is the new section
I'm working on for CED Magic that will include a table listing the title
and issue date for all the CED patents along with clickable links to the
full text and images. Another addition will be a "Featured Patents Section"
that will discuss a few dozen of the more interesting patents. A couple of
the patents in the featured section will concern a 1990's version of the
CED system that differs from RCA's original system in storing digital data
and having a 3.5 inch form factor. I never even considered looking for CED
patents dating from the 1990's until I came upon these using the advanced
patent search tools now available on the Internet. Here's a description of
this new version of the CED, along with links to their web pages at the US
Patent and Trademark Office:
US PATENT #5175724: CAPACITANCE DISC INFORMATION RETRIEVAL SYSTEM
http://164.195.100.11/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p
=1&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1='5175724'.WKU.&OS=PN/5175724&RS=PN/5175724
US PATENT #5285439: HIGH DENSITY CED DATA STORAGE
http://164.195.100.11/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=/netahtml
/search-adv.htm&r=1&f=G&l=50&d=PALL&p=1&S1=5285439.WKU.&OS=PN/5285439&RS=PN/5285439
This patent (HIGH DENSITY CED DATA STORAGE) filed in 1992 describes the
method of storing digital data on a CED, while the accompanying CAPACITANCE
DISC INFORMATION RETRIEVAL SYSTEM filed in 1991 describes the design of a
player used to play the discs. The player is quite similar in design to the
original SelectaVision units of the 1980's, but considerably smaller, due
to the 3.5" form factor of the discs. This updated version of the CED
system was not specifically intended for the viewing of video, but rather
was intended as a computer peripheral for the storage of digital data. It
might seem odd to read digital data with a stylus, but the original CED
system did this with the DAXI code on the discs, and this patent states:
"The present invention capitalizes on existing technology in analog
capacitive video disc recording (CED) by developing new techniques to
provide digital data storage having theoretical storage density that is
unsurpassed by all other disk media including optical and magnetic
technology".
The new system could achieve this high density by using a technique called
M-ary angle modulation in which during the mastering process groups of
three data bits are phase modulated into eight separate levels in the disc
groove corresponding to the eight combinations of logic 0's and 1's
possible with three bits. During playback of the finished discs a phase
comparator reads the levels recorded on the disc and feeds the readout to
an analog-to-digital converter which then outputs the digital stream. This
technique, at least from a 1991 perspective, could yield a higher data
density than, for example, a magnetic disk that reads off a continuous
stream of unmodulated 0's and 1's from the disk surface.
So with its high capacity why hasn't this new CED system been marketed?
Well, the system would still require considerable development work to reach
the point of being manufacturable, and it would have to compete with CD-R,
DVD-RAM, and the cheap magnetic disc technology we have today, all of which
have the ability to record with consumer versions. Since the CED Cutter
requires an absolutely vibration free environment to accurately cut the
groove, it's unlikely a consumer mastering setup would be available. And the
5-inch optical disc has the potential of still being backwards compatible to
CD Audio and CD-ROM as its capacity continues to increase with the shorter
wavelength blue and ultraviolet laser diodes that are being researched.
--Tom
------------------------------------------------------------------------
From: "Butch Thomas"
To: <ceds@teleport.com>
Subject: CED Discs & Players For Sale
Date: Sat, 14 Aug 1999 12:59:38 -0700
1. The horse soldiers
2. Gentleman Jim
3. High noon
4. The wild geese- 2 disc set
5. The charge of the light brigade
6. On golden pond
7. Sweet dreams
8. Gremlins
9. The quiet man- 2 disc set
10. Kelly’s heroes- 2 disc set
11. She wore a yellow ribbon
12. Sands of iwo jima
13. Sinbad and the eye of the tiger
14. The Muppet movie
15. Cat ballou
16. Bell, book, and candle
17. Elvis- on tour
18. Elmer gantry- 2 disc set
19. The Birds
20. Tootsie
21. The making of Michael Jackson’s Thriller
22. The Big Chill
23. The summer of 42
24. Staying Alive
25. Bronco Billy
26. Paternity
27. It’s a Mad Mad Mad Mad world
28. Fail Safe
29. American Graffiti
30. The rear window
31. The Graduate
32. The Magnificent seven- 2 disc set
33. Twelve o’clock high- 2 disc set
34. Patton- 2 disc set
35. Air force
36. Run silent, run deep
37. Apache
38. Dr. Strangelove
39. Vertigo- 2 disc set
40. Starting over
41. Run
42. Young Frankenstein
43. The world according to Garp- 2 disc set
44. Fun with Dick and Jane
45. Diana Ross- in concert- this disc is in the original plastic, never been opened
46. Excalibur- 2 disc set
47. Eye witness
48. Gentlemen prefer blondes
49. Eddie and the cruisers
50. The electric horsemen
51. Fame- 2 disc set
52. The kids from Fame
53. Gorky park
54. The duchess, and the dirt water fox
55. Fire fox- 2 disc set
56. Perfect
57. A star is born
58. The bridge on the river kwai- 2 disc set
59. The sound of music- 2 disc set
60. Jason and the argonauts
61. White Christmas
62. The nut cracker
63. White nights
64. The ten commandments
65. The war of the worlds
66. Funny girl- 2 disc set
67. Saturday night fever
68. Rumble fish
69. Star trek- the menagerie
70. Lenny
71. The RCA video disc preview album
72. RCA 1984 video systems- featuring RCA new digital command center
73. Monty python- live at the Hollywood bowl
74. Best Defense
75. The shootist
76. Walt Disney {DTV}- pop, and rock
77. Ordinary people- 2 disc set
78. Dollars
79. Mildred Pierce
80. The postman always rings twice
81. Holocaust- a 4 disc set, these disc’s are in the original plastic, never opened. The box they came in was destroyed
82. The life and works of Michelangelo- you need a random access disc player to watch this disc
83. Achange of seasons
84. Harry and son
85. Hair
86. Walt Disney- {dtv}- golden oldies
87. The best of Judy Garland
88. Three days of the Condor
89. Dolly Pardon- in London
90. HBO presents, The Bette Midler show
91. Close encounters of the third kind- 2 disc set
92. Hello Dolly- 2 disc set
93. Linda Ronstadt- in concert
94. Superman II
95. Lord of the rings- 2 disc set
96. Superman III
97. Thunderbolt and lightfoot
98. Bullwinkel, and rocky, and friends vol I
99. Tank
100. Micki and Maude
101. The champ
102. One flew over the cuckoo’s nest- 2 disc set
103. Oh, God
104. Oh, God you devil
105. Obsession
106. North Dallas forty
107. My dinner with Andre
108. Kiss of the spider woman
109. Klute
110. The hustler- 2 disc set
111. The hobbit
112. Hello dolly
113. Blowout
114. Star trek III- the search for spock
115. Enemy mine
116. I am a fugitive from a chain gang
117. Chitty chitty bang bang- 2 disc set
118. Star trek, the motion picture- 2 disc set
119. Author Author
120. Totally Go Go’s , music video’s
121. Amadeus- 2 disc set
122. A star is born
124. Benji
125. Teddy pendergrass- live in London- this disc is still in the original plastic, never been watched
126. They all laughed
127. They drive by night
128. Red River- 2 disc set
129. Kenny Loggins- live
130. Billy Joel- live from long island
131. Youngblood
132. Silkwood- 2 disc set
133. Code of silence
134. Invasion USA
135. Jaws
136. Jaws II
137. 2010
138. jagged Edge
139. high road to china
140. Time Bandits
141. Birdy
142. The Jewel of the Nile
143. Purple Rain
144. Protocol
145. Psycho
146. Psycho II
147. Baseball fun and games- the greatest world series ever 1975, Reds, and the Red sox
148. Electric light orchestra- live at wembley, this disc is still in the plastic, never been seen
149. Yoga moves with Alan Finger
150. Bullwinkle and Rocky and friends Vol II
151. The bad news bears
152. The seven year itch
153. Culture Club- a kiss from across the ocean, this disc is still in the original plastic, and has never been seen
154. Altered States
155. A week at the races- a interactive video disc game
156. Unfaithfully yours
157. Wargames
158. Heartaches- this disc is still in the original plastic, and has never been seen
159. Star trek II- wrath of khan
160. Stick
161. Star 80
162. Walt Disney {dtv}, rock, rhythm, and blues
163. Lolita- 2 disc set
164. Little house on the prairie
165. Monty Python- life of Brian
166. Exposed
167. The chyna syndrome
168. Thunder birds are go
169. Mel Brooks- history of the world part I
170. The boy’s from brazil
171. Born free
172. Reds- 2 disc set
173. Superman I
174. Yentl- 2 disc set
175. The jewel of the Nile
176. Back to the future
177. Wind walker
178. The karate kid
179. Elvis- aloha from Hawaii
180. The 7th voyage of sinbad
181. Diamonds are forever
182. From Russia with love
183. You only live twice
184. Big Jake
185. The great Muppet caper
186. The adventures of robin hood- Errol Flynn
187. The African Queen
188. Tora Tora Tora- 2 disc set
189. The searchers
190. The dirty dozen- 2 disc set
191. The towering inferno- 2 disc set
192. Mask
193. The big red one
194. The good, the bad, and the ugly- 2 disc set
195. North to Alaska
196. Stagecoach
197. Rio lobo
198. The Alamo- 2 disc set
199. Arsenic and Old lace
200. North by Northwest- 2 disc set
201. The Lords of discipline
202. The electric horseman
203. The Poseidon adventure
204. Cocoon
205. Gone with the wind- 2 disc set
206. The gauntlet
207. The mechanic
208. Barefoot in the park
209. Flashdance
210. Coal miners daughter
211. D.A.R.Y.L
212. Cujo
213. Raise the titanic
214. A chorus line- the movie
215. Moonraker- 2 disc set
216. Thunderball- 2 disc set
217. A shot in the dark
218. Red river- 2 disc set
219. The green berets- 2 disc set
220. The comancheros
221. Pinocchio
222. The wizard of Oz
223. Fire Fox- 2 disc set
224. The Muppets take Manhattan
225. Jane Fonda’s work out
226. Dumbo
227. Rocky
228. Rocky II
229. Rocky III
230. Rocky IV
231. SMOKEY AND THE BANDIT
232. MY TUTOR
233. THE MARY TYLER MOORE SHOW {WITH THE CHUCKELS THE CLOWN EPISODE}
234. ARTHUR
235. SILVERADO- 2 DISC SET
236. RED DAWN
237. ANIMAL HOUSE {NAT. LAMPOON}
238. TEEN WOLF
239. THE KILLING FIELDS
240. BAD BOY’S {SEAN PENN}
241. SHARKY’S MACHINE
242. ESCAPE FROM ALCATRAZ
243. THE TERMINATOR
244. THE END
245. GOTCHA
246. MOUNTY PYTHON AND THE HOLY GRAIL
247. THE MOUNTAIN MEN
248. AIRPLANE
249. JEREMIAH JOHNSON
250. NAT. LAMPOON VACATION
251. THE KENTUCKIAN
252. PLAYBOY VIDEO- CANDY LOVING VOL. 2
253. PLAYBOY PLAYMATE REVIEW
254. PLAYBOY VIDEO VOL. 3
255. PLAYBOY VIDEO VOL. 4
256. THE ENFORCER
257. RAMBO I
258. RAMBO II
259. CANNONBALL RUN II
260. SMOKEY AND THE BANDIT II
261. BEVERLY HILLS COP
262. DESPERATELY SEEKING SUSAN
263. MISTER ROBERTS
264. LOVE ME TENDER
265. BUS STOP
266. THE LONGEST DAY- 2 DISC SET
267. THE MISSOURI BREAKS
268. THE DEFIANT ONES
269. IN THE HEAT OF THE NIGHT
270. MISSING IN ACTION II
271. THE BLACK HOLE {DISNEY}
272. WAR LOVER
273. SIX WEEKS
274. STRIPES
275. MISSING IN ACTION
276. THE LONGEST YARD
277. HOOPER
278. INYO THE NIGHT {JEFF GOLDBLUM, MICHELLE PFEIFFER}
279. ST. ELMOS FIRE
280. STAR MAN
281. AGAINST ALL ODDS
282. ROMANCING THE STONE
283. SPRING BREAK
284. FLETCH
285. CADDYSHACK
286. SEMI-TOUGH
287. TRADING PLACES
288. MAGNUM FORCE
289. SUPER BOWL XIV {STEELERS AND THE RAMS}
290. ESCAPE FROM NEW YORK
291. BEST FRIENDS
292. SHANE
293. ]GOLDFINGER
294. PRIVATE BENJAMIN
295. THE CINCINNATI KID
296. THE BOAT {DAS BOOT}
297. WEIRD SCIENCE
298. BEANY AND CECIL VOL. I
299. THE MAN WITH 2 BRAINS
300. BLUE THUNDER
301. BACK TO THE FUTURE
302. URBAN COWBOY- 2 DISC SET
303. TRAIL OF THE PINK PANTHER
304. RUNAWAY {TOM SELLECK}
305. BODY HEAT
306. THE WOMAN IN RED
307. SILVER STREAK
308. LASSITER {TOM SELLECK}
309. 20,000 LEAGUES UNDER THE SEA {DISNEY}
310. THE WAY WE WERE
311. LOVE AT FIRST BITE
312. THE RIGHT STUFF- 2 DISC SET
313. PLAYBOY PLAMATE REVIEW II
314. THE PINK PANTHER STRIKES AGAIN
315. REVENGE OF THE PINK PANTHER
316. OCTOPUSSY- 2 DISC SET
317. BULLWINKLE, AND ROCKY, AND FRIENDS VOL. II
318. FOR YOUR EYES ONLY- 2 DISC SET
319. HOMBRE
320. GREASE
321. OLIVIA- IN CONCERT
322. DARYL HALL AND JOHN OATES, ROCK-N-ROLL LIVE
323. A BRIDGE TOO FAR- 2 DISC SET
324. HE MAN MASTERS OF THE UNIVERSE VOL. II
325. PAPILLON- 2 DISC SET
326. POLICE ACADEMY I
327. POLICE ACADEMY II
328. PLAY BOY VIDEO VOL. 2
329. SIXTEEN CANDELS
330. PLAYBOY VIDEO VOL. 4
331. A VIEW TO A KILL- 2 DISC SET
332. THE LAST STAR FIGHTER
333. SUPPORT YOUR LOCAL SHERIFF
334. THE SPY WHO LOVED ME
335. DR. NO
336. THE MAN WITH THE GOLDEN GUN
337. ALL THE RIGHT MOVES
338. THE PINK PANTHER
339. THE RCA VIDEO DISC PREWIEW ALBUM
340. LIVE AND LET DIE
341. AN OFFICER AND A GENTLEMAN- 2 DISC SET
342. COMMANDO
343. HANG EM HIGH
344. ANGEL HEAT {MARILYN CHAMBERS}
345. THE MAN WHO SHOT LIBERTY VALANCE
346. RIO BRAVO- 2 DISC SET
347. THE GREAT ESCAPE- 2 DISC SET
348. THE SHOOTIST
349. THE NATURAL- 2 DISC SET
350. THE BREAKFAST CLUB
351. WERE NO ANGELS
352. THE HUSTLER- 2 DISC SET
353. M.A.S.H- GOOD BYE, FAREWELL, AND AMEN
354. M.A.S.H.
355. GHOSTBUSTERS
356. THE BUGS BUNNY ROAD RUNNER MOVIE
357. DIRTY HARRY
358. 10
359. FOOTLOOSE
360. SPLASH
361. SERGEANT YORK
362. STAR WARS
363. STAR WARS- EMPIRE STRIKES BACK
364. STAR WARS- RETURN OF THE JEDI- 2 DISC SET**
365. THE SURE THING
366. DOCTOR DETROIT
367. ALL OF ME
368. MOSCOW ON THE HUDSON
369. CLOAK AND DAGGER
370. NEVER SAY NEVER AGAIN- 2 DISC SET
371. STALAG 17
372. RAIDERS OF THE LOST ARK
373. SUDDEN IMPACT
374. THE GREAT SANTINI
375. PEE WEE’S BIG ADVENTURE
376. VISION QUEST
377. ROBIN HOOD {DISNEY}
378. GIRLS JUST WANNA HAVE FUN
379. THE SHINING- 2 DISC SET
380. THE BLUES BROTHERS- 2 DISC SET
381. LADYHAWKE
382. MURPHY’S ROMANCE
383. TIGHTROPE
384. CITY HEAT
385. THE RETURN OF THE PINK PANTHER
386. WITNESS
387. THE MAIN EVENT
388. THE STING- 2 DISC SET
389. FAST TIMES AT RIDGEMONT HIGH
390. TRUE GRIT- 2 DISC SET
391. TERMS OF ENDEARMENT
392. RISKY BUSINESS
393. SATURDAY NIGHT LIVE- WITH GEORGE CARLIN {PREMIERE SHOW}****
394. SATURDAY NIGHT LIVE WITH "THE BLUES BROTHERS" VOL. II
395. CRIMES OF PASSION
396. PALE RIDER
397. BLACK MOON RISING
398. PLAYBOY PLAYMATE REVIEW
399. BUTCH CASSIDY AND THE SUNDANCE KID
400. EVERY WHICH WAY BUT LOOSE
YOU MAY NOTICE THAT THERE ARE A FEW THAT ARE LISTED MORE THAN ONCE, THIS IS
NOT A MISTAKE, I HAVE SEVERAL MOVIES IN DUPLICATE {SOME THAT FRIENDS BOUGHT
ME, AND I ALREADY HAD}. ALL THESE MOVIES ARE FOR SALE, AND I WILL TAKE THE
HIGEST BID FOR THEM. I KNOW THAT STAR WARS IS IN GREAT DEMAND {RETURN OF THE
JEDI}, SO LET THE BIDDING BEGIN!!.
JUST TO ADD, I HAVE A FEW PLAYERS THAT ARE BROKE, AND I WOULD SELL THE PARTS
FOR SCRAP, I HAVE 2- SJT 200 MACHIENE'S. I HAVE A SJT-090. I HAVE A ZENITH
VP2000, WHICH STILL WORKS. AND I HAVE 2 OTHER ONES IN STORAGE {THEY ARE BROWN,
AND MADE BY RCA, I CANT REMEMBER THE MODEL}. IN CASE YOU WERE WONDERING WHY
I AM GETTING RID OF THESE, I AM REALLY BIG INTO DVD, I ALREADY HAVE A HUGE
SELECTION OF DVD MOVIES, AND WANT TO GET MORE.
BUTCH THOMAS
<mailto:Thomsac@forcomm.net>Thomsac@forcomm.net
------------------------------------------------------------------------
From: "Matt Hawthorne"
To: "Tom Howe" <ceds@teleport.com>
Subject: Re: CED Digest Vol. 4 No. 32
Date: Sun, 15 Aug 1999 18:04:10 -0400
How do I properly clean discs? I took a very "skippy" disc out of the caddy
and placed it in the bathtub to clean the dirt and dust off. I left the disc
tanding up right for about 10 mins. and took at look at it. The entire disc
was now covered in water streaks and dots. I put the disc back in the caddy
and inserted it in the player. The disc was now worse than it was before.
What the hell happened? How can I get rid of streaks and spots?
Please help.
Thanks,
Matt Hawthorne
hawthorn@bconnex.net
------------------------------------------------------------------------
Date: Tue, 17 Aug 1999 06:04:14 -0700
To: digest@cedmagic.com
From: Tom Howe <ceds@teleport.com>
Subject: RE: What is it ?
>I was sorting over some of the CED players the other day and came across a
>player that was a RCA Selectavision But it is a VCR player what is it
RCA intended to use the SelectaVision trademark for all their home video
products, and it was in use long before CED hit the market. The first product
was SelectaVision Holotape (a play-only tape format) that RCA developed in
the late 60's but abandoned in the early 70's in favor of VideoDisc (see CED
Digest Vol. 2 No. 50 for more info on Holotape).
The next SelectaVision product was the VBT200 VHS VCR which came out in
October 1977 with the effective ad slogan "Four Hours, $1000, SelectaVision".
RCA applied the trademark to their VCR's until 1984, when it was withdrawn
due to possible negative associations with the abandonement of CED.
I recently restored one of these VBT200's as close as possible to new condition,
and the recorded playback is still pretty sorry compared to a decent CED. It's
easy to see how RCA could claim "superb picture quality" when talking about CED
back in the early 80's.
--Tom
------------------------------------------------------------------------
From: "Peter Veach"
To: "Tom Howe" <ceds@teleport.com>
Subject: Belts
Date: Tue, 17 Aug 1999 18:02:27 -0500
Ran into something interesting regarding changing the turntable belt in my
SGT250.
I ordered a complete set of belts from Tom. After replacing all the belts, I
found that the player would not work any longer.
Seems the extra tension of the new turntable drive belt prevented it from
coming up to/and maintaining full speed.
I cleaned the old belt and all is well.
-Pete
------------------------------------------------------------------------
From: "Gordon Lupien"
To: <ceds@teleport.com>
Subject: "The Last Video Disk" - I have it!
Date: Tue, 17 Aug 1999 22:14:53 -0400
Hello,
About four years ago, I purchased 100+ disks and a couple players off of one
of the engineers that worked in the Carrollton, GA plant that manufactured
these disks. In that bunch of disks I have a ton of engineering evaluation
disks with blank carriers or disks in carriers with the wrong label (also
evaluation disks). I had about 7 sealed engineering samples of Star Wars
(totally blank white carriers) and I have sold 5. I just had to open the
others because I didn't know what they were... Oh well...
One of the disks that I had was one of Tom's vaporware disks (at the time),
"The Story of "O". He was not too sure it actually existed. I traded it
with him for a player that allowed direct access and had a wireless remote.
(I should have held out for one of the '400s though ;-).
At any rate, also in this assortment was the last disk ever pressed at the
Carrollton, GA. plant. I'm not so sure I necessarily need to keep it because
I am not as into this as some folks. If you are interested in it, please let
me know and maybe we can work something out. The disk is the movie "Meatballs"
with Bill Murray, and is still sealed in its original shrinkwrap and inside the
shrinkwrap is a typewritten piece of paper with the following inscription:
"THE LAST VIDEO DISK"
Carrollton, Ga.
THE LAST:
PRESSED
POST TREATED
WELDED
LABELED
CADDIED
SKINWRAPPED
"We Made It Better"
I was going to hang it up in my home theatre in a frame, and I probably still
will if no-one is interested enough. <mailto:glupien@cyber1.servtech.com>
glupien@cyber1.servtech.com
- GLupien
------------------------------------------------------------------------
From: Tencton
Date: Fri, 20 Aug 1999 15:26:17 EDT
Subject: Repairs in NY Area
To: ceds@teleport.com
Hi!
I recently got a defective Halloween II CED that broke in my SGT-250 machine.
While I was unable to unload it, it will now not fully take in a disc. Does
anyone know anyone in the New York City area who might still repair this
machine, even though it is 17 years old?
If anyone knows, please email me. Thanks alot!
mike
------------------------------------------------------------------------
Date: Sun, 22 Aug 1999 04:17:49 -0700
To: digest@cedmagic.com
From: Tom Howe <ceds@teleport.com>
Subject: RE: March 22, 1981
Hello All:
Nobody guessed the reason why RCA chose March 22nd, 1981 as the intro date
for the CED system, but you may have surmised that it had something to do
with CED patents. Ten years earlier, on March 22nd, 1971 RCA filed three
patents that for the first time described the CED system in detail. One of
these, US PATENT #3842194: INFORMATION RECORDS AND RECORDING/PLAYBACK
SYSTEMS THEREFOR can be considered the mother of all CED patents, as it is
mentioned in hundreds of the CED patents that followed over the years.
In a week from now I'll have the Table of CED Patents available on the CED
Magic site, with the Featured CED Patents section soon to follow.
--Tom
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