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Topic: Plessey 250

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	[No title]
		But both GEC and Plessey were entirely answerable to their shareholders, and both companies were inextricably in the coils of the major customers, British Telecom, the Department of Trade and Industry and the Ministry of Defence.
		Plessey is such an important name in the history of Swindon that it is also difficult to overstate its role in the development as the town as we know it today.
		For years after Plessey closed, the social club was called the ex-Plessey Club and was to be one of the most persistent reminders of its former glory after the firm's importance as an employer declined.
	members.lycos.co.uk /diy/plessey/plesseyhistory.htm (10474 words)

	Plessey 250 - Education - Information - Educational Resources - Encyclopedia - Music
		Plessey 250 - Education - Information - Educational Resources - Encyclopedia - Music
		The Plessey 250 was a computer system manufactured by the Plessey company.
		It was only a moderate commercial success but is notable historically for using a capability architecture.
	www.music.us /education/P/Plessey-250.htm (245 words)

	PLESSEY TO ANNOUNCE COLLABORATIVE DEAL ON ECL ASICs WITH US COMPANY NEXT WEEK - CBRonline.com
		Plessey Co Plc is to announce a collaborative agreement on bipolar technology with a US company next week.
		Plessey is looking for joint development and marketing of Emitter Coupled Logic, ECL, logic arrays, which are currently the fastest bipolar devices, and is now preparing to launch a whole family of new ECL arrays this year.
		Plessey claims to be getting military contracts now with a requirement for this self testing process written into them.
	www.cbronline.com /article_cg.asp?guid=864985D8-3B6D-4C87-9C8C-5FD5672A74C0 (655 words)

	My Broadband :: Telecoms : Didata buys stake in Plessey
		Plessey has undertaken projects in 19 African countries with regional offices currently in eight countries: South Africa, Nigeria, Democratic Republic of Congo, Uganda, Tanzania, Malawi, Zambia and Mauritius.
		The complementary nature of Didata's and Plessey's skills and experience, together with Plessey's established African footprint, provided a strong market offering to the telecommunications industry throughout the continent, Didata said.
		As at 31 March 2005, Plessey had gross assets of R406.1 million and generated turnover of R890 million and profit before tax of R67.4 million during the year to March 31, 2005.
	mybroadband.co.za /nephp/?m=show&id=1315 (207 words)

	Spring 1998 Issue of Spread Spectrum Scene Online
		I'm not exactly sure when MITEL acquired these Plessey divisions, but it was sometime in the last 18 months.
		Previous Plessey chips in this series received a lot of press, but performed very poorly, if at all, and subsequently died natural deaths.
		Plessey was notorious for obsoleting parts without ever giving their customers advance notice.
	www.sss-mag.com /newiss3.html (2319 words)

	Datamonitor ComputerWire - Didata Takes Control of Telecoms Integrator Plessey
		Johannesburg-based Didata has held a 49% stake in Plessey since 1998 when it and Worldwide African Investment Holdings Ltd acquired the company for a combined ZAR 1.6bn ($246m).
		Plessey has 250 employees based in South Africa, Nigeria, and East Africa, and made a pre-tax profit of ZAR 67.4m ($10.3m) on revenue of ZAR 890m ($137m) in the year ending March 31, 2005.
		Didata was one of the most prolific IT services vendors in terms of MandA activity in the late 1990s, and after reining in its purchasing in recent years as it focused on returning to profitability, it is now adding small strategic targets.
	www.computerwire.com /industries/research/?pid=FBE7EE0C-EB84-436D-9391-D2EE1883B2B9 (232 words)

	History of Garrard
		Garrard became part of the Plessey Group of Companies with the name Garrard Engineering Ltd., and another factory was aquired in Swindon.
		H.V.Slade died a year later and in 1962 Garrard, as part of the Plessey Components Group, came under the direction of Mr T.H.Pritchard.
		Improved versions of the GT seies were introduced - the GT 250 and 350.
	garrard501.com /history.html (1610 words)

	History of Garrard
		Development started on electrical motors for gramophones, which resulted in a belt drive motor called the Model E. Because there were few electrical supply standards at that time, it could be used with AC and DC, 25 to 100 Hz, and 50 to 250 Volts.
		Garrard became part of the Plessey Group of Companies with the name Garrard Engineering Ltd., and another factory was aquired in Swindon.
		Improved versions of the GT seies were introduced - the GT 250 and 350.
	www.garrard501.com /history.html (1612 words)

	The Statpe of the Art
		In 1973, a hardware version of the idea of rings of protection together with automatic argument address validation was implemented for Multics in the Honeywell 6180 [63].
		At about the same time, the Plessey Corporation announced a telephone switching computer system, the Plessey 250 [53], based on a capability architecture.
		Current experimentation with new protection architectures is represented by the CAP system being built at Cambridge University [20] and the HYDRA system being built at Carnegie-Mellon University [21].
	web.mit.edu /Saltzer/www/publications/protection/State.html (2157 words)

	Capabilities and Address Spaces
		A Plessey 250 memory referencing instruction names a capability register that must hold a memory capability.
		It would be awkward for a C pointer to include that register name for then dereferencing would require modified code and assume that the capability registers were allocated as they were upon creation of the pointer.
		I think the Plessey 250 literature did not use the term “address space”.
	www.cap-lore.com /CapTheory/AddressSpace.html (593 words)

	Unstrung - Stratex to Acquire Plessey - Wireless Networking News Wire
		The transaction is scheduled to close on October 1, 2003, subject to customary closing conditions.
		Plessey Broadband Wireless is located in Cape Town, South Africa, where Stratex Networks intends to continue its operation.
		The Plessey product line is available in 2.4 and 5.8 GHz license-exempt bands and currently provides interfaces including 10 Base-T bridged Ethernet and up to 8xE1 or 8xT1.
	www.unstrung.com /document.asp?doc_id=40073 (884 words)

	Relic information selected
		This board would have been used in the memory circuits of the core stores which if you like were apart of Titan although some people would say the memory was distinct from the computers, you could after all put another memory in there if you wished.
		DW: This was used for controlling the graphical pointer on a graphics display which is driven by the PDP7 which was connected to the Titan but it was mainly used on its own and could be used for graphics using a relatively large screen.
		It was made by Plessey for the Titan and it had 4K words of 50 bits each.
	www.cl.cam.ac.uk /cgi-bin/relicd?name=&machine=Titan&class=any&uid= (5699 words)

	The Motley Fool UK: Market Comment 2/01/2004
		Another 36 of the class of 1984 have been acquired, while four were either broken up or pursued de-mergers.
		Fourteen members of the initial FTSE 100 have since been relegated to the FTSE 250, while three -- Enodis (LSE: ENO) (formerly Berisford), Elementis (LSE: ELM) (formerly Harrisons and Crosfield) and House of Fraser (LSE: HOF) -- have slid all the way down to the small-cap index.
		Finally, two -- Ferranti and British and Commonwealth Shipping -- went bust, proving there's no such thing as an entirely safe blue chip.
	www.fool.co.uk /news/comment/2004/c040102a.htm (286 words)

	DiData buys African telco provider \| Channel Register
		DiData already owned 49 per cent of Plessey, now it is paying £10.75m (120m South African rand) for the remaining 51 per cent.
		Plessey is a major African telecoms provider and has run projects in 19 countries.
		As of 31 March 2005 Plessey turned over £79.71m (890m Rand) and made a profit of £6.04m (67.4m Rand) for the year.
	www.channelregister.co.uk /2005/11/28/didata_buys_plessey (370 words)

	Transit Note #18 MBTA: Thoughts on Construction
		Plessey hopes to expand this to 20,000, 40,000, and later 100,000 gates.
		Plessey has a simple path for moving from these ERA's to Plessey's gate-arrays.
		TK's bits on Plessey: The basic cell is either a latch or a 2-input nand gate.
	www.cs.caltech.edu /research/ic/transit/tn18/tn18.html (2567 words)

	The Statpe of the Art
		Recently, descriptor-based architectures, which can be a basis for the more sophisticated protection mechanisms described in Section II, have become common in commercially marketed systems and in most manufacturers' plans for forthcoming product lines.
		In 1973, a hardware version of the idea of rings of protection together with automatic argument address validation was implemented for Multics in the Honeywell 6180 [63].
		At about the same time, the Plessey Corporation announced a telephone switching computer system, the Plessey 250 [53], based on a capability architecture.
	gatekeeper.dec.com /pub/DEC/SRC/publications/mds/ProtInf/State.html (2157 words)

	Fonts shareware
		IDautomation MSI/Plessey Font Pack - Our MSI Plessey Font Advantage Package can be used on any computer system supporting TrueType, PostScript, PCL, BDF and FON fonts including Microsoft Windows, Macintosh and UNIX to print MSI / Plessey barcodes.
		Keywords: MSI Plessey Bar Code Fonts :: TrueType :: OpenType :: PCL laserjet soft fonts and PostScript font versions are included
		Our EZ Bar Code Font Package for Windows is an easy to install barcode font package that contains easy to use Code 39 and Codabar TrueType fonts.
	shareware.download-soft.com /Fonts-1.htm (1165 words)

	Medium Wave Circle ~ Receiver reviews - Lowe HF-250
		The HF-250 uses the same mixer configuration as the Lowe HF-150: two Plessey SL 6440 high level active mixers, separated by a 15 kHz roofing filter.
		If you connect an external speaker to the HF 250 for long distance listening, use a communications speaker with a restricted frequency range.
		The audio range of the HF-250 is flat down to 40 Hz, even in the mid- position of the tone control.
	www.mwcircle.org /page135.htm (5113 words)

	Efficient Support for Unique Names in Capabilities - Homepage of Prof. Dr. J.L.Keedy
		The machine architecture of the Monads II and Monads-PC systems supports a set of capability registers, into which segment capabilities can be loaded by special instructions.
		(Earlier systems such as the Plessey System 250 had capability registers containing main memory addresses, not virtual addresses.) Addressing modes in programs thus have variants of the form «cap.reg.#, offset», so that the long unique virtual addresses do not adversely influence program size or efficient addressing.
		The persistent virtual memory is decomposed into "address spaces", each of which is allocated a 28 bit addressing range, so that a large persistent virtual address can be viewed as a two part entity: «address space #, offset in address space», as shown.
	www.jlkeedy.net /the_monads_project/efficient_support_for_unique_names_in_capabilities.html (1047 words)

	Reflections on an Operating System Design
		The Plessey 250 system [4] uses a similar mechanism, but with the benefit of hardware support.
		Since our physical CM was only 32K, this was very serious, and resulted in many circumlocutions in the implementation of the user system for the sole purpose of minimizing the size of domains in the full path.
		The only real solution is hardware support, as in the current Multics [l3] or the Plessey 250 [4].
	research.microsoft.com /lampson/15-ReflectionsOnOS/WebPage.html (11114 words)

	Guzik - RWA-2550++
		PRML chip integration with data rates to 800 Mbits/sec.
		MR Read Bias: Programmable -20 to 20 mA in 0.01 mA steps or serial control of bias current.
		Differentiators: Two plug-in positions for custom modules with data range from 5 to 250 Mflux/s (optional).
	www.guzik.com /products_rwa2550plus.asp (327 words)

	Ch. 10: Fallout Radiation Meters - Nuclear War Survival Skills
		A less expensive dose rate meter designed for rugged wartime use is the Portable Radiological Dose Rate Meter PDRM 82, manufactured in England by Plessey Controls Limited, Sopers Lane.
		This instrument is the current standard issue of the British armed forces and civil defense, is designed for a storage life of at least 20 years, is microcomputer controlled, EMP-proof, and displays "FAIL" if a fault exists.
		In 1987 this portable, four-digit-liquid-display dose rate meter is sold by Plessey Controls for 250 British pounds plus air shipment charges - all pre-paid.
	www.oism.org /nwss/s73p921.htm (3562 words)

	Burroughs Large Systems Architecture
		A variation of the descriptor, the "capability", appeared in the design of the Plessey 250 [Lis75, pp.120-123] and more recent machines.
		This series supports multitasking in its high level languages (yes, the compilers are extended to allow concurrent ALGOL and COBOL!) One particularly useful instruction is the RDLK (read-lock).
		It is an indivisible operation which reads from and writes into a memory location (a similar instruction was available on the Plessey 250 [Lis75, pg.37]).This can be used for task synchronizing flags.
	www.ajwm.net /amayer/papers/B5000.html (3526 words)

	Altair's N4YWK Microwave Radio Projects
		The C.A.R.E.S. system has not grown into 1.2 GHz as planned, but I keep the link board around just to show how it can be done.
		Uses a fixed-modulus PLL from Plessey and a crystal near 5 MHz to lock its vco near 1280 MHz.
		The circuit board artwork was done with Windows Paintbrush.
	www.altair.org /mwave.html (1295 words)

	BarCode Labels UK, Self Adhesive BarCode Labels Printed on A4 Sheets
		How to work out the cost: If you want 1,000 printed labels 63x46 mm, as there are 18 labels per sheet you would need 56 A4 sheets at £1.95 each = £109.20 + pandp + vat
		The minimum order is 25 A4 sheets £2.50 each + £7.50 pandp + vat
		Barcode labels can also be printed on high quality polyester for harsh industrial or exterior use Price List Click Here
	www.abalabels.co.uk /barcode_labels_uk.htm (226 words)

	business.iafrica.com \| company news Didata buys 51% stake in Plessey
		My Money Take control of your financial future with our expert personal finance advice.
		Information technology group Dimension Data (Didata) on Monday announced that it would acquire Worldwide African Investment's 51 percent interest in telecommunications group Plessey for R120-million in cash.
		Didata has held its existing 49 percent shareholding in Plessey since 1998.
	business.iafrica.com /company/625404.htm (199 words)

	Subscribers Photos (Site not responding. Last check: )
		While other technical Web Lists have decayed and drifted off topic, I am happy to say the Premium-Rx continues to fulfill its initial goal.
		This has only been possible through the efforts of many, and as just one of the 250+ members, my thanks to all that have helped along the way.
		Several friends and family member have told me I look "really mean" in this mug shot.
	kahuna.sdsu.edu /~mechtron/PremRxPage/photos.htm (1462 words)

	Fonts trial - Fonts demo - Fonts Desktop Enhancements free download
		Fonts - IDautomation MSI/Plessey Font Pack - Our MSI Plessey Font Advantage Package can be used on any computer system supporting TrueType, PostScript, PCL, BDF and FON fonts including Microsoft Windows, Macintosh and UNIX to print MSI / Plessey barcodes.
		Fonts Keywords: MSI Plessey Bar Code Fonts :: TrueType :: OpenType :: PCL laserjet soft fonts and PostScript font versions are included
		Fonts - Our EZ Bar Code Font Package for Windows is an easy to install barcode font package that contains easy to use Code 39 and Codabar TrueType fonts.
	trialfreedownload.com /Fonts (1535 words)

	Magnetek - Media Room - Backgrounder (Site not responding. Last check: )
		Magnetek was formed in 1984 through the acquisition of Litton Industries' Magnetics Group, and was listed on the New York Stock Exchange in 1989 (Symbol MAG).
		During the latter 1980s and early 1990s, the company grew rapidly by acquiring other electrical equipment businesses, as well as Plessey S.p.A., Europe's leading independent manufacturer of power supplies for personal computers, which became the nucleus of Magnetek’s digital power-electronics business.
		In 1994, Magnetek began divesting its electrical equipment businesses to concentrate on power-electronic products.
	www.magnetek.com /corpinfmediabackgrounder.htm (1397 words)

	Insight - Kyocera FS 920 - Printer - B/W - laser - Legal,...
		For more information on our security measures, please visit our privacy policy.
		FS-920 is a professional desktop printer with up to 18ppm, 1200 dpi quality and low noise.
		ANSI A (Letter) (216 x 279 mm), Legal (216 x 356 mm), A4 (210 x 297 mm), A5 (148 x 210 mm), B5 (176 x 250 mm), 70 x 148 mm
	uk.insight.com /apps/productpresentation/index.php?product_id=KYOFS920 (455 words)

	Eugenio´s Warships - F85
		Complement: 250 (31 officers), but the total amount could rise up to 301.
		Missiles: SSM: 8 x McDonnell Douglas Harpoon Block 1C, two quad launchers.
		Torpedoes: 6 x 324mm Plessey STWS Mk 2 (2 triple tubes).
	www.losbarcosdeeugenio.com /barcos/en/rn_F85.html (151 words)

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