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Why did Tektronix stop making the great scopes?
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N2IXK:
The Tek 4631 "Hard Copy Unit" used a technology that Tek was well versed in--the CRT. They used a strange looking flattened CRT with a fiber optic faceplate (made by Tek, of course) as a sort of line scan array to directly record the image onto the photosensitive paper.
coppice:

--- Quote from: N2IXK on January 16, 2015, 03:38:04 am ---The Tek 4631 "Hard Copy Unit" used a technology that Tek was well versed in--the CRT. They used a strange looking flattened CRT with a fiber optic faceplate (made by Tek, of course) as a sort of line scan array to directly record the image onto the photosensitive paper.

--- End quote ---
I don't remember there being any fibre optics involved, but it was s single line green phosphor screen pressed tightly against a sheet of photosensitive paper, which slide past to make a 2D image. It took a few seconds per page, and gave very good resolution - it matched the 4k x 3k resolution of the screens. This was the main graphics printer of its day.

Tektronix made XY plotters, full computer versions of the 4010 and 4014 graphics terminals (the 4051 and 4052), and many other computer related bits and pieces through the 70s and 80s. The colour printers were certainly not taking them into a whole new area.

I think the 4051 and 4052 were mostly a response to the momentum HP were getting with the HPIB/GPIB, offering a reasonably compact basic programmable machine to control instruments. After that point a serious T&M maker couldn't really divorce themselves from the world of computers.
photon:

--- Quote from: Rupunzell on January 15, 2015, 05:31:43 pm ---For those who might be interested in what has happened to American industry and why once great companies can go so very wrong, this book, "When The Machine Stopped." By Max Holland is a must read.
http://articles.latimes.com/1989-03-26/books/bk-741_1_machine-tool-industry
Bernice

--- End quote ---

The book is a great read. Also, an online article by the same author is here:
http://www.washingtondecoded.com/site/2007/03/phil_oreilly_re.html

The machine tool industry is the subject. A company called Houdaille bought up a number of smaller machine tool companies in the 1960's. By 1979 the CEO of Houdaille and a handful of executives decided to take the unbelievably sweet deal offered by the justly infamous financial LBO comany KKR. It made these few executives and KKR extremely wealthy at the expense of the engineers and machinists who had built the company and who got zero.
Wuerstchenhund:

--- Quote from: Rupunzell on January 15, 2015, 05:31:43 pm ---http://www.fundinguniverse.com/company-histories/lecroy-corporation-history/
--- End quote ---

Interesting article, although a I don't think that in 1996 a scope like the LeCroy 9384 (a 1Ghz 4GSa/s 8Mpts scope) ever qualified as "mid-range". I'm not sure even Tek had anything that came close to it (a scope that aside from the specs offered very advanced maths and analysis, even for specialty applications like hard disk analysis).


--- Quote ---And yes, I'm extremely offended by those who labeled me a "Retard", these words posted also says much about the individual who wrote that word.
--- End quote ---

I said your quoting is retarded, and it is. It's like you take a dump on other people's dinner table and then feel offended when you're called out for it.

Rupunzell:
To gain a proper understanding of what happened to Tektronix one needs to study and learn about how this legal dispute between Tektronix and LeCroy was resolved and how it affected both companies. The legal ramifications has little to do with if the LeCroy 9384 is current. There continues to be a failure to see and understand beyond the obsession of current offerings which are very much products of a companies history, business-managment practices and specific individuals who invented and originated the intellectual property.

Focusing purely on what is current and most modern will NEVER allow a full and deep understanding of any companies current products. To learn, understand and appreciate that requires studying history. This means learning about who were directly involved with the companies founding, what they created, how the products they introduced affected the market, what the market climate was like, what the social-cultrual environment was like at the time, business practices and a LOT more.

Like it or not, the vast majority of time domain instrument operation and theory of operation are based on the basic frame work and foundations created by Tektronix decades ago. aka, Tektronix 500 series.

When YOU label an individual as a "Retard" YOU are committing an act of verbal and abusive violence upon that individual. The lack of understating appears to stem from wanting to see things the way you would like to see, hear and read it. Rejecting and discounting what has been presented to you as bunk as what was presented did not fit your expectations. It was not even worth your effort to gain any understanding of what was written.

All of which says much about who you really.


Bernice



--- Quote from: Wuerstchenhund on January 16, 2015, 08:07:24 pm ---
--- Quote from: Rupunzell on January 15, 2015, 05:31:43 pm ---http://www.fundinguniverse.com/company-histories/lecroy-corporation-history/
--- End quote ---

Interesting article, although a I don't think that in 1996 a scope like the LeCroy 9384 (a 1Ghz 4GSa/s 8Mpts scope) ever qualified as "mid-range". I'm not sure even Tek had anything that came close to it (a scope that aside from the specs offered very advanced maths and analysis, even for specialty applications like hard disk analysis).


--- Quote ---And yes, I'm extremely offended by those who labeled me a "Retard", these words posted also says much about the individual who wrote that word.
--- End quote ---

I said your quoting is retarded, and it is. It's like you take a dump on other people's dinner table and then feel offended when you're called out for it.

--- End quote ---
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