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suspect that shrinking something but otherwise the same isn't enough. So, ok, the head lock system is the patent. I thought stereo came some years later, at least it was a lot later when I knew about it. We had a Sony (mono) reel-to-reel recorder when I was young, mostly to send tapes to/from my grandparents. I knew early that stereo tapes were not compatible because of the track arrangement. The in high school years, I got a stereo reel-to-reel (as above, with 1.875, 3.75, 7.5 in/s), and about then knew that cassettes used a different track system, because
Philips required. Reminds me that I also knew that Philips required CD (and CD-ROM) players to only run 1x. The others only came after the patent expired. In any case, the article credits the two-hole cassette to Belgium and Ottens.
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issue because the the object may consist of a number of innovations, not all of which are patented inventions. So one usually looks for a reliable source, sometimes a court of law, to figure who really invented the object. To me, at first glance, claims 2 and 3 of US 3394899 appear to claim the CC. I haven't looked at the Ottens patents to see whether what they claim is all or part of the CC, but even if I did this might be OR. I think the best approach is to try and find an RS along the lines of but better than
Bookshop.org. If I have some time I will poke around.
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erase head. The cassettes could not be removed from the drive during playback. It was precisely to this detail that the later compact cassette patent registered under the number 1191978 on
January 31, 1964 at German Patent and Trademark Office in Munich has been registered. Peter van der Sluis developed the corresponding recorder. The magnetic head specialist Herman Cornelius Lalesse had the idea of ​​dividing the 1.5 mm wide mono track on a playback side into two tracks for stereo.
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process seems far from trivial. Logically, the middle line of the tape which separates left and right sides, should be free of metal oxide and be just transparent plastic carrier, onto which a stroboscopic pattern would be printed at factory - allowing decks to control linear speed exactly via optical sensor. However that's not the case, probably due to cost reasons, so what's the solution?
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floor of a 6 story Jewish organization which has since sold their building, having in other ways also needing more space. Today the term would probably be a wiki redirect to an article that includes web sites of recordings of speakers, delivered to a live audience and recorded. A well-attended
Brooklyn-based Talmud class given by the son is recorded by his father, who handles "uploading."
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somewhere how a capstan drive works - the pinch roller system drags tape off the reel at a constant speed, and the drive and takeup spools just provide enough tension to take up the slack...must find a good simple description because I don't understand it well enough to write an article section on it. --
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The head locking the cassette is one known invention - the may be other patents we haven't found and/or everything else could be known public art or licensed prior art. The parent allows for other known two hole cassettes known in the art that didn't lock. The question now is what changes if any do
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the
Compact Cassette. Schoenmakers, a member of Otten's team is the named inventor on one patent that has claims which at first glance appear to cover the Compact Cassette. There may be other patents; if we had a copy of Philips' license agreement we would know all the patents that Philips asserted
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is says, " Lou Ottens, was the team leader in
Belgium. Involved in the team were J.J.M. Schoenmakers and Peter van der Sluis (the cassette PHILIPS EL 1903, the mechanism, the Recorder EL 3300)." At this point if we consider the "inventor" to be the person named on a patent. I think we have to remove
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Hmm. My first thought is that the head locking the cassette is the least important part. I might have thought the tape width or speed, both of which allow for the small cassette, were the important ones. But then again, are those patentable? Probably not. I don't know patent law all that well, but I
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I suppose, but the one you found is from
Philips Netherlands. I suspect I don't know patent law all that well, but in the case of a corporation, where the invention is by a research group, or even more, the collective work of more than one group, it is less obvious who gets there name on it. As well
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I was trying to find the original, or some of the original, patents for the
Philips cassette. Especially with the note above that Otten is the inventor, I thought that would help, but so far didn't. It would be both a useful reference for the article, and interesting related to the above discussion.
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If you don't mind the O.R. In the singular, it's an old fashioned tape with Jewish religious content. Entire libraries of these, often loaned to non-paying "members" and one particular such library, located in
Manhattan, outgrew their assigned space, loaded with filing cabinets of tapes, on the 4th
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I agree with the statement given in response to my HelpDesk question "doesn't sound like a topic for a whole article" yet that doesn't mean that it should not exist at all on Wiki. Although AudioBook was mentioned in the HelpDesk response, the word "Tape" in 'Torah Tape' makes it seem that, wihout
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Same discussion exists as to the inventors of the disk drive and there was quite a lawsuit over the invention of the computer. However, when there is a patent, legally all the inventors must be named in the disclosure and then they are listed on the patent when issued. Even then there can be an
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Lou Ottens sees himself as a team player: "I always worked with other people when developing new products."Drew for the construction of the original cassette and the drive Jan
Schoenmakers responsible. He also had the idea of ​​locking the cassette in the drive by inserting the tape head and the
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started this thread looking for one or more Otten patents to go along with Otten's purported "invention" of the Compact Cassette. Yes sometimes it is difficult to distinguish the inventors of a patented innovation from those who helped reduce it to practice, but it is the legal requirement in US
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This article should take care to explain how casette players / recorders keep constant linear tape speed? Since the diameter of providing (unpowered) and receiving (powered) spools change constantly and their diameters are unknown, due to existence of 15 to 120 and even 180 minute casettes, the
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Constant linear speed is not specific to Compact Cassette transports, but to all tape recorders. It is true that the lowest-end reel-to-reel machines did without it, but anything better had to have linear speed. Enter the capstan and pressure roller combo, as early as the first Magnetophones.
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Over the next few weeks I plan to restructure some of the sections in this article. Particularly in the "Cassette types" section, I would like to add some subheadings to differentiate between each type to allow for better user readability. Feel free to leave any suggestions or questions here.
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What makes you think cassette tape recorders bothered to keep constant linear speed? The ultra compact pocket dictation machines just dragged the tape through willy-nilly, relying on playback on a similar machine to keep the voice recording intelligible. But you are right, we should describe
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claiming some aspect of the Compact Cassette. Where the patents were issued is irrelevant; Schoenmakers is in at least two jurisdictions. So in the end we are left with "Otten led the team that developed the Compact Cassette with a member, Schoenmakers, patenting one aspect thereof.
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says above, anyone in the group who contributed to the invention is legally required to be listed as an inventor on the patent. Otten still may have contributed to critical aspects of the cassette that were not patented and so could still be considered an inventor if that is the case.
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in the variety of sound recording media. It would seem that there could be an article on the production and sale of prerecorded audio media, including prerecorded cassette tapes. In a quick search, I didn't find one. I will try discussion in
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Reminds me of all the discussions about the invention of the transistor, and especially Shockley. When it is not a lone inventor, it is harder to figure out who to name. But Ottens does have some patents, which was part of what confused me.
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any form of edit-war or unfriendly wordings, I/M/H.O. the placement near Culture seemed like a good place. I was in the process of expanding the WikiText, since it's not just Boro Park or even Brooklyn that housed these libraries.
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for this article which does not have a single instance of any other type of recording content. If Torah Tape is worthy of its own article, that should be discussed but not here. Accordingly, I am deleting the section.
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This supports Schoenmakers as the inventor of the CC in that the primary innovation was using the recording mechanism to lock the CC to the recorder. Whether this is enough to put it in the article is another question.
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by Ottens assigned to Philips with a priority date prior to 1965 which makes it hard to call him the inventor. It looks like all of his recent obituaries confused his management position with the invention.
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Otten as the inventor and go with Schoenmakers. Or if we can find an RS (I'm not sure about Bookshop.org) for the team then we can go with the team, the patent and Schoenmakers as the "inventor."
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in the "mixtape" doc, there is a scene with ottens & three members of his team; I would recommend finding this on a platform of your choice & hearing the story from the man himself.
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Philips R&D leader, Lou Ottens, was inspired by the success and wanted to make an even smaller version. His motivation eventually sparked the release of the world’s first audio cassette.
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as I remember from last week, he does have some patents later. But again, is it the person who sits at the bench, or the manager that gets the group to do what they do? (and don't forget
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Some of this is probably my fault, but quite a few of the stubs I've begun, once draftified for lack of followup, have gone stale, so I was a little hesitant to tackle this topic. Rabbi
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As the study notes, its conclusions about open real audio tape may not be applicable to other later formats like Cassette tape and certainly not to later non-iron oxide formulations.
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If this sequnce of edits is successful, the article's Orange Hat/Hatenote (i.e. to not scare away readers).will be resolved, and it will also house a bit about the topic Torah Tape.
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If this sequnce of edits is successful, the article's Orange Hat/Hatenote (i.e. to not scare away readers).will be resolved, and it will also house a bit about the topic Torah Tape.
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encuouraged recording of his packed Thursday night talks, and today copies of physical tapes are still sold/bought, though not the volumes of a decade ago.
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This article is on the technology of the medium itself. That would be up through the production and sale of blank tape. More generally, there is
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and presumably non-critical ones. But the patent seems to belong to Philips Netherlands, even though we (supposedly) know it came from Belgium.
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In the flaws section, a longevity of up to 30 years is cited, based on old research. Recent data suggests it to be closer to 100 years:
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This article has previously been nominated to be moved. Please review the prior discussions if you are considering re-nomination.
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of this article, as one paragraph, following the paragraph on Khomenini and the Iranian revolution? Seems to fit therein.
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Here is another source that has Ottens as the leader of the team that came up with the CC but not necessarily its inventor:
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Just to be sure, since I made the mistake of calling him Ottens instead of Otten, and that seems to have been repeated.
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patents that all inventors be named. Clearly there are no such patents by Otten and clearly Otten lead the team that
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on Knowledge (XXG). If you would like to participate, please visit the project page, where you can join
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on Knowledge (XXG). If you would like to participate, please visit the project page, where you can join
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https://www.clir.org/2022/08/study-reveals-new-findings-on-longevity-of-legacy-magnetic-audio-tape/
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The makers consisted of a Philips team of about 40 designers and engineers lead by Ottens.
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please discuss why this should be in the article rather than simply reinstalling!
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Apparently this is a common mistake, so I went back to Google patent and find
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which explains all this in detail. See-also reference in a minute or two. --
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we make to the article. For example, do we add the two patents?
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Where does Torah Tape belong as a section of a general article
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BNM Wiki - Compact cassette - KompaktkassetteEncyclopedia
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43:This is the
1472:PrimeHunter
1427:Wtshymanski
1409:Wtshymanski
1095:contributed
901:EP0120518B1
339:Peer review
172:free images
55:not a forum
1556:Categories
1536:talk:Genre
1115:I believe
994:There are
897:US 3394899
713:Multimedia
687:Sound bite
1348:Longevity
1229:duncanrmi
1122:developed
905:Elsewhere
852:Not Moved
842:Not Moved
832:Not Moved
423:is rated
112:if needed
95:Be polite
45:talk page
1509:Tom94022
1465:Tom94022
1372:Tom94022
1311:Tom94022
1290:Tom94022
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1177:Tom94022
1127:Tom94022
1070:Tom94022
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1035:Tom94022
1001:Tom94022
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940:Tom94022
910:Tom94022
363:Promoted
344:Reviewed
239:365Â days
210:Archives
80:get help
53:This is
51:article.
1490:Nuts240
1329:Hello,
1305:Nuts240
1270:Nuts240
1251:Nuts240
734:Answer
673:Cleanup
623:on the
518:on the
425:B-class
382:Demoted
322:Process
178:WPÂ refs
166:scholar
1335:ZacZig
1091:anyone
866:Patent
707:Verify
431:scale.
325:Result
150:Google
822:Moved
727:Other
596:Media
587:Media
543:Media
412:This
281:is a
193:JSTOR
154:books
108:Seek
1544:talk
1540:Gah4
1513:talk
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1093:and
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925:Gah4
914:talk
891:Gah4
877:talk
873:Gah4
694:NPOV
615:High
510:High
319:Date
186:FENS
160:news
97:and
1068:As
1054:.)
200:TWL
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