Pierce oliver b (5 Ergebnisse)
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000.
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- Softcover
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Zustand: Sehr gut. Zustand: Sehr gut | Seiten: 412 | Sprache: Englisch | Produktart: Bücher | Keine Beschreibung verfügbar.
Weitere BilderThe Philosophy of PCM [Bell Monograph, later printing]
Oliver, B. M.; Pierce, J. R.; Shannon, C. E. [Claude Elwood]
Verlag: Bell Telephone Laboratories, Incorporated, New York, N.Y., 1956
- Softcover
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In den WarenkorbWraps. Zustand: Very Good. Later printing. Later printing. [1]-8 pages. 10 7/8 x 8 3/8 inches (275 x 213 mm) Self-wrappers. "MONOGRAPH B-1611 | Reissued May, 1956" upper right. Five holes punched at the spine as issued. The staples are rusty and affect the paper. Unlike many Bell System Monographs, this re-issue was apparently n…ot issued with the characteristic blue/grey wrappers. Wraps. The Proceedings of the Institute of Radio Engineers, Vol 36, pp. 1324-1331, November 1948 first published this paper. There is no known IRE offprint for this paper. Hence, the first printing of the Bell Telephone Systems Monograph (#B-1611, 1948) constitutes the first separate edition. This Bell Monograph was also later reprinted, as here, in May 1956. While the foundations for Pulse Code Modulation (PCM) were laid many years before, Shannon, Oliver, and Pierce were inducted into the National Inventors Hall of Fame for its invention. The US Patent Office granted Shannon and Oliver US Patent US2801281A for a "Communication system employing pulse code modulation," and John R. Pierce U.S. Patent 2,437,707 for a similar invention. Most people have no idea what PCM is, even though they use it every day on their computers, phones, and CDs - it is found nearly anywhere that requires the digitization of analog signals. This paper explains for the average engineer the basics of PCM directly from the minds of the inventors. "Recent papers describe experiments in transmitting speech by PCM (pulse code modulation). This paper shows in a general way some of the advantages of PCM and distinguishes between what can be achieved with PCM and with other broadband systems, such as large-index FM. The intent is to explain the various points simply rather than to elaborate on them in detail. The paper is for those who want to find out about PCM rather than for those who want to design a system. Many important factors will arise in the design of a system which are not considered in this paper." (Summary) PROVENANCE: The personal files of Claude E. Shannon (unmarked). The last of two examples of this item in Shannon's files. REFERENCES: Sloane and Wyner, "Claude Elwood Shannon Collected Papers," #40 National Inventors Hall of Fame (invent dot org) COLLECTORS NOTE: The Bell Telephone System Monograph series offered a way to obtain individual articles by Bell scientists regardless of where their work was first published. Many Monographs significantly postdate the original article publication. Because of this, they rarely constitute the coveted (and traditional) article offprint. If the journal of record issued no offprint, the Monograph might be the first separate publication - the closest the collector can come to a traditional offprint. We have done our best to place each Monograph properly in the article's publishing history and welcome any corrections or additional information, especially regarding issues unknown to us.
Verlag: Jan. 4, New York, 1841
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In den WarenkorbFolio broadside, approx. 19" x 13", text in triple column, top half of the broadside announcing a series of lectures on English grammar in various locations in New York, and classes "for a term of years" on grammar at the Park Grammar School. Dates, times, and terms are discussed. The bottom half of the broadside contains testim…onials from eight other grammarians, educators, and newspaper editors. Not found in OCLC or American Imprints.
