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Current document root: Journal of the Society of Motion Picture Engineers ( Volume: 28, Issue: 3, March 1937)

Modern Theater Loud Speakers and Their Development

SMPTE • Journal Article • [Active]

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  • 1. Watson T. A. : U. S. Pat. No. 266,567; filed April 17, 1880, issued October 24, 1882 .EXTERNAL
  • 10. Maxfield J. P. Harrison H. C. : “Methods of High-Quality Recording and Reproducing Music and Speech Based on Telephone Research,” Bell Syst. Tech. J. , 5 (July, 1926 ), No. 3 , p. 493 . Harrison, H. C.: U. S. Pat. No. 1,730,425; October 8, 1929.EXTERNAL
  • 11. Bostwick L. G. : “An Efficient Loud Speaker at the Higher Audible Frequencies,” J. Acoust. Soc. Amer. , 2 (Oct., 1930 ), No. 2 , p. 242 .EXTERNAL
  • 12. Maxfield J. P. Flannagan C. : “Wide-Range Reproduction in Theaters,” J. Soc. Mot. Pict. Eng. , XXVI (Jan., 1936 ), No. 1 , p. 67 .EXTERNAL
  • 13. Wente E. C. Thuras A. L. : “Symposium on Wire Transmission of Symphonic Music and Its Reproduction in Auditory Perspective—Loud Speakers and Microphones,” Bell Syst. Tech. J. , 13 (April, 1934 ), No. 2 , p. 259 .EXTERNAL
  • 2. Capps F. L. : U. S. Pat. No. 441,396; filed April 7, 1890, issued November 25, 1890 .EXTERNAL
  • 3. Siemens Halske : German Pat. No. 2355; December 14, 1877 . Siemens: Brit. Pat. No. 4685; February 1, 1878. Cuttriss and Redding: U. S. Pat. No. 242,816; June 14, 1881.EXTERNAL
  • 4. Prescott G. B. : “Bell's Electric Speaking Telephone,” D. Appleton & Co. ( New York ), 1884 , p. 458 .EXTERNAL
  • 5. Ibid. , p. 441 .EXTERNAL
  • 6. Tournayre Tournayre : French Pat. No. 463,660; submitted October 15, 1913 , published March 2, 1914.EXTERNAL
  • 7. Webster A. G. : “Acoustical Impedance and Theory of Horns and Phonograph,” Proc. Nat. Acad. Sci. , 5 ( 1919 ), No. 6 , p. 275 .EXTERNAL
  • 8. Green I. W. Maxfield J. P. : “Public Address Systems,” Bell Syst. Tech. J. , 2 (April, 1923 ), No. 2 , p. 113 .EXTERNAL
  • 9. Wente E. C. Thuras A. L. : “High-Efficiency Receiver of Large Power Capacity,” Bell Syst. Tech. J. , 7 (Jan., 1928 ), No. 1 , p. 140 .EXTERNAL