Ribbon [Current Sheet] REFERENCES
LAST UPDATED: December 14, 2001
[Additional References are solicited - providers will be cited in text below.]
1925
E. Gerlach, "Electrodynamic Loud Speaking Apparatus," U.S. Patent No. 1,557,356,
(1925 October).
1951
P.L. Taylor, "Ribbon Loudspeaker," Wireless World, pp. 7-12 (1951 January).
1954
F.V. Hunt, Electroacoustics, The Analysis of Transduction and Its Historical Background,
Amer. Inst. Phys., for Acoust. Soc. America, pp. 78-79, (1954, 1982).
1957
H.F. Olson, Acoustical Engineering, Van Nostrand Company Ltd. (1957), reprinted by
Professional Audio Journals, Inc. PO Box 31718, Philadelphia, PA (1991).
1970
A. Boleslav, "Loudspeakers for Model Investigations," J. Audio Eng. Soc., vol. 18,
no. 4, pp.378-383 (1970 August).
1971
G.L. Hobrough and R.L. Wathams, "Ribbon Loudspeaker," U.S. Patent No. 3,564,163,
(1971, February).
1972
O.A. Lindemann, "Radiation Impedance of a Long Narrow Rectangular Piston in a Plane Baffle," J.
Acoust. Soc. Am., vol. 52, pp. 1045-1048, (1972).
1973
A.E. Falkus, "Twin-Ribbon Speaker," Wireless World, vol.79, no. 1417, pp.29-30,
(1973 January).
1977
A.F. Kasatkin and A. Feldman, "Ribbon Type Loudspeaker," U.S. Patent No. 4,001,522,
(1977 January).
A.F. Kasatkin, J.V. Smirnov, and I.A. Feldman, "Ribbon Loudspeaker," U.S. Patent No.
4,001,523, (1977 January).
A.F.Kasatkin, J.V. Smirnov, and I.A. Feldman, "Ribbon Loudspeaker," U.S. Patent No.
4,027,111, (1977 May).
A.F.Kasatkin, J.V. Smirnov, and I.A. Feldman, "Ribbon Loudspeaker Achieves Focusing and
Uniformity of the Magnetic Flux in the Working Gap," U.S. Patent No. 4,049,926,
(1977 September).
1978
G.L. Hobrough, "Peak Amplitude Protection System for Ribbon Loudspeakers," U.S. Patent No.
4,085,299, (1978 April).
1979
C.J. Drost, "Near and farfield of strip-shaped acoustic radiators," J. Acoustic Soc. Am.,
vol. 65, no. 3, pp. 565-572 (1979 March).
1982
J.M. Winey, "Line Radiator Ribbon Loudspeaker," U.S. Patent No. 4,319,096, (1982 March).
C.R.B. Lister, "Vibratory Ribbon Speaker," U.S. Patent No. 4,317,966, (1982 May).
1983
T.P. Colangelo, "Ribbon Loudspeaker," U.S. Patent No. 4,395,592, (1983 July).
1984
T. Oyaha, "Ribbon Type Speaker and Method of Assembling Magnetic Circuit Thereof," U.S. Patent
No. 4,461,932, (1984 July).
M.L. Lampton and J.H. Primbsch, "Simple Ribbon Tweeters," Speaker Builder, vol. 3, pp.
7-13 & 14, (1984).
G.L. Hobrough, "Ribbon Loudspeaker having Corrugated Ribbon for Reducing Distortion," U.S.
Patent No. 4,473,723, (1984 September).
1985
H. Mayr, "Theory of electrodynamic high-frequency loudspeakers," Alta Frequenza, vol. LIV,
no. 2, pp. 64-69, (1985 March-April).
G.E. Walker, L. Spiegel, A.J. Shuman, and J.L. Kirtley, Jr., "Ribbon Speaker System," U.S.
Patent No. 4,550,228, (1985 October).
1986
T.B. Hobrough, "Means for Controlling Ribbon Edge Clearance in a Ribbon Loudspeaker," U.S.
Patent No. 4,580,014, (1986 April).
1988
O. Thofte, "La Folia: A Kitchen Bench Ribbon Speaker," Speaker Builder, vol. 1, pp.9-17,
(1988).
R. Painter, "A Low-Cost Two-Way Ribbon System," Speaker Builder, vol. 4, pp.38-40, 58,
(1988).
1990
U.R. Enz, A.A. Cornberg, and N.E.F. Hansen, "Electroacoustic Transducer comprizing a
Superconducting Element," U.S. Patent No. 4,912,086, (1990 March).
G. Bank & J.R. Wright, "Radiation Impedance Calculations for a Rectangular
Piston," J. Audio Eng. Soc., vol. 38, no. 5 (1990 May).
R. Hartley, "Banking on it... Robert Harley talks to loudspeaker designer Graham Bank, of
Celestion," Stereophile, pp. 103-108, (1990 May).
1992
G. Bank and H.C. Pinfold, "Ribbon Transducers," U.S. Patent No. 5,148,888, (1992
September).
1993
L. Spiegel and M.B. Nazar, "Acoustical Ribbon Transducer Loudspeaker System," U.S. Patent
No. 5,195,143, (1993 March).
A.F. Kasatkin and I.A. Feldman, "Wide-Ribbon Loudspeaker," U.S. Patent No. 5,212,735,
(1993 May).
T.T. Saitama, "Ribbon Speaker," U.S. Patent No. 5,212,736, (1993 May).
G. Bank and H.C. Pinfold, "Ribbon Transducers," U.S. Patent No. 5,243,150, (1993
September).
1995
S.P. Lipshitz, T. Scott & Bruno Salvy., "On The Acoustic Impedance of Baffled Strip
Radiators," J. Audio Eng. Soc., vol. 43, no. 7/8 (1995 July/August). [Correction
to author citations, thanks to "PipexAngus" March 2002.]
1996
G. Bank and M.O.J. Hawksford, "Comparisons between the Measured and Computed Performance of
Ribbon Loudspeakers," J. Audio Eng. Soc. Preprint 4210 (J-7), presented at 100th
Convention, Copenhagen, (1996 May).
D. Jenkins, "Measuring Driver Flux Density," Speaker Builder, vol. 3, pp. 46-51,
(1996).
1997
A.L. Butler and J.L. Butler, "The Rebirth of a Ribbon Loudspeaker," presented at 133th meeting
of the Acoustical Society of America, State College, PA, (1997 June).
A. Deniz, "Of Mass and Resistance," Speaker Builder, vol. 4., pp. 36-42, (1997).
1998
R. Sequerra, "Classical Ribbon Loudspeakers," Internet-based Essay, (1998).
L.C. Menasco, Jr. and J.W. Menasco, "Acoustic Audio Transducer with Aerogel Diaphragm,"
U.S. Patent No. 5,748,758, (1998 May).
2001
J.V. Verhagen, "Ribbons Made Easy,", AudioXPress, vol. 32, no. 5,
pp. 56 - 63, (2001 May). [Thanks to Justus Verhagen]
Acoustic Line Source Research - Table of Contents.