Planar-Magnetic REFERENCES

LAST UPDATED: March 6, 2003 - [Please note that the identifier "ribbon" is often a misnomer for planar below.]

[Additional References are solicited - providers will be cited in text below.]

1975

J.M. Winey, "Planar Speaker", U.S. Patent No. 3,919,499, (1975 November).

1979

R.C. Whelan and C.J. Sealey, "Pattern Voice Coil Loudspeaker with Baffles Touching Diaphragm", U.S. Patent No. 4,156,801, (1979 May).

1980

J.M. Winey, "Magnetic Field Structure for Planar Speaker", U.S. Patent No. 4,210,786, (1980 July).

1981

H. Suyama, "Electroacoustic Transducer with Magnetic Flux Directly Slantly across a Diaphragm", U.S. Patent No. 4,273,968, (1981 June).

H. Nakajima, M.Ugaji, and H. Suyaman, "Tweeter Using New Structure and New Material for Diaphragm (Direct-Drive Ribbon Tweeter)", J. Audio Eng. Soc., Vol. 29, No. 10 (1981 October).

1983

T. Ohyaba and Y. Suzuki, "Ribbon-Type Loudspeaker", U.S. Patent No. 4,413,160 , (1983 November).

1984

J.M. Winey, "Planar Diaphragm Transducer with Improved Magnetic Circuit", U.S. Patent No. 4,471,172, (1984 September).

J.M. Winey, "Piston-Diaphragm Speaker", U.S. Patent No. 4,471,173, (1984 September).

J.M. Winey, "Diaphragm Type Magnetic Transducer", U.S. Patent No. 4,480,155, (1984 October).

J.A.M. Niewendijk and W.D.A.M. van Gijsel, "Ribbon-Type Electro-Acoustic Transducer with Low Distortion and Improved Sensitivity", U.S. Patent No. 4,484,037, (1984 November).

1985

D. Spangler and M.D. McKenzie, "Modified Strathearn Ribbon Speaker", Speaker Builder, No. 3 (1985).

J.A.M. Niewendijk, W.D.A.M. van Gijsel, and G.B.J. Sanders, "Ribbon-Type Transducer with a Multi-Layer Diaphragm", U.S. Patent No. 4,544,806, (1985 October).

1988

J.A.M. Niewendijk, G.B.J. Sanders, and J.W.T. Bax, "Electrodynamic Transducer of the Isophase or Ribbon Type", U.S. Patent No. 4,723,296, (1988 February).

J.A.M. Niewendijk, "Compact Ribbon Tweeter/Midrange Loudspeaker", J. Audio Eng. Soc., Vol. 36, No. 10 (1988 October).

1989

R.W. Carver and J.J. Croft, "Loudspeaker Diagphragm Mounting System and Method", U.S. Patent No. 4,803,733, (1989 February).

F.B. Thigpen and D.E. Collie, "Electromagnetic Transducer of Improved Efficency", U.S. Patent No. 4,837,838, (1989 June).

1990

G. Bank & J. Wright, "Radiation Impedance Calculations for a Rectangular Piston", J. Audio Eng. Soc., Vol. 38, No. 5 (1990 May).

1991

W.W. Garcia, "Ribbon Loudspeaker", U.S. Patent No. 5,021,613, (1991 June).

1992

D. Graebener, "Building a Twenty Foot Dipole Ribbon Loudspeaker", Speaker Builder , No. 2 (1991).

1993

Ph.D.E. de Haan and B.H.M. Kok, "A High Output Ribbon Type Loudspeaker for Mid- and High-Frequency Reproduction", J. Audio Eng. Soc. Preprint 3595 (E3-4), (1993 March).

1994

P. Baxandall, "Electrostatic loudspeakers", in "Loudspeaker and Headphone Handbook" 2nd Ed., J.Borwick, Ed. (Butterworths, London, 1994).

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.]

C. Stevenson and A.E. Perrazzo, "Planar Electromagnetic Transducer", U.S. Patent No. 5,430,805, (1995 July).

D. Patten, "A Push-Pull Planar Speaker Quest, Part 1", Speaker Builder, No. 8, (1995).

1996

D. Patten, "A Push-Pull Planar Speaker Quest, Part 2", Speaker Builder, No. 4, (1996).

1997

R. Greene, "Product Review - The Newform NHB Speakers", Speaker Builder, No. 8, (1997).

Acoustic Line Source Research - Table of Contents.