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[ C ]

Caesar, Marvin

Co-founder and President, Aphex Systems, Ltd.

Capps, Frank L.

*U.S. Patent No. 570,378 , 10/27/1896 (app. 12/20/1895, no model, serial 572,744) SPRING-MOTOR FOR PHONOGRAPHS, &c. (class: 185/37; 185/40L; 188/187) Capps, Frank L. of Newark NJ (assignee: The United States Phonograph Company of Newark, NJ) [DjVu198KB]

Caldwell, Dennis Lloyd

U.S. Patent No. 6,239,655, 05/29/2001 (app. 08/02/1999, serial 365,019) MICROPHONE AMPLIFIER WITH DIGITAL GAIN CONTROL (class: 330/86; 330/282; 381/121, international: H03F 001/36; H03F 021/00) Orozov, Borislav Lubenov of Meridian, MS and Caldwell, Dennis Lloyd of Meridian, MS and Hand, Larry Eugene of Meridian, MS and Stuckman, Thomas Richard of Meridian, MS (assignee: Peavey Electronics Corporation of Meridian, MS) [Pt-Txt30KB] [DjVu*73KB]

Carlson, David E.

E-V alumni.

Carlton, David

Patents:
U.S. Patent No. D409,614 , 5/11/1999 (app: 7/16/1998, serial: 90,803) RADIO HEADSET (class: D14/192; D14/205, international: 1401/ ) Carlton, David of Poway, CA (assignee: American Technology Corporation of San Diego, CA) [PtTxt5KB] [DjVu*43KB]

Chatham, N. J.

*U.S. Patent No. 1,967,223 , 07/24/1934 (app. 01/06/1933) VIBRATION TRANSMITTING DEVICE (class: 181/173; 381/386) Bostwick, Lee G. and Chatham, N. J. (assignee: Bell Telephone Laboratories, Inc.) [abstract] [DjVu187KB]

Cho, Masanobu

Patents:
*U.S. Patent No. 3,679,843 , 07/25/1972 (app: 01/04/1971 - serial: 103,438) MOVING COIL TYPE PHONOGRAPH PICKUP CARTRIDGE (class: 369/146; 369/172 - international: H04r 9/16) Cho, Masanobu of Tokyo, Japan (assignee: Micro Seiki Co., Ltd. of Tokyo, Japan) [DjVu103KB]

Cizek, Fred R.

U.S. Patent No. 4,198,540 , 04/15/1980 Compensated crossover network Cizek, Fred R. (assignee Cizek Audio Systems, Inc.) [abstract] [DjVu93KB]

Clair, Gene

Clair Brothers Audio Systems, Inc.

Clair, Roy

Clair Brothers Audio Systems, Inc.

Clemans, Jimmy L.

E-V Alumni.

Coffeen, Robert

Retired

Collingswood, N. J.

*U.S. Patent No. 1,988,250 , 01/15/1935 (app. 02/17/1934) LOUD SPEAKER AND METHOD OF PROPAGATING SOUND (class: 381/184; 181/147; 181/163; 381/89) Olson, Harry F. and Collingswood, N. J. (assignee: Radio Corporation of America) [abstract] [DjVu89KB]

Combest, Christopher E.

CEO Multi Service Corporation and founder of Induction Dynamics

U.S. Patent No. 5,568,560, 10/22/1996 (app. 05/11/1995) Audio crossover circuit (class: 381/99; 381/98) Combest; Christopher E. (assignee Multi Service Corporation) [abstract] [DjVu104KB]

U.S. Patent No. 5,937,072, 08/10/1999 (app. 03/03/1997) Audio crossover circuit (class: 381/99; 381/98) Combest, Christopher E. (assignee Multi Service Corporation) [abstract] [DjVu92KB]

Conrad, Frank

c1928 - Engineer, Westinghouse Electric - Pittsburgh, PA

*U.S. Patent No. 1,693,401 , 11/27/1928 Telephone Circuits and apparatus Nyman, Alexander and Conrad, Frank (assignee Westinghouse Electric and Manufacturing Company) [abstract] [DjVu77KB]

Conrad, Terry J.

Currently: American Technology Corporation, Sr. Vice President Engineering/Sr. Vice President Military Operations

Patents:
 

Cornwell; David G.

U.S. Patent No. 4,594,561, 06/10/1986 (app. 10/26/1984, serial 665,049) AUDIO AMPLIFIER WITH RESISTIVE DAMPING FOR MINIMIZING TIME DISPLACEMENT DISTORTION (class: 330/297; 330/149 - international: H03F 001/30) Grodinsky, Robert M. of Skokie, IL and Cornwell, David G. of Chicago, IL [Pt-Txt33KB] [DjVu111KB]

U.S. Patent No. 4,597,100, 06/24/1986 Ultra high resolution loudspeaker system Grodinsky; Robert M. and Cornwell; David G. (assignee RG Dynamics, Inc.) [abstract] [DjVu149KB]

U.S. Patent No. 5,070,530, 12/03/1991 (app. 03/25/1988, serial  173,435) ELECTROACOUSTIC TRANSDUCERS WITH INCREASED MAGNETIC STABILITY FOR DISTORTION REDUCTION (class: 381/422; 381/412; 381/421 - international: H04R 025/00) Grodinsky, Robert of Skokie, IL and Cornwell, David G. of Chicago, IL [Pt-Txt35KB] [DjVu123KB]

U.S. Patent No. 5,357,587, 10/18/1994 (app. 12/23/1992, serial 995,833) DISTORTION REDUCTION IN LOUDSPEAKERS (class: 381/414 - international: H04R 025/00) Grodinsky, Robert M. of Skokie, IL and Cornwell, David G. of Chicago, IL [Pt-Txt31KB] [DjVu146KB]

U.S. Patent No. 5,386,474, 01/31/1995 (app. 08/17/1993, serial 108,092) AMPLIFIER-SPEAKER INTERFACE CORRECTION CIRCUIT (class: 381/28; 381/93; 381/94.9; 381/300 - international: H04R 025/00) Grodinsky, Robert M. of Skokie, IL and Cornwell, David G. of Chicago, IL [Pt-Txt23KB] [DjVu109KB]

U.S. Patent No. 5,982,905, 11/09/1999 (app. 01/22/1997, serial 787,122) DISTORTION REDUCTION IN SIGNAL PROCESSORS (class: 381/94.1; 381/394 - international: H04B 015/00) Grodinsky, Robert M. of Skokie, IL and Cornwell, David G. of Chicago, IL [Pt-Txt82KB] [DjVu215KB]

Cousino, Bernard

The owner of an Audio Visual equipment and service company called Cousino Electronics, became interested in endless sound recordings. Cousino invented and patented the use of a "double coated" tape, treated on the back with colloidal graphite, which not only lubricated the tape in the pack but conducted away static.

Morton, David: A History of The Eight Track Tape

Cox, Trevor J.

School of Acoustics and Electronic Engineering, University of Salford, Salford, M5 4WT, UK.

Trevor J. Cox and Peter D’Antonio: Determining Optimum Room Dimensions for Critical Listening Environments: A New Methodology
Choosing an appropriately proportioned room may reduce the audible effects of modes. This paper details a new methodology for determining the room dimensions for small critical listening spaces.

Crampton, Richard W.

Founder: Sonic Services, Inc. - Louisville, Ky.

Chriswell, Francis M.

*U.S. Patent No. 470,477 , 03/08/1892 (app. 06/16/1891, no model, serial 396,517) PHONOGRAPH. (class: 369/214) Chriswell, Francis M. of Washington, D.C. and Chriswell, James A. E. of Brooklyn, NY (assignee: James A. E. Chriswell to Francis M. Chriswell) [DjVu149KB]

Chriswell, James A. E.

*U.S. Patent No. 470,477 , 03/08/1892 (app. 06/16/1891, no model, serial 396,517) PHONOGRAPH. (class: 369/214) Chriswell, Francis M. of Washington, D.C. and Chriswell, James A. E. of Brooklyn, NY (assignee: James A. E. Chriswell to Francis M. Chriswell) [DjVu149KB]

Croft, III, James J.

Currently: American Technology Corporation, Chief Technology Officer

Patents:
 

Cullison, Steven B.

Patents:
 

[ D ] top

D’Antonio, Peter Ph.D

Founder, RPG Diffusor Systems

RPG Diffusor Systems: Founder’s Biography

RPG Diffusor Systems: Peter D’Antonio Bibliography

Trevor J. Cox and Peter D’Antonio: Determining Optimum Room Dimensions for Critical Listening Environments: A New Methodology
Choosing an appropriately proportioned room may reduce the audible effects of modes. This paper details a new methodology for determining the room dimensions for small critical listening spaces.

Davis, Arthur C.

* U.S. Patent No. 3,624,298, 11/30/1971: Sound Improving Means and Method Davis, Arthur C.; Davis, Donald B.; Noble, James J. Assignee: LTV Ling Altec, Inc. [ abstract ]
[ DjVu 256 KB ]

Davis, Charles C.

Patents:
*U.S. Patent No. 3,142,729 , 17/28/1964 (app. 12/10/1957 - serial: 701,872) PHONOGRAPH REPRODUCER (class: 369/139; 369/170) Davis, Charles C. of Los Angeles, CA (assignee: Litton Systems, Inc. of Maryland) [DjVu130KB]

Davis, Donald B.
Davis, Carolyn

Retired - Founders: Syn-Aud-Con

Davis, Mark F.

dbx alumni.

Dick, Charles J. A.

*U.S. Patent No. 222,292 , 12/02/1879 (app. 08/02/1879) IMPROVEMENT IN SHOCK OR JAR RECORDERS. (class: 346/7; 346/49; 346/126) Luders, Thomas L. (assignee: one-half of his right to Charles J. A. Dick, of Lee, England) [abstract] [DjVu83KB]

Dickinson, Charles

*U.S. Patent No. 562,694 , 06/23/1896 (app. 11/20/1895, no model, serial 569,551) GRAPHOPHONE OR DEVICE FOR REPRODUCING SOUNDS FROM SOUND-WRITINGS. (class: 369/162) Amet, Edward H. of Waukegan, IL (assignee: Assignor of one-half to Dickinson, Charles of Chicago, IL) [DjVu100KB]

Dorwaldt, Carl

Currently: Renkus-Heinz, Manager EASE Support

Douglass, Leon F.

*U.S. Patent No. 475,490 , 05/24/1892 (app. 03/17/1892, no model, serial 425,259) METHOD OF AND MEANS FOR DUPLICATING OR TRANSFERRING PHONOGRAPHIC RECORDS. (class: 369/84) Douglass, Leon F. of Washington, D.C. (assignee: Easton, Edward D. of Washington, D.C.) [DjVu91KB]

Driskill, Larry

Ivie Technologies

Duckett, Greg

Director of Research & Development Engineering - Rane Corp.

IVL Technologies - Developed OEM vocal processing technologies for DOD, dbx & others.

Ducoff, Duke

Altec Lansing Professional (ed. 08/03/02)

Dugan, Dan

Currently: Dan Dugan Sound Design, Owner

Patents:
 

Durbin, Howard

Retired

An engineer from RCA who later got into marketing, arrived at Electro-Voice, c1948, right as E-V was growing after WWII.

Durr, Steven

DURRELL, LLC
President

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