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[ A ]

Adams, Robert W.

Analog Devices

Designed the dbx 2001 Class A voltage controlled amplifier.

THAT Corp: A Brief History of VCA Development

U.S. Patent No. 4,331,931, 05/25/1982: Gain control systems Adams, Robert W. (assignee dbx, Inc.) [ abstract ] [ DjVu 126 KB ]

Albert, James Robert

U.S. Patent No. 5,668,499, 09/16/1997 (app. 01/16/1996, serial 586,596) TUBE TYPE POWER AMPLIFIER WITH DISTORTION CONTROL (class: 330/118; 330/136; 330/145; 330/149, international: H03F 003/28; H23G 003/22) Albert, James Robert of Meridian, MS and Sondermeyer; Jack C. of Meridian, MS (assignee: Peavey Electronics Corporation of Meridian, MS) [Pt-Txt20KB] [DjVu91KB]

Alexanderson, Ernst F. W.

Patents:
ed 02/28/2003: First push-pull amplifier
*U.S. Patent No. 1,173,079 , 02/22/1916 (app. 10/29/1913, serial 797,998) SELECTIVE TUNING SYSTEM (class: 455/291; 313/298; 329/349; 455/307) Alexanderson, Ernst F. W. of Schenectady, NY (assignee: General Electric Company of New York) [DjVu225KB] [Comments]

Resources:
James E. Brittain: Alexanderson - Pioneer in American Electrical Engineering - Johns Hopkins Press 1992

Amet, Edward II.

*U.S. Patent No. 462,228, 11/03/1891 (app. 01/28/1891, no model, serial 379,356) SPEED-REGULATOR FOR MOTORS. (class: 188/185) Amet, Edward II. [DjVu63KB]

*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]

Andrews, Barry

QSC Audio Products, Inc. - CEO

Arden, David

*U.S. Patent No. 3,059,719 , 10/23/1962 (app. 11/17/1958) SPEAKER ENCLOSURE (class: 181/199) Arden, David [abstract] [DjVu69KB]

*U.S. Patent No. 3,329,236 , 07/04/1967 (app. 06/03/1966) SPEAKER ENCLOSURE (class: 181/199; 52/288.1) Arden, David [abstract] [DjVu61KB]

Arink, Linda

Rane Corporation

One of the five original founders.

Arnold, William S.

*U.S. Patent No. 428,750 , 05/27/1890 (app. 12/18/1889, no model, serial 334,196) COIN-ACTUATED ATTACHMENT FOR PHONOGRAPHS. (class: 194/244; 369/24.01) Glass, Louis and Arnold, William S. (assignee: R.W. Smith) [DjVu276KB]

Augspurger, George

Perception, Inc.

Avera, Donald Keith

U.S. Patent No. 6,064,745, 05/16/2000 (app. 06/04/1998, serial 089,938) COMPRESSION DRIVER PHASE PLUG (class: 381/343; 181/152; 181/159; 381/340, international: H04R 025/00) Avera, Donald Keith of Toomsuba, MS (assignee: Peavey Electronics Corporation of Meridian, MI) [Pt-Txt33KB] [DjVu*121KB]

Aylward, Joseph R.

dbx alumni.

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Bachman, William S.

Patents:
*U.S. Patent No. 2,511,663 , 06/13/1950 (app: 12/29/1945 - serial: 638,378) MAGNETIC PHONOGRAPH PICKUP (class: 369/149; 310/25; 336/135; 369/170) Bachman, William S. of Southport, CT (assignee: General Electric Company of New York) [DjVu191KB]

Baldwin, Nathaniel

Bank, Jeevan

Patents:
U.S. Patent No. 6,108,427 , 8/22/2000 (app: 6/4/1997, serial: 868,739) METHOD AND APPARATUS FOR ELIMINATING AUDIO FEEDBACK (class: 381/83; 381/77; 381/93, international: H04R 027/00) Norris, Elwood G. of Poway, CA and Bank, Jeevan of San Diego, CA (assignee: American Technology Corporation (DE))) [PtTxt33KB] [DjVu*78KB]

Bartels, Volker

Currently: Sennheiser electric - President

Baskind, David L.

VCA Associates

THAT Corp: A Brief History of VCA Development

U.S. Patent No. 4,155,047, 05/15/1979: Voltage controlled attenuator Rubens, Harvey A. and Baskind, David L. [ abstract ] [ DjVu 153 KB ]

Bedford, Burnice D.

Patents:
*U.S. Patent No. 1,874,159 , 08/30/1932 (app. 09/26/1930, serial 484,627) ELECTRIC AMPLIFYING CIRCUITS (class: 330/10; 330/122; 330/147; 330/207A; 363/121) Bedford, Burnice D. of Schenectady, NY (assignee: General Electric Company, Inc. of New York) [DjVu136KB] [Comments]

Bell, Alexander G.

Bell, Chichester A.

*U.S. Patent No. 341,214 , 05/04/1886 (app. 06/27/1885, no model) RECORDING AND REPRODUCING SPEECH AND OTHER SOUNDS. (class: 369/155; 29/DIG104; 82/1.12; 181/21; 181/162; 181/167) Bell, Chichester A. and Tainter, Sumner [abstract] [DjVu304KB]

Bergstrom, Gary

dbx Engineer: Developed the second generation of the Gain Cell (VCA).

THAT Corp: A Brief History of VCA Development

U.S. Patent No. 4,234,804, 11/18/1980: Signal correction for electrical gain control systems Bergstrom, Gary (assignee dbx, Inc.) [ abstract ] [ DjVu 198 KB ]

Bernard, Rick

Rane Corporation

One of the five original founders.

Bettini, Gianni

*U.S. Patent No. 409,003 , 08/13/1889 (app. 04/11/1889, no model, serial 306,812) METHOD OF RECORDING AND REPRODUCING SOUNDS. (class: 369/165) Bettini, Gianni [DjVu102KB]

*U.S. Patent No. 488,381 , 12/20/1892 (app. 03/14/1892, no model, serial 424,815) PHONOGRAPH. (class: 82/11.1; 369/161; 369/166; 369/168) Bettini, Gianni of New York, NY [DjVu70KB]

Bierwirth, Rudalph A.

c1938 RCA

*U.S. Patent No. 2,113,393 , 04/05/1938 Audio Frequency Amplifier Bierwirth, Rudalph A. (assignee Radio Corporation of America) [abstract] [DjVu88KB]

Bilhuber, Paul H.

*U.S. Patent No. 2,121,008 , 06/21/1938 (app. 07/16/1936) ACOUSTIC TRANSLATING DEVICE (class: 181/31) Bilhuber, Paul H. [abstract] [DjVu106KB]

Bird, Robert J.

U.S. Patent No. 3,987,342, 10/19/1976 (app. 11/24/1975, serial 634,789) PROTECTIVE CIRCUIT UTILIZING MULTILEVEL POWER SUPPLY OUTPUT (class: 361/106; 307/86; 330/207P; 330/289; 330/298; 361/75, international: H02H 007/20; H02H 005/04) Bird, Robert J. of Citrus Heights, CA and Rumbaugh, Paul S. of Santa Ana, CA (assignee: Altec Corporation of Anaheim, CA) [Pt-Txt30KB] [DjVu*95KB]

Black, Harold S.
April 14, 1898 - December, 11 1983

Image from National Inventors Hall of Fame http://www.invent.org/

Patents:
*U.S. Patent No. 2,102,671 , 12/21/1937 (app. 04/22/1929, serial 606,871) WAVE TRANSLATION SYSTEM (class: 330/57; 84/DIG10; 324/123C; 330/76; 330/77; 330/87; 330/92; 330/100; 330/102; 330/106; 330/107; 330/108; 330/110; 330/111; 330/112; 333/18) Black, Harold S. of Westfield, N.J. (assignee: Bell Telephone Laboratories, Inc. of New York, N.Y.) [[87 pages] [DjVu* Drawings 609KB] [DjVu* Text 908KB]] [Comments]

Resources:
Black, Harold S.: Modulation Theory - 1953 Van Nostrand, New York

Brittain, James E.: Scanning the Past: Harold S. Black and the Negative Feedback Amplifier Proceedings of the IEEE, Vol.85 No.8, August 1997.

Colloms, Martin: A Future Without Feedback? - Stereophile - January, 1998
http://www.stereophile.com/showarchives.cgi?70

Worcester Polytechnic Institute - A Century of High-Voltage Personalities
http://www.wpi.edu/Academics/Library/Archives/Pubs/ECE/personalities.html#black
The original thoughts for Black’s Patent No. 2,102,671 were sketched on a New York Times newspaper. http://www.wpi.edu/Academics/Library/Archives/Pubs/ECE/Images/16.gif

Atherton, W.A.: Pioneers: Harold S. Black - Electronics World, Feb. 1989, p194
“According to a contemporary, the work of Harold S Black "had all the initial impact of a blow with a wet noodle". The man was wrong. Negative feedback turned out to be a profound and enduring concept.”

Awards:
1954 - Audio Engineering Society Honorary Member

1957 - IEEE Lamme Medal Recipient
HAROLD S. BLACK - AT&T Bell Labs., Murray Hill, NJ
'For his many outstanding contributions to telecommunication and allied electronic arts, especially the invention of the negative feedback amplifier and the successful development and application of the negative feedback amplification principle.'

1959 - Audio Engineering Society John H. Potts Award

1981 - Robert H. Goddard Alumni Award for Outstanding Professional Achievement
Worcester Polytechnic Institute

1981 - National Inventors Hall of Fame Inductee
http://www.invent.org/hall_of_fame/16.html

2001 - New Jersey Inventors Hall of Fame Inductee
http://www.njinvent.njit.edu/2001/inductees_2001/black.html

Blackmer, David E.
1927 - March 21, 2002
Thank you Stereophile Magazine for the photograph

Founder dbx in 1971
Founder Earthworks Audio Products

Patents:
*U.S. Patent No. 3,681,618 , 08/01/1972 RMS Circuits with Bipolar Logarithmic Converter Blackmer, David E., [ abstract ] [ DjVu 110 KB ]

U.S. Patent No. 3,714,462, 01/30/1973: Multiplier Circuits Blackmer, David E. [ abstract ]
[ DjVu 82 KB ]

U.S. Patent No. 4,403,199 , 09/06/1983: Gain control systems Blackmer, David E. (assignee dbx, Inc.) [ abstract ] [ DjVu 179 KB ]

Resources:
THAT Corp: A Brief History of VCA Development

Blackmer, Eric

Earthworks Audio Products, CEO

Blakely, Lawrence E.

dbx alumni

Bohn, Dennis

Rane Corporation

One of the five original founders.

Boner, C. Paul Ph.D

Boner, Charles R.

President, BAi, Austin, TX

Patents:
 

Papers:
Journal of the Audio Engineering Society:

A Procedure for Controlling Room-Ring Modes and Feedback Modes in Sound Systems with Narrow-Band Filters
Vol. 13, Number 4 pp. 297 (1965)
C. P. Boner and C. R. Boner

Equalization of the Sound System in the Harris County Domed Stadium
Vol. 14, Number 2 pp. 105 (1966)
C. P. Boner and C. R. Boner

Behavior of Sound System Response Immediately Below Feedback
Vol. 14, Number 3 pp. 200 (1966)
C. P. Boner and C. R. Boner

Some Examples of Sound-System Correction of Acoustically-Difficult Rooms
Vol. 15, Number 2 pp. 214 (1967)
C. R. Boner

Problems of Sound Reinforcement in Large Halls
Vol. 19, Number 2 pp. 138 (1971)
C. P. Boner and C. R. Boner

The Equalization and Subsequent Observation of the Sound System in the Marriott Center at Brigham Young University
Vol. 23, Number 5 pp. 386 (1975)
Charles R. Boner and Edward S. Jones

Boner, Richard E.

Vice President, BAi, Austin, TX

Patents:
 

Papers:
Journal of the Audio Engineering Society:

The Gain of a Sound System
Vol. 17, Number 2 pp. 147 (1969)
C. P. Boner and R. E. Boner

Bostwick, Lee G.

c1929 - Bell Telephone Labs

* U.S. Patent No. 1,907,723, 05/09/1933 Sound Reproducing Device Bostwick, Lee G. (assignee Bell Telephone Laboratories) [abstract] [DjVu286KB]

*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]

Bottorff, Charles A.

*U.S. Patent No. 1,748,407 , 02/25/1930 (app. 07/18/1927) Loud-Speaker Unit (class: 335/231; 335/274; 381/417) Bottorff, Charles A. (assignee: Trimm Radio Manufacturing Co.) [abstract] [DjVu172KB]

Boudouris, Angelo

*U.S. Patent No. 2,718,931 , 09/27/1955 (app. 11/28/1952) LOUD SPEAKER FOR OUTDOOR THEATERS (class: 181/31) Boudouris, Angelo [abstract] [DjVu66KB]

Bradley, Milton

*U.S. Patent No. 225,457, 03/16/1880 (app. 02/02/1878) PROCESS OF ENGRAVING PRINTING-SURFACES. (class: 409/84; 101/401.1) Bradley, Milton [abstract] [DjVu90KB]

Brakham, Andrew

Currently: Sennheiser U.S.A. - (President 1985-1998)

Alumni: AKG Acoustics

Brakken, Steve

Rane Corporation

One of the five original founders.

Brassell, William E.

Employed by John Herbert Orr after World War II.

Auburn University Archives and Manuscripts Department: Electrical Engineering Oral History Interviews, Part of RG 755

Bremseth, Gerald B.

Patents:
U.S. Patent No. D249,941 , 10/17/1978 (app: 09/17/1976 - serial: 725,089) LOUDSPEAKER (class: D14/204 - international: D1401/) Bremseth, Gerald B. of Oklahoma City, OK (assignee: Altec Corporation of Anaheim, CA) [PtTxt5KB] [DjVu*75KB]

Bright, Richard L.

Patents:
*U.S. Patent No. 2,821,639 , 01/28/1958 (app. 10/28/1954, serial 465,322) TRANSISTOR SWITCHING CIRCUITS (class: 327/423; 318/294; 327/484; 327/576; 327/588; 330/263; 331/113A; 361/245; 363/63) Bright, Richard L. of Hempfield Township, PA and Royer, George H. of Pittsburgh, PA (assignee: Westinghouse Electric Corporation of East Pittsburgh, PA) [DjVu119KB] [Comments]

Broich, Joseph

*U.S. Patent No. 532,718, 01/15/1895 (app. 12/13/1893, no model, serial 493,517) PHONOGRAPH. (class: 188/186) Broich, Joseph of Brooklyn, NY (assignee: Pearce, Frederick of New York, NY) [DjVu202KB]

Brown, James W., Sr.

U.S. Patent No. 5,619,578, 04/08/1997 (app. 09/02/1994, serial 299,104) MULTI-STAGE SOLID STATE AMPLIFIER THAT EMULATES TUBE DISTORTION (class: 381/61; 381/62, international: H03G 003/00) Sondermeyer, Jack C. of Vienna, MS and Brown, Sr., James W. of Meridian, MS (assignee: Peavey Electronics Corporation of Meridian, MS) [Pt-Txt40KB] [DjVu143KB]

U.S. Patent No. 5,647,004, 07/08/1997 (app. 01/10/1994, serial 179,546) MULTI-STAGE SOLID STATE AMPLIFIER THAT EMULATES TUBE DISTORTION (class: 381/61; 381/62, international: H03G 003/00) Sondermeyer; Jack C. of Meridian, MS and Brown, Sr.; James W. of Meridian, MS (assignee: Peavey Electronics Corporation of Meridian, MS) [Pt-Txt33KB] [DjVu125KB]

U.S. Patent No. 5,675,656, 10/07/1997 (app. 07/15/1996, serial 668,501) POWER AMPLIFIER WITH CLIPPING LEVEL CONTROL (class: 381/61; 84/737; 84/738; 84/740; 381/63; 381/100, international: H03G 003/00) Sondermeyer, Jack C. of Meridian, MS and Brown, Sr., James W. of Meridian, MS (assignee: Peavey Electronics Corporation of Meridian, MS) [Pt-Txt50KB] [DjVu266KB]

U.S. Patent No. 6,101,261, 08/08/2000 (app. 06/17/1998, serial 098,438) VARIABLE TILT LOUD SPEAKER ENCLOSURE (class: 381/386; 181/199; 381/86; 381/387, international: H04R 025/00) Brown, James W., Sr. of Meridian, MS (assignee: Peavey Electronics Corporation of Meridian, MS) [Pt-Txt30KB] [DjVu*78KB]

Brown, Pat
Brown, Linda

Syn-Aud-Con

Brunvoll, Karl

Currently: Renkus-Heinz, Vice President of Sales

Bryson, Michael

E-V alumni.

Bschorr, Oskar

Patents:
U.S. Patent No. 6,016,351 , 1/18/2000 (app: 7/16/1997, serial: 895,486) DIRECTED RADIATOR WITH MODULATED ULTRASONIC SOUND (class: 381/77, international: H04B 003/00) Raida, Hans-Joachim of Cologne, DE and Bschorr, Oskar of Munich, DE (assignee: American Technology Corporation of Poway, CA) [PtTxt28KB] [DjVu*68KB]

Buff, Paul Conrad

Founder: Allison Research which later became Valley People. Currently, Paul C. Buff, Inc., manufacturer of White Lightning studio lighting equipment.

Burroughs, Lou

Co-founder Electro-Voice (along with Al Kahn).

Button, Douglas J.

E-V alumni.

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