Please Support Our Sponsors


Personal Sponsors

Richard Crampton

Dan Dugan

 

Corporate Sponsors

Altec Lansing
Professional

 

Audio-Technica
U.S.A.

 

BAi
(Boner Associates, Inc.)
 

Biamp Systems

 

Community

 

CROWN Audio
Inc.

 

dbx Professional
Products

 

Dickensheets Design Associates, Inc.
 

DURRELL, LLC

 

Electro-Voice
 

Elkay Industries, Inc.
 

H.O.M.E., Inc.
 

Induction Dynamics
 

Ivie Technologies, Inc.
 

JBL Professional

Lizardtech
Software

 

LynTec, Inc.
 

Mackenzie Laboratories, Inc.
 

Production Intercom, Inc.

ProSoundWeb
 

QSC Audio

 

Rane Corporation

 

Renkus-Heinz

 

Stiernberg
Consulting

 

Welcome to AudioAnnals.Com
A commercially sponsored portal for the History of Audio Technology.

   Audio Time Line

This page is a work in progress. Please visit often as updates are made almost daily.

1878

Edison Patents his Phonograph. [abstract] [DjVu178KB]

1894

Emile Berliner introduces the disk record in November.

1897

Emile Berliner trademarks the name, Gramophone and the Nipper logo (the dog, Nipper listening to a Gramophone).

1900

His Master�s Voice slogan adopted.

Eldridge R. Johnson founds the Consolidated Talking Machine Company which became the Victor Talking Machine Company in 1901. [edisonng.org]

Boston Symphony Hall opens October, 15 1900. [bso.org]

1925

Sidney Shure founds Shure Radio Co. that becomes Shure Incorporated

1927

Al Kahn and Lou Burroughs found Electro-Voice

Frederick Kolster and Sigurd Sollie patent a free edge cone loudspeaker [abstract] [DjVu119KB]

1928

Alexander Nyman and Frank Conrad patent circuit to tame resonance in transducers [abstract] [DjVu77KB]

1929

 

1930

 

1931

Benjamin Miessner patents loudspeaker and circuit to reduce hum from vacuum tubes [abstract] [DjVu156KB]

1932

Frederick Kolster patents a loudspeaker with multiple voice coils [abstract] [DjVu88KB]

1933

Lee Bostwick patents a coaxial loudspeaker [abstract] [DjVu286KB]

Alexander Nicolson patents a distributed sound system [abstract] [DjVu113KB]

1935

Harry Olson patents a loudspeaker with dual coils and improved materials [abstract] [DjVu182KB]

 

1937

John Minton and Abraham Ringel patent a crossover filter system for loudspeakers [abstract] [DjVu112KB]

1938

Rudalph Bierwirth patents an audio amplifier with tone control [abstract] [DjVu88KB]

1939

Juilus Weinberger patents band width and tone control circuits for hi-fidelity radio receivers [abstract] [DjVu103KB]

1946

Paul Klipsch founds Klipsch and Associates

1952

Paul Klipsch patents a high performance, low cost crossover network [abstract] [DjVu111KB]

1953

Gifford White founds White Instruments Laboratories

1954

Lou Mackenzie founds Mackenzie Laboratories

1955

Julius Lokkesmoe patents a loudspeaker with auxiliary coil to improve low and high-frequency response [abstract] [DjVu58KB]

1965

Hartley D. Peavey founds Peavey Electronics Corporation

1969

Dr. C.P. Boner patents an impedance correcting network [abstract] [DjVu72KB]

1971

Arthur & Don Davis and James Noble patents a Room Equalization Process [abstract] [DjVu256 KB]

Jack Sacks patents test signal for spectral analysis of room/sound system [abstract] [DjVu207KB]

1972

Dave Blackmer patents circuit for dbx noise reduction system [abstract] [DjVu110KB]

1973

Dave Blackmer patents multiplier circuits [abstract] [DjVu82KB]

1973

Edward Haynes patents a crossover circuit with built-in frequency-impedance stability [abstract] [DjVu108KB]

1975

George Thurmond and Harro Heinz patent active feedback elimination system [abstract] [DjVu216KB]

1978

Arthur Yeap patents an active analyzer/equalizer [abstract] [DjVu77KB]

1979

Dr. C. Paul Boner dies in Austin, Texas

Harvey Rubens and David Baskind patent a voltage controlled attenuator [abstract] [DjVu153KB]

1980

Paul Buff patents voltage controlled amplifier [abstract] [DjVu102KB]

Gary Bergstrom a signal correction circuit for electrical gain control systems [abstract] [DjVu198KB]

Fred Cizek patents a compensated crossover network [abstract] [DjVu93KB]

1981

Rane Corp. founded by Linda Arink, Rick Bernard, Dennis Bohn, Steve Brakken and Larry Winter.

1982

Robert Adams patents a gain control system [abstract] [DjVu126KB]

Paul Buff patents an electronic gain control device [abstract] [DjVu143KB]

Steven Eberbach patents a crossover network circuit that can be adjusted for variations in production loudspeakers [abstract] [DjVu130KB]

1983

Dave Blackmer patents gain control systems [abstract] [DjVu179KB]

Steven Eberbach patents a crossover network with delay [abstract] [DjVu179KB]

1984

David Welland patents a multiplier circuit [abstract] [DjVu100KB]

John Strohbeen patents a circuit for extending and smoothing the base response of a loudspeaker [abstract] [DjVu73KB]

1985

Douglas Frey patents a monolithic voltage controlled element [abstract] [DjVu220KB]

1986

Lahroy White patents a loudspeaker system utilizing an equalizer circuit [abstract] [DjVu83KB]

Robert Grodinsky and David Cornwell patent a loudspeaker system with RF/EMF suppression [abstract] [DjVu149KB]

1987

 

1988

 

1989

Douglas Frey patents a dynamically biased voltage controlled element [abstract] [DjVu233KB]

William Lobb patents an acoustic sound system especially suitable for two-way conversations [abstract] [DjVu 97 KB]

1990

 

1991

 

1992

Harvey Rubens patents analog multipliers [abstract] [DjVu378KB]

1993

 

1994

 

1995

Donn Werrbach patents a reflected plate amplifier [abstract] [DjVu118KB]

1996

 

1997

Gary Herbert patents a compensating circuit for mismatches in temperature dependent IC components [abstract] [DjVu288KB]

 

 

2002

Paul Klipsch passes May 5 at age 98

 

[Home] [Using This Site] [Time Line] [Biography] [Patents] [Companies] [Products] [Acoustics] [Forums] [Links] [Sponsorship]

E-mail: Emory Straus, Editor & Webmaster
 

QR code scanner| SME IT| system integration| inventory management system| label printing| Kiosk| Voice Picking| POS scanner| POS printer| System Integrator| printing labels| Denso| barcode| handheld| inventory management| warehouse management| stock taking| POS| Point of sale| Business service| Web Development| app development| mobile app development| handheld device| inventory management software| pos system| pos software| pos hardware| pos terminal| printer hong kong| receipt printer| thermal printer| thermal label printer| qr code scanner app| qr scanner app| online qr code scanner| qr code scanner online mobile| qr code scanner download| mobile solutions| mdm solutions| mobile device management|

edm| email marketing| direct marketing| email marketing software| email marketing service| email marketing tools| email mkt| remarketing| edm| edm marketing| email subscription| website subscription| email survey| email whitelist| sign up form| email subject line| subject line| email subject| best email subject lines| free email marketing| Mailchimp| Hubspot| Sendinblue| ActiveCampaign| Aweber| Maichimp| benchmark| SMS|

Tomtop| Online Einkaufen| online shop| Autozubehör| Bekleidung| Kopfhörer| badausstattung| Badmöbel| smartwatch günstig| Luftbefeuchter| lichtbox| Kosmetiktaschen| Make-Up Pinsel| Smartphones günstig| tablet günstig| Wanderstock| fahrrad maske| spielekonsole| spielkonsole| Geldbeutel| Gaming Kopfhörer|

electric bike| best electric bike| electric bikes for adults| e bike| pedal assist bike| electric bikes for sale| electric bike shop| electric tricycle| folding electric bike| mid drive electric bike| electric trike| electric mountain bike| electric bicycle| electric bike review| electric fat bike| fat tire electric bike| women's electric bike |

office| Property Agent| Hong Kong Office Rental| hong kong office| office building| Commercial Building| Grade A Office| leasing| Rent Office| office for sale|

school| international school of hong kong| international school| school in Hong Kong| primary school| elementary school| private school| UK school| british school| extracurricular activity| Hong Kong education| primary education| top schools in Hong Kong| Preparatory| best international schools hong kong| best primary schools in hong kong| primary school hong kong| private school hong kong| british international school| extra curriculums| school calendars| boarding school| school day| Bursary|

electric bike| Best smartwatch| Best Wilreless earphones|