Earthquake Sounds chief ingeneer and president, Joseph Sahyoun has a long line of patents. A great deal of these are implemented i Earthquake Sounds products.
Earthquake Europe are giving you full access to read and download the relevant patents:
Acoustic radiator with at baffle of a diameter at least as large as the opening of the speaker enclosure to which it is mounted:
Amplifier with dynamic rail control drive circuit.
Audio radiator with radiator flexure minimization and voice coil elastic anti-wobble members.
Audio speaker damper with electrically conductive paths thereon to carry voice coil signals and a method therefore.
Audio speaker with wobble free voice coil movement:
April 2008
June 2007
June 2007
March 2007
October 2004
September 2004
September 2004
Electromagnetic motor to create a desiredlow frequency vibration or to cancel an undesired low frequency vibration:
Exterior surface of a heat sink:
Loudspeaker low profile quarter wavelength transmission line and enclosure and method:
Low profile audio speaker:
March 2005
January 2004
September 2002
Method and audio speaker with minimization of wobble of the voice coil:
Passive speaker system:
January 2003
September 2003
October 2002
April 2000
Speaker resistance sensing and power limit setting circuit:
Universal audio speaker connection block:
