U.S. Philips Corporation

Philips Electronics North America Corporation

Guido O D'Hoogh

Joris A Nieuwendijk

Gerrit F De Poortere

Achiel E Verheyen

Martinus P Van De Thillart

A loudspeaker system is physically integrated with a monitor. The monitor has a CRT. The loudspeaker system comprises an electro-acoustic transducer, a passive radiator and a tube mounted in between. The tube has a circular cross-section. The tube has an axis that is in parallel with a plane of the CRT's shadow mask.

Monitor has tubular loudspeaker reducing CRT's mask vibrations

A passive radiator comprising a chassis, a mass element suspended within the chassis, and a suspension means for flexibly suspending the mass element from the chassis. In order to obtain a large amplitude of the mass element, a sub-chassis extends between the chassis and the mass element, first flexible connecting elements connecting the mass element to the sub-chassis, and second flexible connecting elements connecting the sub-chassis to the chassis.

Passive radiator and system comprising the passive radiator

An electrodynamic loudspeaker comprising a chassis, a diaphragm, and an actuator. The diaphragm is disposed within the chassis and has a front part and a back part. The actuator comprises a first actuator part connected to the diaphragm and a second actuator part connected to the chassis to cooperate with the first actuator part via an air gap. In order to obtain a large amplitude of the diaphragm a sub-chassis extends between the chassis and the diaphragm, a first flexible connecting element connecting the diaphragm to the sub-chassis, and a second flexible connecting element connecting the sub-chassis to the chassis.

Electrodynamic loudspeaker and system comprising the loudspeaker

A sound-reproducing apparatus comprises an acoustic horn which terminates in an opening in the wall of the apparatus. An obstacle is arranged in the acoustic duct of the horn, which provides a better frequency response.

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Dendermonde, Belgium

Guido O D'Hoogh