Abstract: The present invention sets out to solve the problems above by presenting a dual-mode speaker system for acoustic reproduction. The dual-mode speaker system for acoustic reproduction presents a system with high-energy conversion efficiency and provides flexibility between an active speaker driver and other radiators, improved sound quality, a larger range of low frequency sounds, and the capability to improve audio frequency playback range in small-scale audio environments. A dual-mode acoustic radiator speaker system is provided having an enclosure with a plurality of openings, an active speaker driver having a first motor assembly and a dual-mode radiator having a second motor assembly. In some embodiments, the dual-mode acoustic radiator speaker system further comprises one or more passive radiators adjoined to the enclosure. Next, within the dual-mode acoustic radiator speaker system a power supply is connected to the electronic signal processing and amplification system.

Abstract: The present invention sets out to solve the problems above by presenting a dual-mode speaker system for acoustic reproduction. The dual-mode speaker system for acoustic reproduction presents a system with high-energy conversion efficiency and provides flexibility between an active speaker driver and other radiators, improved sound quality, a larger range of low frequency sounds, and the capability to improve audio frequency playback range in small-scale audio environments. A dual-mode acoustic radiator speaker system is provided having an enclosure with a plurality of openings, an active speaker driver having a first motor assembly and a dual-mode radiator having a second motor assembly. In some embodiments, the dual-mode acoustic radiator speaker system further comprises one or more passive radiators adjoined to the enclosure. Next, within the dual-mode acoustic radiator speaker system a power supply is connected to the electronic signal processing and amplification system.

Abstract: The present invention sets out to solve the problems above by presenting a dual-mode speaker system for acoustic reproduction. The dual-mode speaker system for acoustic reproduction presents a system with high-energy conversion efficiency and provides flexibility between an active speaker driver and other radiators, improved sound quality, a larger range of low frequency sounds, and the capability to improve audio frequency playback range in small-scale audio environments. A dual-mode acoustic radiator speaker system is provided having an enclosure with a plurality of openings, an active speaker driver having a first motor assembly and a dual-mode radiator having a second motor assembly. In some embodiments, the dual-mode acoustic radiator speaker system further comprises one or more passive radiators adjoined to the enclosure. Next, within the dual-mode acoustic radiator speaker system a power supply is connected to the electronic signal processing and amplification system.

Abstract: The present invention sets out to solve the problems above by presenting a dual-mode speaker system for acoustic reproduction. The dual-mode speaker system for acoustic reproduction presents a system with high-energy conversion efficiency and provides flexibility between an active speaker driver and other radiators, improved sound quality, a larger range of low frequency sounds, and the capability to improve audio frequency playback range in small-scale audio environments. A dual-mode acoustic radiator speaker system is provided having an enclosure with a plurality of openings, an active speaker driver having a first motor assembly and a dual-mode radiator having a second motor assembly. In some embodiments, the dual-mode acoustic radiator speaker system further comprises one or more passive radiators adjoined to the enclosure. Next, within the dual-mode acoustic radiator speaker system a power supply is connected to the electronic signal processing and amplification system.

Abstract: A compressed skins-tensioned core structure includes a first surface region; a second surface region; a core between the first surface region and the second surface region; a first transition region continuous with the first surface region at a side, and continuous with the core at another side; and a second transition region continuous with the core at a side, and continuous with the second surface region at another side, wherein each of the first surface region, the second surface region, the core, the first transition region and the second transition region is formed of a substantially homogeneous amorphous material; each of the first surface region and the second surface region exhibits an internal compressive stress, the core exhibits an internal tensile stress, and each of the first transition region and the second transition region exhibits a stress gradient from the internal compressive stress to the internal tensile stress.

Abstract: A compressed skins-tensioned core structure includes a first surface region; a second surface region; a core between the first surface region and the second surface region; a first transition region continuous with the first surface region at a side, and continuous with the core at another side; and a second transition region continuous with the core at a side, and continuous with the second surface region at another side, wherein each of the first surface region, the second surface region, the core, the first transition region and the second transition region is formed of a substantially homogeneous amorphous material; each of the first surface region and the second surface region exhibits an internal compressive stress, the core exhibits an internal tensile stress, and each of the first transition region and the second transition region exhibits a stress gradient from the internal compressive stress to the internal tensile stress.

Abstract: A vibration assembly for use in a speaker includes a supporting member, a light-transmissive rigid and hard diaphragm vibrating and propagating vibration for sound radiation in response to an actuating force, a flexible membrane having a first portion coupled to the rigid and hard diaphragm and configured to vibrate with the rigid and hard diaphragm, and having a second portion coupled to the supporting member for positioning the rigid and hard diaphragm, and a voice coil coupled to the rigid and hard diaphragm with a light-curing adhesive, and flowing therein an alternating current and passing therethrough magnetic lines of force generated by a magnet to provide the actuating force. The use of light-curing adhesive accelerates the automated manufacturing process.

Abstract: A speaker device includes a main cabinet composed of a cabinet body and a speaker mounted on the cabinet body; an extendable cabinet composed of a bellows tube and a passive diaphragm, the bellows tube having a front end communicably connected to the cabinet body and a rear end closed by the passive diaphragm, and the passive diaphragm being axially aligned with the speaker; and a damping assembly being arranged in the cabinet body and in the bellows tube, and having a front end connected to the cabinet body and a rear end to the passive diaphragm. With these arrangements, the speaker device can have improved bass performance in the entire low-frequency band instead of being limited to only a few low-frequency points.

Abstract: A headphone assembly for generating an audio output with distortion-free loudness limiting and dynamic equalization feature includes a voltage divider comprising a positive temperature coefficient resistor and a headphone driver, and two audio signal input terminals in each audio channel connected to the voltage divider arranged for connecting to an audio device, wherein a large portion of the voltage of the audio signal to the two audio signal input terminals to appear across the headphone driver in response to the audio signal received through the two audio signal input terminals below a preset low amplitude level; and increasing a resistance of the positive temperature coefficient resistor in a preset non-linear manner and decreasing a voltage drop across the headphone driver accordingly in response to the audio signal received through the two audio signal input terminals which is higher than the preset low amplitude level.

Abstract: A flat thin dynamic speaker which includes a motor unit, a suspension unit, a radiating unit and a frame arranged in such a manner that the motor unit and the suspension unit are at the same plane while the radiating unit is on top of the motor unit such that the thickness of the speaker assembly is reduced while the performance of the speaker assembly is maintained or even improved. Also, the speaker can be made into a quadrangular, polygon or a spherical structure. The speaker further has a surround at a level lower than the radiating unit without utilizing the radiating surface of the radiating unit such as a maximized radiating surface is provided, and includes a dual side voice-coil actuation to the radiator unit, thereby providing a slim and flat speaker assembly with high power output.

Abstract: A flat thin dynamic speaker which includes a motor unit, a suspension unit, a radiating unit and a frame arranged in such a manner that the motor unit and the suspension unit are at the same plane while the radiating unit is on top of the motor unit such that the thickness of the speaker assembly is reduced while the performance of the speaker assembly is maintained or even improved. Also, the speaker can be made into a quadrangular, polygon or a spherical structure. The speaker further has a surround at a level lower than the radiating unit without utilizing the radiating surface of the radiating unit such as a maximized radiating surface is provided, and includes a dual side voice-coil actuation to the radiator unit, thereby providing a slim and flat speaker assembly with high power output.

Abstract: A headphone assembly for generating an audio output with distortion-free loudness limiting and dynamic equalization feature includes a voltage divider comprising a positive temperature coefficient resistor and a headphone driver, and two audio signal input terminals in each audio channel connected to the voltage divider arranged for connecting to an audio device, wherein a large portion of the voltage of the audio signal to the two audio signal input terminals to appear across the headphone driver in response to the audio signal received through the two audio signal input terminals below a preset low amplitude level; and increasing a resistance of the positive temperature coefficient resistor in a preset non-linear manner and decreasing a voltage drop across the headphone driver accordingly in response to the audio signal received through the two audio signal input terminals which is higher than the preset low amplitude level.

Abstract: A flat thin dynamic speaker which includes a motor unit, a suspension unit, a radiating unit and a frame arranged in such a manner that the motor unit and the suspension unit are at the same plane while the radiating unit is on top of the motor unit such that the thickness of the speaker assembly is reduced while the performance of the speaker assembly is maintained or even improved. Also, the speaker can be made into a quadrangular, polygon or a spherical structure. The speaker further has a surround at a level lower than the radiating unit without utilizing the radiating surface of the radiating unit such as a maximized radiating surface is provided, and includes a dual side voice-coil actuation to the radiator unit, thereby providing a slim and flat speaker assembly with high power output.