Category:Jiujian Liu

Jiujian Liu

Executive Summary

Jiujian Liu is an inventor who has filed 1 patents. Their primary areas of innovation include Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means {(combinations of transducers with horns, i.e. front-loaded horns (1 patents), at the periphery (1 patents), {Magnetic circuit} (1 patents), and they have worked with companies such as AAC Technologies Pte. Ltd. (1 patents). Their most frequent collaborators include (1 collaborations), (1 collaborations), (1 collaborations).

Patent Filing Activity

Technology Areas

List of Technology Areas

• H04R1/2826 (Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means {(combinations of transducers with horns, i.e. front-loaded horns): 1 patents
• H04R7/18 (at the periphery): 1 patents
• H04R9/025 ({Magnetic circuit}): 1 patents
• H04R1/025 ({Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture}): 1 patents
• H04R9/045 ({Mounting (): 1 patents
• H04R7/04 (Plane diaphragms): 1 patents
• H04R9/063 (Loudspeakers): 1 patents
• H04R2400/11 (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general): 1 patents

Companies

List of Companies

• AAC Technologies Pte. Ltd.: 1 patents

Collaborators

• Yao Hui (1 collaborations)
• Yufen Chu (1 collaborations)
• Weimin Chen (1 collaborations)