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FREESYSTEMS PTE LTD

Overview
  • Total Patents
    48
About

FREESYSTEMS PTE LTD has a total of 48 patent applications. Its first patent ever was published in 1999. It filed its patents most often in United States, Singapore and EPO (European Patent Office). Its main competitors in its focus markets digital networks, telecommunications and audio-visual technology are BARIX AG, BRUCE JR WILLIAM M and ASTREA INTELLECTUEEL EIGENDOMSRECHT B V.

Patent filings per year

Chart showing FREESYSTEMS PTE LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chan Chee Oei 25
#2 Chua Beng Huat 25
#3 Lee Kah Yong 21
#4 Siew Chee Kong 16
#5 Tan Tai Chew 5
#6 Neoh Chong Lim 5
#7 Kwok Ping Siong 3
#8 Chua Beng H 2
#9 Huat Chua Beng 2
#10 Kwok Ping Soon 2

Latest patents

Publication Filing date Title
WO2008085132A1 A multi-node media content relay system
WO2008085133A1 A multi-node media content distribution system
US2008175190A1 Multi-node media content distribution system
WO2008085131A1 A wireless network for personal computer human interface devices
EP1957446A2 Time diversity algorithm for digital wireless audio transmission
US2007104285A1 Digital wireless audio transmitter system employing time diversity
US2007104249A1 Digital wireless audio receiver system employing time diversity
US2007104248A1 Digital wireless audio communication system employing time diversity
WO2006032978A2 A method and apparatus for ensuring high quality audio playback in a wireless or wired digital audio communication system
KR20070070162A An apparatus and method for adaptive digital locking and soft evaluation of data symbols in a wireless digital communication system
US2006062338A1 Method and apparatus for ensuring high quality audio playback in a wireless or wired digital audio communication system
US2005002480A1 Digital switching wireless receiver diversity and buffer diversity for enhanced reception in a wireless digital audio communication system
US2004141568A1 Digital modulation and demodulation technique for reliable wireless (both RF and IR) and wired high bandwidth data transmission
US2003130751A1 New filter bank for graphics equalizer implementation
SG115411A1 A personal on-demand audio entertainment device that is untethered and allows wireless download of content
SG109470A1 A personal on-demand audio entertainment device that is untethered and allows wireless download of content
US6614024B1 Infra-red wireless receiver with novel shielding and IR front end signal enhancement
US6614849B1 Wireless infrared digital audio receiving system
US6741659B1 Wireless infrared digital audio transmitting system
US6510182B1 Wireless infrared digital audio system