Inventor
Tong song-lin
CN50 patents
⚠️ This page may combine multiple inventors who share the name “Tong song-lin”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
Tong song-lin
21 patentsUS8248054B2Aug 21, 2012
On/off detection circuit having function for timely detecting current flowing in electronic device
Tong song-lin12 citations84
US8659281B2Feb 25, 2014
Buck converter
Tong song-lin3 citations62
US8471721B2Jun 25, 2013
Server rack having payload weighing function
Tong song-lin2 citations62
US8314640B2Nov 20, 2012
Driver circuit
Tong song-lin2 citations62
US8508198B2Aug 13, 2013
Power supply conversion circuit of multi-phase power supply
Tong song-lin2 citations59
US8513931B2Aug 20, 2013
Snubber circuit for buck converter
Tong song-lin1 citations51
US8513954B2Aug 20, 2013
Test circuit for resistor capacitor circuits
Tong song-lin0 citations51
US8510477B2Aug 13, 2013
Protocol resolution device and method employing the same
Tong song-lin0 citations51
US8502521B2Aug 6, 2013
Measuring device for hard disk drive
Tong song-lin0 citations51
US8395351B2Mar 12, 2013
Multimeter with charging system
Tong song-lin0 citations51
US8739106B2May 27, 2014
Computer motherboard and CPU voltage regulator power supply layout method
Tong song-lin1 citations48
US8806234B2Aug 12, 2014
Motherboard having time delay circuit for delaying PSON signal
Tong song-lin0 citations41
US8643353B2Feb 4, 2014
Driving voltage adjusting circuit capable of adjusting driving voltage via digital rheostat
Tong song-lin0 citations41
US8598979B2Dec 3, 2013
Keyboard
Tong song-lin0 citations41
US8564265B2Oct 22, 2013
Driving circuit
Tong song-lin0 citations41
US8542473B2Sep 24, 2013
Resistance determining system and method for circuit protection
Tong song-lin0 citations41
US8456181B2Jun 4, 2013
Measurement circuit for power supply
Tong song-lin0 citations41
US8395369B2Mar 12, 2013
Buck converter with delay circuit
Tong song-lin0 citations41
US8326269B1Dec 4, 2012
Wireless unlocking system
Tong song-lin0 citations41
US8223519B2Jul 17, 2012
Power control system
Tong song-lin0 citations41
US8339119B2Dec 25, 2012
Output voltage adjustment circuit for buck circuits
Tong song-lin0 citations37
HONGFUJIN PREC IND SHENZHEN
9 patentsUS8359008B2Jan 22, 2013
Security system and method for an electronic device
HONGFUJIN PREC IND SHENZHEN5 citations71
US8378611B2Feb 19, 2013
Computer fan alarm circuit
HONGFUJIN PREC IND SHENZHEN2 citations63
US8933704B2Jan 13, 2015
Capacitive load testing device of power supply
HONGFUJIN PREC IND SHENZHEN2 citations61
US7944198B1May 17, 2011
Multimeter
HONGFUJIN PREC IND SHENZHEN2 citations61
US8379357B2Feb 19, 2013
Resistance determining system for over voltage protection circuit
HONGFUJIN PREC IND SHENZHEN1 citations52
US8354945B2Jan 15, 2013
Motherboard having a key combination input function by pressing a single key
HONGFUJIN PREC IND SHENZHEN0 citations52
US9176200B2Nov 3, 2015
Power supply test device
HONGFUJIN PREC IND SHENZHEN0 citations47
US8947836B2Feb 3, 2015
Test device for buck circuit
HONGFUJIN PREC IND SHENZHEN0 citations42
US8354589B2Jan 15, 2013
Power cable
HONGFUJIN PREC IND SHENZHEN0 citations42
LUO QI-YAN
8 patentsUS8868938B2Oct 21, 2014
Power circuit for data storage device to prevent data loss
LUO QI-YAN5 citations72
US8861219B2Oct 14, 2014
Printed circuit board for providing operation voltages
LUO QI-YAN0 citations51
US8854782B2Oct 7, 2014
Overcurrent protection device
LUO QI-YAN1 citations51
US8570777B2Oct 29, 2013
Power supply circuit with spike suppression circuit
LUO QI-YAN1 citations51
US8456172B2Jun 4, 2013
Measurement circuit for capacitor
LUO QI-YAN1 citations51
US8583950B2Nov 12, 2013
Power supply circuit for a CPU
LUO QI-YAN1 citations50
US8599580B2Dec 3, 2013
Buck converter
LUO QI-YAN0 citations40
US8810064B2Aug 19, 2014
Sequence control circuit for power source
LUO QI-YAN0 citations39