Assignee
TENDYRON CORP
CN52 patents
Top patents by PatentIndex Score
US9824353B2Nov 21, 2017
Key protection method and system
TENDYRON CORP9 citations84
US10673477B2Jun 2, 2020
Communication device, adapter device, communication system
TENDYRON CORP2 citations73
US10243401B2Mar 26, 2019
Method for controlling power supply and system
TENDYRON CORP2 citations73
US10043123B2Aug 7, 2018
Electronic equipment
TENDYRON CORP2 citations73
US9712326B2Jul 18, 2017
Method and system for backing up private key of electronic signature token
TENDYRON CORP2 citations73
US11438308B2Sep 6, 2022
Method and device for securely displaying data
TENDYRON CORP0 citations63
US11146570B2Oct 12, 2021
Method for obtaining font map, character display device and system, electronic signature token
TENDYRON CORP0 citations63
US9215541B2Dec 15, 2015
Apparatus for detecting type of audio interface
TENDYRON CORP2 citations63
US12265634B2Apr 1, 2025
Security monitoring method and system
TENDYRON CORP0 citations52
US12182806B2Dec 31, 2024
Electronic cash-based offline transaction method and system
TENDYRON CORP0 citations52
US12068804B2Aug 20, 2024
Method and device for transmitting data by using power line, and method and device for receiving data by using power line
TENDYRON CORP0 citations52
US11962365B2Apr 16, 2024
Data transmission method and apparatus
TENDYRON CORP0 citations52
US11887111B2Jan 30, 2024
Electronic currency offline payment method and payment collection method
TENDYRON CORP0 citations52
US11860200B2Jan 2, 2024
Zero crossing point signal output and power line data transmitting method and device
TENDYRON CORP0 citations52
US11281809B2Mar 22, 2022
Security display method and device, and security terminal
TENDYRON CORP0 citations52
US11159946B2Oct 26, 2021
Method and system for secure communication
TENDYRON CORP0 citations52
US11151574B2Oct 19, 2021
Smart card, method for outputting validation data, and method for responding to operation request
TENDYRON CORP0 citations52
US11043982B1Jun 22, 2021
Data transmitting circuit, data receiving circuit and data transferring apparatus
TENDYRON CORP0 citations52
US10979899B2Apr 13, 2021
Data communication method and system
TENDYRON CORP0 citations52
US10659180B2May 19, 2020
Circuit delay self-measurement method, device and system
TENDYRON CORP0 citations52
US10621432B2Apr 14, 2020
Methods for acquiring information using biological feature, and terminal and background server
TENDYRON CORP0 citations52
US9953658B2Apr 24, 2018
Data decoding method and apparatus
TENDYRON CORP0 citations52
US9742565B2Aug 22, 2017
Method and system for backing up private key of electronic signature token
TENDYRON CORP1 citations52
US9641932B2May 2, 2017
Audio signal adapter device, interface detecting system of the same and electronic signature token
TENDYRON CORP0 citations52
US9176705B2Nov 3, 2015
Uplink transmission device and method for audio signal via audio interface
TENDYRON CORP0 citations52
US10873358B1Dec 22, 2020
Card read response method, apparatus, and system, and signal transceiving device
TENDYRON CORP0 citations42
US10872337B2Dec 22, 2020
Payment device and system
TENDYRON CORP0 citations42
US10817038B2Oct 27, 2020
Data communication device and system
TENDYRON CORP0 citations42
US10785218B2Sep 22, 2020
Authorization authentication method, device and system
TENDYRON CORP0 citations42
US10769597B2Sep 8, 2020
Data processing method and device, and POS transaction system
TENDYRON CORP0 citations42
US10762408B2Sep 1, 2020
Smart card
TENDYRON CORP0 citations42
US10706241B2Jul 7, 2020
Method for keeping active state of smart card until re-entering field, and smart card
TENDYRON CORP0 citations42
US10606997B2Mar 31, 2020
Remote identity authentication method and system and remote account opening method and system
TENDYRON CORP0 citations42
US10609552B2Mar 31, 2020
System and method for data communication protection
TENDYRON CORP0 citations42
US10608778B2Mar 31, 2020
Data transmission method and terminal
TENDYRON CORP0 citations42
US10579701B2Mar 3, 2020
Legal chip identification method and system
TENDYRON CORP0 citations42
US10567956B2Feb 18, 2020
Data communication method and system
TENDYRON CORP0 citations42
US10432034B2Oct 1, 2019
On-off apparatus and electronic device
TENDYRON CORP0 citations42
US9871553B2Jan 16, 2018
Audio apparatus and audio communication channel circuit
TENDYRON CORP0 citations42
US9838779B2Dec 5, 2017
Method, system and apparatus for audio communication modulation modes self-adaptation, and electronic signature token
TENDYRON CORP0 citations42
US9807612B2Oct 31, 2017
Secure data interaction method and system
TENDYRON CORP0 citations42
US9634842B2Apr 25, 2017
Method for transmitting signed data and electronic signature token
TENDYRON CORP0 citations42
US9615168B2Apr 4, 2017
Adaptive method and device of audio interface and electronic signature token
TENDYRON CORP0 citations42
US9609428B2Mar 28, 2017
Method and device for automatically identifying microphone pin and ground pin of audio interface and electronic signature token
TENDYRON CORP0 citations42
US9608849B2Mar 28, 2017
Method, system and apparatus for audio communication modulation mode self-adaptation and electronic signature token
TENDYRON CORP0 citations42
US9532137B2Dec 27, 2016
Method and device for matching with audio interface of mobile terminal, and electronic signature token
TENDYRON CORP0 citations42
US9462031B2Oct 4, 2016
Method, system and device for audio communication modulation mode self-adaptation and electronic signature token
TENDYRON CORP0 citations42
US9438586B2Sep 6, 2016
Method and system for processing operation request
TENDYRON CORP0 citations42
US9407987B2Aug 2, 2016
Audio interface self-adaptation device
TENDYRON CORP0 citations42
US9369463B2Jun 14, 2016
Information processing method and system
TENDYRON CORP0 citations42
Showing the top 50 of 52 patents by PatentIndex Score.