| TENDYRON CORPORATION Patent applications |
| Patent application number | Title | Published |
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| 20160112193 | METHOD AND SYSTEM FOR BACKING UP PRIVATE KEY OF ELECTRONIC SIGNATURE TOKEN - Provided are a method and system for backing up a private key in an electronic signature token, the method comprising: a first electronic signature token and a second electronic signature token negotiate an encryption strategy and a corresponding decryption strategy to use for communication therebetween; the first electronic signature token utilizes the encryption strategy to encrypt a request data packet and transmits the encrypted request data packet; the second electronic signature token decrypts the encrypted request data packet; the second electronic signature token utilizes the encryption strategy to encrypt a response data packet and transmits the encrypted responses data packet; and the first electronic signature token utilizes the decryption strategy to decrypt the response data packet, and acquires a private key from the response data packet. | 04-21-2016 |
| 20150350190 | ELECTRONIC DEVICE AND PASSWORD AUTHENTICATION METHOD FOR ELECTRONIC DEVICE - A password authentication method for an electronic device and an electronic device is provided. The method comprises: receiving by the electronic device an input password, in which the input password is an n-bit character string and n≧1; comparing by the electronic device characters of the input password with corresponding characters of a pre-stored correct password bit by bit in sequence or randomly; and providing by the electronic device a comparison result at a predetermined feedback time or a random feedback time, in which each of the predetermined feedback time and the random feedback time is not less than a total time required to compare the n-bit character string of the input password. | 12-03-2015 |
| 20150326989 | DEVICE FOR MATCHING AND INDENTIFYING AUDIO INTERFACE OF MOBILE TERMINAL AND ELECTRONIC SIGNATURE TOKEN - A device for matching and identifying an audio interface of a mobile terminal and an electronic signature token are provided. The audio interface of the mobile terminal includes a first pin, a second pin and a third pin, the first pin is one of a microphone pin and a ground pin, the second pin is the other one of the microphone pin and the ground pin. The third pin is connected with the first and second pins via a switching module. When the switching module connects the third pin and the first pin to form a first loop, an impedance of the first loop is matched with an identification resistance of the mobile terminal. When the switching module connects the third pin and the second pin to form a second loop, an impedance of the second loop is matched with the identification resistance of the mobile terminal. | 11-12-2015 |
| 20150310441 | TRANSACTION SYSTEM METHOD, ELECTRONIC SIGNATURE TOOL, AND NETWORK BANK SERVER AUTHENTICATION - The present invention provides a transaction system and method, an electronic signature tool, and a network bank server authentication method. The system comprises: a telephone terminal, for receiving personal information entered by a user; a telephone bank server, for receiving the personal information sent by the telephone terminal and verifying the personal information, and receiving, after the verification succeeds, transaction information and an authentication password that are entered by the user; a network bank server, for receiving the transaction information and the authentication password that are sent by the telephone bank server, and performing encryption calculation on the transaction information according to the authentication password to generate authentication information; a network terminal, for acquiring the transaction information and authentication information from the network bank server; and an electronic signature tool, for receiving the transaction information and authentication information that are sent by the network terminal, verifying the transaction information and authentication information, and generating, after the verification succeeds, signature data of the transaction information and sending the signature data to the network bank server. The present invention reduces the transaction complexity, ensures the security, and facilitates the operation. | 10-29-2015 |
| 20150281226 | SYSTEM FOR TRANSMITTING DATA BY USING USB INTERFACE - A system for transmitting data by using a USB interface is provided. The system includes: a terminal equipment; a data transmission line, having a first terminal configured as a first USB interface and a second terminal configured as an interface adapted for connecting with the terminal equipment, and configured to transmit information from the terminal equipment directly; and an electronic signature token, including a second USB interface configured to be connected with the first USB interface to receive the information from the terminal equipment, a selecting module connected with the second USB interface and configured to detect the information received by the second USB interface and to determine a data transmission protocol type according to the information, and a modulating and demodulating module connected with the selecting module and configured to demodulate the information in a demodulation mode matched with the data transmission protocol type and to obtain demodulated data. | 10-01-2015 |
| 20150264044 | ELECTRONIC SIGNATURE TOKEN, SYSTEM AND METHOD - Provided is an electronic signing tool, comprising: a security chip, a read/write component, a communication module and an input/output component, wherein the security chip is connected to the read/write component, the communication module and the input/output component respectively. Also provided is an electronic signing system. The system comprises: a server, a card and an aforementioned electronic signing tool. An electronic signing tool and system provided in the present invention can perform a secure read/write operation on an IC card, a magnetic strip card, etc. remotely, and avoid information being leaked or information being tampered with when performing an operation on the IC card, the magnetic strip card, etc. at the time a remote operation is performed through a public network, thus improving the security and convenience. | 09-17-2015 |
| 20150249883 | AUDIO SIGNAL ADAPTER DEVICE, INTERFACE DETECTING SYSTEM OF THE SAME AND ELECTRONIC SIGNATURE TOKEN - An audio signal adapter device includes a first interface, a second interface, an audio signal amplifying circuit, and an impedance circuit. The first interface includes an audio signal receiving pin, a microphone pin and a ground pin, and the second interface includes an audio signal output pin. The audio signal amplifying circuit is configured to amplify an audio signal received by the audio signal receiving pin and to output the amplified audio signal to the audio signal output pin. The audio signal received by the audio signal receiving pin flows to the microphone pin or the ground pin via an impedance equivalent part of the audio signal amplifying circuit. The impedance circuit is coupled between the microphone pin and the ground pin. An interface detecting system and an electronic signature token are also provided. | 09-03-2015 |
| 20150215697 | DEVICE FOR TRANSMITTING AUDIO SIGNALS AND ELECTRONIC SIGNATURE TOKEN - A device for transmitting audio signals includes an audio interface, a data transmission interface being a USB interface or a DOCK interface, and an amplifying module coupled with the audio interface and the data transmission interface respectively. The audio interface includes a first pin and a second pin. The first pin is a single-channel audio output pin or one of multichannel audio output pins, and the second pin is a ground pin. An electronic signature token including the device for transmitting audio signals is also provided. | 07-30-2015 |
| 20150208164 | DOWNLINK TRANSMISSION DEVICE FOR AUDIO SIGNALS AND ELECTRONIC SIGNATURE TOKEN - A downlink transmission device for audio signals and an electronic signature token are provided. The downlink transmission device for audio signals includes an audio interface and an impedance circuit. The audio interface includes a first pin, a second pin and a third pin. The first pin is one of a microphone pin and a ground pin, the second pin is the other one of the microphone pin and the ground pin. The third pin is a single-channel audio output pin or one of multichannel audio output pins and adapted to send the audio signal. The impedance circuit defines a first terminal coupled with the third pin, and a second terminal coupled with the first pin and the second pin respectively. | 07-23-2015 |
| 20150180688 | METHOD, SYSTEM AND APPARATUS FOR AUDIO COMMUNICATION MODULATION MODE SELF-ADAPTATION AND ELECTRONIC SIGNATURE TOKEN - A method, system, and apparatus for audio communication modulation mode self-adaptation and an electronic signature token are provided. The method includes modulating first audio data using at least two modulation modes supported by the first device to generate first audio data frame streams; selecting an optimal modulation mode used in the second device from the modulation modes correctly received by the second device and supported by the first device according to a predetermined rule; demodulating the second audio data stream to obtain modulation modes correctly received by the first device and supported by the second device and the optimal modulation mode used in the second device; and selecting an optimal modulation mode used in the first device from the modulation modes correctly received by the first device and supported by the second device according to the predetermined rule. | 06-25-2015 |
| 20150178039 | UPLINK TRANSMISSION DEVICE AND METHOD FOR AUDIO SIGNAL VIA AUDIO INTERFACE - Uplink transmission device and method for an audio signal via an audio interface are provided. In the device, a first pin of the audio interface is connected to a signal output terminal of an uplink audio signal generating device via a first circuit, and a second pin of the audio interface is connected to the signal output terminal of the uplink audio signal generating device via a second circuit. The first pin of the audio interface is one of a microphone pin and a ground pin, and the second pin of the audio interface is the other one of the microphone pin and the ground pin. The first circuit and the second circuit are attenuation circuits for each other. | 06-25-2015 |
| 20150163591 | METHOD, SYSTEM AND APPARATUS FOR AUDIO COMMUNICATION MODULATION MODE SELF-ADAPTATION, AND ELECTRONIC SIGNATURE TOKEN - A method, system and apparatus for audio communication modulation mode self-adaptation, and an electronic signature token are provided. The method includes generating a first audio detection frame; if the first audio detection frame is correct, selecting the modulation mode supported by the second device corresponding to the identifier of the modulation mode supported by the second device from pre-stored modulation modes supported by the second device according to the identifier of modulation mode supported by the second device carried in the first audio detection frame, and generating a first audio detection feedback frame; if the first audio detection feedback frame is correct, demodulating an audio data frame from the second device using a demodulation mode corresponding to the modulation mode supported by the second device, and demodulating an audio data frame from the first device using a demodulation mode corresponding to the modulation mode supported by the first device. | 06-11-2015 |
| 20150163278 | METHOD, SYSTEM AND DEVICE FOR AUDIO COMMUNICATION MODULATION MODE SELF-ADAPTATION AND ELECTRONIC SIGNATURE TOKEN - A method and system for audio communication modulation mode self-adaptation, an apparatus for audio communication modulation mode self-adaptation in a mobile terminal and an electronic signature token are provided. The method includes modulating first audio data to generate first audio data frame streams; modulating second audio data to generate second audio data frame streams; demodulating the second audio data stream to obtain modulation modes correctly received by the first device and supported by the second device and modulation modes correctly received by the second device and supported by the first device; selecting an optimal modulation mode used in the second device from the modulation modes correctly received by the second device and supported by the first device, and selecting an optimal modulation mode used in the first device from the modulation modes correctly received by the first device and supported by the second device, according to a predetermined rule. | 06-11-2015 |
| 20150163228 | METHOD FOR OBTAINING FONT MAP, CHARACTER DISPLAY DEVICE AND SYSTEM, ELECTRONIC SIGNATURE TOKEN - A matrix obtaining method, a character display device and system and an electronic signature tool. The matrix obtaining method includes the following steps: the character display device receives a matrix sent by a matrix storage device; the character display device calculates the check code of the matrix sent by the matrix storage device; the character display device compares the calculated check code of the matrix with the locally-stored corresponding matrix check code; and if the two check codes are consistent, the character display device determines that the matrix sent by the matrix storage device is correct. Through the method, the character can be displayed by obtaining the matrix stored in the matrix storage device so as to reduce the cost of the character display device. The matrix storage device may be a transaction terminal including a computer, a mobile phone and the like, and the character display device may be an electronic signature tool. | 06-11-2015 |
| 20150156586 | METHOD AND DEVICE FOR MATCHING WITH AUDIO INTERFACE OF MOBILE TERMINAL, AND ELECTRONIC SIGNATURE TOKEN - A method for matching with an audio interface of a mobile terminal includes: connecting a third pin with a first pin of the audio interface via a first circuit including a first unidirectional conduction module having a current direction flowing towards the first pin; connecting the third pin with a second pin of the audio interface via a second circuit including a second unidirectional conduction module having a current direction flowing towards the second pin; controlling the first unidirectional conduction module to turn on such that the third pin and the first pin form a first loop having an impedance matched with an identification resistance of the mobile terminal; and, controlling the second unidirectional conduction module to turn on such that the third pin and the second pin form a second loop having an impedance matched with the identification resistance of the mobile terminal. | 06-04-2015 |
| 20150067799 | ELECTRONIC PASSWORD GENERATING METHOD, ELECTRONIC PASSWORD GENERATING APPARATUS AND ELECTRONIC PASSWORD AUTHENTICATION SYSTEM - An electronic password generating method, an electronic password generating apparatus and an electronic password authentication system are provided. The electronic password generating method includes steps of: prompting a user to input a challenge code by a prompting information, wherein the prompting information is an information containing a meaning represented by the challenge code to be input, the prompting information at least comprises a first prompting information and a second prompting information, and the challenge code at least comprises a first information of the challenge code and a second information of the challenge code; receiving the challenge code input by the user; and generating a dynamic electronic password according to the input challenge code and a current time parameter. | 03-05-2015 |
| 20150036837 | AUDIO SIGNAL ADAPTER DEVICE AND AUDIO SIGNAL TRANSMISSION SYSTEM - An audio signal adapter device and a system for transmitting an audio signal are provided. The audio signal adapter device comprises: a microphone, configured to receive the audio signal and to output the audio signal via an audio pin thereof; an amplifying unit configured to amplify the audio signal received via an audio input pin thereof and to output an amplified audio signal via an audio output pin thereof; and a USB adapter interface, connected with an audio signal receiving device and comprises an audio signal pin. The audio pin of the microphone is connected with the audio input pin of the amplifying unit, and the audio output pin of the amplifying unit is connected with the audio signal pin of the USB adapter interface. | 02-05-2015 |
| 20150016624 | AUDIO INTERFACE ADAPTER DEVICE AND AUDIO SIGNAL RECEIVING APPARATUS - An audio interface adapter device and an audio signal receiving apparatus are provided. The audio interface adapter device comprises an audio interface having a pin 1, a pin 2, a pin 3 and a pin 4. The pin 1 and/or the pin 2 is used as an audio pin of the audio interface. One of the pin 3 and the pin 4 is used as a microphone pin, and the other one of the pin 3 and the pin 4 is used as a ground pin. The audio pin is connected with the pin 3 via a first unidirectional conductive element, and connected with the pin 4 via a second unidirectional conductive element. A conductive direction of the first unidirectional conductive element is from the audio pin to the pin 3, and a conductive direction of the second unidirectional conductive element is from the audio pin to the pin 4. | 01-15-2015 |
| 20140244867 | AUDIO SIGNAL ADAPTER AND RECEIVER DEVICE AND AUDIO SIGNAL TRANSMISSION SYSTEM - An audio signal adapter device, an audio signal receiving device and a system for transmitting an audio signal are provided. The audio signal adapter device comprises an audio interface and an adapter end interface. The audio interface is connected with an audio signal sending device, has a ground pin and at least one audio pin. The adapter end interface is connected with the audio signal receiving device, has an audio signal pin and a reference signal pin. The audio pin of the audio interface is configured to receive an audio signal output from the audio signal sending device, connected with the audio signal pin of the adapter end interface, the ground pin of the audio interface is connected with the reference signal pin of the adapter end interface. The audio signal pin and the reference signal pin are configured to output the audio signal to the audio signal receiving device. | 08-28-2014 |
| 20140241541 | AUDIO SIGNAL ADAPTER DEVICE - An audio signal adapter device is provided, comprising: an input port, an output port, and a signal amplifier, in which the input port is a headphone interface, and comprises a first audio signal input pin configured to receive an audio signal sent by an audio signal sending equipment and to output the audio signal to an input end of the signal amplifier; the output port comprises an audio signal output pin; and the signal amplifier is connected with the first audio signal input pin, an output end of the signal amplifier is connected with the audio signal output pin for outputting an amplified audio signal. | 08-28-2014 |
| 20140219388 | METHOD AND DEVICE FOR SENDING AND RECEIVING DATA - A method for sending data, a data sending device, a method for receiving data, and a data receiving device are provided. The method for sending data comprises: transmitting data bit | 08-07-2014 |
| 20140200695 | AUDIO SIGNAL RECEIVING DEVICE AND SYSTEM FOR TRANSMITTING AUDIO SIGNAL, AUDIO SIGNAL RECEIVER DEVICE, AUDIO SIGNAL TRANSMISSION SYSTEM - An audio signal receiving device and a system for transmitting an audio signal are provided. The system comprises an audio signal adapter device and an audio signal receiving device; the audio signal adapter device comprises an audio interface and an adapter end interface; an audio pin of the audio interface is connected with a first audio signal pin of the adapter end interface, a ground pin of the audio interface is connected with a first reference signal pin of the adapter end interface; the audio signal receiving device comprises a receiving end interface, a USB physical layer control module and an audio signal receiving module; the receiving end interface has a second audio signal pin and a second reference signal pin; the USB physical layer control module comprises a comparator; the audio signal receiving module is connected with an output pin of the comparator. | 07-17-2014 |
| 20140198928 | AUDIO SIGNAL RECEIVING DEVICE, AUDIO SIGNAL ADAPTER DEVICE AND SYSTEM FOR TRANSMITTING AUDIO SIGNAL - An audio signal receiving device, an audio signal adapter device and a system for transmitting an audio signal are provided. The audio signal adapter device is connected with an audio signal sending device and the audio signal receiving device and is configured to transmit a signal between the audio signal sending device and the audio signal receiving device, and the device comprises: a loudspeaker interface having an audio pin, a ground pin and a MIC pin; and a adapter end interface having an audio signal pin, a reference signal pin and a ground pin. The audio signal pin of the adapter end interface is connected with the audio pin of the loudspeaker interface, the reference signal pin of the adapter end interface is connected with the ground pin of the loudspeaker interface, for sending the audio signal output from the audio signal sending device to the audio signal receiving device. | 07-17-2014 |
| 20130176826 | ELECTRONIC DEVICE FOR COMMUNICATING WITH EXTERNAL DEVICES BY AUDIO - Disclosed is an electronic device for communicating with external devices by audio, comprising a security function module, an audio communication processing module and an audio signal connection component, the audio communication processing module being connected to the security function module and the audio signal connection component respectively, wherein the audio signal connection component is configured to receive a first audio signal from the external devices and to output the first audio signal to the audio communication processing module; the audio communication processing module is configured to convert the first audio signal outputted from the audio signal connection component into a first digital signal and to send the first digital signal to the security function module; and/or the audio communication processing module is configured to convert a second digital signal outputted from the security function module into a second audio signal and to send the second audio signal to the audio signal connection component, and the audio signal connection component is configured to output the second audio signal to the external devices. | 07-11-2013 |
| 20130173836 | USB KEY DEVICE AND METHOD FOR REALIZING INTELLIGENT CARD COMMUNICATION USING USB INTERFACE - A USB key device and method for realizing the intelligent card communication using the USB interface are provided. The USB key device includes: a USB interface ( | 07-04-2013 |
| 20100313028 | Electronic Signature Method and Electronic Signature Tool - The present invention provides an electronic signature method and an electronic signature tool. The method includes: outputting verification prompt information; receiving verification confirmation information inputted by a user; checking whether the verification confirmation information matches the verification prompt information, and performing the predetermined electronic signature operation if the verification confirmation information matches the verification prompt information. Through the electronic signature method and the electronic signature tool of the present invention, an attack of other users on the network can be prevented, secure transactions are realized. The method and the tool are used conveniently and can be popularized easily. | 12-09-2010 |
