Patent application number | Description | Published |
20090013180 | Method and Apparatus for Ensuring the Security of an Electronic Certificate Tool - The present invention discloses a method and apparatus for ensuring the security of an electronic certificate tool, the method comprising: A: inputting business information by using the input or confirmation function set up in the electronic certificate tool; and step B: encrypting, attaching signature to or/and authenticating the inputted business information by the electronic certificate tool and sending the processed business information over the Internet via a computed connected to the Internet to make business dealing or/and payment. The method and apparatus ensure the security of the electronic certificate tool and are convenient and easy to use. | 01-08-2009 |
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 |
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 |
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 |
20140169586 | AUDIO SIGNAL ADAPTER DEVICE - An audio signal adapter device is provided. The audio signal adapter device comprises an input interface, an output interface, a boosting unit, a rectifying unit and a filtering unit. The input interface comprises an audio pin configured to receive an audio signal and to output the audio signal to the boosting unit. The boosting unit is configured to boost a voltage of the audio signal and to output a boosted audio signal to an input end of the rectifying unit. The rectifying unit is configured to rectify the boosted audio signal to obtain a rectified level and to output the rectified level to an input end of the filtering unit. The filtering unit is configured to filter the rectified level to obtain a direct current level and to output the direct current level to a power pin of the output interface. | 06-19-2014 |
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 |
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 |
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 |
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 |
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 |
20150016619 | APPARATUS FOR DETECTING TYPE OF AUDIO INTERFACE - An apparatus for detecting a type of an audio interface is disclosed. The apparatus comprises: an audio interface, comprising a pin | 01-15-2015 |
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 |
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 |
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 |