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85results about How to "Protection of privacy" patented technology

Method and system for realizing instant messaging among persons travelling together

The invention relates to a method for realizing instant messaging among persons travelling together. The method includes the steps: acquiring position information and timestamps of a user continuously through a mobile user terminal; acquiring adjacent contact persons of the user at every moment according to the position information of the user at multiple moments of the current time period; taking persons having common intersections of the adjacent contact persons at every moment as preselected persons travelling together of the user; matching user travelling-together tags, and acquiring the persons travelling together of the user; automatically building a chat channel for the persons travelling together to realize instant messaging of the user and all the persons travelling together. By the method, the persons travelling together can be automatically searched and added for the user, the instant messaging channel is built, and communication among the persons travelling together is facilitated greatly. Meanwhile, unless the user selects shared position information, the other users cannot know the position information of the user, so that instant messaging requirements of the user is met, and the right of privacy of the user is protected effectively.
Owner:蔡宏铭

Management and semantic retrieval method for information resources

The invention discloses a management method and a management system for resource information. The method comprises the following steps of: creating or utilizing attribute information in an attribute information library, wherein the attribute information comprises the semantic description information of attributes and semantic logic relationship information used for classification and retrieval processes; and creating a resource library and a directory library according to the attribute information in the attribute information library, wherein the resource library is used for storing resource identification information corresponding to information resources to be managed and the semantic logic relationship information of reference corresponding to the information resources in the attribute information library, and the directory library is used for storing directory identification information corresponding to directories created by users and the semantic logic relationship information of reference corresponding to the directories in the attribute information library. Private information is protected by separating semantic information and the semantic logic relationship information, a semantic searching algorithm is optimized by combining the structural processing of the semantic logic relationship information, and retrieval efficiency is improved; and in addition, the comprehensive processing of common attributes is combined to realize cross-language semantic retrieval.
Owner:刘超

Pressure-sensor-based system and method for monitoring motions of going to bed or getting out of bed

The invention relates to a pressure-sensor-based system and method for monitoring motions of going to bed or getting out of bed. A plurality of pressure sensors are arranged on corresponding pressure sensitive areas when a user goes to bed or gets out of bed, the pressure sensors are correspondingly distributed and arrayed according to characteristics of the pressure sensitive areas, so that the pressure sensors are adopted to detect pressure changes of the pressure sensitive areas in real time, then, the pressure changes detected by the pressure sensors are sent to a processor through a communication module, finally, the processor is adopted to generate control signals according to the pressure changes, and therefore the motions of going to bed or getting out of bed are monitored in real time according to the control signals. In this way, by the adoption of the pressure-sensor-based system and method for monitoring the motions of going to bed or getting out of bed, the situation is avoided that the daily life of the user is exposed to a camera, the privacy right of the user is protected, the defect of lacking of inspectors can be solved, further damage to the user can be avoided, and optimal monitoring on the user is achieved with relatively low cost.
Owner:SHENZHEN INST OF ADVANCED TECH

Nursing bed and monitoring method capable of monitoring sleeping behavior and state of elderly people

The invention discloses a nursing bed and monitoring method capable of monitoring a sleeping behavior and state of elderly people. A bed screen is fixed to one end of a bed base frame, and the bed base frame is sequentially provided with a bed frame and a mattress from bottom to top in a matched mode; a luminous fabric is arranged on the surface of the mattress, and a plurality of linear inductosyn are in an evenly left and right zone arranged state of the mattress to form a linear inductosyn matrix; the linear inductosyn matrix collects electromotive force variable quantity under use states of the left side and the right side, and the electromotive force variable quantity continuously collected by an information collector is transmitted to a host processor; the host processor calculates out the human-bed interface compression quantity matrix information based on the electromotive force variable quantity through calculation; by analyzing the human-bed interface compression quantity matrix information, the sleep behavior, breathing situations and the time when leaving a bed are monitored, and the monitoring information is sent to a mobile phone; when abnormal information is detected, the alarm can be sent through the host processor; and when the elderly people gets up or sleeps at night, the luminous fabric on the surface of the mattress can be controlled to glow or darken.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Citizen identity information check method capable of protection personal privacy

The invention relates to a citizen identity information check method, in particular to a citizen identity information check method capable of protecting personal privacy. After a checker inputs the relevant information of a person to be checked into a computer or a mobile phone terminal, the relevant information of the person to be checked is submitted to a relevant identity information check system for comparison. When the check system is required to transmit the photo of the person to be checked to the checker, the original photo of the person to be checked stored in an identity information system database is called out first, local veiling processing is conducted to the photo, one to three of ears, eyebrows, eyes, noses and mouth of the face of the person in the original photo are veiled, and then a new photo which undergoes veiling processing is transmitted to the display terminal of the checker. Since the photo of the person to be checked transmitted by the check system lacks part of images of five sense organs on the face, the privacy right and the portraiture right of the person to be checked are protected and the photo cannot be used for illegal purposes. By adopting the method, legal citizen identity information check service can be conducted to the public in a better way.
Owner:周良勇

Disposable collector applicable to childbirth of puerpera

The invention discloses a disposable collector applicable to the childbirth of a puerpera. The disposable collector comprises a colporrhagia collection bag and a perineal pad, and further comprises an excrement collection bag and hooks. The excrement collection bag is arranged on the lower portion of the colporrhagia collection bag in an overlapping mode, and the excrement collection bag and the colporrhagia collection bag are connected through bag openings. The perineal pad is fixed to the bottom of the bag opening of the excrement collection bag. Both the excrement collection bag and the colporrhagia collection bag are fixed to the private parts of the puerpera through the hooks. One end of each hook is fixed to the two sides of the excrement collection bag or the two sides of the colporrhagia collection bag, and the other end of each hook is provided with an arc-shaped structure matched with the root of the human thigh. The disposable collector is reasonable in design; through the unique humanization design, sensory negative effects on medical stuff when the medical stuff face post-partum fecal incontinence of the puerpera can be eliminated, privacy of the puerpera is protected, and awkwardness is avoided; the disposable collector is easy to operate, and has the advantage that observation, measurement, collection, disinfection and the like are convenient, thereby being suitable for wide popularization and use.
Owner:THE WEST CHINA SECOND UNIV HOSPITAL OF SICHUAN

Blockchain-based digital asset processing method and device

The invention discloses a blockchain-based digital asset processing method and device. The method comprises the following steps: receiving private ciphertext for a digital asset circulated from a sending end to a receiving end through a blockchain, and a preset public key; and obtaining a sharing public key for sharing the private ciphertext based on the preset public key, so that when the private ciphertext and the sharing public key are broadcast in the blockchain, blockchain nodes on the blockchain can share the private ciphertext based on the sharing public key and reach a blind consensus on the shared private ciphertext, and after the consensus on the private ciphertext is reached, the private ciphertext can be decrypted by at least one of three parties, i.e., the sending end, the receiving end and a monitoring end, based on a preset private key to obtain plaintext of the digital asset. The method and device provided by the embodiment of the invention has the advantages that the privacy right of a user is protected; under the premise of privacy protection, the single general digital asset can be smoothly circulated within one blockchain or among multiple blockchains, and a total currency amount remains unchanged; and a monitoring party other than the transaction parties can monitor transaction information at any time.
Owner:中钞信用卡产业发展有限公司杭州区块链技术研究院 +1

Stream data transmission anti-disclosure method and system based on coding

The invention discloses a stream data transmission anti-disclosure method and a stream data transmission anti-disclosure system based on coding. The method comprises the following steps: counting thedata domain length of each data frame in a historical network stream data file to obtain a frame length distribution sequence; obtaining a hierarchical threshold list from the frame length distribution sequence; generating filling bit data based on the data domain length of the to-be-processed data frame and the normalized hierarchical threshold list; performing null value filling and matrix bottom filling on the to-be-processed data frame based on the null value filling bit and the filling bit data to obtain a matrix after row filling and confuse the matrix; performing hash filling on the confused matrix by adopting a hash function to obtain an encrypted data frame, and transmitting the encrypted data frame; and enabling the receiving end to divide the received encrypted data frame into abit data part matrix and a hash value part matrix, and obtaining an original data frame after hash value verification, filtering and removal of data frames filled at the bottom of the matrix in the filtered matrix. According to the invention, attackers can be prevented from counting and classifying streaming data frames on a network level to obtain user private information.
Owner:北京电信易通信息技术股份有限公司
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