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Matches 1 - 50 out of 2,564

Document Document Title
WO/2021/084175A1
The invention relates to a method and device for providing electric charging in order to charge a circuit board (C1) comprising a module for near-field communication (NFC) via a terminal (T1, T2). The terminal has a "reader" mode (NFC) i...  
WO/2021/082221A1
Disclosed are an intra-human body ultrasonic communication method and device based on packet index modulation. The method comprises dividing serial information into blocks at a transmitting node, each information block comprising a modul...  
WO/2021/079038A1
The invention relates to a method for receiving a signal during an intrabody communication via a user carrying a terminal (1), said method comprising the following steps implemented at the terminal: receiving (S9) a signal from a communi...  
WO/2021/079039A1
The invention relates to a method for receiving a signal during an intrabody communication via a user (U) carrying a terminal (1), said method comprising the following steps implemented at the terminal: receiving (S10) a signal from a co...  
WO/2021/080133A1
The method of controlling the automatic utterance of a speaker using human body communication in a wearable device includes: receiving action information including identification data about an external device from the external device, wi...  
WO/2021/074866A1
In an example embodiment, an optical communication system includes an implantable optical transmitter and an external optical receiver. The transmitter includes a housing having one or more drivers, plural light emitting sources, and an ...  
WO/2021/069864A1
A network, or part thereof for example a link, (1) is described. The network (1) is for data communication through a medium, preferably wherein the medium comprises and/or is, at least in part, a liquid medium LM. The network (1) compris...  
WO/2020/251755A9
A method for low power communication links between wireless devices is described. The method includes establishing, by a first wireless device, a first magnetic communication link to a source wireless device through a human body. The met...  
WO/2021/047150A1
Disclosed is a soft information transmission-based underwater acoustic communication data reuse method, applicable to the field of underwater acoustic communication algorithm verification and data processing. According to the present inv...  
WO/2021/021617A1
Ocular devices worn on the eye and through-body communication networks for communicating with an ocular device and other devices interconnected to the through-body communication network are disclosed. Devices and networks for using the b...  
WO/2021/017822A1
Disclosed in the embodiments of the present invention are an information interaction method, a wearable device, and a storage medium, for use in avoiding the interference of signals in a communication environment where wearable devices a...  
WO/2021/016862A1
The present application is applicable to the technical field of computer applications, and provides an underwater communication method and a device. The method comprises: generating electrical signal information to be sent; determining, ...  
WO/2021/011297A1
Disclosed are examples of a method, a wearable device and a system enabling authentication of a user of a payment account or completion of a purchase transaction via signals generated by the wearable device. A process may include a weara...  
WO/2021/007965A1
Disclosed is a human body channel communication system based on current loop control. The human body channel communication system is used for the communication of a wearable or implanted apparatus. In the system of the present invention,...  
WO/2021/002341A1
The present invention performs electric field communication using a metal as a communication medium. Provided is an electric field communication system for performing communication using an electric field, the electric field communicatio...  
WO/2021/002093A1
An underwater optical communication system (100) is provided with a first optical communication device (1) that includes a first filter (12) and a second optical communication device (2) that includes a second filter (22) and performs bi...  
WO/2020/263193A1
Disclosed is a system for assisting blasting. The system includes at least one wireless blasting-related device that is deployable or deployed proximate to or within a portion of physical media intended to be blasted as part of a commerc...  
WO/2020/251364A1
An apparatus for facilitating optical wireless communication between underwater equipment. The apparatus comprises a flexible, non-permeable first sheet configured to cover at least a portion of the underwater equipment. The first sheet ...  
WO/2020/251755A1
A method for low power communication links between wireless devices is described. The method includes establishing, by a first wireless device, a first magnetic communication link to a source wireless device through a human body. The met...  
WO/2020/250776A1
The present technology relates to a medical system, a communication method, an image capturing device, an information processing device, and an endoscope system which enable a sensor signal output from a sensor, which acquires data in a ...  
WO/2020/246539A1
Proposed are a batteryless electronic device which enhances mountability than before, can stably operate an electronic element, and enables miniaturization, and a transmission system using same. In the batteryless electronic device 3, mo...  
WO/2020/241458A1
A signal generation circuit (331) generates a digital signal that is a baseband signal based on data. A transmission circuit (371) comprises a pin (346) connected to an electroconductive layer (201), and a pin (347) connected to an elect...  
WO/2020/241948A1
Disclosed is a body area network-based authentication system and method. A body area network-based authentication method according to an embodiment of the present invention may include, as a result of authentication performed in a first ...  
WO/2020/218963A1
The present invention relates to a method and device suitable for detection of and warning against tsunamis. The device when in use being located in the water at sea, wherein the device comprises a vessel (2), a sensor (3) for measuring ...  
WO/2020/215625A1
Disclosed in the present invention are a resource allocation method and a device of an underwater acoustic communication system having wireless energy collection capability. In said method, an underwater acoustic transducer array is prov...  
WO/2020/201219A1
The method and system for access control, comprising detecting, by the electronic lock a tactile action by a body on a tactile sensor. The electronic lock transmitting a first signal using very low frequency band in response to said dete...  
WO/2020/201818A1
A method for transmitting information across a water-air interface with a ultraviolet (UV) beam (230), the method including emitting (1100) the UV beam (230) in a first medium, with a first optical wireless communication device (210); me...  
WO/2020/204849A1
The present invention relates to an underwater communication system that is capable of increasing data transmission through the visible light between the surface and underwater of the swimming pool and an underwater communication method ...  
WO/2020/163951A1
The present application provides an apparatus comprising a radio frequency identification (RFID) sensor comprising: an antenna configured to receive an interrogation signal from a reader and to transmit a response signal to the reader; a...  
WO/2020/163482A1
Systems, methods, and computer-readable media are disclosed for secured intrabody networks and interfaces for IoT and ultrasound wideband. Example devices may include a wearable device in contact with a surface of a human body, the weara...  
WO/2020/155064A1
Provided are an information transmission method, a communication apparatus, a portable device and a communication system. The method is applied to a portable device, and the method comprises: receiving and/or sending information in an el...  
WO/2020/149905A1
A communication system includes a repetitive orthogonal frequency-division multiplexing ("ROFDM") transmitter communicating with an ROPDM receiver. The ROFDM transmitter includes an ROFDM modulator, which includes a K-point Fast Fourier ...  
WO/2020/145940A1
Transmitting and receiving mud pulse pressure waves at a downhole device. The mud pulse pressure waves may be transmitted from a surface mud pulser and/or by a downhole mud pulser to a downhole device. The mud pulse pressure waves may be...  
WO/2020/145015A1
This work movement ascertaining system comprises a communication terminal worn by a worker, one or more tags capable of communicating with the communication terminal, and a processing unit. Said one or more tags correspond respectively t...  
WO/2020/145014A1
A work dynamic ascertainment system comprising: a communications terminal worn by a worker; at least one tag capable of communicating with the communications terminal; and a processing unit. The at least one tag corresponds to at least o...  
WO/2020/137404A1
A conductor layer (100) is electrically conductive and comprises a first mesh region where apertures (120) are formed in a mesh shape. A conductor layer (200) is electrically conductive and comprises a second mesh region where apertures ...  
WO/2020/128035A1
The invention relates to a method for transmitting at least one message between a first electronic device (3a) of a first user and a second electronic device (3b) of a second user by way of a timepiece (100), comprising the following ste...  
WO/2020/128356A1
The invention concerns a method for recognising a user whose body is capable of re-transmitting an electromagnetic signal (A) in the form of an electromagnetic wave (R). The method is implemented on a transceiver device (M), and comprise...  
WO/2020/113462A1
The present invention relates to the field of underwater acoustic communication, relates to a chaotic sequence-based 5G multi-carrier spread spectrum underwater acoustic communication method, and relates to generalized frequency division...  
WO/2020/113464A1
The present invention relates to a 5G multi-carrier (generalized frequency division multiplexing) underwater acoustic communication method, belonging to the field of acoustic communications and relating to generalized frequency division ...  
WO/2020/109639A1
The invention relates to an underwater detection system and method, which comprises: (a) a first underwater unit which comprises, in turn: (a.1) a high-frequency active and passive sonar (4) which is placed under the water in a stationar...  
WO/2020/105446A1
This biological body signal detection circuit of one embodiment is provided with an analog circuit that samples, at the same frequency as the frequency of a hum-noise, the differential amplification signals of two electrodes at least one...  
WO/2020/092784A1
Techniques for facilitating communication between an implantable medical device and an external device are provided. In one example, a method comprises broadcasting, via communication circuitry of an implantable device, a first set of ad...  
WO/2020/078842A1
An on/in-body communication system (10) is described that may include a peripheral, (such as, for example portable, unit (12)) and body-mountable unit (20). The peripheral unit and body-mountable unit may communicate via body-coupled aco...  
WO/2020/061833A1
The present invention relates to a method for reducing the peak-to-average ratio of a multi-carrier underwater acoustic communication system by using an improved companding transform at a receiving end, and aims to prevent the orthogonal...  
WO/2020/061835A1
The present invention relates to an improved companding transform method for reducing peak-to-average ratio (PAPR) of an orthogonal frequency division multiplexing (OFDM) underwater acoustic communication system, and aims at avoiding inf...  
WO/2020/058374A1
A communication system comprising a communication unit having a local wireless communication mechanism, a remote wireless communication mechanism, a processor, and a power supply; and, at least one of a sensor unit having a sensor mechan...  
WO/2020/053732A1
Electric power generator of the energy harvester type, acoustic reception/transmission unit and water supply network comprising a communication network by means of acoustic transmission. The electric power generator of the energy harvest...  
WO/2020/050183A1
Provided are an underwater communication device and an underwater communication method that can be applied to underwater mobile communication. The underwater communication device 10 is provided with a transmitter 12 which emits an electr...  
WO/2020/044583A1
A communication circuit (320) generates a clock signal which is a digital signal corresponding to a serial clock and a data signal which is a digital signal corresponding to serial data to be transmitted. A modulation circuit (330) gener...  

Matches 1 - 50 out of 2,564