Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 2,546

Document Document Title
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...  
WO/2020/035493A1
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/2020/032701A1
Disclosed is an HBC device for an NFC signal, comprising: a first communication unit approaching a body so as to receive a first NFC signal from an NFC reader through the body; and a second communication unit for transmitting a signal to...  
WO/2019/222772A1
A method of communicating through the earth which includes the steps of using a digital pulse train to generate a sweep pulse train which controls the frequency of a magnetic field at a first location, and at a second location, detecting...  
WO/2019/211997A1
This communication device is provided with a receiving unit, a determination unit and a band control unit. The receiving unit receives a wireless signal which includes signals of multiple, mutually different communication systems. On the...  
WO/2019/206740A1
The invention relates to a novel method for operating a transmitter of an underwater communication device. The method is to be designed such that a transmitted message can be received correctly by another underwater communication device ...  
WO/2019/187607A1
Provided is an underwater communication device capable of improving data transmission efficiency under water. The underwater communication device communicates data under water with another underwater communication device having another f...  
WO/2019/168493A1
Disclosed herein is a method of rapid exchange, storage and update of electronic contact information that assumes interaction of several elements, one of possible variants of implementations of which is the electronic cloud business card...  
WO/2019/167578A1
This communication device is provided with: a communication circuit unit which receives, during at least one intermittent waiting period, a first connection request signal transmitted, from a communication partner device regularly perfor...  
WO/2019/129443A1
A method and apparatus is described comprising: receiving or generating a signal for transmission, wherein the signal for transmission is based on an input signal; and converting the signal for transmission into a variable magnetic field...  
WO/2019/123955A1
The present invention provides a data communication device capable of obtaining stable communication quality. This data communication device (11) comprises a wearing surface and an outer surface on the opposite side to the wearing surfac...  
WO/2019/115997A1
The invention relates to the field of Free Space Optics (FSO), more specifically it is directed to: a method of obtaining a connection between at least two optical signal nodes, of a FSO, communication system each node comprising a trans...  
WO/2019/074654A3
A method and system are described for using different types of communication networks along one or more tubular members. The method includes constructing a communication network along one or more tubular members, which may access a subsu...  
WO/2019/105842A1
The present invention relates to a method for incorporating a battery module (10) of a battery stack (1) into a data communication (30) in the form of a data stream (31, 32) between a control unit (3) of a battery management system (2) o...  
WO/2019/105839A1
The present invention relates to a connecting device (1) for the data-communicating connection of a data communication (2) of a battery management system (101) in the form of a data stream (70) in a first battery stack (102) and a second...  

Matches 1 - 50 out of 2,546