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Matches 701 - 750 out of 1,828

Document Document Title
JP4339793B2  
JP2009225423A
To achieve downsizing, and reduction in weight and cost of a transmission device and a receiving device.The wireless communication system 1 is provided with a wireless transmission device 10 and a wireless receiving device 50. The wirele...  
JP2009224893A
To easily and safely authenticate the propriety of a user using a mobile terminal and to prevent unauthorized utilization by a third person in an electric field communication system using electric field communication of transmitting and ...  
JP4333475B2  
JP4326850B2  
JP2009200772A
To provide a communication apparatus for efficiently using limited frequencies usable for underwater communication.The underwater communication apparatus A(10A) includes: an electromagnetic wave transmission unit 20 for transmitting a fi...  
JP2007104598A5  
JP4308469B2  
JP2009519691A
[Means for Solution] A device for piercing through and carrying out data transfer of the boundary where a hull of a submarine or other contents were got blocked using an audible signal of the number of high frequency, and a method are pr...  
JP4257402B2  
JP4238264B2  
JP2009510401A
A sound method of a sound system and a device can be transmitted to a transmitting sound element of transmitting sonar array according to common 送 / receiving control signal, and a transceiver module receivable from a receiving sound e...  
JP2009055408A
To provide an underwater communication system for stably transmitting large capacitance data.The present invention relates to an underwater communication system for transmitting data to be transmitted from a first underwater device 101 t...  
JP2009003966A
To provide a method and a system for accessing information and/or data available on a wide area computer network (100), such as the Internet.A first modulated acoustic signal (A) is transmitted to a group of potential users each provided...  
JP4205977B2  
JP4205952B2  
JP2008306477A
To provide a modulation device, a demodulation device, a transmission system using the devices, and an acoustic signal transmission method which can perform synchronous processing for a data signal without using a carrier frequency for a...  
JP4197872B2  
JP2008544228A
A monstatic sodar system using long chirps and send-while-listening techniques employs transmitter-receiver pairs (Tw, Rw; Tv, Rv; Te, Re) that have coincident main lobes (Twm, Rwm; Tvm, Rvm; Tem, Rem). The system uses digital time domai...  
JP2008259191A
To provide a signaling system which can be used to update the prices of goods which are electronically displayed on supermarket shelves.The signaling system comprises a first signaling device having an input terminal for receiving electr...  
JP4164539B2  
JP4161020B2  
JP4152041B2  
JP4146188B2  
JP2008199413A
To broaden the communicable range of a diver who uses an ultrasonic underwater communication machine.This radio repeater 40 (40A and 40B) for relaying the wireless radio wave communication machine 10 and the ultrasonic underwater communi...  
JP2008531984A
The signal transfer, the position sensing device, and its directions for use for the individual in the sea. The signal transfer for the individual (1) in this sea, and a position sensing device, The individual (1) in the sea carries and ...  
JP4110180B2  
JP2008129078A
To provide an information providing system capable of clearly separating coded information from other sound (source sound) such as music and voice, even when the source sound exists and sound of the information and the source sound are s...  
JP4090656B2  
JP4087253B2  
JPWO2008050694A
It is a sheet body for the purpose of providing the transmission systems which are suitable for transmission of mass information rather than a cable or an optical fiber, and can moreover perform combination with a transmission way and el...  
JP2008028444A
To provide a passive ultrasonic tag and an ultrasonic reading system capable of recording and reading information by utilizing an ultrasonic wave for transmission and reception in a more simplified way for more maintaining reliability.Th...  
JP2008503171A
The LOVA strike underwater communications system for communication between an audible signal transmitter and the audible signal receiver arranged at remoteness is offered. The transmitted data is carried by two or more symbols, and each ...  
JPWO2005086393A1
上位電子機器101から伝送される電気信号 を上位送信器141が超音波信号に変換して 発信すると、その超音波信号が第1通信媒体 146により下位受信器142まで伝送...  
JP2008005541A
To transmit information with an audible sound waves, based on a level which is not unpleasant to the sense of hearing of human beings, and to improve the bit rate of transmission information.A modulation device 4B is provided with an aco...  
JP2007323391A
To provide a method for configuring a submarine sensor network, in which sensor data of a submarine sensor can be easily and stably acquired, and an essential part of the submarine sensor can be surely recovered. The submarine sensor 1 d...  
JP4003672B2  
JP3998287B2  
JP2007228299A
To raise the transmission speed compared with that using a piezoelectric element for generating compressional waves, and to improve the quality of the data transmission. A data processor circuit 10 generates transmission data and reads t...  
JP2007228175A
To suppress the generation of receiving errors in the transmission/reception of acoustic signals. The acoustic signal transmission system which is a system for transmitting information by acoustic waves is provided with a modulation devi...  
JP3966089B2
To provide an underwater communication system in which communication stability is improved and a communication velocity is accelerated by suppressing an influence of reflection or the like of acoustic signals on a propagation path. A rec...  
JP2007200072A
To provide an IC tag system which is highly versatile and highly precise in recognition. This reader is provided with: an ultrasound signal transmission means having an ultrasound generating means; an ultrasound signal receiving means eq...  
JP2007184860A
To provide a digital transmitting device whose transmission delay is very small by using an ISM band and which transmits a highly reliable digital signal at high speed.A plurality of transceivers 216a1 to 216an of an ISM band with differ...  
JP2007174420A
To provide a data transmission apparatus in which a wireless signal reducing dullness in rising and falling can be sent and a frequency-modulated wireless signal can also be sent in simple circuit configuration.A data transmission appara...  
JP2007174421A
To provide a remote controller capable of preventing an apparatus to be controlled from being erroneously operated caused by a reflection wave or external noise.A remote controller is provided with: a transmission circuit section 2 which...  
JP2007166472A
To provide a rescue requirement communication system in which each of members of a team in charge of work such as fire fighting or life saving can require a speedy relief to nearby another member of the steam if falling into any urgent s...  
JP3935848B2
To make an ultrasonic transducer reducible in cost and improvable in performance. This transducer is provided with a transduction circuit 2 for transducing an ultrasonic wave U into a high-frequency electric signal Zi, a local oscillatio...  
JP3934223B2
To improve safety in diving by informing a body or a leader of diving data, such as residual pressure, or residual divable time. This diving computer is provided with an ID holding part 15 for setting ID data which meets another device i...  
JP3929299B2
To enhance transmission velocity of acoustic communication. A transmitter 1 performs both or either of amplitude modulation based on transmission information and phase modulation, and modulation by a signal which shows a window function,...  
JP2007104598A
To transmit information with audible sound waves based on a level that is not uncomfortable for human hearing sense and to improve the bit rate of transmission information.A modulation apparatus comprises a modulation section 51 in which...  

Matches 701 - 750 out of 1,828