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Patent Searching and Data


Matches 751 - 800 out of 1,838

Document Document Title
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...  
JP3897991B2
To provide a transmitting circuit which enables the suppression of the degrading of images obtained using harmonics generated in vivo or from contrast media by reducing the generation of the harmonics in the transmitting circuit for ultr...  
JP2007013413A
To provide a portable terminal and an emergency assist requesting method for notifying those around a user of his or her existence without feeling hesitant when such circumstances that the user is isolated from the outside world just lik...  
JP2007013925A
To provide a novel information providing system for providing various information items to terminals.The information providing system 1 associated with an embodiment disclosed herein comprises: a transmitter 10 that transmits various inf...  
JP2007013274A
To provide a novel information providing system for providing various information items to terminals.The information providing system 1 associated with an embodiment disclosed herein includes: a transmitter 10 that transmits the various ...  
JP2006340284A
To suppress loss of transmitting power at the time of realizing simultaneous transmission of information and power using the ultrasonic wave.The ultrasonic modulation transmitting circuit comprises a carrier circuit 21 for generating and...  
JP3855847B2
To provide a small-sized underwater sound source capable of transmitting a low frequency sound wave with a high sound pressure level and a sharp directivity. The underwater sound source includes: a sound source for transmitting a sound w...  
JP3834579B1
[Subject] It is an information service system for offering a variety of information to a terminal, and a new information service system is offered. [Solution means] The information service system 1 concerning the enforcement form of the ...  
JP3821666B2
To enhance the transmission rate of acoustic communication. A transmission section 1 applies either or both of amplitude modulation and phase modulation based on transmission information and modulation based on a signal representing a wi...  
JP3822224B1
A novel information providing system for providing various information to a terminal is proposed. The information providing system 1 according to an embodiment of the present invention includes a transmitter 10 for transmitting various i...  
JP2006217267A
To accurately conduct a submerged communication by ultrasonic waves even under a Doppler effect and the effect of noises.A receiver 1 receives a synchronous signal as a linear FM signal, a reference signal as a known sine-wave signal of ...  
JP2006217112A
To provide a method and a device for underwater sound transmission that are applicable to changes in state in a sea area with simple constitution and transmit data between a 1st point and a 2nd point disposed in water by using an underwa...  
JP3808678B2
To ensure transmission of an information signal in the case of handling multi-channel signals with respect to a technology employed for transmitting an audible tone signal and an information signal attended on it at the same time to a ma...  
JP2006111207A
To provide a phone call system capable of simultaneously solving three inconveniences of voice troubles due to a pressure-proof structure of a vessel with equipment necessary for phone call built therein, troubles of wearing a mouth mask...  
JP3753251B1
[Subject] It makes it possible to transmit phase information correctly towards a sound source part from a converter array part. [Solution means] A probe wave is transmitted to the converter array part 20 from the sound source part 24. In...  
JP2006507720A
[Subject] The equipment and the method for the data communications using [solution means] sound are indicated. The data coda constituted so that the equipment which transmits digital data might generally change digital data into the soun...  
JP2006033640A
To provide an ultrasonic transmitting/receiving apparatus capable of modulating and transmitting/receiving ultrasonic vibration with sounds via a metal plate, synthetic resin plate, metal rod, synthetic resin rod, metal wall, concrete, t...  
JP3733885B2
To provide an underwater communication system which allows an underwater station to reduce power consumption. A marine station 1 notifies the location information of the latitude and longitude of the marine station 1, which is obtained b...  
JP2005340906A
To provide a transmitter for sonar wherein the configuration is simplified and the reduction of a power loss is realized.The transmitter 10 for sonar is provided with: a load section 70 including a transformer 73 comprising a primary win...  
JP2005537757A
In the method of transmitting data, the present invention by the means of a sound wave between a transmitter (2) and a receiver (1) the above-mentioned transmitter (2), It has the 1st electricity sound transducer (26) which transmits a s...  
JP2005328319A
To provide an underwater communication system capable of performing stable and efficient communication by reducing influence of inter-code interference due to multiple reflection in water.Arrival times of a direct wave and a delayed wave...  
JP2005295378A
To provide an ultrasonic digital communication device that is a communication system utilizing ultrasonic waves and uses a wide-band ultrasonic wave generator and a receiver for transmitting and receiving ultrasonic waves that are subjec...  
JP2005279274A
To provide an ultrasound system in which sensitivity of an ultrasound probe is enhanced and a diameter of the probe as well as probe temperature is kept at a desired level.An ultrasound system includes an ultrasound probe configured for ...  
JP3702975B2
To surely perform ultrasonic communication by utilizing non- compressible fluid inside a pipe without enlarging the flow resistance of water so much even when the energy of ultrasonic waves for performing transfer with the water is enlar...  
JP2005269378A
To provide a marine information providing buoy for underwater which can offer marine information to an underwater ship sailing underwater or the like and can be configured more easily.This marine information providing buoy for underwater...  
JP2005528158A
The present invention relates to the method for generating the target wave field decided beforehand in a certain environment using the first transducer (T1*Tn) network. First, the approximate value of the signal ei (t) is generated from ...  
JPWO2005086393A
If higher rank transmitting machine 141 changes into an ultrasonic wave signal the electric signal transmitted from higher rank electronic equipment 101 and sends it, the ultrasonic wave signal will be transmitted by the 1st communicatio...  
JP2005244262A
To provide an ultrasonic transmission device capable of efficiently transmitting an ultrasonic wave generated from a large-diametric vibrator to a flexible transmission line (fine diameter fiber).In the transmission device 10, the base 1...  
JP2005522921A
The transceiver (101) built into the equipped type security clock (100, 200) and PDA which realize the function based on various wireless ultrasonic frequency and/or radio frequencies including discernment of property, an individual, a p...  
JP2005193036A
To protect a sensitive low voltage electronic circuit from high voltage pulse signals used for driving an ultrasonic transducer.This low voltage transmit/receive switch (14) includes a series resistance (24) and a parallel MOSFET pair (M...  
JP3668402B2
To provide a voice reaction type machine having a communication means satisfactory for both the machine and a human being in a communication space, where the machine and the human being coexist, concerning the voice reaction type machine...  
JP3626651B2  
JP2005020296A
To remotely monitor the flow direction and the flow rate in water service piping networks and city gas supply piping networks and to remotely control the control valves in the piping networks.A system is provided with the water service p...  
JP3606417B2  
JP2004531939A
[Subject] The digital underwater communication apparatus and method which solved the Doppler effect and two or more course propagation are offered. [Solution means] It is classified into digital underwater transmission by continuation of...  
JP2004283477A
To divert a return signal out of a linear operation range of a variable resistance circuit when the level of the return signal is large in controlling the gain in a preamplifier of an ultrasonic diagnostic apparatus by transmitting the r...  
JP2004282157A
To provide a tone switch easily assembled with a unit at its manufacture and capable of effectively using an area in the unit even when many of the switches are located in the unit equipped with many functions.In the tone switch adopted ...  
JP2004528773A
[Subject] The digital underwater communication apparatus and method which solved the Doppler effect and two or more course propagation are offered. [Solution means] A subcarrier modulates electrically for underwater transmission and a di...  
JP2004527968A
Since at least one remote virtual speaker position is partially generated in combination with a sound speaker in relation to reflexible environment (12, 13, 14, or 15) at least, The system for generating many sound effects containing the...  
JP2004219377A
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 oscillation...  
JP3547459B2
PURPOSE: To realize a three-dimensional picture display system in which the perspective state of a three-dimensional picture displayed on a computer monitor can be changed like a person views an object. CONSTITUTION: A transmission modul...  
JP3540715B2
To provide an underwater propagation signal receiver, capable of obtaining sufficient amplification factor without causing oscillation, also detecting a signal that is about to be buried in noise and also reliably discriminating the exis...  

Matches 751 - 800 out of 1,838