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JP2003186500A |
To transmit transmission object information as sound through an input-output via interface of existing audio equipment that handles sound and to reproduce the transmission object information on the basis of the sound received by an infor...
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JP2003152656A |
To provide an underwater communication apparatus in which the presence of matter desired to report to a specific diver party can be surely messaged to the other diver by extremely simple operation as well as in an emergency, and further,...
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JP3408364B2 |
To precisely position a sea surface-side ultrasonic transceiver onto a measuring instrument on the sea bottom without setting a marking buoy by utilizing the communication between the sea surface-side transceiver held by a marine vessel ...
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JP2003514474A |
A connection for an underwater acoustics system connecting elements of an antenna embedded in a leaktight first block of the system and an electro-optical transmitter embedded in a separate leaktight second block of the system. The anten...
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JP2003110900A |
To provide a remote starter for system subdevice by which forgetting of turning on power supply can be prevented when a subdevice is used to send a signal through wireless communication and excessive power consumption be also suppressed ...
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JP2003087206A |
To provide an elastic wave communication device capable of performing long distance communication.A signal inputted from a signal input part 11 is sent from a sending part 13 as a signal using an elastic wave as a carrier. The signal sen...
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JP2003509628A |
A method and device for the transmission of control and/or sensor signals between an electronic control and/or data receiving means and a pneumatic device, which are connected together by means of a pneumatic line of flexible plastic mat...
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JP2003508701A |
A method and a device for the supply of electrical loads in or on a pneumatic device with electrical power energy. The pneumatic device is connected by way of a pneumatic line with a source of pressure. The transmission of power energy t...
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JP2003061193A |
To provide a piezoelectric vibrator that can transmit an ultrasonic wave with a high electromechanical coupling coefficient k33 and a high static capacitance and receive an ultrasonic wave with a frequency higher than that at transmissio...
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JP2003506918A |
A toy system is described in which a data signal is encoded using spread spectrum technology to form a spread signal which is combined with an audio track to form a modified audio track. The modified audio track is then transmitted as an...
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JP2003030092A |
To provide a method and a system for accessing information and data, which are available on a wide area computer network (100) such as the Internet.A first modulated acoustic signal (A) is transmitted to a group of users having portable ...
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JP3366811B2 |
An underwater communication apparatus is provided which enables safe and clear speech transmission. An exhalation pipe which defines an acoustic space for communicating with an interior space of a mouthpiece is connected at one end to a ...
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JP2002354059A |
To realize radio communication between near terminals with the properties of sound. Data is sent as tones by changing it depending upon data sending the composition of the frequency of overtone elements to distinguish it every one attenu...
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JP2002536031A |
A plurality of individual toys, at least a first one of which generates acoustic signals and at least a second one of which receives acoustic signals. When the second toy receives acoustic signals from the first toy, it responds, for exa...
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JP2002306476A |
To provide a circuit for generating a pulse wave and a continuous wave in which a pulse wave and a continuous wave is generated by a simple constitution and a common oscillator, and the whole apparatus can be miniaturized and lightened.A...
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JP2002271273A |
To communicate a message between the body and the traveling body inside a metal-shielding wall.A radio transmitter 11 and a radio receiver 12 are installed on the body side are installed within the body 1, and the radio transmitter 11 an...
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JP2002527926A |
A plurality of individual toys, at least a first one of which generates acoustic signals and at least a second one of which receives acoustic signals. When the second toy receives acoustic signals from the first toy, it responds, for exa...
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JP2002527012A |
A smart card comprising: a memory for storing information; at least one transmitting or receiving antenna; and a low frequency circuit, for handling information associated with said antenna and said memory, which information is modulated...
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JP3315496B2 |
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JP2002525961A |
A method for providing multiple speaker locations around a listener in a room with a sound source at a single location. The method comprising the steps of a) generating primary audio output by emitting audio compression waves from audio ...
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JP2002525662A |
An open-loop delay contour estimator (204) generates delay information during coding of an information signal. The delay contour is adjusted according to an error minimization criterion on a subframe basis, which allows a more precise es...
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JP3311484B2 |
PURPOSE: To easily retain an electric wave signal and to surely transmit it over a long distance by transmitting the electric wave signal obtaining a large excitation acceleration with a small amplitude due to magnetostriction phenomenon...
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JP2002217839A |
To provide a communication system, where new electromagnetic waves do not have to be allocated and which suppresses an influence given to a human body and also uses an elastic wave capable of utilizing all kinds of daily objects existing...
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JP2002190779A |
To provide a simple type underwater communication equipment using sound frequency instead of an expensive underwater communication means utilizing ultrasonic waves and frequency used hitherto.Sound collected by a microphone 3 is amplifie...
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JP2002181618A |
To provide a fishing ground watcher for detecting a doubtful ship (a poaching boat) for preventing poaching and reducing damage by the poaching.The approach of the doubtful ship can be detected by detecting a ship sound by watching a sea...
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JP3274657B2 |
To provide a mobile body search/confirmation system, and a searcher device and mobile body device capable of easily searching for and confirming the mobile body without causing trouble for others. This mobile body search/confirmation sys...
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JP2002057631A |
To provide a submarine communication network system which can provide communication at an arbitrary place under sea level.A sound communication transmit/receive section 30u is provided on the sea to transmit and receive a sound signal, a...
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JP3249312B2 |
PURPOSE: To improve the efficiency of transmission and to extend a transmission distance by resonating an elastic wave signal generated by supplying an exciting current to a magnetic distortion element based upon underground information ...
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JP2002009709A |
To provide an underwater communication system for gathering underwater data in real time.The underwater communication system includes transmission reception stations 3 each of which transmits/receives an underwater sound wave signal and ...
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JP2001526514A |
Remote energy supply process and system for an electronic information carrier. Known processes and devices do not allow supplying energy wirelessly to an information carrier arranged inside a thick-walled and/or metallic body because ene...
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JP2001333023A |
To reduce the number of ultrasonic wave transmitter-receivers in the case of break inspection, etc., of a traveling route by reducing the attenuation of elastic waves in the rout and making the transmission range of the elastic wave long...
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JP2001523904A |
The invention relates to a display element with an energy source having a display and a processor/memory. The energy source supplies energy to the display and the processor/memory, and the processor/memory can display data via the displa...
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JP2001313615A |
To provide an electronic device which can perform a data communication with a simple circuit and in which durability and waterproof are not restricted.An electronic clock 10 is constructed by adding an AND circuit 12 for outputting a log...
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JP3222653B2 |
PURPOSE: To set better time side lobe by using FM chirp signal. CONSTITUTION: In an apparatus for transmission of ultrasonic waves by dispersion and compression, a measure for creation of wave sending signals 11 which creates double apod...
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JP2001295885A |
To obtain a sufficient vibration intercepting effect by preventing a vibration control effect from being lowered because a rubber vibration isolator is deformed and hardened by receiving influence from a pressure under a hydraulic pressu...
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JP3188893B2 |
PURPOSE: To transmit the ultrasonic waves to an optional place in terms of a spot by preventing the leakage of the ultrasonic waves to the outside gas or liquid and reducing the influence of an external environment and the attenuation. C...
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JP3183232B2 |
To enhance a wave transmission drive efficiency by effectively emitting a sound wave. The proposed transmitter is provided with an inner cylinder sheath 7 having an air layer B in the inside by closing both ends and with an outer cylindr...
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JP2001508265A |
A signalling system is provided which can be used to update the prices of goods which are electronically displayed on supermarket shelves (1). The signalling system comprises a first signalling device having an input terminal for receivi...
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JP2001148670A |
To provide a signal transmission method capable of transmitting other information signals to a machine (device to be controlled by the information signals or communication equipment) simultaneously with sound audible to humans, animals a...
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JP2001136114A |
To provide an underwater communication demodulator that can conduct stable demodulation even under complicated behaviors of a carrier wave phase error because a carrier phase error fluctuation caused by a Doppler shift is high. The under...
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JP2001100772A |
To realize two-way communication by using a sound generator circuit provided with a piezoelectric vibrator as an acoustic wave receiver. A sound generator circuit 22 provided with a piezoelectric vibrator P3 is provided with a means whic...
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JP3137642B2 |
PCT No. PCT/DE90/00876 Sec. 371 Date May 13, 1992 Sec. 102(e) Date May 13, 1992 PCT Filed Nov. 14, 1990 PCT Pub. No. WO91/07818 PCT Pub. Date May 30, 1991.A surface-wave filter in which the acoustic wavepath is reflected in order to redu...
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JP2000348281A |
To obtain an information guiding device, a positional information signaling device, a receiver and an information guidance system which can notify a user such as a vision-impaired person of the distance and direction to the information g...
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JP3116881B2 |
To provide a submarine acoustic data communication method which attains improvement of transmission efficiency and power saving. Submarine acoustic data transmission equipment 10a is composed of a transmitter/receiver 11a, MODEM part 12a...
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JP3109006B2 |
PURPOSE: To obtain the method for transmitting ultrasonic power which can transmit the ultrasonic like a spot with decreased attenuation, lessens the attenuation even in a region of high frequencies and allows the transmission with the d...
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JP3109007B2 |
PURPOSE: To prevent the generation of noises as far as possible and to allow the transmission of an ultrasonic wave efficient as a signal by limiting the reflection in the transmission stage of the ultrasonic wave at the time of transmit...
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JP2000514971A |
The present invention is the emission of new sonic or subsonic compression waves from a region resonant cavity or similar of interference of at least two ultrasonic wave trains. In one embodiment, two ultrasonic emitters are oriented tow...
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JP2000278223A |
To attain 2-way radio communication between divers underwater or between a person on land and a diver under water through the user of a sound wave. This diving purpose radio communication unit comprises a microcomputer 2, a key entry sec...
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JP3082299B2 |
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JP2000224687A |
To provide a recording medium which records the audible band signal of sharp directivity, and a compact and inexpensive signal transmitter capable of reproducing the recording medium and discharging the audible band signal in simple conf...
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