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JP2000183828A |
To desirably decrease the number of components of a communication system, used for small-sized electronic equipment, so as to facilitate the electronic equipment main body small-sized and lower the cost secondarily and to lower the power...
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JP3057039B2 |
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JP2000115384A |
To allow a resident to reply a call from an intercom slave set from a place apart from an interphone master set.When a visitor at an entrance depresses a call button 23 of an intercom slave set 2, an interphone master set 3 detects the c...
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JP2000115387A |
To make the scale of the system small by minimizing power consumption of a curl-cordless handset of the system and avoiding interference between transmission and reception signals.Transmission from a master set main body 3 to a curl-cord...
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JP2000115386A |
To provide an intercom system with which a video signal is transmitted to a cordless handset and the cordless handset transmits a control data signal.A cordless handset of the intercom system is provide with an ultrasonic wave reception ...
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JP2000083908A |
To provide a home health control network device capable of omitting wiring construction between different rooms. Health data measured by a urine analyzer 26 and a hemomanometer 28 arranged in the specific room space 16 of a house is sent...
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JP3013284B2 |
PURPOSE: To make it possible to surely operate an emergency cutoff valve even from the tip side of a high pressure hose at the time of feeding liquid fuel or gas fuel from a tank rolly vehicle. CONSTITUTION: This fluid feed interrupting ...
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JP2000050387A |
To make it possible to use high frequency carrier by providing ultrasonic transducers for radiating ultrasonic wave signals and a means for applying a modulated carrier to respective transducers. The system is provided with a transducer ...
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JP2000031917A |
To allow the system to be easily used without giving adverse effect on surrounding devices and limitation on a received place and with immunity to noise. In the case of depressing, e.g. a command button 101 of a command device, the comma...
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JPH11355219A |
To enable communication and data transmission with equipment moving underwater to be performed over a wide range without using an obstructive cable for a long distance underwater. An air layer forming member 1A is installed in the water,...
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JPH11248823A |
To provide a generation apparatus, for a tone burst signal, in which distorsion of a waveform is small even when a pulse width is reduced and even when the wave number of carrier waves which are contained substantially in the pulse width...
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JP2937195B1 |
[wrap up] [Task] Provided are a transmission / reception system that can be simply and easily configured by using an acoustic transmission line and that can avoid impairing comfort in use, a receiver, a transmitter, an information record...
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JP2938329B2 |
PURPOSE: To monitor accurately an inclination or a depth of an underwater work apparatus without relying on a length of a suspending wire of the apparatus or without laying down a sensor cable. CONSTITUTION: An X axis directional inclina...
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JP2931873B2 |
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JPH11205203A |
To maintain and improve health, to improve beauty and also to contribute to the progress of a medical technology by performing information communication of self-information of an object to another object through waves, making self-inform...
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JPH11157446A |
To suppress the attenuation of elastic waves between a moving body and a track by storing at least one of a transmitting vibrator and a receiving vibrator of the elastic waves in an outer periphery section so that the vibrator is allowed...
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JPH11145915A |
To provide a directional ultrasonic loud-speaker device with which an audible signal can be transmitted only to the extremely limited far area. While using one ultrasonic sound source generated from an ultrasonic signal generating means ...
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JPH11119974A |
To enable the transmission of a uniform resource locator(URL) between non-connected equipment by superimposing the URL on an acoustic signal and transmitting it as the acoustic signal. A keyboard 1101 supplies an URL to be transmitted to...
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JP2881391B2 |
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JPH1174848A |
To provide an underwater communication equipment by which accurate intention is contacted with a simple operation regardless of a remote distance. The communication equipment is provided with entry sections (f1)-(f10) that enter transmis...
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JPH1168628A |
To provide a local information service system by which information relating to an information object such as a required exhibition is obtained as an audio, image or their combined information without the need of troublesome operation suc...
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JP2865627B2 |
An apparatus for accurately transmitting and receiving acoustic waves indoors is provided. The apparatus contains a microphone, a speaker, a processing circuit, a first amplifier, a second amplifier, and a power control circuit. The micr...
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JP2867149B2 |
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JPH1145474A |
To constitute a control system for remote controlling a receiving means according to a control command by outputting an acoustic signal to be transmitted and an acoustic control signal generated with an acoustic control signal generation...
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JPH1146342A |
To transmit a program information as acoustic information signals together with the acoustic signals by multiplexing the acoustic signals to be transmitted with the acoustic information signals which are according to the program informat...
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JP2855763B2 |
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JP2851874B2 |
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JP2851005B2 |
Device for focusing an ultrasonic beam in three dimensions, comprising: - a cylindrical phase bar (100) of generatrix X'X, comprising MxN elemental transducers arranged in a curved matrix of M lines parallel to X'X and N curved columns p...
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JPH10322291A |
To prevent other party from intercepting conversation of people in the vicinity of a voice data link by allowing the receiver to have a processor that converts a voice signal having transaction data into an electric signal and extracts t...
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JPH10301707A |
To provide a method and system for controlling the display device of a data processing system using first and second radio position controllers and a control base device. A first radio position controller 101 is provided with an acoustic...
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JPH10285123A |
To make the size of the underwater communication equipment small in size and light in weight by reducing power consumption of a power amplifier thereby miniaturizing a power supply unit small. A transmission signal converted into an SSB ...
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JPH10271576A |
To provide a remote commander control system in which a remote commander surely controls a controlled device even when the direction of the controlled device controlled by the remote commander differs or a distance between the remote com...
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JPH10253602A |
To enable the highly accurate detection of raindrops by computing the amount of changes in the amplitude of elastic waves and prforming determination by comparing it with a predetermined value. A transmitting element 3 and a receiving el...
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JP2789592B2 |
PURPOSE:To periodically obtain the supervising information of an underwater structure even when a shape to supervise underwater is not always near the under water structure by setting a supervising device in the bottom of the sea, storin...
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JP2783247B2 |
To position a search part with the best depth of sound wave propagation characteristics at all times by transmitting a sound signal between a flotating part and the search part and controlling a float according to a measurement taken by ...
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JPH10197295A |
To provide an alarm, report, monitor and observation system operating at all times principally to observe sea bottom earthquake, to monitor and observe the underwater and water bottom state, to notify a vessel on the ocean of the presenc...
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JPH10190531A |
To perform excellent communication in the transmission line of large reverberations by performing the conversion of y=f(x) to input signals (x) and obtaining output signals (y). A microphone 9 receives signals sent from a speaker 7 and t...
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JPH10163929A |
To prevent degradation of equalization ability without being affected by noise components. The noise components in a reception band are extracted by a BPF 90 and the reception level of the noise components is analyzed at all times in a d...
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JP2757366B2 |
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JP2754836B2 |
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JPH10122796A |
To improve reliability of a communication between constituents of individual harnesses by providing a plurality of electric constituents for a mutual communication, and constituting at least part of the constituents by an ultrasonic osci...
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JPH10104361A |
To exactly distinguishing the contents of various reflection wave and detect the existence of the object even in the bad conditions of underground car park which tends to generate multiple reflection wave by detecting the existence of th...
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JPH1081297A |
To provide an underwater information recovering and relaying method by which positional information of an underwater sailing body and observed data in the underwater sailing body can be transmitted in real time. The relative positional d...
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JPH1079708A |
To reduce the equipment cost and to perform maritime observation in a narrow region by providing plural secondary stations under the control of primary stations and permitting the primary stations to execute communica tion relay between ...
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JP2724458B2 |
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JP2720834B2 |
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JPH1041883A |
To transmit information contained in signals along a road by installing plural modules along the lane of the road at intervals, receiving input signals and transmitting output signals through respective reception parts and transmission p...
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JPH1041881A |
To transmit information contained in signals along a road by installing plural modules along a road lane at intervals, receiving input signals through respective reception parts and transmission parts, and transmitting output signals. A ...
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JP2703806B2 |
An ultrasonic fire detector comprises an elongate ultrasonic waveguide (12), eg in the form of a wire, which is arranged to be strung around the area to be monitored for fire. An ultrasonic pulse generator (18) launches longitudinal ultr...
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JPH1010223A |
To provide a direction indicator for easily recognizing an arrival direction of a sound wave sensed by a sensor by a carrying person. In the direction indicator for indicating an arrival direction of a sound wave, a sensor part 10 has at...
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