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JPS6378288U |
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JPS62266485A |
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JPS62152284U |
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JPS62102187U |
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JPS62140088A |
PURPOSE: To enable continuous absolute measurement of gravity for a long period of time without trouble, by completely eliminating the complicated mechanism in a vacuum cylinder and freely dropping an optical element by utilizing only ce...
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JPS6223241B2 |
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JPS6275286A |
PURPOSE: To secure the perpendicularity of a gravity sensor without increasing the gravity of a gravimeter by deciding whether or not the gravimeter body slants from the perpendicular when it reaches the bottom of the sea, and vibrating ...
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JPS6210394B2 |
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JPS61256273A |
PURPOSE: To measure the absorption by earth's crust of a gravitational wave beam having a sufficient penetration force in the tomography thereof accurately with a sufficient practicability and economy, by using gravitational wave genera ...
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JPS61154552U |
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JPS6142228B2 |
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JPS61146700A |
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JPS6192891U |
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JPS6179182A |
PURPOSE: To secure safety and to reduce electric power consumption by outputting a pulse signal multiplying a reference signal at the time of impressing an intermittent signal and bringing out the output signal only for a period correspo...
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JPS6157439U |
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JPS6157440U |
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JPS6132168U |
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JPS60230080A |
PURPOSE: To perform a gravity measurement of good accuracy by transducing a temp. into frequency and by offsetting the fluctuation in frequency due to the temp. of oscillating circuit including a chord with the change due to the temp. of...
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JPS60161531A |
PURPOSE: To hold a container main body under vacuum and to make it possible to easily perform the re-use thereof, by forming a step part to the opening inner peripheral edge of the container main body and engaging a lid plate with the op...
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JPS60123640U |
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JPS6050476A |
PURPOSE: To make it possible to perform accurate measurement of gravity by preventing the variation of the wt. suspended from the lower end of a string even if a leaf spring receives temp. influence, by attaching the leaf spring connecte...
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JPS5918371Y2 |
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JPS5975277A |
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JPS58191932A |
PURPOSE: To obtain data in a short time, by measuring the beat of a reference signal having the same frequency increasing ratio as that of an interference fringe signal at estimated acceleration due to gravity and the beat of an interfer...
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JPS57201874A |
PURPOSE: To negate the operation of gravity, by establishing a simultated natural dropping movement toward the direction opposing to the gravity and forming the phenomenon of static collision with an objective. CONSTITUTION: When an equi...
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JPS5772066A |
PURPOSE: To measure a direction at a high sensitivity in detection for robot operation, by a method wherein a photoconductive part, which changes direction in accordance with the direction of an operating force, such as gravity, magnetis...
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JPS5719687A |
PURPOSE: To forecast effectively the occurrence of earthquakes by means of using a noninduction coil or a semiconductor element to transfer the mass wave into electric current. CONSTITUTION: A cross-type nonconduction coil B receives the...
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JPS5641822Y2 |
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JPS56114743A |
PURPOSE: To make it possible to perform an experiment on a Foucault pendulum in a schoolroom by reducing its scale, by putting the fulcrum of the pendulum in up- down motion by using a prescribed device with a signal which detects when t...
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JPS5635790Y2 |
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JPS5648068U |
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JPS54164173A |
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JPS54156686A |
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JPS54127373A |
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JPS54104777U |
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JPS54102079U |
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JPS5411717B1 |
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JPS542113B1 |
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JPS53119702U |
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JPS5395067A |
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JPS5353356A |
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JPS52105850A |
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JPS5268362U |
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JPS5050983A |
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JPS4948781B1 |
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JPS49107788A |
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JPS499782B1 |
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JPS4870753U |
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JPS4717659U |
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