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Matches 151 - 181 out of 181

Document Document Title
JP05289683
PURPOSE: To prevent the approach of moths and to facilitate the cultivation of non-chemical vegitables by radiating the cry of a bat. which is artificially generated. CONSTITUTION: A clock signal generating circuit 11 generates a 1st clo...  
JP04332499
PURPOSE: To prevent invasion of underwater organism in a water intake channel by an electric screen securely, achieve safety to human beings prevent generation of troubles in intake by garbage or the like. CONSTITUTION: Recessed parts 5 ...  
JP04329300
PURPOSE: To effectively prevent water life from entering into a water-intake passage by using an electric screen. CONSTITUTION: Rod or plate electrodes 3 in parallel, in stages and in opposition are arranged on the wall faces 2 on both s...  
JP04215365
PURPOSE: To generate a high sound wave evaded by insects and worms such as a cockroach when no electronic buzzer is rung according to a proper purpose by assembling a simplified electronic buzzer driving circuit in existing facsimile equ...  
JP04194110
PURPOSE: To prevent the accumulation (or adhesion) of organisms by a method in which linear, netted, needle-like, or bar-like electrodes are set in a ring form on the surrounding of a organisms antifouling area near the water surface of ...  
JP03098521
PURPOSE: To obtain a benthos blocking equipment which does not injure benthos without requiring labor to maintenance by constituting the aimed equipment so as to lay two or more electrodes whose upper parts are covered with a water perme...  
JP03076520
PURPOSE: To eliminate need of exchanging a submarine electrode by laying the submarine electrode for intercepting swimming of fishes and shellfishes in the seabottom therein, providing a counter electrode forming a pair with the submarin...  
JP03076521
PURPOSE: To prevent a leaking phenomenon from occurring in an electric field due to a voltage applied to both electrodes and form a barrier excellent in electric power efficiency by arranging a covering electrode opposite to a subaqueous...  
JP03059798
PURPOSE: To suppress the invasion of animate nature into the inside of an invasion interrupting part by electric stimulation by allowing a conductive liquid to flow between 1st and 2nd electrodes by a flowing means and impressing voltage...  
JP03058723
PURPOSE: To interrupt swimming of fish and shellfishes to inward and outward of fixed sea area by providing plural supporting piles surrounded with plural electrode rods in seawater and forming electric field between electrodes. CONSTITU...  
JP02197097
PURPOSE: To enable fresh fish eggs to be obtained efficiently and safely by impressing voltage on fishes to brain death through a conductive needle and then gathering the fish eggs. CONSTITUTION: Fishes are placed on a conductive inner c...  
JP02100292
PURPOSE: To reduce the region where cultured fishes in a sea farm are electrically stimulated so as to make it possible to reduce the effect of its electric field on the cultured fishes without reducing the effect of preventing fishes ou...  
JP02100293
PURPOSE: To reduce its power consumption, by placing a plurality of electrodes at regular intervals and parallel to each other, and setting the ratio of the distance between adjacent electrodes to the length of each of the electrodes to ...  
JP02100291
PURPOSE: To make it possible to hold constant field strength between both electrode lines, by causing its control portion to control the output voltage of its electric source in response to a voltage raising or lowering command signal fr...  
JP02056899
PURPOSE: To form an electric screen in response to an artificial alga reef around the artificial alga reef by forming electrodes with a conducting substrate, an insulating cover and the exposed sections of the conducting substrate with n...  
JP02040896
PURPOSE: To inhibit fishery product from penetrating the raising area by providing two electrodes placed underwater, a shield conductor disposed therebetween and surrounding the raising area and a power source for generating electric scr...  
JP01274395
PURPOSE: To make it possible to prevent the adhesion of sea-organisms to the structure of a sea water channel by applying a very narrow high voltage pulse several times repeatedly to the sea water passing through the entrance portion or ...  
JP01273571
PURPOSE: To improve the preservability of various foods, by superimposing the output of a high frequency AC high voltage having variable high frequencies on a DC high voltage as a standard voltage and impressing the superimposed voltages...  
JP01253199
PURPOSE: To obtain a simple and easy electric screen by underwater electrode facility by applying different potentials to an underwater electrode provided at the bottom of water and a nozzle electrode for injecting liquid continuously fr...  
JP01253200
PURPOSE: To obtain an electric screen of a strong electric field by applying only a small voltage between electrodes by applying different potentials to a pair of electrodes provided in parallel in water to form an electric field, and mi...  
JP01248497
PURPOSE: To reduce consumption of an electric power for lowering cost by dividing an electric screen setting area to form each of the electric screens in only case of detecting fishes access to each electric screen setting area by means ...  
JP01248496
PURPOSE: To give fishes an electrical stimulation to the extent of taking a avoiding action without any damages to intercept the migration of fishes certainly by specifying the product of an electric field strength of an electric screen ...  
JP01248498
PURPOSE: To reduce electrical influences on adjacent facilities, buildings and, etc., by forming an electric screen intercepting what fishes and shellfishes go in and out so as to be arranged in the direction that plural electrode units ...  
JP01239799
PURPOSE: To achieve the recovery of a paralyzed fish and prevent a damage such as apparent death thereof by detecting the fish entering between electrode lines, which is paralyzed by an electric screen between the both electrodes and sin...  
JP01065682
PURPOSE: To count up the number of killed insects based on the causal relation between the invation of insects and the generation of electric discharge by detecting a discharged current through insects by means of an electric shock insec...  
JP63190693
PURPOSE: To prevent the fouling of aquatic organisms, by arranging an insulating pipe in a water flow pipe and mounting a high voltage pulse generator in the insulating pipe to apply a pulse. CONSTITUTION: Seawater flows from an intake p...  
JP62186989
PURPOSE: To prevent sticking of aquatic organisms by disposing plural plate electrode elements having electric field concentrating parts and non-electric field concentrating parts in a manner as not to hinder flow and impressing high-vol...  
JP62186988
PURPOSE: To prevent sticking of aquatic organisms by providing a grounded outside frame consisting of a conductive material and electrode part which is provided in the outside frame and consists of a high-voltage electrode in the flow of...  
JP62151174
PURPOSE: To enable the disintegration of bacterial cell, by filling a cell- containing solution between electrodes and imposing high-voltage pulse to the electrodes thereby exposing the bacterial cell to high electric field. CONSTITUTION...  
JP52040742
PURPOSE: Prevent the danger of a long time electrical shock when a man holds hand on the fence wire of the electrical ranch fencings generating the impact voltage repeatedly.  
JP51118909
PURPOSE: To get a transistor circuit for a constant-voltage circuit which keeps a load circuit out of a failure evevn if the power is supplied with its polarity erred.  

Matches 151 - 181 out of 181