PURPOSE:To improve the rotating efficiency of a wind mill by forming an inner wind tunnel structure into a double wind tunnel structure so as to allow each of two air flows to be joined together for blowing off stagnation generated behind the wind mill. CONSTITUTION:An inner wind tunnel structure 6 is provided rotatably within an inner circumference of an outer wind tunnel structure 1 so as to for...

PURPOSE:To prevent generation of spark due to corrosion breakage of a strap. CONSTITUTION:A lead-storage battery is formed such that at least one of lugs 4, 5 of positive and negative electrode plates 1, 2 is held by a comblike cut part of an electrolyte-retaining comblike porous member 12 which is arranged on the rear face of a strap 6 to be in contact therewith. Generation of spark upon brakage ...

PURPOSE:To manufacture a negative plate whose performance is by no means inferior to the performance of the previous ones, which is good in life performance. CONSTITUTION:In the negative plate for lead storage battery, the content of lead sulfate in the charging state immediately after manufacture is 0.4% or more and the half-value width 2theta of a peak recognized near 25.5 deg. at the time of X-...

PURPOSE:To eliminate a useless space in a sealed lead-acid battery and make the structure compact by using an electrode plate having the form in which an electrode plate ear is provided at one corner of a rectangular electrode plate, and a notch part at another corner. CONSTITUTION:Positive and negative electrode plates each of which has an electrode plate ear at one corner of a rectangular electr...

Red blood cells being salvaged are centrifuged into a liquid layer, mixed with a wash solution, and thereafter separated therefrom.

Procédé de fabrication par colaminage de barres d'un acier moyennement ou fortement allié avec un acier doux.
Il comporte des mises (1) constituées par des aciers alliés obtenus par la métallurgie des poudres et dont on a conservé la gangue (5) de compactage.

PURPOSE:To improve the pasting accuracy of a bead filler by a method wherein the bead filler is cylindrically wound round the outer peripheral surface of a bead core by pasting the thin-walled protruded part of the bead filler onto said surface and the top of the bead filler is raised by expanding a bladder so as to bond the bottom face of the bead filler to the thin-walled protruded part in order...

A power line disturbance (PLD) detector circuit includes a digital counter which is driven by pulses provided by a clock in an associated data processing system. The PLD detector circuit includes a comparator amplifier for comparing primary AC power to a DC reference voltage on a cycle-by-cycle basis. The amplifier generates a reset pulse once during each AC cycle as long as the AC voltage exceeds...

PURPOSE: To facilitate the manufacture of a flexible superconducting wire having very many filaments. CONSTITUTION: In a method for manufacturing a superconducting body constituted of very many single core filament rods 10 having a circular cross section, the following process is included that plural single core filament rods 10, having a circular cross section, are incorporated into the inner sid...

In the automatic control of a motor vehicle friction clutch (1), the clutch is disengaged when the vehicle is stationary and thus, despite the fact that the engine (3) is running and the gear is engaged, the driver can leave the vehicle. In the case of a fault of the clutch system causing engagement of the clutch, the vehicle may set itself in motion. This is prevented by an arrangement in which, ...

An interactive communication device for facilitating management of purchases of a repetitive type made by individuals or certain companies is characterized in that the constitutive equipment comprises acquisition means (10, 16), validation means (17), suggestions/selection means (18), memory means (13) and display means for items (11) to be purchased which may be selected from files and/or previou...

L'invention concerne une tête de lecture magnéto-optique.
Une tête magnéto-optique comporte une partie optiquement active qui est une couche magnétique très mince (32) qui fait tourner le plan de polarisation de la lumière en fonction de sa polarisation magnétique, elle-même liée à la polarisation magnétique de la bande magnétique (20) qui porte les informations à lire et qui défile devan...

A corrosion preventive steel sheet having an organic coating layer is described. The steel sheet is comprised of a zinc alloy-plated steel sheet, and a chromate layer and an organic coating layer formed in this order on at least one side of the steel sheet. The organic coating layer is formed from a coating composition comprised of 100 parts by weight of a water-soluble urethane resin and from 5 t...

A method of connecting a coil as mounted in an electric watch or clock in which a lead wire of the coil is made to cross a conductor near the terminal portion of the coil. The lead wire is drawn so as to traverse beyond a conductor to which it is to be attached, and the lead wire is anchored by an anchoring device so as to hold it against the conductor. The lead wire is then bonded to the conducto...

PURPOSE:To provide the polarizing illuminator with high brightness and the projection display device while disenlarging the diameter of a light source, thereby minimizing the decrease of a polarization ratio of a polarized light obtained from the polarizing illuminator. CONSTITUTION:This illuminator is provided with a polarizing beam splitter 23, a first illuminating system and a second illuminati...

PURPOSE:To import a wavelength discriminating ability, and also, to reduce a light quantity loss and a noise by optimizing a polarization state of wavelength to be discriminated. CONSTITUTION:A transmitting light lambda1 transmitted from a transmitting light generating part 2 is reflected by a dichroic mirror but a part thereof transmits through and is transmitted to the same optical path as a rec...

PURPOSE:To provide the liquid crystal display element of a high-grade display which is improved in the visual angle characteristic of the liquid crystal display element and has excellent visibility. CONSTITUTION:This liquid crystal display element is disposed with a liquid crystal cell 3 for driving which has the arrangement twisted by the spiral axis nearly parallel with the normal of the substra...

PURPOSE:To provide the liquid crystal display device which is small in size and low cost, lightweight, and thin in thickness and can excellently be assembled and disassembled. CONSTITUTION:A setting parts 29 for printed wiring boards 5a and 5b is recessed in the reverse surface side of the fitting part of a mold case 8 for a liquid crystal display panel and a fixed hook 27 and an elastic arm 28 fo...

PURPOSE:To provide 1X2 and 2X2 optical switches with the liquid crystals alone without using quartz polarizers or Faraday rotors. CONSTITUTION:This optical switch 51 consists of three sheets of double refractive crystal plates 22 to 24, the liquid crystals 52 of the 1st group to be inserted between the 1st and 2nd double refractive crystal plates, the liquid crystals 53 of the 2nd group to be inse...

PURPOSE:To offer an operation guide device offering a guide suited to a user can be offered only for a single function, and also the guide used for the user can be offered by registering one series of operations being the object of the user as an operational procedure, and setting skillness at the operational procedure. CONSTITUTION:This device is equipped with an skillness deciding element extrac...