Abstract: A denture attachment including a magnet body, to be embedded in a denture base, comprises a pair of soft magnetic alloy end plates, a non-magnetic alloy spacer disposed between the end plates, and a cap covering the magnet body, the end plates and the spacer except on the side of a coping. The attachment causes a magnetic attractive force of the magnet body to act on the coping of a soft magnetic alloy embedded in a pulp cavity of a tooth deprived of the crown, whereby the denture base is stabilized on gingiva. The magnet body is disposed with its N and S poles facing the end plates, respectively.

Abstract: An information reproducing apparatus quickly retrieves tape position information of a tape-shaped recording medium on which tracks are formed so as to record information and tape position information. This apparatus includes a tape speed detecting unit for continuously detecting the running speed of the tape-shaped recording medium, a cylinder speed setting unit for setting target values of rotation of a rotary cylinder for making constant the component of speed at which the head moves in a track direction according to the output of the tape speed detecting unit, and a cylinder control circuit for controlling the rotary cylinder so as to adapt its rotation to the target value of velocity of the cylinder set by the cylinder speed setting unit.

Abstract: An apparatus for reproducing signals recorded in slanting tracks on a recording tape including tape position information recorded at a specified area on each track apparatus has a tape speed setting circuit for setting a plurality of tape speeds, and a cylinder speed setting circuit for setting a rotational speed of a rotary cylinder such that the track direction speed component of a reproducing head mounted on the rotary cylinder is kept constant. A tape running control circuit controls a reel drive circuit so that the tape runs at a speed set by the tape speed setting circuit. A cylinder control circuit controls the rotary cylinder so that the rotary cylinder rotates at a speed set by the cylinder speed setting circuit.

Abstract: There is disclosed a liquid crystal display device which comprises liquid crystal materials aligned between a pair of substrates each having an alignment layer, respectively, characterized in that the following conditions (a) to (c) are satisfied:(a) the twist angle of the liquid crystal molecules aligned between the above pair of substrates is 200.degree. to 300.degree.;(b) the following relationship formula (1) is valid between the spontaneous twist pitch Ps of the liquid crystal molecules and the regulated twist pitch Pc of the liquid crystal molecules when the arrangement of liquid crystal molecules is compulsorily regulated by the alignment layers:0.ltoreq.(Pc-Ps)/Pc.ltoreq.0.3 (1); and(c) the following relationship formula (2) is valid between the splay elastic constant k.sub.11 and the bend elastic constant k.sub.33 of the above liquid crystal materials:0.9<k.sub.33 k.sub.11 <1.5 (2).

Abstract: A method for fabricating an alignment layer on a substrate of a liquid crystal display device which includes aligning the center line of the substrate such that it lies substantially along a line that passes through the center of and perpendicular to a linear source. The substrate is then rotated about its center line to a desired angle, and the source material is vacuum deposited onto the substrate.

Abstract: There is disclosed a phase controller comprising: a motor; a rotation detector for converting a motor rotating condition into a speed signal and a phase signal; a speed comparison circuit for detecting a difference between the speed signal and a speed target value; a resettable phase signal generating circuit for generating a phase reference signal; a phase comparison circuit for detecting a phase difference between the phase signal and the phase reference signal and outputting a reset signal to the phase signal generating circuit according to the output of the speed comparison circuit; a synthesizing circuit for synthesizing the output of the speed comparison circuit and the output of the phase comparision circuit; and a motor driving circuit for driving the motor according to the output of the synthesizing circuit. By resetting the phase reference signal according to the motor phase, the phase control pulling-in time is reduced to improve response.

Abstract: The combination of an optical information recording and reproducing medium and a container for storing said optical information recording and reproducing medium, at least one of said optical information recording and reproducing medium and said container comprising a fungicide wherein said fungicide is in a layer selected from the group consisting of a layer comprising fine metal particles dispersed in a hydrophilic colloid dispersion medium; a layer comprising a metal or an alloy formed by a vacuum evaporation method or a sputtering method; and a layer comprising a coloring substance or consisting essentially of a polymeric substance. The invention also provides said medium when it contains a fungicide and a method for making the claimed combination and components thereof.

Abstract: A game apparatus enabling a person to learn the standard orders of development in or to solve a problem of the game of Go, shogi (Japanese chess), chess or the like. In the case of learning the standard orders of development in the game, this game apparatus detects and displays the move of a game piece, and in the case of the game problem, the game apparatus counts the number of error moves of the game piece and does not display the correct move of the game piece until the counted number of error moves of the game piece is greater than a predetermined value, and then displays the correct move of the game piece.

Abstract: A game apparatus for enabling players present at remote places from each other to easily play the game through a connected common communication network like a telephone line. The game apparatus has functions for detecting and displaying the moved arrangement of a game piece, for transmitting and receiving the detected signals via the communication network, and for collating the reproductive motion of the one player, performed by watching the displayed moved arrangement of a game piece, with the intended motion carried out by the other player.

Abstract: A motor speed control apparatus has a frequency generator for generating a frequency signal the frequency of which is proportional to the motor speed; a first pulse generator for producing a first pulse train having the same period as that of the frequency signal, each pulse of the first pulse train having a pulse width which is shorter than the period of the frequency signal and decreases as the frequency of the frequency signal increases; a second pulse generator for producing a second pulse train, the leading edges of the pulses of the second pulse train coinciding in timing with those of the first pulse train, each pulse of the second pulse train having a constant pulse width nearly the same as that of each pulse of the first pulse train obtained by the motor rotation at a predetermined speed; and a subtractor for producing a third pulse train by the subtraction of the pulses of the first pulse train and the corresponding pulses of the second pulse train, whereby there is produced a motor torque in corres

Abstract: A radio assembly to be installed in a motor vehicle and including a thin box-shaped radio broadcast receiver having a built-in cartridge tape player, a transceiver having a main section of hook-shaped box form attached to the rear of the receiver and having a separate operating section, and a microphone carrying that operating section.

Abstract: A pressure coating roller gun has a spray nozzle having a spray opening formed in front of the central jet orifice, the opening having a bevel impingement wall. By the use of this nozzle, a coating material is sprayed in the form of a divergent thin film over the coating roller surface. The coating roller preferably has a length corresponding to the width of the divergent thin film of coating material sprayed from the spray nozzle. A spherical coupling member is provided at the proximal end of the spray nozzle so as to allow free adjustment of the direction of spray.

Abstract: Disclosed is an automatic control system for condition-responsively switching over audio signals from transceiver, radio or tape recorder. It is characterized in that a transceiver squelch control circuit having a transistor is connected through its collector electrode to a radio or tape recorder audio signal switching transistor at the base electrode thereof, thereby voltage variation in the squelch control circuit is transmitted to the radio or tape recorder audio signal switching transistor which in turn functions to switch off the radio or tape recorder audio signal.