Abstract: An electric shaver having a cutter head that includes a movable cutter unit. With a single switching operation of a mode-switching dial that switches the operating mode of the shaver and is installed on the shaver main body, the movable cutter unit is moved upward or downward from a normal position, and the angle of inclination of the cutter head with respect to the shaver main body 1 is varied as well.

Abstract: An electric shaver including first and second oscillators that convert rotational driving, which is supplied from a driving motor via joint portions that are connected to each other in a plurality of locations in the height direction of the shaver, into reciprocating driving that is oriented in mutually opposite directions and transmit this reciprocating driving to cutter units. The first and second oscillators are connected to first and second eccentric pins which are installed in upright at positions where phases are substantially opposite above and below the eccentric joint portions.

Abstract: An electric shaver with a cutter head that is equipped with a plurality of cutter units as movable units, and at least one cutter unit among these movable units being used after being fixed at a position where this cutter unit has been moved upward or downward from a standard position.

Abstract: An electric rotary shaver comprising: a cutter frame having a plurality of outer cutter holes, outer cutters disposed in outer cutter holes so as to be tiltable in any direction, and inner cutters rotatably disposed inside the outer cutters and connected to inner cutter drive shafts that are rotationally driven and urged in a direction that causes the inner cutter drive shafts to protrude outward; wherein a cutter retaining plate is provided inside the cutter frame so as to be on a main body side of the electric shaver, and fulcrum plates are tiltably shaft-supported in the cutter retaining plate so as to be positionally correspond to the outer cutter holes; and the outer cutters are shaft-supported in the fulcrum plates via supporting members in a direction that is perpendicular to the direction in which the fulcrum plates are shaft-supported by the cutter retaining plate, thus being tiltable.

Abstract: An electric rotary shaver with one or a plurality of circular outer cutter units each formed with a plurality of blade formation regions of annular shapes concentrically arranged. The blade formation regions located outermost are formed greater in thickness than other blade formation regions(s), and hair-entry slits extending in the radial direction are formed in the blade formation regions so as to form slit-form blades. Thus, the slit-form blades in the blade formation regions other the outermost blade formation region is thinner than those of the outermost blade formation region thus allowing deep shaving and assuring a strength of the outer cutter unit.

Abstract: A head assembly moving along a long side of a magnetic card, more than one magnetic head rotating in the head assembly for reading/writing data, a rotary transformer and a carriage with a card holding mechanism for keeping a card at a predefined position are provided in a card reader of the present invention. A rotating part of the rotary transformer in the head assembly receives and sends a signal to the magnetic head and a fixing part of the rotary transformer is connected to a reading/writing circuit. On the card of the present invention, which is usually rectangular, there are tracks defined by plural arcs. The arcs are on plural same-size circles whose centers are aligned on one line along the long side of the card. A magnetic card or an optical card can be used for the present invention.

Abstract: An electric shaver including a single electric motor and a plurality of, for instance three, inner and outer cutters. The output shaft of the motor meshes with gear chains coupled to the inner cutters so that the inner cutters are rotated by the motor; and the output shaft of the motor is further coupled to a speed reduction mechanism that has a gear meshing with gears provided on the peripheries of the outer cutters so that the outer cutters are rotated by the motors at a slower rotation than the inner cutters.

Abstract: A head assembly moving along a long side of a magnetic card, more than one magnetic head rotating in the head assembly for reading/writing data, a rotary transformer and a carriage with a card holding mechanism for keeping a card at a predefined position are provided in a card reader of the present invention. A rotating part of the rotary transformer in the head assembly receives and sends a signal to the magnetic head and a fixing part of the rotary transformer is connected to a reading/writing circuit. On the card of the present invention, which is usually rectangular, there are tracks defined by plural arcs. The arcs are on plural same-size circles whose centers are aligned on one line along the long side of the card. A magnetic card or an optical card can be used for the present invention.

Abstract: A flexible disk drive unit including a spindle motor for driving to rotate a magnetic disk; magnetic heads opposing the magnetic disk; a carriage attached to a frame and movable in a radius direction of the magnetic disk; wherein the frame and a motor base constitute a common member and the spindle motor is of a sensorless drive system and is directly attached to the frame; and wherein the frame is provided with an attaching hole for erecting a bearing of the spindle motor of the sensorless drive system on the frame.

Abstract: A brushless motor driving circuit is provided for obtaining a reliable starting and stable rotation driving irrespective of the load condition of the motor. The brushless motor driving circuit has a terminal voltage detector located at each phase of the armature windings of the motor, a terminal voltage compensator for adding or subtracting a compensation value to/from the terminal voltage of the armature windings detected at respective phases during actual driving periods, and a comparator for comparing respective terminal voltages to obtain a rotor location signal after compensation has been performed. The compensation value is determined by a resistor of the armature winding and a winding current. The armature windings are driven by the rotor location signal detected at the comparator.