Abstract: An object of the invention is to make a light source and a power supply line detachable easily so as to enable the light source to be replaced easily for maintenance. The invention provides a lighting device for a display, which includes a light source having electrode terminals provided at both ends thereof, connectors attached to the ends of a power supply line for supplying power to the light source, light source-holding chassis placed at the ends of the light source, and insertion portions opened in the chassis. The electrode terminals of the light source are placed inside the insertion portions, and the connectors are fitted detachably in the insertion portions from the outside, whereby the terminals in the connectors are connected to the electrode terminals.

Abstract: A backlight unit a light source for originating light; a light guide plate including incident portions through which light originated form the light source enters and an emitting portion form emitting the entered light; and a chassis including a first recessed portion having a first depth and on which the light source is located and a second recessed portion having a second depth deeper than the first depth and a sice adjusted for the light guide plate and on which the light guide plate is located.

Abstract: A bearing with a rotational sensor has a magnetic sensor includes a race including an inner ring and an outer ring. Between the inner ring and the outer ring, a magnetic sensor holding member having an annular portion is arranged. The annular portion of the magnetic sensor holding member is provided with a holding portion holding the magnetic sensor. The magnetic sensor is held in the holding portion of the magnetic sensor holding member and is arranged between the outer circumferential surface of the inner ring and the inner circumferential surface of the outer ring. Therefore the bearing with a rotational sensor that is improved to allow easy assembly and compactness can be obtained.

Abstract: A bearing provided with a rotation sensor comprises an outer ring, an inner ring and rolling elements, and a magnetic ring is engaged with the inner diametral surface of the outer ring. Thus, a highly reliable bearing provided with a rotation sensor exerting no bad influence on a magnetic sensor can be provided.

Abstract: To provide a bearing assembly having an electric power generating capability, that can be assembled compact in size and easily incorporated in a drive transmission system of an internal combustion engine, the bearing assembly having an electric power generating capability includes a rolling bearing 1 including an outer race 7 and an inner race 6 rotatable relative to the outer race 7, and an electric power generator 2 interposed between the inner and outer races 6 and 7 for generating an electric power by a rotation of the inner race 6 relative to the outer race 7. This bearing assembly may be used as a bearing in the drive transmission system of the internal combustion engine for rotatably supporting, for example, a crankshaft 4.

Abstract: An object of the invention is to provide a flat-panel display device, which has a sufficient shockproof characteristic and in which the number of component parts can be reduced so as to lower in cost. A chassis for a flat-panel display device in accordance with the invention supports a component member such as a flat-panel display element 500, and is characterized in that a main body of the chassis 100 comprises a plurality of roughly triangle openings 120 at least one side of which is adjacent and roughly parallel to a side of another opening 120 or an outer edge of the main body of the chassis 100.

Abstract: A bearing provided with a rotation sensor comprises an outer ring, an inner ring and rolling elements, and a magnetic ring is engaged with the inner diametral surface of the outer ring. Thus, a highly reliable bearing provided with a rotation sensor exerting no bad influence on a magnetic sensor can be provided.

Abstract: A bearing provided with a rotation sensor comprises an outer ring, an inner ring and rolling elements, and a magnetic ring is engaged with the inner diametral surface of the outer ring. Thus, a highly reliable bearing provided with a rotation sensor exerting no bad influence on a magnetic sensor can be provided.

Abstract: A piston rod position detecting mechanism is proposed which can detect continuously or in a multiple-point manner that the piston rod position has changed due to increase or decrease in the protruding amount of the piston rod due to aging. The protruding amount from a cylinder end wall is detected by a position detecting mechanism comprising a detecting coil housed in a bobbin provided at the cylinder end, a flange portion formed on the piston rod, and a coil spring. Also, an autotensioner and an electromagnetic valve with such a position detector are proposed. Further, a belt tension adjusting device is provided with a detector for detecting the position of a tension pulley which is pivotable with increase or decrease in the belt tension.

Abstract: A backlight unit comprises: a light source for originating light; a light guide plate including incident portions through which light originated from the light source enters and an emitting portion for emitting the entered light; and a chassis including a first recessed portion having a first depth and on which the light source is located and a second recessed portion having a second depth deeper than the first depth and a size adjusted for the light guide plate and on which the light guide plate is located.

Abstract: To provide a rotation detecting device compact in structure and operable on its own electric power generating function and capable of detecting the number of revolution of a vehicle wheel even at an extremely low speed rotation of the vehicle wheel, and also an anti-skid braking system utilizing such rotation detecting device, the rotation detecting device includes an electric power generator 4, at least one magnetic sensor 23 and an electric power supply circuit 24. The electric power generator 4 in turn includes a stator 17 and a rotor 18 in the form of a multi-pole magnet having a plurality of opposite magnetic poles alternating in a direction circumferentially of the rotor 18. The magnetic sensor 23 is mounted on either the stator 17 or a support member 1 for supporting the stator 17 and is operable to detect the magnetic poles on the rotor 18.

Abstract: A piston rod position detecting mechanism is proposed which can detect continuously or in a multiple-point manner that the piston rod position has changed due to increase or decrease in the protruding amount of the piston rod due to aging. The protruding amount from a cylinder end wall is detected by a position detecting mechanism comprising a detecting coil housed in a bobbin provided at the cylinder end, a flange portion formed on the piston rod, and a coil spring. Also, an autotensioner and an electromagnetic valve with such a position detector are proposed. Further, a belt tension adjusting device is provided with a detector for detecting the position of a tension pulley which is pivotable with increase or decrease in the belt tension.

Abstract: To provide a bearing assembly having an electric power generating capability, that can be assembled compact in size and easily incorporated in a drive transmission system of an internal combustion engine, the bearing assembly having an electric power generating capability includes a rolling bearing 1 including an outer race 7 and an inner race 6 rotatable relative to the outer race 7, and an electric power generator 2 interposed between the inner and outer races 6 and 7 for generating an electric power by a rotation of the inner race 6 relative to the outer race 7. This bearing assembly may be used as a bearing in the drive transmission system of the internal combustion engine for rotatably supporting, for example, a crankshaft 4.

Abstract: To provide a compact bearing assembly equipped with a rotation sensor capable of detecting not only pulse signals for detecting the number of revolution, but also a home position signal, the bearing assembly equipped with the rotation sensor includes a rotatable member (2) and a non-rotatable member (3) with rolling elements (4) interposed between the rotatable and non-rotatable members (2) and (3) to permit the rotatable member (2) to be rotatable relative to the non-rotatable member (3). The rotatable member (2) is provided with a magnetic encoder (7) and the non-rotatable member (3) is provided with magnetic sensors (8A) to (8C). The magnetic encoder (7) includes first and second to-be-detected elements (7A) and (7B) each having a plurality of equally spaced, opposite magnetic poles defined therein so as to alternate with each other in a direction circumferentially thereof.

Abstract: A bearing with a rotational sensor has a magnetic sensor includes a race including an inner ring and an outer ring. Between the inner ring and the outer ring, a magnetic sensor holding member having an annular portion is arranged. The annular portion of the magnetic sensor holding member is provided with a holding portion holding the magnetic sensor. The magnetic sensor is held in the holding portion of the magnetic sensor holding member and is arranged between the outer circumferential surface of the inner ring and the inner circumferential surface of the outer ring. Therefore the bearing with a rotational sensor that is improved to allow easy assembly and compactness can be obtained.

Abstract: A magnetization yoke having an exciting coil wound thereon is arranged to hold a magnetic member and a metal ring so that a magnetic flux passes through and magnetizes the magnetic member in the portion held by the magnetization yoke for successively magnetizing the magnetic member along the circumferential direction thereby multipolarly magnetizing the magnetic member in the circumferential direction. Thus, a magnetic encoder having large magnetization strength and a small magnetization pitch error, a wheel bearing employing the same and a method of manufacturing a magnetic encoder can be obtained.

Abstract: A liquid crystal display device having a liquid crystal display element, a backlight for supplying light to the liquid crystal display element and a case for accommodating the liquid crystal display element and the backlight. The backlight has a light guide plate and a lamp unit, wherein the lamp unit providing a fluorescent tube, bushings made of an insulating material, a lamp reflector and a lamp cable and the lamp reflector holds the fluorescent tube through the bushings, and made by bending a stiff metal plates.

Abstract: A bearing provided with a rotation sensor comprises an outer ring, an inner ring and rolling elements, and a magnetic ring is engaged with the inner diametral surface of the outer ring. Thus, a highly reliable bearing provided with a rotation sensor exerting no bad influence on a magnetic sensor can be provided.

Abstract: A magnetization yoke having an exciting coil wound thereon is arranged to hold a magnetic member and a metal ring so that a magnetic flux passes through and magnetizes the magnetic member in the portion held by the magnetization yoke for successively magnetizing the magnetic member along the circumferential direction thereby multipolarly magnetizing the magnetic member in the circumferential direction. Thus, a magnetic encoder having large magnetization strength and a small magnetization pitch error, a wheel bearing employing the same and a method of manufacturing a magnetic encoder can be obtained.

Abstract: A flat cable including a conductive foil and insulating films is used for the lamp cable that supplies voltage to the fluorescent tube to reduce the installation space of the lamp cable and thereby to reduce the picture-frame area of the liquid crystal display device.