摘要:
A battery capacity meter and a method for precisely calculating a battery capacity are obtained by measuring a terminal voltage of the battery and sequentially calculating the measured terminal voltages. In a battery capacity meter of the present invention, a calculation process is carried out. After a power source is connected to the battery capacity meter, an initial value S.sub.0 under non-consistent charge state S.sub.i is calculated from an initial value V.sub.0 of a terminal voltage V.sub.i. Next, V.sub.i and S.sub.i are related to a current I.sub.i, and an equation for relating a variation amount .DELTA.S.sub.i of S.sub.i to S.sub.i is formed. Under this relationship, .DELTA.S.sub.i is obtained from V.sub.i and S.sub.i in a time interval .DELTA.t. A value of S.sub.i is updated. Either a remaining capacity or a fuel-gauge normalized remaining capacity are obtained from the updated value of S.sub.i. A process operation is returned to a step where .DELTA.S.sub.i is calculated, and this process is repeated.
摘要:
Disclosed is a method of testing electrical characteristics of a semiconductor device having a ball-shaped external electrode. The method comprises preparing a plurality of cantilever-type contactors each supported by a support plate at a given position, and formed in such a manner that a tip thereof has a flat surface with an arc-shaped edge in an outer peripheral region thereof, and a cross-sectional diameter in a vicinity of the tip is greater than a radius of the ball-shaped external electrode, and pairing the cantilever-type contactors to provide paired two contactors. The method includes the steps of: pressing either one of the support plate and the semiconductor device toward the other in such a manner that the arc-shaped edges of the paired two contactors are brought into contact with respective ones of two surface regions of the ball-shaped external electrode divided by an axis of the ball-shaped external electrode passing through a middle point between the two positions where the paired two contactors are supported, so as to form Kelvin contacts; and further overly driving either one of the support plate and the semiconductor device relative to the other in such a manner that the arc-shaped edges of the paired two contactors are slidingly moved along respective ones of the two surface regions of the ball-shaped external electrode to perform a wiping operation.
摘要:
An image forming apparatus includes a belt-shaped image carrier adapted to support a toner image: a transfer roller; a contact/separation mechanism, operable to bring the transfer roller into contact with the image carrier to transfer the toner image from the image carrier onto a recording medium and operable to separate the transfer roller from the image carrier after the toner image is transferred onto the recording medium; and a rotation applier, operable to apply a first rotation to the transfer roller in a state that the transfer roller is separated from the image carrier. The rotation applier and the transfer roller are mechanically separated from each other when the transfer roller is in contact with the image carrier. When the contact/separation mechanism brings the transfer roller into contact with the image carrier, a circumferential speed of the transfer roller is made coincident with a circumferential speed of the image carrier.
摘要:
There is provided a harness-fixing construction of a grommet in which an upwardly-extending wire assembly portion can be positively fixed to a tubular portion of the grommet, and the efficiency of a wire harness-installing operation is enhanced. The grommet includes a proximal portion for fitting watertight in a panel hole, the tubular portion of a generally L-shape extending downwardly from the proximal portion, and a protuberance portion which is formed integrally with the proximal portion and the tubular portion, and has a concave surface. The grommet has a passage hole for passing a fastening band (fixing member) therethrough. A holding mechanism for stably holding the upwardly-extending wire assembly portion in a desired position is formed by the passage hole for passing the fastening band therethrough, and the protuberance portion having the concavely-curved surface for holding the upwardly-extending wire assembly portion in a generally embracing manner. This concave surface extends in a direction of the length of the tubular portion, and the upwardly-extending wire assembly portion, when fitted in the concave surface in the longitudinal direction, is positioned properly.
摘要:
An aqueous acidic chemical dissolving solution comprising hydrogen peroxide, an inorganic acid and a specific aromatic compound is applicable to etching, pickling and surface treatment of various kinds of metals with a good stabilization effect and a good life, giving a metal surface with good luster.
摘要:
A tire inflation pressure monitoring device includes transmitters for transmitting air pressure signals indicative of air pressures in tires, detected by respective air pressure sensors, and a receiver for generating a warning signal in accordance with the air pressure signals received from the transmitters. The air pressure signal transmitted from each of the transmitters includes an ID of the corresponding transmitter as an ID signal. When the receiver is in an ID registration mode in which the IDs of the transmitters are registered (S12), the transmitters are forced to transmit the air pressure signals, and if the number of the received air pressure signals is equal to a predetermined value, the receiver registers the IDs of the transmitters based on the ID signals included in the received air pressure signals (S20, S26).
摘要:
When an alarm switch of a transmitter is given a long press carried out for one or more seconds in a timer-reset condition, a first alarm reversal signal is transmitted simultaneously with the setting (starting) of the timer. If the alarm switch is pressed within the set time of the timer regardless of a press time period, a second alarm reversal signal is transmitted, and the timer is reset. On a receiver side, the activation and deactivation of the alarm is alternately performed upon receipt of each alarm reversal signal.
摘要:
A new flower-thinning agent is now provided, which is comprising as the active component 2-pyrrolidone-5-carboxylic acid, a salt thereof, a salt of an N-higher aliphatic acyl acidic amino acid, an ester of sugar with a higher fatty acid, or a plant sterol and advantageously exerts the flower-thinning effects superior to the known flower-thinning agents.
摘要:
A transfer device includes a pair of transfer frames, a belt member, a pair of transfer roller levers which are respectively arranged on inner sides of the transfer frames pivotably, a transfer roller which is provided between first ends of the transfer roller levers rotatably, a pair of first urging members, which are respectively provided on second ends of the transfer roller levers to energize the transfer roller toward the belt member, and a pair of transfer pressure controlling members which are respectively provided on the transfer frames movably to control urging power of the first urging members.
摘要:
A belt member is seamed to form an endless belt which is stretched by a plurality of roller members and circulated in a first direction. The belt member is provided with an electrode portion at a first end portion thereof in a second direction perpendicular to the first direction. A cleaning member is abutted against the belt member. A seam of the belt member extends obliquely relative to the first direction such that an end of the seam confronting the electrode portion is situated in an upstream side of the first direction.