Abstract: The present invention relates to a method of charging a battery, including applying a voltage pulse to a rechargeable battery, detecting a terminal voltage and a charging current, comparing detected results to known standards and continuing charging if necessary. A charging device having movable contact terminals is also disclosed.

Abstract: A tape cassette has a case accommodating magnetic tape wound around a pair of reel hubs. The case defines tape feed path openings extending through both ends of the case near its front portion from winding openings to a front recess through which a magnetic head or the like is to be inserted. The case has a base portion and top and bottom plates covering top and bottom surfaces of the base portion. The base portion is solid in the direction of its thickness except at the winding opening and the tape feed path openings. The base portion has a front portion and a rear portion contiguous to each other through a bridge extending between the winding openings. The base portion and the top and bottom plates are cut out at portions corresponding to the front recess. The base portion is provided at the front part thereof with guides to guide the magnetic tape. An adaptor may be provided for use with the tape cassette. The adaptor has a case into which the tape cassette is insertable.

Abstract: A power transmitting apparatus for use in a vehicle, provided with a motor having at least one output shaft to which a traveling electromagnetic clutch and at least one power-transmitting electromagnetic clutch are attached, a plurality of clutch plates capable of being connected to the power-transmitting electromagnetic clutch while being aligned therewith, and operating shafts fixed to the clutch plates. The power-transmitting electromagnetic clutch is moved by the operation of the traveling electromagnetic clutch and the rotation of the motor to a position at which the power-transmitting clutch can be connected to one of the clutch plates selected as desired.

Abstract: An electrically opening and closing faucet device arranged to be opened and closed by rotation of a spindle thereof. The electrically opening and closing faucet device comprises, a follower gear secured to the spindle, and a motor gear secured to an output shaft of a motor. The motor gear is structured to be moved in synchronization with the follower gear, and the faucet is opened and closed by the rotation of the motor.