Abstract: Telephone call fee notifying system and apparatus for informing a calling subscriber of a fee for telephoning a destination before talking starts. When the calling subscriber dials a special number, this special number is recognized by a charging information request recognizing unit, a telephone call fee for a connection destination is calculated in response to subsequently transmitted dialing by means of a charging calculation unit and a calculated telephone call fee is informed to the calling subscriber in the form of a speech by means of a charging information speech outputting unit. Listening to the speech, the calling subscriber decides whether a circuit connection is to be done or not and when the circuit connection is determined, an operation therefor is carried out to establish a connection to the desired connection destination.

Abstract: A fluid impulse torque tool used for tightening screws, which automatically stops when a predetermined tightening force is attained. A piston is actuated by relief oil from a relief valve attached to an oil pressure pulse generator. A shut-off valve placed in an air feed passageway to an air motor is connected to the piston. In a screw tightening operation, when a predetermined tightening force is attained, relief oil is produced to move the piston and this movement is transmitted to the valve to close the latter, thus shutting the air feed passageway to the air motor, so that the latter is stopped.