Fanuc Corporation

Kohken Medical Co., Ltd.

Fujitsu Fanuc Limited

Mitsuo Matsui

Teruyuki Matsumura

Hajimu Kishi

Yasuo Nakajima

Eiichi Matsui

Hitoshi Matsuura

Ryoichiro Nozawa

Hitoshi Aramaki

A non-invasive monitor for measuring regional saturation of oxygen includes a sensor unit containing a printed circuit board on which a light emitting unit and a light receiving unit are mounted; a main body unit; a sensor holder for holding the sensor unit while the light emitting unit and the light receiving unit are disposed in an aperture portion; a sensor pressing board; a connecting unit for electrically connecting the sensor unit and the main body unit; and a headband. The light emitting unit and the light receiving unit are disposed such that a light emitting surface and a light receiving surface face the forehead-side, and a part or the whole of the forehead-side surface of the sensor unit is on the same surface as the forehead-side surface of the sensor holder or protrudes from the forehead-side surface of the sensor holder toward the forehead-side.

Non-invasive monitor for measuring regional saturation of oxygen

There are provided a tracing control apparatus (1), a numerical control apparatus (2), and switching circuits (3X, 3Y, 3Z) for switching and transmitting selectively control instructions from the tracing control apparatus (1) and the numerical control apparatus (2), to a three-axis driving means for the tracer controlled machining (4) and a three-axis driving means for the numerically controlled machining (5) in accordance with selection signals. A numerically controlled machining and tracer controlled machining selection signal (S.sub.C) is used as one of the selection signals besides a tracer controlled machining selection signal (S.sub.A) and a numerically controlled machining selection signal (S.sub.B). When the numerically controlled machining and tracer controlled machining selection signal (S.sub.C) is selected, the three-axis driving means for the tracer controlled machining (4) is controlled by the tracing control apparatus (1), and the three-axis driving means for the numerically controlled machining (5) is controlled by the numerical control apparatus (2), independently. As a result, it is possible to perform the preparation for the tracer controlled machining or the conversion of the tracer controlled machining data into digital information, simultaneously, with the numerically controlled machining.

Machine tool for tracer controlled machinery and numerical controlled

A method and apparatus for controlling an electric discharge machine wherein a motor for establishing relative movement between an energized electrode and a workpiece is driven in accordance to with NC command data. The method includes the steps of converting commanded speed information into a speed command value to control the speed of the motor, counting, by using a counter, pulses generated by a sensor each time the motor rotates by a predetermined amount, reading the value of the count in the counter periodically, adding the read values cumulatively to determine the present position of the electrode, and sending a command to the counter each time its counted value is read, to cancel the counted value.

Method and apparatus for controlling electrode position in an electric

Trace control method

A method of measuring a coordinate value of a prescribed point on an object, and an apparatus for practicing the method which, includes a step of generating a signal when a measuring element contacts the object at the prescribed point. In response to the signal, a pulse distribution operation based on a commanded amount of movement is suspended. The difference between a commanded position and a positional deviation is computed by arithmetic means. The deviation is the difference between a number of commanded pulses and a number of feedback pulses. The positional deviation is cleared from the contents of an error counter, thereby stopping the measuring element. The difference computed by the arithmetic means is the coordinate value of the prescribed point on the object.

Measurement method, and apparatus therefor

A method and apparatus for controlling an electric discharge machine wherein a motor for moving an energized electrode relative to a workpiece is driven in accordance with command data. The method includes the steps of storing in a memory retraction control information contained in the command data, moving the electrode in an advancing direction relative to the workpiece by controlling the speed of the motor in accordance with machining feed speed information contained in the entered command data, monitoring the current position of the electrode by counting, via a counting device, pulses generated by a sensor whenever the motor rotates by a predetermined amount, moving the electrode in the retracting direction relative to the workpiece by reading in retraction speed from the retraction control information stored in the memory and controlling the speed of the motor on the basis of the retraction speed, when a signal indicative of a short circuit is generated, and moving the electrode in the advancing direction relative to the workpiece by reading in a re-advancing speed from the retraction control information stored in the memory, when a signal indicative of an end to the short circuit is generated.

Method and apparatus for controlling electric discharge machine

Disclosed is a method of controlling backward movement in an electric discharge machine wherein a workpiece is subjected to electric discharge machining by moving an electrode and the workpiece across which a voltage is applied, relative to one another. The method comprises a step of detecting a state of the electric discharge machining in response to a retraction command, a step of selecting a class corresponding to the electric discharge machining state from among a plurality of stored classes of retraction control information items indicating retraction control conditions different from one another, and a step of relatively moving and controlling the electrode and the workpiece in the backward direction in accordance with the selected class of retraction control information items.

Method of controlling electric discharge machine

A method for carrying out a cutting work using the numerical data obtained from a tracing of a model by stylus means, said numerical data being obtained by applying a proportional allotment to a first and second numerical data related to a first and a second stylus, in accordance with the radius of the cross-section of a cutting tool.

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Tokyo, Japan

Mitsuo Matsui