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Starting block
According to a first aspect of the invention, there is provided a starting block which includes a foot-support means; and a heel-support portion, extending from the foot-...
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Concealed wiper system
Accordingly, it is an object of the present invention to provide a concealed wiper system having several functions necessitated for practical use, which is simply ...
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Commutating energy suppression circuit for an electronically commutated DC motor
According to the present invention, a voltage surge sensing and control circuit is coupled to the dc power supply inputs of the electronic commutator. This circuit acts ...
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Cutting process control system for CNC metal cutting machine tools
We claim: 1. A cutting process control system for CNC metal cutting machine tools, comprises: an optical transducer mounted on a metal cutting machine tool in the zone ...
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Feed control method in a numerically controlled machine tool
The present invention was accomplished in view of the above situation. It is, therefore, a general object of the present invention to provide a feed control method in a ...
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Method and device for determining the operating condition or status of an actuating or adjusting drive of a printing machine
We claim: 1. Method of determining the position of a printing machine element being movable in a first and an opposite direction and being drivable by an electric motor ...
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Method and/or apparatus for controlling the motor speed of an electric AC motor and/or a method of determining torque
OF THE INVENTION In this specification the units p.u. used refer to proportions of the rated value of that unit. Considering the terminal voltage and current of a ...
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Ultrasonic device for the determination of the rate of air flow in the inlet duct of an internal combustion engine
I Claim: 1. A device for determining, by ultrasonic means, the rate of air flow in the inlet duct of an internal combustion engine, comprising: a detector duct of ...
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Treadmill frame and roller bracket assembly
A treadmill has a frame with a left and a right extension. The extensions are spaced apart from each other and are in substantial alignment. The left and right ...
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Method and device for measuring the correction factor
OF THE INVENTION In FIG. 1 numeral 1 designates a hollow glass tube which is sealed at one end 2. A hollow 3 in the glass tube 1 is formed so that it has its largest ...
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