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Audio Signal Processing

Numerical-control-apparatus-for-a-machine-tool

Reduction of computational burden of adaptively updating control filter(s) in active systems

The present invention provides the method and apparatus for reducing the computational burden ...

Acoustic conditioner

The present invention is a device which functions to condition acoustical energy brought to bear ...

Audio amplifier arrangement having a volume dependent tone control

OF THE PREFERRED EMBODIMENTS The invention will be further described with reference to FIGS. 2 and ...

Digital audio limiter

We claim: 1. A signal processing system comprising a perceptual encoder responsive to an input ...

Method and apparatus for independent gain control of a microphone and speaker for a speakerphone mode and a non-speakerphone audio mode of a computer system

Briefly, the present invention provides a method and apparatus for controlling acoustic gain during ...

Electroacoustic transducer

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Transducer assembly for automatic message system

I claim: 1. A sound transducer for converting energy between electrical signals and sound ...

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What is claimed is: 1. An acoustic device adapted for operation over an operative frequency range ...

Microphone system for teleconferencing system

In one aspect, the invention generally features a microphone system for use in an environment where ...

Microphone array apparatus

It is a general object of the present invention to provide a microphone array apparatus in which ...

Numerical control apparatus for a machine tool

Details

Inventors: Ouchi, Sadami; Kamiya, Takashi; Noda, Akio; Tsujido, Yoshinori;
Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP)
Primary Examiner: Sircus; Brian
Assistant Examiner:
Attorney, Agent or Firm: Leydig, Voit & Mayer

A numerically controlled apparatus for a machine tool has a tool and machining condition automatically controlling function, and stores standard data of tools and machining conditions in a standard database. The input device of the apparatus inputs the users data of tools and machining conditions other than the contents of the standard database, and the apparatus stores the data inputted with the input device in one or more user databases. The tool and machining condition automatically determining function of the apparatus determines tool and machining condition data by utilizing both of the standard database and one or more the user databases.

DETAILED DESCRIPTION In view of the foregoing, it is an object of the present invention to provide a NC apparatus for the machine tool capable of automatically determining tools and machining conditions by taking the know-how possessed by skillful workers into its database.
It is another object of the present invention to provide a NC apparatus for the machine tool capable of efficiently doing the work of obtaining the optimum machining conditions.
It is a further object of the present invention to provide a NC apparatus for the machine tool capable of displaying only the tool paths of the working regions appointed by an operator at high speed.
It is a further object of the present invention to provide a NC apparatus for the machine tool capable of modifying its NC programs by enabling an operator to locally modify the tool paths to the appointed working regions displayed on its display unit.
It is a further object of the present invention to provide a NC apparatus for the machine tool capable of modifying its NC programs by enabling an operator to locally modify the visible outlines of the appointed working regions displayed on its display unit.
It is a further object of the present invention to provide a NC apparatus for the machine tool capable of displaying the working regions appointed by an operator and the tool paths of the working regions in a locally magnified state.
It is a further object of the present invention to provide a NC apparatus for the machine tool capable of modifying its NC programs by enabling an operator to locally modify the tool paths displayed on its display unit in a locally magnified state.
It is a further object of the present invention to provide a NC apparatus for the machine tool capable of modifying its NC programs by enabling an operator to locally modify the visible outlines of the appointed working regions displayed on its display unit in a locally magnified state.
It is a further object of the present invention to provide a NC apparatus for the machine tool capable of improving the efficiency of the operations of an operator by enabling him to set the magnification rates of displaying to arbitrary values

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