Magnetic field measuring system of deflection yoke

A winding zig for measuring magnetic fields of a deflection yoke, comprising:

• a purality of magnetic field sensors mounted inside of the winding zig;
• a digital signal generator for receiving output signals from the magnetic field sensors that sense magnetic field characteristics of a deflection coil wound around the winding zig, amplifying the received signals, and converting the amplified signals to digital signals;
• a digital signal interface for converting the data outputted from the digital signal generator to serial data;
• and
• a transmitter for receiving signals processed as serial data by the digital signal interface, and transmitting the received signals;
• wherein the transmitter is a radio signal transmitter for receiving signals processed as serial data by the digital signal interface to prevent twist of signal lines of the transmitted data, converting the received signals to radio signals, and transmitting the converted signals.

A winding zig for measuring magnetic fields of a deflection yoke, comprising;

• a plurality of magnetic field sensors mounted inside of the winding zig;
• a current source for supplying a driving current to operate the magnetic field sensors;
• a digital signal generator for receiving the output signals from the magnetic field sensors that sense magnetic field characteristics of a deflection coil wound around the winding zig, amplify the received signals, and converting the amplified signals to digital signals;
• a digital signal interface for converting the data outputted from the digital signal generator to serial data;
• a transmitter for receiving signals processed as serial data by the digital signal interface, and transmitting the received signals;
• and
• a voltage source for supplying a driving voltage for driving the digital signal generator, the digital signal interface and the transmitter.

A magnetic field measuring system of a deflection yoke, comprising:

• a plurality of magnetic field sensors mounted inside of the A-shaped winding zig;
• a digital signal generator for receiving output signals from the magnetic field sensors that sense magnetic field characteristics of a deflection coil wound around the A-shaped winding zig, amplifying the received signals, and converting the amplified signals to digital signals;
• a digital signal interface for converting the data outputted from the digital signal generator to serial data;
• a transmitter for transmitting signals processed as serial data by the digital signal interface, and transmitting the received signals;
• a receiver for receiving the magnetic field measuring data transmitted by the transmitter;
• a data parallel processor for receiving the data received by the receiver, converting the received data to parallel data, and processing the converted data by reference to a predetermined index in accordance with an associate relationship between screen characteristics and magnetic field values;
• and
• a display device for visually displaying the data processed by the data parallel processor to an inspector or a worker.

A magnetic field measuring system of a deflection yoke, comprising:

• a plurality of magnetic field sensors mounted inside of the A-shaped winding zig;
• a digital signal generator for receiving output signals from the magnetic field sensors that sense magnetic field characteristics of a deflection coil wound around the A-shaped winding zig, amplifying the received signals, and converting the amplified signals to digital signals;
• a transmitter for transmitting signals processed as serial data by the digital signal interface, and transmitting the received signals;
• a receiver for receiving the magnetic field measuring data transmitted by the transmitter;
• a data parallel processor for receiving the data received by the receiver, converting the received data to parallel data, and processing the converted data by reference to a predetermined index in accordance with an associate relationship between screen characteristics and magnetic field values;
• an image processing controller for receiving the data processed by the data parallel processor, and realizing the received data into images of three or two dimensions;
• and
• a display device for visually displaying the images of three or two dimensions processed by the image processing controller in accordance with an associate relationship between the screen characteristics and the magnetic field values to an inspector or a worker.