Proportional symbol display

Claim 3

The system of claim 1 wherein said record medium is the screen of a cathode-ray tube display, said source of the beam is the electrode gun and associated circuits of said cathode-ray tube display, and said means for generating the scanning raster is the horizontal and vertical deflection circuits of said cathode-ray tube display.

Claim 4

The system of claim 1 wherein said means for generating a different plurality of dot signals for each of the symbols comprises a memory having a plurality of addressable registers, each of said registers being associated with a symbol and storing indicia representing the dots of the matrix of the symbol, and selection means for selecting particular registers and converting the indicia therein to dot signals.

Claim 5

The system of claim 1 wherein said transmitting means comprises at least one shift register for receiving the generated dot signals, shift pulse generating means for generating a plurality of shift pulses for shifting the dot signals through said shift register, and means for selectively varying the pulSe repetition rate of the shift pulses.

Claim 6

The system of claim 1 wherein said transmitting means comprises at least one shift register for receiving the dot signals from said memory and selection means in parallel, shift pulse generating means for generating a plurality of shift pulses for shifting the dot signals through said shift register, and means for selectively varying the pulse repetition rate of the shift pulses.

Claim 7

The system of claim 5 wherein said record medium is the screen of a cathode-ray tube display, said source of the beam is the electrode gun and associated circuits of said cathode-ray tube display, and said means for generating the scanning raster is the horizontal and vertical deflection circuits of said cathode-ray tube display.

Claim 8

The system of claim 1 further comprising a first means for sequentially generating groups of coded combinations of bits wherein each coded combination of bits is associated with a symbol to be displayed, addressed memory means for storing indicia representing all possible symbols which can be displayed, selection means receiving each group of coded combination of bits for selecting from said addresssed memory means the indicia representing the symbol associated with the received group and converting the indicia into a parallel array of dot signals, a shift register for receiving in parallel the array of dot signals and transmitting the dot signals serially to said intensity modulating means, shift pulse generating means for generating a plurality of shift pulses for shifting the dot signals through said shift register, and means for selectively varying the pulse repetition rate of the shift pulses.

Claim 9

The system of claim 7 wherein said addressed memory means also stores indicia representing a spacing factor for each symbol, said selection means also including means for selecting the spacing factor indicia and means for utilizing the selected spacing factor indicia to select the pulse repetition rate of the shift pulses.

Claim 10

The system of claim 8 wherein said shift pulse generating means comprises a plurality of selectively operable shift pulse generators, and means for energizing the operation of a particular shift pulse generator in accordance with the selected spacing factor indicia.

Claim 11

The system of claim 9 wherein said record medium is the screen of a cathode-ray tube display, said source of the beam is the electrode gun and associated circuits of said cathode-ray tube display, and said means for generating the scanning raster is the horizontal and vertical deflection circuits of said cathode-ray tube display.

Claim 12

In a display system wherein intensity modulating dot signals are used to generate visually displayed symbols as matrices of dots on a medium, the method of controlling the width of the displayed symbols by controllably varying the rate relative to scan speed at which the intensity modulating dot signals associated with each symbol are generated during scans of the medium at uniform speed.

Claim 13

In a display system wherein intensity modulating dot signals are used to generate visually displayed symbols as matrices of dots on a medium, the method of controlling the width of the displayed symbols by controllably varying the rate relative to scan speed at which the intensity modulating dot signals associated with each symbol are generated during scans of the medium at uniform speed.