US3648270A — Graphic display system

Claim 1

Independent Claim 103 words

A system for displaying a graphic representation of a value on a display device of the type having a moving raster comprising: means for storing a representation of said value; means for storing a reference value which is initially less than said representation; means for successively adding a predetermined quantity to said reference value in synchronism with the movement of said raster; means operative each time said reference value is added to for comparing the new reference value with said representation; and means responsive to a match in said comparing means for causing a predetermined change in the display on said display device.

Claim 2

Independent Claim 103 words

A system for displaying a graphic representation of a value on a display device of the type having a moving raster comprising: means for storing a representation of said value; means for storing a reference value which is initially less than said representation; means for successively adding a predetermined quantity to said reference value in synchronism with the movement of said raster; means operative each time said reference value is added to for comparing the new reference value with said representation; and means responsive to a match in said comparing means for causing a predetermined change in the display on said display device.

Claim 3

Dependent Claim 19 words

A system of the type described in claim 1 wherein said display device is a cathode ray tube (CRT).

Claim 4

Dependent Claim 38 words

A system of the type described in claim 1 wherein there are a plurality of said values to be graphically represented and including means for applying representations of said values in succession to said value representation storing means.

Claim 5

Dependent Claim 66 words

A system of the type described in claim 1 including means for indicating a selected range for said value representations; means for detecting whether the values applied to said value representation storing means conform to such selected range; and means responsive to a detection that the range of values applied to said value representation storing means differs from said selected range for changing the selected range.

Claim 6

Dependent Claim 22 words

A system of the type described in claim 4 including means responsive to said range indicating means for controlling said predetermined quantity.

Claim 7

Dependent Claim 58 words

A system of the type described in claim 5 wherein said range detecting means includes means for detecting whether a value applied to said value representation storing means is greater than or less than the values of said selected range; and wherein said predetermined quantity controlling means includes means responsive to said detection for increasing said predetermined quantity.

Claim 8

Dependent Claim 73 words

A system of the type described in claim 5 wherein said range detection means includes means for detecting when the values applied to said value representation storing means during a predetermine time period do not exceed in range a selected amount which amount is less than the range indicated by said range indicating means; and wherein said predetermined quantity controlling means includes means responsive to said detecting means for decreasing said predetermined quantity.

Claim 9

Dependent Claim 92 words

A system of the type described in claim 3 wherein there are a fixed number of value representation display positions on said display device; and including means responsive to an attempt to display a new value when all are said display positions of bEing used for displaying the representation of said new value in the display position previously occupied by the most recently received of the displayed values, for shifting all of the displayed values one display position in the appropriate direction, and for eliminating the oldest displayed value from the display.

Claim 10

Dependent Claim 16 words

A system of the type described in claim 1 including means for varying said predetermined quantity.

Claim 11

Dependent Claim 25 words

A system of the type described in claim 1 wherein said predetermined change causing means includes means for displaying a point on said display device.

Claim 12

Dependent Claim 32 words

A system of the type described in claim 10 including means for storing a given value; and means for decrementing said given value by a predetermined amount to obtain said reference value.

Claim 13

Dependent Claim 22 words

A system of the type described in claim 11 including means for controlling the amount by which said given value is decremented.

Claim 14

Dependent Claim 56 words

A system of the type described in claim 11 wherein said value is a last price value for a selected stock; wherein said given value is the close price for said stock on the preceding trading day; and including means for applying succeeding last price values for said selected stock to said value representation storing means.

Claim 15

Dependent Claim 26 words

A system of the type described in claim 13 including means for controlling the range of last prices which may be displayed on said display device.

Claim 16

Dependent Claim 41 words

A system of the type described in claim 14 wherein said range controlling means includes means for controlling the amount by which said given value is decremented, and means for controlling the predetermined quantity successively added to the resulting reference value.

Claim 17

Dependent Claim 30 words

A system of the type described in claim 14 including means for displaying an alpha-numeric indication of the selected stock, the close price, and the range of values being displayed.

Claim 18

Dependent Claim 96 words

A system of the type described in claim 13 wherein there are a fixed number of display positions on said display device at which a last-price value may be displayed; and including means responsive to the receipt of a new last price for said selected stock when all of said display positions are full for displaying the new value in the position previously occupied by the most recently received of the displayed values, for shifting all the displayed values one display position in the appropriate direction, and for eliminating the oldest displayed value from the display.

Claim 19

Dependent Claim 19 words

A system of the type described in claim 1 including means for displaying alpha-numeric information with said graphic representation.

Claim 20

Dependent Claim 48 words

A system of the type described in claim 1 wherein the normal display on said display device is the drawing of a line; and wherein said predetermined change causing means includes means for terminating the drawing of said line in response to a match in said comparing means.

Claim 21

Dependent Claim 50 words

A system of the type described in claim 19 including means for defining a horizontal axis for said display; means for tracing a vertical line on said display device starting at said horizontal axis; and wherein said line drawing terminating means is operative to terminate the drawing of said line.

Claim 22

Dependent Claim 58 words

A system of the type described in claim 20 wherein there are a plurality of said values to be graphically represented and including means for applying representations of said values in succession to said value representations storing means; said line drawing means being operative to draw a line starting at said horizontal axis for each of said values.

Claim 23

Dependent Claim 81 words

A system of the type described in claim 21 wherein two different sets of values are to be simultaneously displayed on said display device; wherein one of said sets of values is displayed by drawing lines starting at said horizontal axis which are terminated in response to a match in a first comparing means; and wherein said second set of values is represented by displaying a point on said display device in response to a match in a second comparing means.

Claim 24

Dependent Claim 50 words

A system of the type described in claim 22 wherein said two sets of values are related with corresponding values in each of said sets being displayed on the same vertical line; and including means for uniquely identifying a point where the two values on a common vertical line intersect.

Claim 25

Dependent Claim 45 words

A system of the type described in claim 23 wherein said means for uniquely identifying includes means for inhibiting the display at a point where a point representing a value of said second set occurs on a line representing a line of said first set.

Claim 26

Dependent Claim 51 words

A system of the type described in claim 21, wherein the values to be displayed are applied to said system as a cumulative amount; and including means responsive to the receipt of a new value for transferring the value in said value representation storing means to said reference value storing means.

Claim 27

Dependent Claim 39 words

A system of the type described in claim 22 wherein said first set of values are volume values for succeeding transactions on a selected stock; and wherein said second set of values are last price values for said transactions.

Claim 28

Dependent Claim 102 words

A system of the type described in claim 1 wherein said graphic representation is of two related values; and including separate means for storing a representation of each of said values; means for comparing the added to reference value with each of said representations; means responsive to a match between said added to reference value and a first of said stored representations for initiating the drawing of a line on said display device; and means responsive to a match between said added-to reference value and the other of said stored representations for terminating the drawing of the line on said display device.

Claim 29

Dependent Claim 70 words

A system of the type described in claim 27 wherein said graphic representation is of three related values; wherein there is a separate one of said storing means and a separate one of said comparing means for each of the three values; and including means responsive to a match between said added-to reference value and the third of said values for causing a unique mark to appear on said line.

Claim 30

Dependent Claim 30 words

A system of the type described in claim 28 wherein said line is a vertical line; and wherein said unique mark is a short horizontal line intersecting said vertical line.

Claim 31

Dependent Claim 33 words

A system of the type described in claim 28 wherein said three values are the low price, high price, and last price respectively for a selected stock during a predetermined period of time.

Claim 32

Dependent Claim 43 words

A system of the type described in claim 27 wherein said display is of at least two sets of related values; and including means for applying succeeding corresponding values from each of said sets in succession to the appropriate value representation storing means.

Claim 33

Dependent Claim 125 words

In a CRT of the type having a raster scan with a plurality of index point containing strokes for each row displayed on the CRT screen, a system for displaying a graphic representation of a value comprising: means for storing a representation of said value; means for storing a reference value which is initially less than said representation; means for successively increasing said reference value in steps of predetermined quantity in synchronism with said raster moving past the index points of a stroke: means for comparing the increased reference value with said representation; and means responsive to a match in said comparing means for causing a predetermined indication to appear on said CRT at the index point being scanned at the time of said match.

Claim 34

Dependent Claim 125 words

In a CRT of the type having a raster scan with a plurality of index point containing strokes for each row displayed on the CRT screen, a system for displaying a graphic representation of a value comprising: means for storing a representation of said value; means for storing a reference value which is initially less than said representation; means for successively increasing said reference value in steps of predetermined quantity in synchronism with said raster moving past the index points of a stroke: means for comparing the increased reference value with said representation; and means responsive to a match in said comparing means for causing a predetermined indication to appear on said CRT at the index point being scanned at the time of said match.

Claim 35

Dependent Claim 31 words

A system of the type described in claim 32 including means operative between the displayed portion of successive strokes for restoring the initial reference value in said reference value storing means.

Claim 36

Independent Claim 104 words

A method of displaying a graphic representation of a value on a CRT of the type having a raster scan with a plurality of index point containing strokes for each row displayed on the CRT screen comprising the steps Of: storing a reference value which is initially less than said representation; successively increasing said reference value in steps of predetermined quantity in synchronism with said raster moving past index points of a stroke; comparing the increased reference value with said representation; and generating a predetermined indication on said CRT at the index point being scanned when a match is detected during said comparing step.

Claim 37

Independent Claim 104 words

A method of displaying a graphic representation of a value on a CRT of the type having a raster scan with a plurality of index point containing strokes for each row displayed on the CRT screen comprising the steps Of: storing a reference value which is initially less than said representation; successively increasing said reference value in steps of predetermined quantity in synchronism with said raster moving past index points of a stroke; comparing the increased reference value with said representation; and generating a predetermined indication on said CRT at the index point being scanned when a match is detected during said comparing step.

Claim 38

Dependent Claim 29 words

A method of the type described in claim 34 including the step of restoring the initial reference value during the time interval between the displayed portion of successive strokes.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1975-03-07	1975-09-06	1976-03-07	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1979-03-07	1979-09-06	1980-03-07	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1983-03-07	1983-09-06	1984-03-07	$7700.00	Window Closed / Lapsed

Graphic display system

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