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US3821729A
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Arrangement for controlling the orientation of characters on a display device utilizing angle defining data syllables and data addition for such syllables
Assignee: Wincor Nixdorf International GmbH
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Filing: 1973-03-09
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Granted: 1974-06-28
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Expires: 1993-03-09
Abstract
Abstract An arrangement for illustrating characters which consist of character segments in which data is fed in in the form of code words by means of a character input device, such as a keyboard or a computer. A read only memory stores the character segment data for retrieval and display on a data display device via digital/analog converters and a deflection unit which causes deflection of a character creating element, such as an electron beam, in accordance with the character segment data. An adder is connected to the read only memory and is fed syllables of the character segment data corresponding to angles by which the character to be illustrated is to be disposed with respect to a coordinate system or with respect to a character segment. The adder feeds the digital/analog converters by way of register and decoding apparatus.
Inventors
- 👤 M Schultze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:30
CPC Classifications
G; G09; G09G; G09G1/00; G09G1/06; G09G1/08; G09G1/10
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
191 words
An arrangement for the illustration of characters consisting of character segments, comprising: a read only memory storing character segment data; a character data input device connected to said read only memory and operable to address said read only memory for providing character segment data including control data corresponding to the angular disposition of a character with respect to a reference; a data display device including a deflectable character writing eleMent; digital/analog deflection apparatus connected between said read only memory and said data display device for controlling the deflection of said writing element in accordance with the data read from said read only memory; and means for controlling the operation of said data display device, said means comprising an adder having inputs connected to said read only memory, said adder receiving data at said inputs corresponding to the angular disposition of the character to be illustrated, said adder including other inputs and outputs, a register connected between said outputs of said adder and said other inputs of said adder, and gating means interposed between said register and said other inputs and operable to effect adding to determine the orientation of a character.
Claim 2
Dependent Claim
191 words
An arrangement for the illustration of characters consisting of character segments, comprising: a read only memory storing character segment data; a character data input device connected to said read only memory and operable to address said read only memory for providing character segment data including control data corresponding to the angular disposition of a character with respect to a reference; a data display device including a deflectable character writing eleMent; digital/analog deflection apparatus connected between said read only memory and said data display device for controlling the deflection of said writing element in accordance with the data read from said read only memory; and means for controlling the operation of said data display device, said means comprising an adder having inputs connected to said read only memory, said adder receiving data at said inputs corresponding to the angular disposition of the character to be illustrated, said adder including other inputs and outputs, a register connected between said outputs of said adder and said other inputs of said adder, and gating means interposed between said register and said other inputs and operable to effect adding to determine the orientation of a character.
Claim 3
Dependent Claim
47 words
An arrangement according to claim 1, wherein said gating means includes means for receiving a signal to effect the adding process, and comprising a decoder for receiving the control data from said read only memory, said decoder connected to supply the control signal to said gating means.
Claim 4
Dependent Claim
33 words
An arrangement according to claim 2 wherein said register includes a control input connected to said decoder for receiving a control signal for causing said register to feed data to said gating means.
Claim 5
Dependent Claim
47 words
An arrangement according to claim 1, comprising a decoder connected between said adder and said digital/analog deflection apparatus, and counting means connected to said decoder and to said digital/analog deflection apparatus for determining the initial points of a character segment referred to a set of coordinate axes.
Claim 6
Dependent Claim
83 words
An arrangement according to claim 4, comprising a counting register for receivinng data from said read only memory corresponding to the length of a character segment and operated to decrease in count upon the illustration of each character segment until a predetermined count has been reached, and further gating means connected between said adder and said decoder and operating to an open condition as long as said counting register has not reached said predetermined count and closed in response to said predetermined count.
Claim 7
Dependent Claim
24 words
An arrangement according to claim 1, comprising a further register connected between the outputs of said adder and the inputs of the first-mentioned register.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |