Patent US4633458A successfully refreshed from Google Patents.
Patent US4840499A successfully refreshed from Google Patents.
US4840499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display control device for a typewriter which displays both input characters and format information
Assignee: Brother Industries Ltd
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Filing: 1987-12-08
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Granted: 1989-06-20
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Expires: 2007-12-08
Abstract
Abstract Disclosed is a display control device which supplies the associated display screen with not only character information inputted by a user but also with the format information indicating the format situation around the current cursor position, so that a user can know the format situation of both the region where data are being entered and moreover the blank area where no character data have yet been entered, therefore advantageously making the display screen smaller relative to the sheet and the entire structure simpler.
Inventors
- 👤 Ryoichi Sasaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:49
CPC Classifications
G; G06; G06F; G06F40/00; G06F40/10; G06F40/166; G06F40/183
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
105 words
A display control device for a typewriter comprising: input means for inputting character data and format setting data; format memory means for storing the format setting data; a display unit having a plurality of display positions, each of said display positions being able to display a character corresponding to the character data inputted by the input means; and control means for displaying individual forms, according to the format setting data stored in the format memory means, within each of the display positions before the character data is inputted, and for displaying the character in place of the individual form when the character data is inputted.
Claim 2
Dependent Claim
105 words
A display control device for a typewriter comprising: input means for inputting character data and format setting data; format memory means for storing the format setting data; a display unit having a plurality of display positions, each of said display positions being able to display a character corresponding to the character data inputted by the input means; and control means for displaying individual forms, according to the format setting data stored in the format memory means, within each of the display positions before the character data is inputted, and for displaying the character in place of the individual form when the character data is inputted.
Claim 3
Dependent Claim
32 words
The display control device for a typewriter according to claim 1, wherein the format setting data comprises a left margin data, tabulation data, a hot zone data, and a right margin data.
Claim 4
Dependent Claim
20 words
The display control device for a typewriter according to claim 1, wherein the individual forms are displayed as individual symbols.
Claim 5
Dependent Claim
48 words
The display control device for a typewriter according to claim 1, further comprising initial format memory means for storing standard format setting data, wherein the control means displays individual forms, according to the standard format setting data, within each of the display positions upon switching the typewriter on.
Claim 6
Dependent Claim
37 words
The display control device for a typewriter according to claim 1, wherein the number of the display positions is smaller than that of the number of characters printable on a printing sheet being used in the typewriter.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-06-19 | 1992-12-19 | 1993-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-19 | 1996-12-19 | 1997-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-19 | 2000-12-19 | 2001-06-20 | $7700.00 | Window Closed / Lapsed |