Patent US4564304A successfully refreshed from Google Patents.
US4564304A
Expired / Lapsed
US
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Typewriter with resetting function for margin position and tab position
Assignee: Brother Industries Ltd
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Filing: 1984-03-26
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Granted: 1986-01-14
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Expires: 2004-03-26
Abstract
Abstract When data entered from a keyboard of a typewriter is stored in a text memory and a text is created, the text creation work may be stopped temporarily. When a text is created, after stopping the text creation, in continuation to that stored already in the text memory, margin information and tab information in the text already stored in the text memory are retrieved in the text from the beginning to the end, the content of the register to store the margin information and tab information, is rewritten depending on the retrieved margin information and tab information.
Inventors
- 👤 Hideo Ueno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:07
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/42; B41J21/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
293 words
A typewriter capable of resetting margin position and tab position after interruption of text creation, comprising a printing unit for performing printing operation using a printing head supported for movement along printing lines of a printing paper held on a paper holding member; a keyboard having a plurality of character keys, symbol keys and function keys, said function keys including a text memory key and text continuation means including a code key and, said text continuation means being concurrently with another key operable to enable continuing of text creation after interruption of text creation without manual resetting of said margin position and said tab position; a text memory, responsive to operation of said text memory key, for sequentially storing printing data and function data, including margin information and tab information, entered from said keyboard by operation of said character keys, symbol keys and function keys of said keyboard; a work register comprising a work margin register and a work tab margin register, for registering respectively said margin information and said tab information upon entry thereof through said text memory and responsive to below recited sequential rewriting means, for rewriting said margin and tab information; reading means, responsive to turning ON of said text continuation means, for sequentially reading out said printing data and said function data, including said margin information and said tab information, stored in said text memory and in said work register; detecting means for detecting whether data read out by said reading means is margin information or tab information; and sequential rewriting means, responsive to said detecting means detecting margin information or tab information read out by said reading means, for sequentially rewriting contents of said work register to be equal to the contents at the time of said interruption.
Claim 2
Dependent Claim
293 words
A typewriter capable of resetting margin position and tab position after interruption of text creation, comprising a printing unit for performing printing operation using a printing head supported for movement along printing lines of a printing paper held on a paper holding member; a keyboard having a plurality of character keys, symbol keys and function keys, said function keys including a text memory key and text continuation means including a code key and, said text continuation means being concurrently with another key operable to enable continuing of text creation after interruption of text creation without manual resetting of said margin position and said tab position; a text memory, responsive to operation of said text memory key, for sequentially storing printing data and function data, including margin information and tab information, entered from said keyboard by operation of said character keys, symbol keys and function keys of said keyboard; a work register comprising a work margin register and a work tab margin register, for registering respectively said margin information and said tab information upon entry thereof through said text memory and responsive to below recited sequential rewriting means, for rewriting said margin and tab information; reading means, responsive to turning ON of said text continuation means, for sequentially reading out said printing data and said function data, including said margin information and said tab information, stored in said text memory and in said work register; detecting means for detecting whether data read out by said reading means is margin information or tab information; and sequential rewriting means, responsive to said detecting means detecting margin information or tab information read out by said reading means, for sequentially rewriting contents of said work register to be equal to the contents at the time of said interruption.
Claim 3
Dependent Claim
18 words
The typewriter of claim 1, wherein said reading means includes means for starting use of said text memory.
Claim 4
Dependent Claim
38 words
The typewriter of claim 1, wherein said reading means includes a text memory counter which is set to begin text count at start of text reading and which counts each time data is read from said text memory.
Claim 5
Dependent Claim
38 words
The typewriter of claim 3, wherein said reading means further includes a register for storing the end of text and repeats the text until the contents of said text memory counter coincides with the contents of said register.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-01-13 | 1989-07-15 | 1990-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-13 | 1993-07-15 | 1994-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-13 | 1997-07-15 | 1998-01-14 | $7700.00 | Window Closed / Lapsed |