Patent US4276606A successfully refreshed from Google Patents.
US4276606A
Expired / Lapsed
US
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Date data computer
Assignee: Canon Inc
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Filing: 1979-01-26
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Granted: 1981-06-30
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Expires: 1999-01-26
Abstract
Abstract A computer or calculator for calculating dates or a period of days, wherein a selector device is provided for selecting any one of a plurality of predetermined sequences or orders in which input date data may be manually entered.
Inventors
- 👤 Isao Harigaya
- 👤 Akihiro Yamataka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:37
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/491; G06F15/00; G06F15/02; G06F15/025; G06F7/49; G06Q; G06Q40/00; G06Q40/12
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
111 words
A computer comprising: numerical data input means for entering numerical data into the computer; processor means coupled to said input means for receiving and processing said numerical data; first selecting means for instructing said processor means that the data entered is date data; and second selecting means for instructing said processor means as to the sequence of the date data at the time of entry, wherein said selecting means permits selection of one of plurality of predetermined different sequences, and wherein said processor means processes the entered data in response to the instruction from said second selecting means when said first selecting means instructs that the data entered is date data.
Claim 2
Dependent Claim
111 words
A computer comprising: numerical data input means for entering numerical data into the computer; processor means coupled to said input means for receiving and processing said numerical data; first selecting means for instructing said processor means that the data entered is date data; and second selecting means for instructing said processor means as to the sequence of the date data at the time of entry, wherein said selecting means permits selection of one of plurality of predetermined different sequences, and wherein said processor means processes the entered data in response to the instruction from said second selecting means when said first selecting means instructs that the data entered is date data.
Claim 3
Dependent Claim
30 words
A computer in accordance with claim 1, wherein said processor means arranges the entered date data in a single predetermined sequence in response to operation of said second selecting means.
Claim 4
Dependent Claim
25 words
A computer in accordance with claim 1, wherein said processor means includes a read only memory in which procedures for said processor means are stored.
Claim 5
Dependent Claim
30 words
A computer in accordance with claim 3, wherein said processor means arranges the date data in a single predetermined sequence under the control of the procedures stored in said memory.
Claim 6
Dependent Claim
15 words
A computer in accordance with claim 4, wherein said second instructing means is manually operable.
Claim 7
Dependent Claim
107 words
A computer comprising: input means for entering different sequences of data into the computer, wherein said input means is adapted to enter date data in any of the sequence modes of year, month and day; day, month and year; and month, day and year; selecting means for selecting any of a plurality of predetermined sequence modes in which data is entered by the input means; and processor means coupled to said input means and said selecting means for processing the entered data in response to the identification by said selecting means of the selected sequence mode, wherein said processor means processes the data in said predetermined sequence.
Claim 8
Dependent Claim
107 words
A computer comprising: input means for entering different sequences of data into the computer, wherein said input means is adapted to enter date data in any of the sequence modes of year, month and day; day, month and year; and month, day and year; selecting means for selecting any of a plurality of predetermined sequence modes in which data is entered by the input means; and processor means coupled to said input means and said selecting means for processing the entered data in response to the identification by said selecting means of the selected sequence mode, wherein said processor means processes the data in said predetermined sequence.
Claim 9
Dependent Claim
16 words
A computer in accordance with claim 6, wherein said selecting means comprises a manually operable switch.
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) | 1984-06-29 | 1984-12-29 | 1985-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-29 | 1988-12-29 | 1989-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-29 | 1992-12-29 | 1993-06-30 | $7700.00 | Window Closed / Lapsed |