Patent US4428681A successfully refreshed from Google Patents.
US4428681A
Expired / Lapsed
US
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Date display device
Assignee: Casio Computer Co Ltd
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Filing: 1979-12-13
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Granted: 1984-01-31
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Expires: 1999-12-13
Abstract
Abstract The data display device has a memory section to store a specific day or days for different countries or regions of the world. The specific day data read out from the memory section, and which is peculiar to a specific country or region, is transferred to a display section to be displayed thereby.
Inventors
- 👤 Toshio Kashio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:39
CPC Classifications
G; G04; G04G; G04G9/00; G04G9/0082; G04G11/00; G04G9/0076; G04G9/08; G04G9/085
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
113 words
A date display device comprising: a specific date memory means for storing date data of specific days including the holidays of a plurality of different local districts; district select means for selecting a specific district from among said plurality of different local districts; date data reading means coupled to said district select means for reading from said specific date memory means the date data of the specific days of the local district which is selected by said district select means; and date display means coupled to said date data reading means for displaying the date data of the specific days which is read out by the action of said date data reading means.
Claim 2
Dependent Claim
113 words
A date display device comprising: a specific date memory means for storing date data of specific days including the holidays of a plurality of different local districts; district select means for selecting a specific district from among said plurality of different local districts; date data reading means coupled to said district select means for reading from said specific date memory means the date data of the specific days of the local district which is selected by said district select means; and date display means coupled to said date data reading means for displaying the date data of the specific days which is read out by the action of said date data reading means.
Claim 3
Dependent Claim
51 words
The date display device of claim 1, wherein said specific date memory means includes: a holiday memory section for fixedly storing the date data of the holidays of said plurality of different districts; and a memory section for storing the date data which can be set by a user at will.
Claim 4
Dependent Claim
37 words
The date display device of claim 1, wherein said district select means comprises a steppable counter means for producing an output for selecting said plurality of different districts in a predetermined sequence according to its step counts.
Claim 5
Dependent Claim
32 words
The date display device of claim 1, wherein said date display comprises a numerical value display element for displaying date data read from said specific date memory means as a numerical value.
Claim 6
Dependent Claim
49 words
The date display device of claim 1, wherein said date display means comprises: a calendar display element for displaying the calendar of one month; and a specific date display element for displaying the date data of the specific day which is read out from said specific date memory means.
Claim 7
Dependent Claim
26 words
The date display device of claim 1, wherein said date display means comprises a month display element for displaying the month of the displayed specific date.
Claim 8
Dependent Claim
39 words
The date display device of claim 1, wherein said date display means comprises a district display element for displaying that the date being displayed is the specific date of a specified one of said plurality of different local districts.
Claim 9
Dependent Claim
24 words
The date display device of claim 1, wherein said district select means includes a manually operable switch means for manually selecting said specific district.
Claim 10
Dependent Claim
52 words
The date display device of claim 3, wherein said district select means further comprises a manually operable switch means coupled to said counter means for stepping the count of said counter means on each manual operation of said switch means to thereby select a specific one of said plurality of different districts.
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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) | 1987-01-30 | 1987-08-01 | 1988-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-30 | 1991-08-01 | 1992-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-30 | 1995-08-01 | 1996-01-31 | $7700.00 | Window Closed / Lapsed |