Calendar display apparatus, calendar display method and computer program product

• US 20010006385A1
• Filed: 11/29/2000
• Published: 07/05/2001
• Est. Priority Date: 12/03/1999
• Status: Active Grant

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Tsukui, Yasuyuki
• Granted Patent: US 6,791,589 B2
• Time in Patent Office: Days
• US Class Current: 345/418
• CPC Class Codes: G06Q 10/109 Time management, e.g. calendars, reminders, meetings or time accounting
• CPC Class Codes: G06Q 10/1093 Calendar-based scheduling for persons or groups
• CPC Class Codes: Y10S 715/963 Calendar or scheduling

Abstract

Even when all selected dates cannot be displayed on a calendar, selected states of all the selected dates can be completely displayed so as to grasp the selected states of the selected dates. Further, the selected states can be simply changed. A calendar display apparatus displays at least one of calendars which display dates and the selected state of each date on a display screen, and is capable of instructing the selected state of each date displayed to be changed, and is capable of changing the display period of the calendar to be displayed on the display screen, and decides whether or not the selected states of all the selected dates can be displayed on the displayed calendar on the basis of data indicating whether or not the date is selected and the display period of the calendar, and displays the selected dates which cannot be displayed on the displayed calendar in the form of a list on a display area in the vicinity of the displayed calendar when it is decided that the selected states of all the selected dates cannot be displayed on the displayed calendar.

Claims

1. A calendar display apparatus, comprising:

calendar display means for displaying at least one of calendars which display dates and a selected state of each date on a display screen;

date selected state change instructing means for instructing the selected state of each date displayed to be changed;

memory means for storing in a memory medium data indicating whether or not said date is selected;

display period change instructing means for changing the display period of the calendar displayed on the display screen;

deciding means for deciding whether or not the selected states of all the selected dates can be displayed on the displayed calendar on the basis of said data and said display period of the calendar; and

date list display means, when it is decided that the selected states of all selected dates cannot be displayed on the displayed calendar, for displaying the selected dates which cannot be displayed on the displayed calendar in the form of a list on a display area in the vicinity of the displayed calendar.

2. The calendar display apparatus according to

claim 1

, wherein said data stored in the memory medium is updated and stored every time said date selected state change instructing means instructs the selected state of the date to be changed.

3. The calendar display apparatus according to

claim 1

, wherein said date selected state change instructing means can instruct the selection of the respective dates displayed on the list by the date list display unit to be cancelled.

4. The calendar display apparatus according to

claim 1

, wherein said selected state of the date is displayed by a check box corresponding to each date and the instruction of the selection and cancellation of each date is inputted through the corresponding check box.

5. The calendar display apparatus according to

claim 1

, further comprising scroll means capable of rolling down or rolling up the list displayed by said date list display means.

6. The calendar display apparatus according to

claim 1

, further comprising calendar selecting means for selecting one or more of desired calendars to be displayed from a calendar selection menu displayed on the display screen, wherein said calendar display means displays the calendar selected by the calendar selecting means.

7. The calendar display apparatus according to

claim 1

, wherein said date list display means divides the list of said selected dates into plural lists of said selected dates and displays the plural lists of said selected dates.

8. The calendar display apparatus according to

claim 1

, wherein said date list display means changes a position in which the list of selected dates is displayed on the basis of said calendar and the selected dates which cannot be displayed on the calendar.

9. The calendar display apparatus according to

claim 1

, wherein said date selected state change instructing means and said display period change instructing means input their instructions by using an input device including a keyboard, a mouse, a track pat, a touch panel, or a touch screen.

10. The calendar display apparatus according to

claim 1

, wherein said calendar display apparatus is included as a part of various kinds of electronic devices operating by using a computer.

11. A calendar display method, comprising:

a calendar display step of displaying at least one of calendars which display dates and the selected state of each date on a display screen;

a date selected state change instructing step of instructing the selected state of each date displayed to be changed;

a display period change instructing step of changing the display period of the calendar displayed on the display screen;

a deciding step of deciding whether or not the selected states of all the selected dates can be displayed on the displayed calendar on the basis of data indicating whether or not the date is selected and said display period of the calendar; and

a date list display step of displaying the selected dates which cannot be displayed on the displayed calendar in the form of a list on a display area in the vicinity of the displayed calendar when it is decided that the selected states of all the selected dates cannot be displayed on the displayed calendar.

12. The calendar display method according to

claim 11

, further comprising a step of storing the data indicating whether or not the date is selected in a memory medium every time the selected state of the date is instructed to be changed in said date selected state change instructing step.

13. The calendar display method according to

claim 11

, wherein said date selected state change instructing step can instruct the selection of the respective dates displayed on the list in the date list display step to be cancelled.

14. The calendar display method according to

claim 11

, wherein said selected state of the date is displayed by a check box corresponding to each date and the instruction of the selection and cancellation of each date is inputted through the corresponding check box.

15. The calendar display method according to

claim 11

, further comprising a scroll step capable of rolling down or rolling up the list displayed by said date list display step.

16. The calendar display method according to

claim 11

, further comprising a calendar selecting step of selecting one or more of desired calendars to be displayed from a calendar selection menu displayed on the display screen,

wherein said calendar display step displays the calendar selected by the calendar selecting step.

17. The calendar display method according to

claim 11

, wherein said date list display step divides the list of dates into a plurality of lists of said selected dates and displays the plural lists of said selected dates.

18. The calendar display method according to

claim 11

, wherein said date list display means changes a position in which the list of selected dates is displayed on the basis of said calendar and the selected dates which cannot be displayed on the calendar.

19. A computer program product for a computer, comprising software code portions for performing the steps of:

a calendar display step of displaying at least one of calendars which display dates and the selected state of each date on a display screen;

a date selected state change instructing step of instructing the selected state of each date displayed to be changed;

a display period change instructing step of changing the display period of the calendar displayed on the display screen;

a deciding step of deciding whether or not the selected states of all the selected dates can be displayed on the displayed calendar on the basis of data indicating whether or not said date is selected and said display period of the calendar; and

a date list display step of displaying the selected dates which cannot be displayed on the displayed calendar in the form of a list on a display area in the vicinity of the displayed calendar when it is decided that the selected states of all the selected dates cannot be displayed on the displayed calendar.

20. The computer program product according to

claim 19

, further comprising a step of storing the data indicating whether or not the date is selected in a memory medium every time the selected state of the date is instructed to be changed in said date selected state change instructing step.

21. The computer program product according to

claim 19

, wherein said date selected state change instructing step can instruct the selection of the respective dates displayed on the list in the date list display step to be cancelled.

22. The computer program product according to

claim 19

, wherein said selected state of the date is displayed by a check box corresponding to each date and the instruction of the selection and cancellation of each date is inputted through the corresponding check box.

23. The computer program product according to

claim 19

, further comprising a scroll step capable of rolling down or rolling up the list displayed in said date list display step.

24. The computer program product according to

claim 19

, further comprising a calendar selecting step of selecting one or more of desired calendars to be displayed from a calendar selection menu displayed on the display screen,

wherein said calendar display step displays the calendar selected in the calendar selecting step.

25. The computer program product according to

claim 19

, wherein said date list display step divides the list of said selected dates into a plurality of lists of said selected dates and displays the plural lists of said selected dates.

26. The computer program product according to

claim 19

, wherein said date list display means changes a position in which the list of selected date is displayed on the basis of said calendar and the selected dates which cannot be displayed on the calendar.

27. A computer program product according to

claim 19

, wherein said computer program product comprises a computer-readable medium on which said software code portions are stored.

28. A computer program product according to

claim 19

, wherein said computer program product is directly loadable into the internal memory of the computer.