Pointer operation apparatus and program for controlling same

• US 20080053248A1
• Filed: 08/31/2007
• Published: 03/06/2008
• Est. Priority Date: 09/05/2006
• Status: Active Grant

• Current Assignee: DENSO Corporation
• Original Assignee: DENSO Corporation
• Inventors: Oki, Tetsuya
• Granted Patent: US 7,770,470 B2
• Time in Patent Office: Days
• US Class Current: 73/862.53
• CPC Class Codes: G06F 3/016 Input arrangements with force or tactile feedback as computer generated output to the user
• CPC Class Codes: G06F 3/0338 with detection of limited linear or angular displacement of an operating part of the device from a neutral position, e.g. isotonic or isometric joysticks
• CPC Class Codes: G06F 3/0383 Signal control means within the pointing device

Abstract

A pointer operation apparatus having a reaction force to a user operation changes an intensity of the reaction force according to respective users and/or user'"'"'s conditions by using an operation unit, a force applicator, and other units. The intensity of the reaction force is determined by the pointer operation apparatus based on a relationship between a position of a pointer on a display unit and the reaction force applied to the operation unit, and the force applicator is controlled according to the relationship and the pointer position by the pointer operation apparatus. The relationship is changed based on a history of a pointer position movement (e.g., a speed/path of a pointer movement) recorded by the pointer operation apparatus.

Claims

1. A pointer operation apparatus comprising:

an operation unit that is susceptible to a movement caused by a user operation;

a force applicator that applies a force to the operation unit;

a signal output unit that outputs a position signal to a display control unit according to a position of the operation unit;

an association unit that associates a pointer position displayed on a display unit under control of the display control unit according to the position signal and the force applied to the operation unit by the force applicator by using a predetermined relationship;

a force control unit that controls the force applicator to yield a force that accords with a current pointer position based on the predetermined relationship determined by the association unit; and

a recording unit that records a movement history of the pointer position, wherein the association unit changes the predetermined relationship based on the movement history recorded by the recording unit.

2. The pointer operation apparatus as in claim 1 further comprising:

a user input unit that receives a determination instruction for determining the pointer position from a user,

wherein the association unit changes the predetermined relationship based on the movement history of the pointer position during a selected period that is defined as a period between a start of the user operation of the operation unit and the determination instruction by using the user input unit.

3. The pointer operation apparatus as in claim 2,

wherein the association unit decreases the force in the predetermined relationship based on a fact that the trace of a pointer position movement in the selected period is a detour path.

4. The pointer operation apparatus as in claim 2,

wherein the association unit increases the force in the predetermined relationship based on a fact that the trace of a pointer position movement takes a return path that passes a final pointer position in the selected period before returning to the final pointer position.

5. The pointer operation apparatus as in claim 1,

wherein the association unit decreases the force in the predetermined relationship based on a fact that the trace of a pointer position movement is a path of a forced back route under an influence of the force from the force applicator.

6. The pointer operation apparatus as in claim 1,

wherein the association unit decreases the force in the predetermined relationship when a speed difference between a speed of a pointer position movement in a first period during which the force applicator does not apply a reactive force to the operation unit and a speed of a pointer position movement in a second period that succeeds the first period, during which the force applicator applies a reactive force to the operation unit is greater than a standard difference.

7. The pointer operation apparatus as in claim 1,

wherein the association unit increases the force in the predetermined relationship when a speed difference between a speed of a pointer position movement in a first period when the force applicator does not applies a reactive force to the operation unit and a speed of a pointer position movement in a second period that succeeds the first period, during which the force applicator applies a reactive force to the operation unit is smaller than a standard difference.

8. The pointer operation apparatus as in claim 6,

wherein the standard difference increases in proportion to the reactive force.

9. The pointer operation apparatus as in claim 1,

wherein the association unit decreases the force in the predetermined relationship when a speed of a pointer position movement in a period during which the force applicator applies the reactive force to the operation unit is smaller than a standard speed.

10. The pointer operation apparatus as in claim 1,

wherein the association unit increases the force in the predetermined relationship when a speed of a pointer position movement in a period during which the force applicator applies a reactive force to the operation unit is greater than a standard speed.

11. The pointer operation apparatus as in claim 9,

wherein the standard speed decreases in reverse proportion to the reactive force.

12. The pointer operation apparatus as in claim 1,

wherein the association unit excludes the movement history in a standard period after a start of an operation of the operation unit from a subject movement history that is used to change the predetermined relationship.

13. The pointer operation apparatus as in claim 1 further comprising:

a user input unit that receives a determination instruction for determining the pointer position from a user,

wherein the association unit excludes the movement history in a standard period that immediately precedes the determination instruction from a user from a subject history that is used to change the predetermined relationship.

14. The pointer operation apparatus as in claim 1 further comprising:

a user input unit that receives a determination instruction for determining the pointer position from a user,

wherein the association unit excludes the movement history in the selected period from a subject movement history that is used to change the predetermined relationship when an amount of a pointer position movement in the selected period is smaller than a standard movement distance in the selected period.

15. A program stored in a memory medium for operating a computer to serve as function units comprising steps of:

providing an association unit that determines a predetermined association between an amount of a force to be applied to an operation unit from a force applicator and a pointer position on a display unit under control of a display control apparatus based on a position signal being output according to a position of the operation unit that is moved by a user operation;

providing a force control unit that controls the force applicator to yield a force that accords with a current position of a pointer based on the predetermined association determined by the association unit; and

providing a recording unit that records a movement history of a pointer position,

wherein the association unit changes the predetermined association based on the movement history recorded by the recording unit.