What is claimed is:
1. A variable valve timing control apparatus of an internal combustion engine for controlling valve timing of an intake valve or an exhaust valve corresponding to an operation condition of the internal combustion engine comprising:
a target advance angle setting means (200) for setting a valve timing target advance angle corresponding to the operation condition of the internal combustion engine;
a feedback control means for feedback-controlling the valve timing to the target advance angle;
a transitionalsteady state determining means (503) for determining whether the operation condition of the internal combustion engine is in a transitional or steady state; and
a feedback gain variable means (504, 505) for variably setting the feedback gain of the feedback control based on a determination result from the transitionalsteady state determining means (503).
2. The variable valve timing control apparatus according to claim 1, wherein the feedback gain variable means (504, 505) switches the feedback gain between a steady-state and transition mode, said feedback gain variable means (504, 505) variably setting the feedback gain corresponding to a transition degree when in a transitional state.
3. A variable valve timing control apparatus of an internal combustion engine for controlling valve timing of an intake valve or exhaust valve corresponding to an operation condition of the internal combustion engine comprising:
a target advance angle setting means (200) for setting a target advance angle of the valve timing corresponding to the operation condition of the internal combustion engine;
a feedback control means for feedback-controlling the valve timing to the target advance angle;
a transitionalsteady state determining means (503) for determining whether the operation condition of the internal combustion engine is in a transitional or steady state; and
a target advance angle variable means for variably setting the target advance angle based on a determination result obtained from the transitionalsteady state determining means (503).
4. The variable valve timing control apparatus according to claim 3, wherein the target advance correction means variably sets the target advance angle corresponding to a transition degree when in a transitional state.
5. The variable valve timing control apparatus according to claim 3, wherein the transitionalsteady state determining means (503) determines the transitional or steady state based on a throttle opening change per unit time.
6. The variable valve timing control apparatus according to claim 3, wherein the transitionalsteady state determining means (503) determines the transitional or steady state based on an intake air flow change or intake pipe pressure change per unit time.
7. The variable valve timing control apparatus of an internal combustion engine according to claim 3, wherein the transitionalsteady state determining means (503) determines the transitional or steady state based on a target advance angle change per unit time.
8. A method for controlling valve timing in an internal combustion engine, comprising:
determining a valve timing target advance angle based on an operation condition of the internal combustion engine;
determining whether the operation condition is in a transitional state or steady state;
controlling the valve timing to the target advance angle by a first gain factor if the operation condition is in a steady state; and
controlling the valve timing by a second gain factor if the operation condition is in the transitional state.
9. The method for controlling valve timing as claimed in claim 8, wherein the second gain factor is greater than the first gain factor, wherein said second gain factor increases a valve timing responsiveness greater than the first gain factor.
10. The method for controlling valve timing as claimed in claim 8, wherein the operation condition of the internal combustion engine is determined to be in either the transitional state or steady state by at least an engine speed or an air intake flow.
11. The method for controlling valve timing as claimed in claim 8, wherein said valve timing is controlled by increasing an oil pressure supplied to valves of said internal combustion engine.
12. The method for controlling valve timing as claimed in claim 11, wherein said valves are intake valves.
13. The method for controlling valve timing as claimed in claim 11, wherein said valves are exhaust valves.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An apparatus for a game interface on a wireless communication device with projector capability, the apparatus comprising:
an integrated projector lens configured to project a desired image on a wall or a projection screen, wherein the integrated projector lens is exposed from a casing of the wireless communication device; and
a hardware andor software module configured to adjust a current orientation of the desired image before the desired image is projected from the integrated projector lens with a corrected orientation of the desired image to the wall or the projection screen, wherein the adjustment of the current orientation to the corrected orientation of the desired image may be necessary depending on a frontal surface, a rear surface, andor another surface usage of the wireless communication device by a user.
2. The apparatus of claim 1, further comprising a dedicated game interface operatively attached to a surface of the wireless communication device, wherein the dedicated game interface comprises at least one directional control and a fire button.
3. The apparatus of claim 1, further comprising a keyboard andor a keypad on a rear surface of the wireless communication device.
4. The apparatus of claim 1, further comprising a sliding mechanism for the dedicated game interface, wherein the sliding mechanism enables the dedicated game interface to move up, down, andor sideways on the surface of the wireless communication device.
5. The apparatus of claim 1, further comprising a first game software configured to be executed on the wireless communication device, or a second game software configured to be operated by a game-hosting entity communicating with the wireless communication device, wherein the wireless communication device utilizes the integrated projector lens to project graphics related to the game software on the wall or the projection screen.
6. The apparatus of claim 5, wherein the game-hosting entity enables another user of another wireless communication device to interactively participate in a game with a first user of the wireless communication device via a wireless communication device network.
7. The apparatus of claim 1, wherein the dedicated game interface is configured to split from the surface of the wireless communication device and communicate data with a remaining wireless communication device body with a wired connection or a wireless connection.
8. An apparatus for a game interface on a wireless communication device with projector capability, the apparatus comprising:
a projector lens configured to project a desired image on a wall or a projection screen, wherein the projector lens is part of a projector body operatively connected to the wireless communication device and wherein the projector body is configured to extend from, retract to, or dock with a casing of a wireless communication device; and
a dedicated game interface operatively attached to a surface of the wireless communication device, wherein the dedicated game interface comprises at least one directional control and a fire button.
9. The apparatus of claim 8, further comprising a hardware andor software module configured to adjust a current orientation of the desired image before the desired image is projected from the projector lens with a corrected orientation of the desired image to the wall or the projection screen, wherein the adjustment of the current orientation to the corrected orientation of the desired image may be necessary depending on a frontal surface, a rear surface, andor another surface usage of the wireless communication device by a user.
10. The apparatus of claim 8, further comprising a hardware andor software module configured to invert a current orientation of the desired image before the desired image is projected from the projector lens to the wall or the projection screen, wherein the inversion of the current orientation of the desired image may be necessary depending on a frontal surface or a rear surface usage of the wireless communication device by a user.
11. The apparatus of claim 8, further comprising a keyboard andor a keypad on a rear surface of the wireless communication device.
12. The apparatus of claim 8, further comprising a sliding mechanism for the dedicated game interface, wherein the sliding mechanism enables the dedicated game interface to move up, down, andor sideways on the surface of the wireless communication device.
13. The apparatus of claim 8, further comprising a first game software configured to be executed on the wireless communication device, or a second game software configured to be operated by a game-hosting entity communicating with the wireless communication device, wherein the wireless communication device utilizes the projector lens to project graphics related to the game software on the wall or the projection screen.
14. The apparatus of claim 13, wherein the game-hosting entity enables another user of another wireless communication device to interactively participate in a game with a first user of the wireless communication device via a wireless communication device network.
15. The apparatus of claim 8, wherein the dedicated game interface is configured to split from the surface of the wireless communication device and communicate data with a remaining wireless communication device body with a wired connection or a wireless connection.
16. A method for using a dedicated game interface on a wireless communication device with projector capability, the method comprising:
executing a first game software resident in the wireless communication device or executing a second game software operated by a game-hosting entity communicating with the wireless communication device;
enabling an integrated projector on a surface of the wireless communication device or enabling an extendable and retractable projector from the wireless communication device for projection of game-related graphics on a wall or a projection screen;
receiving a game-related user input from a dedicated game interface comprising a directional control and one or more fire buttons, wherein the dedicated game interface is located on a surface of the wireless communication device; and
projecting the game-related graphics on the wall or the projection screen from the integrated projector on the surface of the wireless communication device, or from the extendable and retractable projector from the wireless communication device, wherein the game-related graphics incorporate the game-related user input from the dedicated game interface.
17. The method of claim 16, further comprising a step of determining a correct projection orientation of the game-related graphics on the wall or the projection screen, wherein the step of determining the correct projection orientation utilizes a hardware andor software module, which is capable of detecting a current usage of a frontal surface, a rear surface, andor another surface usage of the wireless communication device and re-orienting a current projection orientation of the game-related graphics to the correct projection orientation if necessary.
18. The method of claim 16, further comprising a step of projecting the game-related graphics on the wall or the projection screen, wherein the game-related graphics further incorporate inputs from one or more networked game players via the game-hosting entity for the second game software.
19. The method of claim 16, further comprising a step of disabling a display screen of the wireless communication device when the integrated projector on the surface of the wireless communication device or the extendable and retractable projector from the wireless communication device is enabled for projection of the game-related graphics.