1. An adaptive integrated circuit, comprising:
a substrate;
a process monitor configured to measure a substrate parameter of the substrate;
a controller module configured to classify the semiconductor substrate as being a fast semiconductor substrate or a slow semiconductor substrate based upon the substrate parameter;
a fast semiconductor substrate module, including a first logic circuit that is formed using high threshold voltage semiconductor devices, configured to be active when the semiconductor substrate is classified as being the fast semiconductor substrate; and
a slow semiconductor substrate module, including a second logic circuit that is formed using low threshold voltage semiconductor devices, configured to be active when the semiconductor substrate is classified as being the slow semiconductor substrate.
2. The adaptive integrated circuit of claim 1, wherein the processor monitor comprises:
a ring oscillator configured to provide an oscillating clock signal having an oscillation frequency as the substrate parameter.
3. The adaptive integrated circuit of claim 1, wherein the controller module is further configured to:
determine an expected substrate parameter from among a plurality of expected substrate parameters that corresponds to an actual value of the substrate parameter;
mapping the expected substrate parameter to a corresponding standard deviation from a plurality of standard deviations;
classify the semiconductor substrate as being the slow semiconductor substrate when the corresponding standard deviation is less than zero, as being the fast semiconductor substrate when the corresponding standard deviation is greater than zero, or as being either the slow or the fast semiconductor substrate when the corresponding standard deviation is equal to zero.
4. The adaptive integrated circuit of claim 1, wherein the second logic circuit is configured to perform a substantially similar signal processing function as the first logic circuit.
5. The adaptive integrated circuit of claim 1, wherein the fast semiconductor substrate module is further configured to be inactive when the semiconductor substrate is classified as being the slow semiconductor substrate, and
wherein the slow semiconductor substrate module is further configured to be inactive when the semiconductor substrate is classified as being the last semiconductor substrate.
6. The adaptive integrated circuit of claim 1, wherein the controller module is further configured to provide a fast-substrate mode control signal to couple the fast semiconductor substrate module to at least one supply potential to activate the fast semiconductor substrate module when the semiconductor substrate is classified as being the fast semiconductor substrate, and
wherein the controller module is further configured to provide a slow-substrate mode control signal to couple the slow semiconductor substrate module to the at least one supply potential to activate the slow semiconductor substrate module when the semiconductor substrate is classified as being the slow semiconductor substrate.
7. The adaptive integrated circuit of claim 6, wherein the controller module is further configured to provide the fast-substrate mode control signal to decouple the fast semiconductor substrate module from the at least one supply potential to deactivate the fast semiconductor substrate module when the semiconductor substrate is classified as being the slow semiconductor substrate, and
wherein the controller module is further configured to provide the slow-substrate mode control signal to decouple the slow semiconductor substrate module from the at least one supply potential to deactivate the fast semiconductor substrate module when the semiconductor substrate is classified as being the fast semiconductor substrate.
8. The adaptive integrated circuit of claim 1, wherein the high threshold voltage semiconductor devices are characterized as having a lower operating speed and a lesser leakage current when compared to the low threshold voltage semiconductor devices.
9. An adaptive integrated circuit formed onto a substrate, comprising:
a controller module configured to classify the semiconductor substrate as being a fast semiconductor substrate or a slow semiconductor substrate;
a fast semiconductor substrate module including a high threshold voltage semiconductor device that is configured to continuously process an input signal; and
a slow semiconductor substrate module including a low threshold voltage semiconductor device that is configured to process the input signal only when the semiconductor substrate is classified as being the slow semiconductor substrate.
10. The adaptive integrated circuit of claim 9, further comprising:
a process monitor configured to measure a substrate parameter of the substrate,
wherein the controller module is further configured to classify the semiconductor substrate based upon the substrate parameter.
11. The adaptive integrated circuit of claim 9, wherein the slow semiconductor substrate module comprises:
a first and a second activation switch coupled to a first and a second supply potential, respectively; and
a logic circuit, coupled between the first and second activation switches, formed using the low threshold voltage semiconductor device,
wherein the controller module is configured to activate the first and second activation switches only when the semiconductor substrate is classified as being the slow semiconductor substrate.
12. The adaptive integrated circuit of claim 9, wherein the slow semiconductor substrate module and the fast semiconductor substrate module are configured to process the input signal in accordance with substantially similar signal processing functions using the low threshold voltage semiconductor device and the high threshold voltage semiconductor device, respectively.
13. The adaptive integrated circuit of claim 9, wherein the slow semiconductor substrate module is further configured to be inactive when the semiconductor substrate is classified as being the fast semiconductor substrate.
14. The adaptive integrated circuit of claim 9, wherein the controller module is further configured to provide a slow-substrate mode control signal to couple the slow semiconductor substrate module to at least one supply potential to activate the slow semiconductor substrate module when the semiconductor substrate is classified as being the slow semiconductor substrate or to decouple the slow semiconductor substrate module from the at least one supply potential to deactivate the slow semiconductor substrate module when the semiconductor substrate is classified as being the fast semiconductor substrate.
15. An adaptive integrated circuit, comprising:
a controller module configured to cause the adaptive integrated circuit to operate in a fast-substrate mode of operation or in a slow-substrate mode of operation;
a fast semiconductor substrate module, including a first logic circuit that is formed using high threshold voltage semiconductor devices, configured to be active in the fast-substrate mode of operation; and
a slow semiconductor substrate module, including a second logic circuit that is formed using low threshold voltage semiconductor devices, configured to be active in the slow-substrate mode of operation.
16. The adaptive integrated circuit of claim 15, wherein the fast semiconductor module is further configured to be active in the slow-substrate mode of operation.
17. The adaptive integrated circuit of claim 15, wherein the fast semiconductor substrate module is characterized as having a lower operating speed and a lesser leakage current when compared to the slow semiconductor substrate module.
18. The adaptive integrated circuit of claim 15, wherein the controller is configured to cause the adaptive integrated circuit to operate in the fast-substrate mode of operation when an operational frequency of the adaptive integrated circuit is above a minimum operational frequency and a leakage power of the adaptive integrated circuit is below a maximum leakage power or to operate in the slow-substrate mode of operation when the operational frequency is below the minimum operational frequency or the, leakage power is above the maximum leakage power.
19. The adaptive integrated circuit of claim 15, wherein the slow semiconductor substrate module comprises:
a first and, a second activation switch coupled to a first and a second supply potential, respectively; and
a first logic circuit, coupled between the first and second activation switches, formed using the low threshold voltage semiconductor devices, wherein the controller module is configured to activate the first and second activation switches when in the slow-substrate mode of operation.
20. The adaptive integrated circuit of claim 19, wherein the fast semiconductor substrate module comprises:
a third and a fourth activation switch coupled to the first and the second supply potential, respectively; and
a second logic circuit, coupled between the first and second activation switches, formed using the high threshold voltage semiconductor devices and configured to perform a substantially similar signal processing function as the first logic circuit,
wherein the controller module is configured to activate the third and fourth activation switches when in the fast-substrate mode of operation.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. An integrated front projection display comprising:
a) a front projection screen;
b) a movable arm coupled to the flat projection screen, the arm having a storage position and a projection position; and
c) a front projection head coupled to the arm, wherein when the arm is in the projection position, the front projection head is at a predetermined position with respect to the front projection screen wherein the projection head includes projection optics having:
i) a mechanical off-axis keystone correction compensation greater or approximately equal to 22,
ii) a throw distance of at most 800 mm, and
iii) a throw-to-screen diagonal ratio of at most 1; and
d) a digital whiteboard system comprising at least one sensor to track the movement of a stylus on the projection screen.
2. The integrated front projection display of claim 1, wherein the screen includes an erasable whiteboard.
3. The integrated front projection display of claim 1, wherein the at least one sensor is a UV sensor.
4. The integrated front projection display of claim 1, wherein the at least one sensor is an IR sensor.
5. The integrated front projection display of claim 1, wherein the at least one sensor is a laser sensor.
6. The integrated front projection display of claim 1, further comprising a stylus, wherein the stylus includes transmitters that provide signals to the at least one sensor.
7. The integrated front projection display of claim 1, wherein the front projection screen is mounted on a frame housing having a side bezel and the digital whiteboard system is mounted on one of said side bezel of said frame housing.
8. The integrated front projection display of claim 7, wherein the at least one sensor is attached to said frame housing.
9. The integrated front projection display of claim 8, wherein the digital whiteboard system is modular and removable.
10. The integrated front projection display of claim 1, wherein the digital whiteboard system is modular and removable.
11. An integrated front projection display system comprising:
a) a planar projection screen formed on a front surface of a rigid frame, the screen including means for reflecting light from the screen in a preselected spatial distribution;
b) a movable arm hingedly connected at a first end to the rigid frame, the arm being movable between a storage position and a projection position, the arm further comprising means for moving the arm between said storage and projection positions and for retaining the arm at each of said positions;
c) a projection head mounted on a second end of the movable arm such that it does not substantially obstruct the view of the projection screen when the arm is in the projection position, the projection head including means for providing an image to be displayed, means for focusing the image onto the projection screen, and means for correcting the keystone effect in the projected image when the arm is in the projection position.; and
d) a digital whiteboard system comprising at least one sensor to track the movement of a stylus on the projection screen.
12. The integrated front projection display of claim 11, wherein the screen includes an erasable whiteboard.
13. The integrated front projection display of claim 11, wherein the at least one sensor is a UV sensor.
14. The integrated front projection display of claim 11, wherein the at least one sensor is an IR sensor.
15. The integrated front projection display of claim 11, wherein the at least one sensor is a laser sensor.
16. The integrated front projection display of claim 11, further comprising a stylus, wherein the stylus includes transmitters that provide signals to the at least one sensor.
17. The integrated front projection display of claim 11, wherein the frame has at least one side member and the digital whiteboard system is mounted on one of said side member.
18. The integrated front projection display of claim 17, wherein the at least one sensor is attached to said frame.
19. The integrated front projection display of claim 18, wherein the digital whiteboard system is modular and removable.
20. The integrated front projection display of claim 11, wherein the digital whiteboard system is modular and removable.
21. A front projection system comprising:
a) a front projection screen; and
b) a front projector device integrally coupled to the projection screen, the projector device having:
i) a mechanical off-axis keystone correction compensation greater or approximately equal to 22,
ii) a throw distance of at most 800 mm,
iii) a throw-to-screen diagonal ratio of at most one; and
c) a digital whiteboard system comprising at least one sensor to track the movement of a stylus on the projection screen.
22. The integrated front projection display of claim 21, wherein the screen includes an erasable whiteboard.
23. The integrated front projection display of claim 21, wherein the at least one sensor is a UV sensor.
24. The integrated front projection display of claim 21, wherein the at least one sensor is an IR sensor.
25. The integrated front projection display of claim 21, wherein the at least one sensor is a laser sensor.
26. The integrated front projection display of claim 21, further comprising a stylus, wherein the stylus includes transmitters that provide signals to the at least one sensor.
27. The integrated front projection display of claim 21, wherein the front projection screen is mounted on a frame housing having a side bezel and the digital whiteboard system is mounted on one of said side bezel of said frame housing.
28. The integrated front projection display of claim 27, wherein the at least one sensor is attached to said frame housing.
29. The integrated front projection display of claim 28, wherein the digital whiteboard system is modular and removable.
30. The integrated front projection display of claim 21, wherein the digital whiteboard system is modular and removable.