1. A method comprising:
associating a first device comprising a camera installed in a passenger vehicle with a first wireless router; and
receiving an IP address at the first device, wherein the IP address is associated with the first device.
2. The method of claim 1 further comprising:
receiving a first request to control a direction at which an image is to be captured by the camera;
receiving a second request to have the camera capture and provide the image to a second device, wherein the second request is based upon information originated at the second device;
wirelessly transmitting image information representative of the image along with an IP address of second device; and
honoring the request to provide the image only when the second device is a member of the same service set as the first device.
3. The method of claim 1 further comprising:
registering the first device with a subscription service at a defined IP address subsequent to receiving the IP address;
receiving a first request to control a direction at which an image is to be captured by the camera;
receiving a second request to have the camera capture and provide the image; and
honoring the second request to provide the image only if registering has occurred, wherein honoring includes wirelessly transmitting image information representing the image from the first device to a destination address.
4. The method of claim 1 wherein honoring the second request further comprises wirelessly transmitting an IP address of the first wireless router along with the image information.
5. The method of claim 1 further comprising:
receiving first information comprising a request for an image to be provided from the camera to a second device.
6. The method of claim 5 further comprising:
wirelessly transmitting image information representative of the image along with an IP address of the first wireless router.
7. The method of claim 5 wherein the first information is based upon information originated at the second device.
8. The method of claim 5 further comprising:
receiving second information comprising a request to control a direction at which the image is to be taken.
9. The method of claim 1 further comprising:
registering the IP address received from the wireless router with a subscription service.
10. The method of claim 9 further comprising:
receiving first information comprising a request for an image to be provided from the camera; and
honoring the request for the image only when the first device is a member of the same service set as the device.
11. The method of claim 10 wherein the service set is an extended service set.
12. The method of claim 10 wherein the service set is a basic service set.
13. The method of claim 9 further comprising:
disabling transmission of image information from the camera to a destination address until registering has occurred.
14. The method of claim 13 further comprising:
receiving first information comprising a request for an image to be provided from the camera to a first device; and
honoring the request for the image only when the first information is received from the subscription service.
15. The method of claim 1 further comprises powering the device from a power supply of the passenger vehicle.
16. The method of claim 1 further comprising:
receiving first information comprising a request for an image to be provided from the camera; and
honoring the request for the image only when the first device is a member of the same service set as the device.
17. An apparatus comprising:
a passenger vehicle;
a camera mounted to the passenger vehicle, the camera comprising a communications interface to receive remote requests to obtain and provide information including representations of taken images; and
an IP-based wireless communications controller coupled to the communications interface.
18. The apparatus of claim 17 further comprises a control module coupled to the wireless communications controller to receive remote requests to control a direction at which an image is taken.
19. The apparatus of claim 18 wherein the camera comprises the remote controlled module.
20. A method comprising:
determining a first request is for a first destination device, wherein the first destination device comprises a camera installed in a passenger vehicle;
wirelessly transmitting the first request to an IP address associated with the first destination device in response to determining the first request is for the first destination device, wherein the first request is a request to the first destination device to take a first picture of a first area proximate the first destination device; and
receiving a first response from the first destination device comprising information representing the first picture.
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. A method of generating source line voltages in a display device, comprising:
receiving gray scale data for a first sub-pixel of a pixel;
generating a first source line voltage for the first sub-pixel from the gray scale data; and
generating a second source line voltage for a second sub-pixel of the pixel from the gray scale data of the first sub-pixel.
2. The method of claim 1, further comprising:
generating the first source line voltage from the gray scale data and a first luminance curve; and
generating the second source line voltage from the gray scale data of the first sub-pixel and a second luminance curve.
3. The method of claim 2, wherein generating the first source line voltage includes the steps of:
selecting, from the first luminance curve, first high and low reference voltages for a DA (digital to analog) converter depending on at least one most-significant bit of the gray scale data; and
digital to analog converting at least one least-significant bit of the gray scale data at the DA converter with the selected first high and low reference voltages.
4. The method of claim 3, wherein generating the second source line voltage includes the steps of:
selecting, from the second luminance curve, second high and low reference voltages for the DA converter depending on the at least one most-significant bit of the gray scale data; and
digital to analog converting the at least one least-significant bit of the gray scale data at the DA converter with the selected second high and low reference voltages.
5. The method of claim 3, wherein the DA converter is linear.
6. The method of claim 2, wherein the first and second luminance curves together are for upper gamma reference voltages or for lower gamma reference voltages.
7. The method of claim 6, wherein the first and second luminance curves are for the upper gamma reference voltages when the sub-pixels are driven for a positive polarity, and are for the lower gamma reference voltages when the sub-pixels are driven for a negative polarity.
8. The method of claim 6, wherein the luminance curves for the upper and lower gamma reference voltages are alternately used for generating successive sets of first and second source line voltages.
9. The method of claim 1, further comprising:
generating the first and second source line voltages during one line-time.
10. A source driver of a display device, the source driver comprising:
a storage unit for receiving and storing gray scale data for a first sub-pixel of a pixel; and
a source line voltage generator for generating a first source line voltage for the first sub-pixel from the gray scale data, and for generating a second source line voltage for a second sub-pixel of the pixel from the gray scale data of the first sub-pixel.
11. The source driver of claim 10, wherein the source line voltage generator generates the first source line voltage from the gray scale data and a first luminance curve, and generates the second source line voltage from the gray scale data of the first sub-pixel and a second luminance curve.
12. The source driver of claim 11, wherein the source line voltage generator includes:
a DA (digital to analog) converter; and
a reference voltage generator for selecting, from the first and second luminance curve, first high and low reference voltages and second high and low reference voltages for the DA converter depending on at least one most-significant bit of the gray scale data;
wherein the DA converter converts at least one least-significant bit of the gray scale data with the selected first high and low reference voltages to generate the first source line voltage, and with the selected second high and low reference voltages to generate the second source line voltage.
13. The source driver of claim 12, wherein the reference voltage generator includes:
AB selectors, each selecting a respective set of reference voltages from the luminance curves depending on which of the sub-pixels is to be driven;
an upperlower selector for selecting one respective set of reference voltages from the AB selectors depending on which polarity is indicated; and
a VH,VL selector for selecting high and low reference voltages from the selected respective set of reference voltages depending on select signals generated from the at least one most-significant bit of the gray scale data.
14. The source driver of claim 12, wherein the DA converter is linear.
15. The source driver of claim 12, wherein the DA converter is a charge redistribution DA converter.
16. The source driver of claim 11, wherein the first and second luminance curves together are for upper gamma reference voltages or for lower gamma reference voltages.
17. The source driver of claim 16, wherein the first and second luminance curves are for the upper gamma reference voltages when the sub-pixels are driven for a positive polarity, and are for the lower gamma reference voltages when the sub-pixels are driven for a negative polarity.
18. The source driver of claim 16, wherein the luminance curves for the upper and lower gamma reference voltages are alternately used for generating successive sets of first and second source line voltages.
19. The source driver of claim 10, wherein the source line voltage generator generates the first and second source line voltages during one line-time.
20. A display device comprising:
a display panel having a plurality of gate lines and source lines;
gate drivers for generating scan signals of the gate lines; and
source drivers for generating source line voltages of the source lines, each source driver comprising:
a storage unit for receiving and storing gray scale data for a first sub-pixel of a pixel; and
a source line voltage generator for generating a first source line voltage for the first sub-pixel from the gray scale data, and for generating a second source line voltage for a second sub-pixel of the pixel from the gray scale data of the first sub-pixel.
21. The display device of claim 20, wherein the source line voltage generator generates the first source line voltage from the gray scale data and a first luminance curve, and generates the second source line voltage from the gray scale data of the first sub-pixel and a second luminance curve.
22. The display device of claim 21, wherein the source line voltage generator includes:
a DA (digital to analog) converter; and
a reference voltage generator for selecting, from the first and second luminance curves, first high and low reference voltages and second high and low reference voltages for the DA converter depending on at least one most-significant bit of the gray scale data;
wherein the DA converter converts at least one least-significant bit of the gray scale data with the selected first high and low reference voltages to generate the first source line voltage, and with the selected second high and low reference voltages to generate the second source line voltage.
23. The display device of claim 22, wherein the reference voltage generator includes:
AB selectors, each selecting a respective set of reference voltages from the luminance curves depending on which of the sub-pixels is to be driven;
an upperlower selector for selecting one respective set of reference voltages from the AB selectors depending on which polarity is indicated; and
a VH,VL selector for selecting high and low reference voltages from the selected respective set of reference voltages depending on select signals generated from the at least one most-significant bit of the gray scale data.
24. The display device of claim 22, wherein the DA converter is linear.
25. The display device of claim 22, wherein the DA converter is a charge redistribution DA converter.
26. The display device of claim 21, wherein the first and second luminance curves together are for one of upper gamma reference voltages or lower gamma reference voltages.
27. The display device of claim 26, wherein the first and second luminance curves are for the upper gamma reference voltages when the sub-pixels are driven for a positive polarity, and are for the lower gamma reference voltages when the sub-pixels are driven for a negative polarity.
28. The display device of claim 26, wherein the luminance curves for the upper and lower gamma reference voltages are alternately used for generating successive sets of first and second source line voltages.
29. The display device of claim 20, wherein the display panel is a liquid crystal display (LCD) panel.
30. The display device of claim 20, wherein the source line voltage generator generates the first and second source line voltages during one line-time.