1. A system for TV internet accessing, the system comprising:
a PC;
a TV set;
a communication cable;
a PC connecting set, comprising: a PC connecting set host designed with a PC interface module integrated with a PC video signal driver circuit, a PC port communication cable interface, a PC port display card interface, a PC port USB driver circuit and a PC port USB interface, where a port of the PC video signal driver circuit is connected with the PC port display card interface and a port of the PC port communication cable interface, a port of the PC port USB driver circuit is connected with the PC port USB interface and another port of the PC port communication cable interface, and the PC port communication cable interface transmits video signals and USB signals over the communication cable; and
a TV connecting set, comprising: a TV connecting set host designed with a TV interface module integrated with a TV video signal receiving circuit, a TV port USB driver circuit, a USB Hub circuit, a TV port communication cable interface and a TV port video interface, where a port of the TV video signal receiving circuit is connected with the TV port video interface and another port is connected with the TV port communication cable interface, a port of the TV port USB driver circuit is connected with the USB Hub circuit and another port is connected with the TV port communication cable interface, wherein,
a display card interface A of the PC is connected with the PC port display card interface of the PC connecting set, a USB interface of the PC is connected with the PC port USB interface, the PC port communication cable interface of the PC connecting set is connected with the TV port communication cable interface of the TV connecting set via the communication cable, the TV port video interface of the TV connecting set is connected with a video input interface B of the TV, and a TV port audio interface is connected with an audio interface B of the TV, wherein
in a dual-workstation mode, a PC user and a TV user each control a set of application software that is independently running in an operating system of the PC through respective keyboard, mouse or remote controllers at the respective TV and PC, and enjoy independently displayed content and sounds.
2. The system of claim 1, wherein a VGA output interface of the PC connecting set is connected with a monitor.
3. The system of claim 2, wherein the PC USB interface together with the USB Hub circuit, a USB device in the TV interface module and an external USB device form a USB system, and video signals output from the PC display card interface A are transmitted to the TV via the PC interface module and the TV interface module.
4. The system of claim 1, wherein the PC includes a primary and secondary display card, the primary display card being connected with the PC port display card interface and the secondary display card being connected with a monitor.
5. The system of claim 4, wherein the PC USB interface together with the USB Hub circuit, a USB device in the TV interface module and an external USB device form a USB system, and video signals output from the PC display card interface A are transmitted to the TV via the PC interface module and the TV interface module.
6. The system of claim 1, wherein the PC includes a primary and secondary display card, the primary display card being connected with a monitor and the secondary display card being connected with the PC port display card interface.
7. The system of claim 6, wherein the secondary display card and the PC interface module are integrated into a PCI integrated card, said PCI integrated card is designed in the PC and connected with the TV interface module via the communication cable.
8. The system of claim 7, wherein the PC USB interface together with the USB Hub circuit, a USB device in the TV interface module and an external USB device form a USB system, and video signals output from the PC display card interface A are transmitted to the TV via the PC interface module and the TV interface module.
9. The system of claim 6, wherein the PC USB interface together with the USB Hub circuit, a USB device in the TV interface module and an external USB device form a USB system, and video signals output from the PC display card interface A are transmitted to the TV via the PC interface module and the TV interface module.
10. The system of claim 1, further comprising an external USB device, said external USB device being connected with the TV port USB interface.
11. The system of claim 10, wherein the PC USB interface together with the USB Hub circuit, a USB device in the TV interface module and an external USB device form a USB system, and video signals output from the PC display card interface A are transmitted to the TV via the PC interface module and the TV interface module.
12. The system of claim 1, wherein the PC USB interface together with the USB Hub circuit, a USB device in the TV interface module and an external USB device form a USB system, and video signals output from the PC display card interface A are transmitted to the TV via the PC interface module and the TV interface module.
13. The system of claim 12, wherein a USB AV collection and compression device digitally gathers and compresses TV AV signals transmitted from a TV AV signal source and sends them to the PC via the TV interface module and the PC interface module.
14. A method for operating the system of claim 1 in a single-workstation mode, comprising a PC user and a TV user jointly controlling a single set of application software running in an operating system of the PC through respective keyboard, mouse or remote controller at the respective TV and PC and enjoying the same displayed content and sounds.
15. The system of claim 1, wherein the PC interface module is also integrated with a VGA signal multiplexing circuit and a VGA output interface, the VGA output interface being connected with the PC port display card interface via the VGA signal multiplexing circuit.
16. The system of claim 1, wherein the PC interface module is also integrated with a PC video signal conversion circuit, where a port of the PC video signal conversion circuit is connected with the PC port display card interface and another port is connected with the PC video signal driver circuit.
17. The system of claim 1, wherein the TV interface module is also integrated with a TV video signal conversion circuit, where a port of the TV video signal conversion circuit is connected with the TV port video interface and another port is connected with the TV video signal receiving circuit.
18. The system of claim 1, wherein the TV interface module is also integrated with a USB device and a TV port USB interface, said USB device being connected with the USB Hub circuit and the TV port USB interface is connected with the USB Hub circuit.
19. The system of claim 1, wherein the USB device is a USB sound card, said USB sound card is connected with the USB Hub circuit, and said USB sound card is integrated with a TV port audio interface and a TV port microphone interface.
20. The system of claim 1, wherein the USB device is either a USB-PS2 interface converter, a USB infrared receiver, a USB radio-frequency receiver, a USB AV collection and compression device or a combination thereof.
21. A method for operating system for TV interne accessing,
the system comprising:
a PC;
a TV set;
a communication cable;
a PC connecting set, comprising: a PC connecting set host designed with a PC interface module integrated with a PC video signal driver circuit, a PC port communication cable interface, a PC port display card interface, a PC port USB driver circuit and a PC port USB interface, where a port of the PC video signal driver circuit is connected with the PC port display card interface and a port of the PC port communication cable interface, a port of the PC port USB driver circuit is connected with the PC port USB interface and another port of the PC port communication cable interface, and the PC port communication cable interface transmits video signals and USB signals over the communication cable; and
a TV connecting set, comprising: a TV connecting set host designed with a TV interface module integrated with a TV video signal receiving circuit, a TV port USB driver circuit, a USB Flub circuit, a TV port communication cable interface and a TV port video interface, where a port of the TV video signal receiving circuit is connected with the TV port video interface and another port is connected with the TV port communication cable interface, a port of the TV port USB driver circuit is connected with the USB Hub circuit and another port is connected with the TV port communication cable interface, wherein,
a display card interface A of the PC is connected with the PC port display card interface of the PC connecting set, a USB interface of the PC is connected with the PC port USB interface, the PC port communication cable interface of the PC connecting set is connected with the TV port communication cable interface of the TV connecting set via the communication cable, the TV port video interface of the TV connecting set is connected with a video input interface B of the TV, and a TV port audio interface is connected with an audio interface B of the TV,
the method for operating the system in a dual-workstation mode, comprising a PC user and a TV user each controlling a set of application software that is independently running in an operating system of the PC through respective keyboard, mouse or remote controllers at the respective TV and PC and enjoying independently displayed content and sounds.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
I claim:
1. A method of determining a G-factor correction to the measured fluorescence polarization of a first sample which contains at least a first probe comprising the following steps:
illuminating the sample to effect fluorescence emission from the first probe with a beam of excitation light that is linearly polarized along a first axis;
measuring the intensities of a first component of the fluorescence emission that is polarized along the first axis and a second component of the fluorescence emission that is polarized orthogonal to the first axis while the sample is illuminated with the beam of excitation light to obtain a measured fluorescence polarization of the first probe;
switching the state of polarization of the beam of excitation light to a polarization state wherein said beam is linearly polarized along a second axis substantially orthogonal to the first axis;
measuring the intensities of a third component of fluorescence emission that is polarized along the first axis and a fourth component that is polarized orthogonal to the first axis while the sample is illuminated with the beam of excitation light that is linearly polarized along the second axis; and
calculating the absolute fluorescence polarization of the first probe based on the measurements of the intensities of the first, second, third and fourth components; and
calculating the G-factor correction for the first probe from the absolute fluorescence polarization and the measured fluorescence polarization.
2. The method of claim 1 wherein the step of calculating the absolute fluorescence polarization of the first probe includes a correction for changes in exposure flux between the measurements of the intensities of the first and second components.
3. The method of claim 1 wherein the step of calculating the absolute fluorescence polarization of the first probe includes a correction for changes in excitation flux between the measurements of the intensities of the first and second components.
4. The method of claim 1 further including the steps of obtaining the measured fluorescence polarization of the first probe for additional samples; and
calculating the absolute fluorescence polarizations of the first probe for the additional samples from the G-factor correction for the first probe and the measured fluorescence polarizations of the first probe for the additional samples.
5. The method of claim 4 wherein the step of calculating the absolute fluorescence polarization of the additional samples includes a correction for changes in exposure flux between the measurements of the intensities of the first and second components.
6. The method of claim 1 wherein the step of calculating the absolute fluorescence polarization of the additional samples includes a correction for changes in excitation flux between the measurements of the intensities of the first and second components.
7. The method of claim 1 wherein the sample contains two or more probes which exhibit fluorescence polarizations further comprising the steps of:
illuminating the sample to effect fluorescence emission from a second probe with a beam of excitation light that is linearly polarized along a third axis;
measuring the intensities of a first component of the fluorescence emission from the second probe that is polarized along the third axis and a second component of the fluorescence emission that is polarized orthogonal to the third axis while the sample is illuminated with the beam of excitation light to obtain a measured fluorescence polarization of the second probe;
switching the state of polarization of the beam of excitation light to a polarization state wherein said excitation beam is linearly polarized along a fourth axis substantially orthogonal to the third axis;
measuring the intensities of a third component of fluorescence emission that is polarized along the third axis and a fourth component of fluorescence emission that is polarized orthogonal to the third axis while the sample is illuminated with the excitation beam linearly polarized along the fourth axis; and
calculating the absolute fluorescence polarization of the second probe based on the measurements of the intensities of the first, second, third and fourth components of fluorescence emission; and
calculating the G-factor correction for the second probe from the absolute fluorescence polarization and the measured fluorescence polarization of the second probe.
8. The method of claim 7 wherein the third axis is the same as the first axis, and the fourth axis is the same as the second axis.