1. A computer system, comprising:
an operating system that includes a first device driver, a second device driver and a third device driver, each of the device drivers being configured to communicate directly with the other device drivers by a software interface;
a hardware layer that includes a first inputoutput device controlled by the first device driver, a second inputoutput device controlled by the second device driver, and a third inputoutput device controlled by the third device driver,
wherein the first inputoutput device is configured to transmit data to the first device driver, the first device driver is configured to transmit data directly to the second device driver, and the second device driver is configured to transmit data to the second inputoutput device;
an application program configured to issue a bridge command to establish the direct communication between any two of the first, second and third device drivers; and
a data buffer for storing all data transmitted between the first, second and third device drivers.
2. The computer system of claim 1, wherein the first inputoutput device transmits data to the first device driver in response to a request from the operating system.
3. The computer system of claim 1, further comprising an application layer that includes an application program, wherein the operating system is configured to communicate with the application program.
4. The computer system of claim 3, wherein the first inputoutput device transmits data to the first device driver in response to a request from the application program.
5. The computer system of claim 1, wherein the first device driver is configured to process the data received from the first inputoutput device and to transmit processed data directly to the second device driver.
6. The computer system of claim 1, wherein the hardware layer further includes a third inputoutput device, and the operating system further includes a third device driver configured to control the third inputoutput device and to transmit data to the third inputoutput device.
7. The computer system of claim 6, wherein the second device driver is configured to transmit data directly to the third device driver.
8. The computer system of claim 7, wherein the first device driver is configured to transmit data directly to the third device driver.
9. The computer system of claim 1, wherein the data transmitted from the first device driver to the second device driver comprises a frame buffer handle.
10. The computer system of claim 9, wherein the second device driver accesses data from a frame buffer, the accessed data being of a type associated with the second device driver, and transmits the data to the second inputoutput device.
11. A computing device as claimed in claim 1 wherein each of the device drivers comprises a software handle comprising a data structure to identify the related inputoutput device, the application program issuing the bridge command to establish communication between the handles of the drivers.
12. The computer system of claim 11, wherein the first inputoutput device is a network interface card, the first device driver is a network device driver, the second inputoutput device is an audio interface card, the second device driver is an audio device driver, the third inputoutput device is a video interface card, the third device driver is a video device driver, and the network interface card is configured to request data from a network and to transmit the requested data to the network device driver in response to a command from the operating system, causing a first context switch.
13. The computer system of claim 12, wherein the data requested from the network is multimedia data, and the network device driver is configured to decode the multimedia data into audio data and video data, to transmit the audio data directly to the audio device driver and to transmit the video data directly to the video device driver, a second context switch occurring when the requested data has been processed and transmitted.
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 vehicle seat comprising:
a receiver configured to mount to a sitting part, wherein the receiver comprises a first bore having a concentric recess, and a stop longitudinally offset from the first bore;
a fitting part configured to mount to a backrest, wherein the fitting part comprises a second bore having a cylindrical convexity, the second bore is configured to engage the first bore to block movement of the fitting part relative to the receiver, and the stop is configured to block rotation of the fitting part relative to the receiver via contact with the fitting part;
a first fastener configured to engage the first bore and the second bore to secure the fitting part to the receiver; and
a second fastener configured to engage a third bore of the receiver and a fourth bore of the fitting part to secure the fitting part to the receiver.
2. The vehicle seat of claim 1, wherein the stop is positioned rearward of the first bore to block rotation of the fitting part in a rearward direction.
3. A vehicle seat comprising:
a receiver configured to mount to a sitting part, wherein the receiver comprises a first bore having a concentric recess, and a stop longitudinally offset from the first bore; and
a fitting part configured to mount to a backrest, wherein the fitting part comprises a second bore having a cylindrical convexity;
wherein the second bore is configured to engage the first bore to block movement of the fitting part relative to the receiver, and the stop is configured to block rotation of the fitting part relative to the receiver via contact with the fitting part;
wherein the fitting part is biased toward the receiver to urge the cylindrical convexity of the second bore into the concentric recess of the first bore.
4. The vehicle seat of claim 3, wherein the stop is positioned rearward of the first bore to block rotation of the fitting part in a rearward direction.
5. A vehicle seat comprising:
a receiver configured to mount to a sitting part, wherein the receiver comprises a first bore having a concentric recess, and a stop longitudinally offset from the first bore;
a fitting part configured to mount to a backrest, wherein the fitting part comprises a second bore having a cylindrical convexity, the second bore is configured to engage the first bore to block movement of the fitting part relative to the receiver, the fitting part is biased toward the receiver to urge the cylindrical convexity of the second bore into the concentric recess of the first bore, and the stop is configured to block rotation of the fitting part relative to the receiver via contact with the fitting part;
a first fastener configured to engage the first bore and the second bore to secure the fitting part to the receiver; and
a second fastener configured to engage a third bore of the receiver and a fourth bore of the fitting part to secure the fitting part to the receiver.
6. The vehicle seat of claim 5, wherein the stop is positioned rearward of the first bore to block rotation of the fitting part in a rearward direction.