IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0202968
(2002-07-24)
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등록번호 |
US-7298397
(2007-11-20)
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발명자
/ 주소 |
- Cooper,Alan Neal
- Fritz,Christopher Michael
- Exner,James Walter
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
2 인용 특허 :
6 |
초록
▼
The present invention provides a video transmission system that comprises a camera and a base unit. The camera includes a sensor memory adapted to store video data until each line of the video data is sequentially transmitted, a data buffer adapted to receive and store the sequentially transmitted v
The present invention provides a video transmission system that comprises a camera and a base unit. The camera includes a sensor memory adapted to store video data until each line of the video data is sequentially transmitted, a data buffer adapted to receive and store the sequentially transmitted video data until it is completely received at a base unit memory without errors, a data port adapted to receive from the data buffer and transmit to a camera physical transceiver the data buffered video data, a controller adapted to control data flow between the camera and the base unit, and the camera physical transceiver adapted to transfer the data buffered video data to a physical transceiver of the base unit. The base unit includes the base unit physical transceiver adapted to receive the transferred video data, a base unit data port adapted to receive from the base unit physical transceiver and transmit to a data buffer of the base unit, the transferred video data, a controller adapted to control data flow between the base unit and the camera, the base unit data buffer adapted to store the transferred video data from the base unit data port until it is completely received at the base unit physical transceiver without errors, and the base unit memory adapted to receive and sequentially store each line of the transferred video data.
대표청구항
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We claim: 1. A video transmission system comprising: a camera including: a sensor memory adapted to store video data having lines until each said line of the stored video data is sequentially transmitted; a data buffer adapted to receive and store a first said line of the sequentially transmitted v
We claim: 1. A video transmission system comprising: a camera including: a sensor memory adapted to store video data having lines until each said line of the stored video data is sequentially transmitted; a data buffer adapted to receive and store a first said line of the sequentially transmitted video data until the line is completely received at a base unit memory without errors, wherein the data buffer is operably coupled to the sensor memory; a data port adapted to receive the first line from the data buffer and transmit the first line to a camera physical transceiver, wherein the data port is operably coupled to the data buffer; a controller adapted to control data flow between the camera and a base unit, wherein the controller is operably coupled to the data port; and the camera physical transceiver adapted to transfer the first line to a physical transceiver of the base unit, wherein the camera physical transceiver is operably coupled to the data port; and wherein the base unit includes: the base unit physical transceiver adapted to receive the transferred first line, wherein the base unit physical transceiver is operably coupled to the camera physical transceiver; a base unit data port adapted to receive the first line from the base unit physical transceiver and transmit the first line to a base unit data buffer, wherein the data port is operably coupled to the base unit physical transceiver; a controller adapted to control data flow between the base unit and the camera, wherein the controller is operably coupled to the data port; the base unit data buffer adapted to store the first line video data from the base unit data port until it is completely received at the base unit physical transceiver without errors, wherein the base unit data buffer is operably coupled to the base unit data port; and the base unit memory adapted to receive and sequentially store each said line of the transferred video data, wherein the base unit memory is operably coupled to the data buffer. 2. The video transmission system of claim 1 further comprising a camera sensor, wherein the video data is sequentially transmitted from the sensor memory in RGB color space format native to the camera sensor, and wherein the camera sensor comprises the sensor memory. 3. The video transmission system of claim 2 further comprising an A/D converter adapted to convert the video data from analog data to digital data, wherein the A/D converter interfaces to the sensor memory and the camera data buffer. 4. The video transmission system of claim 3 further comprising a programmable logic device (PLD) adapted to control timing signals of the camera sensor, wherein the timing signals are utilized to move the video data out of the camera sensor memory, through the A/D converter, and into the data buffer, and wherein the PLD interfaces to the A/D converter and the camera data buffer. 5. The video transmission system of claim 1, wherein the base unit physical transceiver is adapted to transmit an acknowledgement to the camera physical transceiver after each said line of the transferred video data is received without errors from the camera physical transceiver. 6. The video transmission system of claim 5, wherein the base unit controller is adapted to confirm, via the data port, that each said line of the transferred video data was received without errors at the base unit physical transceiver. 7. The video transmission system of claim 5, wherein the sensor memory is adapted to increment to a next said line of the video data to be sequentially transmitted when the acknowledgement is received by the camera controller. 8. The video transmission system of claim 5, wherein the camera data buffer is adapted to retransmit the line of the sequentially transmitted video data when the acknowledgement is not received by the camera controller within an amount of time. 9. The video transmission system of claim 8, wherein the camera data buffer includes: an input multiplexer; a first one line first-in-first-out (FIFO) memory; a second one line FIFO memory; and an output multiplexer, wherein the input multiplexer and the output multiplexer are operably coupled to the first one line FIFO memory and the second one line FIFO memory, wherein the first one line FIFO memory is adapted to receive and store the video data and wherein the second one line FIFO memory is adapted to store the line of the video data to be retransmitted. 10. The video transmission system of claim 1, wherein the data ports are further adapted to simultaneously transmit and receive video and non-video data. 11. The video transmission system of claim 1, wherein the physical transceivers are adapted to simultaneously transfer and receive video and non-video data. 12. A video transmission system comprising: a camera including: a camera memory adapted to store a frame of video data having lines, and delete a previous said line when a next said line of the frame is read, until each said line of the frame is transmitted to and received at a destination; wherein the camera memory is adapted to read the next line of the frame when the previous line of the frame is received at the destination; and wherein the next line of the frame is read upon receiving an acknowledgement of the previous line transmission; and wherein the destination includes: a destination memory adapted to store a last complete received said frame of the video data from the camera memory. 13. The video transmission system of claim 12 further comprising a display adapted to receive information from the camera memory. 14. A camera comprising: a sensor memory adapted to store one of a plurality of frames having lines of video data until each said line of the one frame is transmitted to and received at a destination; wherein the sensor memory is adapted to read a next said line of the one frame when a previous said line is received at the destination; a data buffer adapted to receive the plurality of frames and store them until they are completely received at the destination without errors, wherein the data buffer is operably coupled to the sensor memory and a data port; and a physical transceiver adapted to transmit the frames to the destination, wherein the physical transceiver is operably coupled to the data port. 15. The camera of claim 14, wherein the sensor memory is adapted to delete the previous said line when it is received at the destination. 16. The camera of claim 14, wherein the sensor memory is adapted to store a next said frame of the plurality of frames of video data when each said line of the one frame is received at the destination. 17. The camera of claim 14, wherein the data port is adapted to transmit and receive non-video data to and from the destination. 18. The camera of claim 14 further comprising: a controller adapted to control a flow of data between the camera and the destination, wherein the controller is operably coupled to the data port; and wherein the physical transceiver is adapted to receive the data from the destination. 19. A video transmission system comprising: a camera including: a sensor memory adapted to store previous video data and delete the stored previous video data having lines when each said line of the stored previous video data is sequentially transmitted; a sensor adapted to sequentially transmit the previous video data in RGB color space format native to the camera sensor, wherein the camera sensor comprises the sensor memory; a programmable logic device (PLD) adapted to convert the sequentially transmitted previous video data into YUV color space format and transmit the YUV data to a data buffer, wherein the PLD interfaces to the sensor memory and the data buffer; wherein the data buffer is adapted to receive and store the YUV data until it is completely received at a base unit memory without errors, wherein the data buffer is operably coupled to the sensor memory; and a camera physical transceiver adapted to transmit the stored YUV data to a base unit physical transceiver, wherein the camera physical transceiver is operably coupled to the data buffer via a data port; and wherein the base unit includes: the base unit physical transceiver adapted to receive the transmitted YUV data from the camera physical transceiver, wherein the base unit physical transceiver is operably coupled to the camera physical transceiver; a data buffer adapted to store the received YUV data from the base unit physical transceiver until it is completely received at the base unit physical transceiver without errors, wherein the data buffer is operably coupled to the base unit physical transceiver via a data port; and the base unit memory adapted to sequentially store each line of the received YUV data, wherein the base unit memory is operably coupled to the data buffer. 20. The video transmission system of claim 19, wherein the camera data buffer is adapted to delete the YUV data when it is completely received at the base unit memory without errors. 21. A video transmission system comprising: a camera including: a sensor memory adapted to store previous video data and delete the stored previous video data when each line of the stored previous video data is sequentially transmitted; a sensor adapted to sequentially transmit the previous video data as RGB analog data, wherein the camera sensor comprises the sensor memory; an A/D converter adapted to convert the RGB analog data into RGB digital data and transmit the RGB digital data to a data buffer, wherein the A/D converter interfaces to the sensor and the data buffer; wherein the data buffer is adapted to receive and store the RGB digital data until it is completely received at a base unit memory without errors, wherein the data buffer is operably coupled to the sensor memory; and a camera physical transceiver adapted to transmit the stored RGB digital data to a base unit physical transceiver, wherein the camera physical transceiver is operably coupled to the data buffer via a data port; and wherein the base unit includes: the base unit physical transceiver adapted to receive the transmitted RGB digital data from the camera physical transceiver, wherein the base unit physical transceiver is operably coupled to the camera physical transceiver; a data buffer adapted to store the received RGB digital data from the base unit physical transceiver until it is completely received at the base unit physical transceiver without errors, wherein the data buffer is operably coupled to the base unit physical transceiver via a data port; and the base unit memory adapted to sequentially store each line of the received RGB digital data, wherein the base unit memory is operably coupled to the data buffer. 22. The video transmission system of claim 21, wherein the camera data buffer is adapted to delete the RGB digital data when it is completely received at the base unit memory without errors.
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