Video multiplexor-encoder and decoder-converter

Claim 2

A video multiplexor-encoder for receiving, time-division multiplexing and encoding a plurality of video signals representing a plurality of video imaged for transfer and simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video multiplexor-encoder comprising: multiplexor means for receiving and selectively time-division multiplexing a plurality of asynchronous video signals which represent a plurality of corresponding video images to produce a corresponding multiplexed video signal; and encoder means coupled to the multiplexor means for receiving and selectively encoding the multiplexed video signal so as to include display control data.

Claim 3

A video multiplexor-encoder as recited in claim 1, further comprising computer means coupled to the encoder means for programmably providing the display control data thereto.

Claim 4

A video multiplexor-encoder as recited in claim 1, wherein the multiplexor means comprises: a video multiplexor for receiving multiplex control data and in accordance therewith time-division multiplexing the received plurality of video signals; and an analog-to-digital converter coupled to the video multiplexor for receiving and converting the time-division multiplexed plurality of video signals to the multiplexed video signal.

Claim 5

A video multiplexor-encoder as recited in claim 3, further comprising computer means coupled to the encoder means and the multiplexor means for programmably providing the display control data and the multiplex control data thereto, respectively.

Claim 6

A video multiplexor-encoder as recited in claim 1, wherein the encoder means comprises: computer means for programmably providing the display control data; memory means coupled to the computer means and the multiplexor means for receiving and storing the display control data and the multiplexed video signal; and a digital-to-analog converter coupled to the memory means for receiving and converting the stored display control data and the stored multiplexed video signal to an analog, encoded, multiplexed video signal.

Claim 7

A video multiplexor-encoder for receiving, time-division multiplexing and encoding a plurality of video signals representing a plurality of video images for transfer and simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video multiplexor-encoder comprising: a video multiplexor for receiving multiplex control data and in accordance therewith receiving and time-division multiplexing a plurality of video signals which represent a plurality of corresponding video images; an analog-to-digital converter coupled to the video multiplexor for receiving and converting the time-division multiplexed plurality of video signals to a digital multiplexed video signal; memory means coupled to the analog-to-digital converter for receiving and storing the digital multiplexed video signal, and for receiving and storing display control data which selectively represent a position, size and relative visibility priority for each one of the plurality of corresponding video images within a display pattern of a plurality of video windows; and a digital-to-analog converter coupled to the memory means for receiving and converting the stored display control data and the stored digital multiplexed video signal to an analog, encoded, multiplexed video signal.

Claim 8

A video multiplexor-encoder for receiving, time-division multiplexing and encoding a plurality of video signals representing a plurality of video images for transfer and simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video multiplexor-encoder comprising: a video multiplexor for receiving multiplex control data and in accordance therewith receiving and time-division multiplexing a plurality of video signals which represent a plurality of corresponding video images; an analog-to-digital converter coupled to the video multiplexor for receiving and converting the time-division multiplexed plurality of video signals to a digital multiplexed video signal; memory means coupled to the analog-to-digital converter for receiving and storing the digital multiplexed video signal, and for receiving and storing display control data which selectively represent a position, size and relative visibility priority for each one of the plurality of corresponding video images within a display pattern of a plurality of video windows; and a digital-to-analog converter coupled to the memory means for receiving and converting the stored display control data and the stored digital multiplexed video signal to an analog, encoded, multiplexed video signal.

Claim 9

A video multiplexor-encoder as recited in claim 6, further comprising a computer coupled to the memory means and the video multiplexor for programmably providing the display control data and the multiplex control data thereto, respectively.

Claim 10

A video decoder-converter for receiving, decoding and converting an encoded, time-division multiplexed video signal representing a plurality of video images for simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video decoder-converter comprising: decoder means for receiving and decoding an encoded, time-division multiplexed video signal by copying display control data included therein; and converter means coupled to the decoder means for receiving the copied display control data and in selective accordance therewith receiving and converting the encoded, time-division multiplexed video signal to provide a unified video signal which represents the plurality of video images.

Claim 11

A video decoder-converter for receiving, decoding and converting an encoded, time-division multiplexed video signal representing a plurality of video images for simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video decoder-converter comprising: decoder means for receiving and decoding an encoded, time-division multiplexed video signal by copying display control data included therein; and converter means coupled to the decoder means for receiving the copied display control data and in selective accordance therewith receiving and converting the encoded, time-division multiplexed video signal to provide a unified video signal which represents the plurality of video images.

Claim 12

A video decoder-converter as recited in claim 8, wherein the decoder means comprises a computer for receiving the digital, encoded multiplexed video signal and copying the display control data included therein.

Claim 13

A video decoder-converter as recited in claim 8, wherein the converter means comprises: display memory means for receiving a plurality of memory write addresses and in accordance therewith receiving and storing the encoded, time-division multiplexed video signal, and for retrieving and outputting the stored encoded, time-division multiplexed video signal as a video display signal which represents the plurality of video images within the display pattern of the plurality of video windows; and address generator means coupled to the decoder means and the display memory means for receiving the copied display control data and in selective accordance therewith providing the plurality of memory write addresses.

Claim 14

A video decoder-converter as recited in claim 10, wherein the display memory means comprises: first memory means for receiving and storing the encoded, time-division multiplexed video signal, and for providing a first plurality of stored video data; and second memory means coupled to the first memory means and the address generator means for receiving the plurality of memory write addresses and in accordance therewith receiving the first plurality of stored video data, and for providing a second plurality of stored video data as the video display signal.

Claim 15

A video decoder-converter as recited in claim 10, wherein the converter means further comprises RAMDAC means for receiving the video display signal and providing a selectively color-mapped, analog video signal as the unified video signal.

Claim 16

A video decoder-converter for receiving, decoding and converting an encoded, time-division multiplexed video signal representing a plurality of video images for simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video decoder-converter comprising: an analog-to-digital converter for receiving and converting an encoded, time-division multiplexed video signal which includes display control data to a digital, encoded multiplexed video signal which includes digital control data corresponding to the display control data, wherein the display control data selectively represent a position, size and relative visibility priority for each one of a plurality of video images within a display pattern of a plurality of video windows; computer means coupled to the analog-to-digital converter for receiving the digital, encoded multiplexed video signal and copying the digital control data included therein; display memory means coupled to the analog-to-digital converter for receiving a plurality of memory write addresses and in accordance therewith receiving and storing the digital, encoded multiplexed video signal, and for retrieving and outputting the stored digital, encoded multiplexed video signal as a video display signal which represents the plurality of video images within the display pattern of the plurality of video windows; and address generator means coupled to the computer means and the display memory means for receiving the copied display control data and in selective accordance therewith providing the plurality of memory write addresses.

Claim 17

A video decoder-converter for receiving, decoding and converting an encoded, time-division multiplexed video signal representing a plurality of video images for simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video decoder-converter comprising: an analog-to-digital converter for receiving and converting an encoded, time-division multiplexed video signal which includes display control data to a digital, encoded multiplexed video signal which includes digital control data corresponding to the display control data, wherein the display control data selectively represent a position, size and relative visibility priority for each one of a plurality of video images within a display pattern of a plurality of video windows; computer means coupled to the analog-to-digital converter for receiving the digital, encoded multiplexed video signal and copying the digital control data included therein; display memory means coupled to the analog-to-digital converter for receiving a plurality of memory write addresses and in accordance therewith receiving and storing the digital, encoded multiplexed video signal, and for retrieving and outputting the stored digital, encoded multiplexed video signal as a video display signal which represents the plurality of video images within the display pattern of the plurality of video windows; and address generator means coupled to the computer means and the display memory means for receiving the copied display control data and in selective accordance therewith providing the plurality of memory write addresses.

Claim 18

A video decoder-converter as recited in claim 13, wherein the display memory means comprises: first memory means for receiving and storing the digital, encoded multiplexed video signal, and for providing a first plurality of stored video data; and second memory means coupled to the first memory means and the address generator means for receiving the plurality of memory write addresses and in accordance therewith receiving the first plurality of stored video data, and for providing a second plurality of stored video data as the video display signal.

Claim 19

A video decoder-converter as recited in claim 13, further comprising a RAMDAC for receiving the video display signal and providing a selectively color-mapped, analog video signal which represents the plurality of video images within the display pattern of the plurality of video windows.

Claim 20

A video multiplexing-encoded method for receiving, time-division multiplexing and encoding a plurality of video signals representing a plurality of video images for transfer and simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video multiplexing-encoding method comprising the steps of: receiving a plurality of asynchronous video signals which represent a plurality of corresponding video images; selectively time-division multiplexing the plurality of video signals for providing a multiplexed video signal; and selectively encoding the multiplexed video signal by combining display control data therewith.

Claim 21

A video multiplexing-encoded method for receiving, time-division multiplexing and encoding a plurality of video signals representing a plurality of video images for transfer and simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video multiplexing-encoding method comprising the steps of: receiving a plurality of asynchronous video signals which represent a plurality of corresponding video images; selectively time-division multiplexing the plurality of video signals for providing a multiplexed video signal; and selectively encoding the multiplexed video signal by combining display control data therewith.

Claim 22

A video multiplexing-encoding method as recited in claim 16, wherein the step of selectively time-division multiplexing the plurality of video signals for providing the multiplexed video signal comprises the steps of: receiving multiplex control data; time-division multiplexing the plurality of video signals in accordance with the multiplex control data; and converting the time-division multiplexed plurality of video signals to a digital video signal as the multiplexed video signal.

Claim 23

A video multiplexing-encoding method as recited in claim 16, wherein the step of selectively encoding the multiplexed video signal by combining the display control data therewith comprises the steps of: receiving and storing the display control data; receiving and storing the multiplexed video signal; and converting the stored display control data and the stored multiplexed video signal to an analog, encoded, multiplexed video signal.

Claim 24

A video decoding-converting method for receiving, decoding and converting an encoded, time-division multiplexed video signal representing a plurality of video images for simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video decoding-converting method comprising the steps of: receiving an encoded, time-division multiplexed video signal which includes display control data; decoding the encoded, time-division multiplexed video signal by copying the display control data included therein; and converting the encoded, time-division multiplexed video signal in selective accordance with the copied display control data to provide a unified video signal which represents the plurality of video images within the display pattern of the plurality of video windows.

Claim 25

A video decoding-converting method for receiving, decoding and converting an encoded, time-division multiplexed video signal representing a plurality of video images for simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video decoding-converting method comprising the steps of: receiving an encoded, time-division multiplexed video signal which includes display control data; decoding the encoded, time-division multiplexed video signal by copying the display control data included therein; and converting the encoded, time-division multiplexed video signal in selective accordance with the copied display control data to provide a unified video signal which represents the plurality of video images within the display pattern of the plurality of video windows.

Claim 26

A video decoding-converting method as recited in claim 19, wherein the step of decoding the encoded, time-division multiplexed video signal by copying the display control data included therein comprises copying the display control data in a computer.

Claim 27

A video decoding-converting method as recited in claim 19, wherein the step of converting the encoded, time-division multiplexed video signal in accordance with the copied display control data comprises the steps of: generating a plurality of memory write addresses in selective accordance with the copied display control data; storing the encoded, time-division multiplexed video signal in a memory; and retrieving and outputting the stored encoded, time-division multiplexed video signal in accordance with the generated plurality of memory write addresses to provide a unified video display signal which represents the plurality of video images within the display pattern of the plurality of video windows.

Claim 28

A video decoding-converting method as recited in claim 21, wherein the step of storing the encoded, time-division multiplexed video signal in a memory comprises the steps of: receiving and storing the encoded, time-division multiplexed video signal as a first plurality of stored video data; retrieving and re-storing the first plurality of stored video data as a second plurality of stored video data, stored in accordance with a generated plurality of memory write addresses; and the step of retrieving and outputting comprises retrieving and outputting the second plurality of stored video data to provide the unified video display signal which represents the plurality of video images within the display pattern of the plurality of video windows.

Claim 29

A video decoding-converting method as recited in claim 21, further comprising the steps of: inputting the video display signal as an address to a RAMDAC; and outputting from the RAMDAC a selectively color-mapped, analog video signal which represents the plurality of video images within the display pattern of the plurality of video windows.

Claim 30

A video multiplexor-encoder as recited in claim 1, wherein said display control data represents data selected from the group consisting of a position, a size and a relative visibility priority for each one of the plurality of corresponding video images within a display pattern of a plurality of video windows.

Claim 31

A video multiplexor-encoder for receiving, time-division multiplexing and encoding a plurality of video signals representing a plurality of video images for transfer and simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video multiplexor-encoder comprising: a video multiplexor for receiving multiplex control data and in accordance therewith receiving and time-division multiplexing a plurality of video signals which represent a plurality of corresponding video images; an analog-to-digital converter coupled to the video multiplexor for receiving and converting the time-division multiplexed plurality of video signals to a digital multiplexed video signal; memory means coupled to the analog-to-digital converter for receiving and storing the digital multiplexed video signal, and for receiving and storing display control data; and a digital-to-analog converter coupled to the memory means for receiving and converting the stored display control data and the stored digital multiplexed video signal to an analog, encoded, multiplexed video signal.

Claim 32

A video multiplexor-encoder for receiving, time-division multiplexing and encoding a plurality of video signals representing a plurality of video images for transfer and simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video multiplexor-encoder comprising: a video multiplexor for receiving multiplex control data and in accordance therewith receiving and time-division multiplexing a plurality of video signals which represent a plurality of corresponding video images; an analog-to-digital converter coupled to the video multiplexor for receiving and converting the time-division multiplexed plurality of video signals to a digital multiplexed video signal; memory means coupled to the analog-to-digital converter for receiving and storing the digital multiplexed video signal, and for receiving and storing display control data; and a digital-to-analog converter coupled to the memory means for receiving and converting the stored display control data and the stored digital multiplexed video signal to an analog, encoded, multiplexed video signal.

Claim 33

A video decoder-converter as recited in claim 8, wherein said display control data represents data selected from the group consisting of a position, a size and a relative visibility priority for each one of a plurality of video images within a display pattern of a plurality of video windows.

Claim 34

A video decoder-converter for receiving, decoding and converting an encoded, time-division multiplexed video signal representing a plurality of video images for simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video decoder-converter comprising: an analog-to-digital converter for receiving and converting an encoded, time-division multiplexed video signal which includes display control data to a digital, encoded multiplexed video signal; computer means coupled to the analog-to-digital converter for receiving the digital, encoded multiplexed video signal and copying the digital control data included therein; display memory means coupled to the analog-to-digital converter for receiving a plurality of memory write addresses and in accordance therewith receiving and storing the digital, encoded multiplexed video signal, and for retrieving and outputting the stored digital, encoded multiplexed video signal as a video display signal which represents the plurality of video images within the display pattern of the plurality of video windows; and address generator means coupled to the computer means and the display memory means for receiving the copied display control data and in selective accordance therewith providing the plurality of memory write addresses.

Claim 35

A video decoder-converter for receiving, decoding and converting an encoded, time-division multiplexed video signal representing a plurality of video images for simultaneous display thereof in a pattern of a plurality of video windows on a video display device, the video decoder-converter comprising: an analog-to-digital converter for receiving and converting an encoded, time-division multiplexed video signal which includes display control data to a digital, encoded multiplexed video signal; computer means coupled to the analog-to-digital converter for receiving the digital, encoded multiplexed video signal and copying the digital control data included therein; display memory means coupled to the analog-to-digital converter for receiving a plurality of memory write addresses and in accordance therewith receiving and storing the digital, encoded multiplexed video signal, and for retrieving and outputting the stored digital, encoded multiplexed video signal as a video display signal which represents the plurality of video images within the display pattern of the plurality of video windows; and address generator means coupled to the computer means and the display memory means for receiving the copied display control data and in selective accordance therewith providing the plurality of memory write addresses.

Claim 36

A video multiplexor-encoding method as recited in claim 16, wherein said display control data represents data selected from the group consisting of a position, a size and a relative visibility priority for each one of the plurality of corresponding video images within a display pattern of a plurality of video windows.

Claim 37

A video decoding-converting method as recited in claim 19, wherein said display control data represents data selected from the group consisting of a position, a size and a relative visibility priority for each one of the plurality of corresponding video images within a display pattern of a plurality of video windows.