HDMI extender with bidirectional power over twisted pair
Disclosed are various embodiments of transmit and receive connectivity devices that include signal processing circuitry, an HDMI port, and a multi-position multi-contact port. The signal processing circuitry can transmit and receive signals over the multi-position multi-contact port. The signals can include a compressed video signal and a data signal. A power source can be sent over a cable attached to the multi-position multi-contact port.
1. A transmit connectivity device, comprising:
a high definition media interface (HDMI) port;
a multi-position multi-contact port; and
signal processing circuitry coupled to the HDMI port and the multi-position multi-contact port, the signal processing circuitry being configured to at least:
receive a plurality of encrypted media signals from the HDMI port;
decrypt the plurality of encrypted media signals;
generate a plurality of compressed signals by compressing the plurality of media signals from the HDMI port;
transmit the plurality of compressed signals over the multi-position multi-contact port;
transmit a data signal over the multi-position multi-contact port, wherein the plurality of compressed signals are transmitted at a different frequency than the data signal; and
transmit a power source over the multi-position multi-contact port.
2. The transmit connectivity device of claim 1 , wherein the signal processing circuitry is further configured to at least receive another data signal over the multi-position multi-contact port.
3. The transmit connectivity device of claim 2 , wherein the other data signal comprises data corresponds to an Infrared (IR) signal.
4. The transmit connectivity device of claim 1 , wherein the data signal is based at least in part on signals received from a first subset of pins on the HDMI port, and the plurality of media signals are based at least in part on signals received from a second subset of pins on the HDMI port.
5. The transmit connectivity device of claim 4 , wherein the first subset of pins and the second subset of pins are mutually exclusive.
6. The transmit connectivity device of claim 1 , wherein the signal processing circuitry is further configured to at least drive the plurality of compressed signals.
7. The transmit connectivity device of claim 1 , wherein the data signal comprises data corresponding to one or more of: an infrared signal, a consumer electronics control (CEC) signal, a hot plug detection (HPD) signal, and a display data channel (DDC) signal.
8. A receive connectivity device, comprising:
a high definition media interface (HDMI) port;
a multi-position multi-contact port; and
signal processing circuitry coupled to the HDMI port and the multi-position multi-contact port, the signal processing circuitry being configured to at least:
receive a plurality of compressed signals over the multi-position multi-contact port;
receive a data signal over the multi-position multi-contact port, wherein the plurality of compressed signals are received at a different frequency than the data signal;
receive a power source over the multi-position multi-contact port;
generate a plurality of decompressed signals by decompressing the plurality of compressed signals;
encrypting the plurality of decompressed signals; and
transmit the plurality of decompressed signals and a plurality of other signals over the HDMI port, the plurality of other signals being based at least in part on the data signal.
9. The receive connectivity device of claim 8 , wherein the signal processing circuitry is further configured to at least transmit another data signal over the multi-position multi contact port.
10. The receive connectivity device of claim 9 , wherein the other data signal comprises data corresponds to an Infrared (IR) signal.
11. The receive connectivity device of claim 8 , wherein the signal processing circuitry is further configured to at least equalize the plurality of compressed signals.
12. The receive connectivity device of claim 8 , wherein the signal processing circuitry is further configured to at least amplify the plurality of compressed signals.
13. The receive connectivity device of claim 8 , wherein the data signal comprises data corresponding to one or more of: an infrared signal, a consumer electronics control (CEC) signal, a hot plug detection (HPD) signal, and a display data channel (DDC) signal.
14. A transmit connectivity device, comprising:
a high definition media interface (HDMI) port;
a multi-position multi-contact port; and
signal processing circuitry coupled to the HDMI port and the multi-position multi-contact port, the signal processing circuitry being configured to at least:
receive a plurality of encrypted media signals from the HDMI port;
decrypt the plurality of encrypted media signals;
generate a plurality of compressed signals by compressing the plurality of media signals from the HDMI port;
transmit the plurality of compressed signals over the multi-position multi-contact port;
receive a data signal over the multi-position multi-contact port; and
transmit a power source over the multi-position multi-contact port.
15. The transmit connectivity device of claim 14 , wherein the data signal composes data corresponds to an Infrared (IR) signal.
16. The transmit connectivity device of claim 14 , wherein the signal processing circuitry is further configured to at least transmit another data signal over the multi-position multi-contact port, wherein the plurality of compressed signals are transmitted at a different frequency than the another data signal.