Fiber optic video transmitter and receiver system
View Patent ↗A video transmission system, for sending uncompressed digital video signals from an originating device such as a digital video camera to a distant location, such as a studio or editing facility and for receiving video signals sent from a distant location. The transmitter features an input for receiving an uncompressed digital video signal from a coaxial cable, an equalizer, a reclocker, and a transmitter communicating a reformed signal through a fiber optic line. A receiver system may also be employed for receiving an uncompressed digital video signal from a fiber optic cable and outputting a corresponding electrical signal to a reclocker for communication through a coaxial cable.
1. A fiber optic video transmitter system, which comprises:
input means for receiving an uncompressed digital video signal from a coaxial cable;
a cable equalizer for receiving and equalizing said digital video signal from said input means and producing an equalized signal;
a reclocker for receiving and synchronizing said equalized signal to a predetermined standard signal and outputting a first synchronized data signal;
a laser transmitter means for receiving said first synchronized data signal, and producing a laser beam carrying the resulting data signal;
means for directing said resulting data signal into a fiber optic cable for transmitting said first synchronized data signal,
means for directing a second equalized signal from said cable equalizer;
a level detector for receiving said second equalized signal and detecting signal level;
means for directing signal level output from said level detector and means for directing a second synchronized data signal from said reclocker to a data rate and level encoder; and
said data rate and level encoder including means for receiving said detected signal level output and said second synchronized data signal and providing visible indicia showing data rate and signal status.
2. The fiber optic video transmitter system according to claim 1 wherein said visible indicia comprises a plurality of light emitting diodes.
3. The fiber optic video transmitter system according to claim 2 wherein a first set of said light emitting diodes comprises one light emitting diodes corresponding to each system data rate, and further including means for lighting a light emitting diode corresponding to the data rate in use.
4. The fiber optic video transmitter system according to claim 2 wherein a second set of three of said light emitting diodes and further includes means for lighting diodes corresponding to signal level.
5. The fiber optic video transmitter system according to claim 1 further including a power regulator for receiving 12 volt power and directing regulated 5 volt direct current power to other system components and further including visible indicia for indicating that power is on.
6. A fiber optic video receiver system, which comprises:
input means for receiving an uncompressed digital video signal from a fiber optic cable and outputting a corresponding electrical signal;
a reclocker for receiving and synchronizing said electrical signal to a predetermined standard signal and outputting a synchronized data signal; and
coaxial cable driver means for receiving said synchronized data signal and including means for directing said synchronized data signal into at least one coaxial cable;
means for directing a second synchronized signal from said reclocker;
a data rate and lock encoder for receiving said second syncronized signal and producing an encoded data rate and lock signal; and
means for directing said encoded signal from said data rate and lock detector to a driver for producing visible indicia showing data rate and signal status.
7. The fiber optic video receiver system according to claim 6 further including a power regulator for receiving 12 volt power and directing regulated 5 volt direct current power to other components and further including visible indicia for indicating that power is on.
8. The fiber optic video receiver system according to claim 6 wherein said visible indicia comprises a plurality of light emitting diodes.
9. The fiber optic video receiver system according to claim 8 wherein a first set of said light emitting diodes comprises one light emitting diodes corresponding to each system data rate, and further including means for lighting a diode corresponding to the data rate in use.
10. The fiber optic video receiver system according to claim 8 wherein a second set of three of said light emitting diodes and further includes means for lighting diodes corresponding to level of signal lock.
11. A fiber optic video transmitter and receiver system for transmitting video signals over long distances, which comprises:
a fiber optic video transmitter which comprises:
input means for receiving an uncompressed digital video signal from a coaxial cable;
a cable equalizer for receiving and equalizing said uncompressed digital video signal from said input means and producing an equalized signal;
a reclocker for receiving and synchronizing said equalized signal to a predetermined standard and outputting a first synchronized data signal;
a laser transmitter means for receiving said first synchronized data signal, and producing a laser beam carrying the resulting data signal; and
output means for directing said resulting data signal into a fiber optic cable for transmitting said first synchronized data signal; and
a fiber optic video receiver which comprises:
input means for receiving a digital video signal from said fiber optic cable and outputting a corresponding electrical signal;
a reclocker for receiving and synchronizing said electrical signal to a predetermined standard signal and outputting a synchronized data signal; and
coaxial cable driver means for receiving said synchronized data signal and including means for directing said synchronized data signal into at least one coaxial cable; and
means for directing a second synchronized signal from said reclocker;
a data rate and lock encoder for receiving said second equalized signal and producing an encoded data rate and lock signal; and
means for directing said encoded signal from said data rate and lock detector to a driver for producing visible indica showing data rate and signal status.
12. The fiber optic video transmitter and receiver system for transmitting video signals over long distances according to claim 11 wherein each of said fiber optic video receiver and transmitter further includes a power regulator for receiving 12 volt power and directing regulated 5 volt direct current power to other components and further including visible indicia for indicating that power is on.
13. The fiber optic video transmitter and receiver system for transmitting video signals over long distances according to claim 11 wherein said fiber optic video transmitter system further includes:
means for directing a second equalized signal from said cable equalizer;
a level detector for receiving said second equalized signal and detecting signal level;
means for directing signal level output from said level detector and means for directing a second synchronized data signal from said reclocker to a data rate and level encoder;
said data rate and level encoder including means for receiving said detected signal level output and said second synchronized data signal and providing visible indicia showing data rate and signal status.
14. The fiber optic video transmitter and receiver system for transmitting video signals over long distances according to claim 11 wherein said visible indicia comprises a plurality of light emitting diodes.
15. The fiber optic video transmitter and receiver system for transmitting video signals over long distances according to claim 11 wherein said visible indicia comprises a plurality of light emitting diodes.