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 UNIVERSAL VIDEO FRAME SYNCHRONIZER AJA FS1 $2,488.00 Time Remaining: 5d 19h 56m Buy It Now for only: $2,488.00 |
 Datavideo Time Base Corrector TBC 1000 422 Frame Synchronizer $5.00 (1 Bid) Time Remaining: 4d 4h 44m |
 AJA FS2 Dual Channel Frame Synchronizer and Converter $4,995.00 Time Remaining: 17d 21h 21m Buy It Now for only: $4,995.00 |
 Leitch DFS 3000N Digital Frame Synchronizer $79.99 Time Remaining: 27d 17h 55m Buy It Now for only: $79.99 |
 Harris X50 AV 2PS Frame Synchronizer and Converter NEW $3,899.01 Time Remaining: 15d 13h 40m Buy It Now for only: $3,899.01 |
 AJA FS2 Dual Channel Frame Synchronizer and Converter $3,999.00 Time Remaining: 8d 2h 20m Buy It Now for only: $3,999.00 |
 VIDEOTEK VDP 8000 FRAME STORE SYNCHRONIZER $79.90 Time Remaining: 1d 19h 32m |
 NOVA NovaSync F Frame Synchronizer Time Base Corrector TBC $115.00 Time Remaining: 27d 5h 28m Buy It Now for only: $115.00 |
 NovaSync Frame Synchronizer $100.00 Time Remaining: 29d 15h 32m Buy It Now for only: $100.00 |
 MICROTIME TBC FRAME SYNCHRONIZER S 230D $149.99 Time Remaining: 14d 19h 56m Buy It Now for only: $149.99 |
 AJA FS1 Frame Synchronizer and Bi directional Converter $3,990.00 Time Remaining: 26d 15h 50m Buy It Now for only: $3,990.00 |
 DIGITAL PROCESSING SYSTEM DPS 220 TBC FRAME SYNCHRONIZER $49.99 Time Remaining: 15h 18m |
 NovaSync 2F Frame Synchronizer $89.99 Time Remaining: 23d 4h 42m Buy It Now for only: $89.99 |
 TEKTRONIX TEK 110 S 110S VIDEO FRAME SYNCHRONIZER $95.00 Time Remaining: 6d 22h 19m Buy It Now for only: $95.00 |
 Leitch DES 6804 Video Decoder with Frame Synchronizer DES6804 $145.00 Time Remaining: 6d 19h 49m Buy It Now for only: $145.00 |
 DIGITAL PROCESSING SYSTEMS DPS 220 TBC FRAME SYNCHRONIZER S N 0017 $211.65 Time Remaining: 26d 38m Buy It Now for only: $211.65 |
 FORA Autocor FA 800 Frame Synchronizer with TBC Powers On UNTESTED $9.99 Time Remaining: 2d 1h 19m |
 2 NovaSync 3 TBC Frame Synchronizer Auction is for 2 Units $225.00 Time Remaining: 13d 2h 46m Buy It Now for only: $225.00 |
 Sony BKPF 108C Frame Synchronizer Board $399.00 Time Remaining: 8d 16h 14m Buy It Now for only: $399.00 |
 Leitch Harris FR6802+ FR 6802 Plus w 4x VFS6800+ Video Frame Synchronizer SDI $1,100.00 Time Remaining: 21d 2h 35m Buy It Now for only: $1,100.00 |
 Hotronic ATS 512 Dual Channel TBC Frame Synchronizer $1,789.01 Time Remaining: 21d 5h 31m Buy It Now for only: $1,789.01 |
 Hotronic ATS 512 RM Dual Channel TBC Frame Synchronizer $999.01 Time Remaining: 21d 5h 31m Buy It Now for only: $999.01 |
 Harris 690 Video Frame Synchronizer $17.99 Time Remaining: 6d 23h 43m |
 DPS Digital Component Frame Synchronizer DPS 465 $950.00 Time Remaining: 28d 1h 17m Buy It Now for only: $950.00 |
 Hotronic AY86 Genlockable SDI Video Frame Synchronizer $2,199.01 Time Remaining: 21d 6h 21m Buy It Now for only: $2,199.01 |
 Evertz 7736CEM A4 Component Video D to A with Optional Frame Synchronizer $349.00 Time Remaining: 1d 17h 4m Buy It Now for only: $349.00 |
 Colorado 491 Video Frame Store Digital NTSC 16 bit Duplex I O Synchronizer 2U $74.99 Time Remaining: 1d 12h 51m Buy It Now for only: $74.99 |
 FORA FA 300 Time Base Corrector Frame Synchronizer $79.99 Time Remaining: 2d 21h 19m |
 ALTA GROUP CYGNUS 55 FRAME SYNCHRONIZER P N 240000 $295.00 Time Remaining: 1d 16h 6m Buy It Now for only: $295.00 |
 ALTA GROUP CYGNUS TBC or Frame Synchronizer $400.00 Time Remaining: 29d 21h 52m Buy It Now for only: $400.00 |
 SSEL 7746602 100 Frame Synchronizer $88.92 Time Remaining: 6d 20h 5m Buy It Now for only: $88.92 |
 Hotronic AP41 TBC FRAME SYNCHRONIZER $700.00 Time Remaining: 17d 1h 52m Buy It Now for only: $700.00 |
 Hotronic AR71 Dual Channel TBC Frame Synchronizer w Power Cord WORKING $89.99 Time Remaining: 5d 2h 18m Buy It Now for only: $99.99 |
 Evertz 7745FS EAES+P Frame Synchronizer 7700FC Frame $4,500.00 Time Remaining: 11d 11h 3m Buy It Now for only: $4,500.00 |
 Grass Valley 8985FSP SD HD Frame Synchronizer ProcAmp $600.00 Time Remaining: 14d 23h 19m Buy It Now for only: $600.00 |
 NovaMate TBC and frame synchronizer $450.00 Time Remaining: 13d 18h 30m Buy It Now for only: $450.00 |
 SHOMI CHEETAH DUAL AB ROLL FRAME SYNCHRONIZER $224.25 Time Remaining: 17d 11h Buy It Now for only: $224.25 |
 SONY BVR 50 TBC FRAME SYNCHRONIZER REMOTE CONTROL UNIT $29.95 Time Remaining: 4d 17h 29m |
 Schlumberger EMR 2731 Telemetry PCM Frame Synchronizer $36.99 Time Remaining: 5d 7h 6m Buy It Now for only: $36.99 |
 Ensemble TC 400D TBC or Frame Synchronizer $1,138.00 Time Remaining: 27d 19h 49m Buy It Now for only: $1,138.00 |
 DIGITAL PROCESSING SYSTEMS DPS 265 UNIVERSAL FRAME SYNCHRONIZER $90.00 Time Remaining: 26d 1h 38m Buy It Now for only: $90.00 |
 HOTRONIC AP 41 TBC FRAME SYNCHRONIZER $212.50 Time Remaining: 23d 23h 2m Buy It Now for only: $212.50 |
When were frame synchronizers invented?
And who invented them?
PLEASEE HELP IF YOU CAN, IT WOULD BE MUCH APPRECIATED!! THANK YOU 
http://en.wikipedia.org/wiki/Frame_synchronization
Teranex VC100 Universal Frame Synchronizer and Converter Operation