IP Library › Granted Patent US 4,567,521
Granted Patent Utility
US 4,567,521 · App. 06/509,173

Processor controlled digital video sync generation

Inventors: Mario de la Guardia, Ming-Luh Kao
Patented Case View Patent ↗
Granted: Jan 28, 1986 Filed: Jun 28, 1983
Inventors
Mario de la Guardia
Ming-Luh Kao
Assignee (at issue)
Racal Data Communications, Inc.

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,567,521
App. No.
06/509,173
Filed
1983-06-28
Granted
1986-01-28
Kind
A