IP Library › Granted Patent US 4,751,736
Granted Patent Utility
US 4,751,736 · App. 06/697,082

Variable bit rate speech codec with backward-type prediction and quantization

Inventors: Vaikunth N. Gupta, Michael Onufry, Jr., Henri G. Suyderhoud, K. Virupaksha
Patented Case View Patent ↗
Granted: Jun 14, 1988 Filed: Jan 31, 1985
Inventors
Vaikunth N. Gupta
Michael Onufry, Jr.
Henri G. Suyderhoud
K. Virupaksha
Assignee (at issue)
Communications Satellite Corporation

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 4,751,736
App. No.
06/697,082
Filed
1985-01-31
Granted
1988-06-14
Kind
A