Granted Patent
Utility
US 6,160,953 · App. 08/939,058
DVD-compatible optical recording disk conveying audio signals encoded both as PCM data and as single bit stream data generated by sigma-delta modulation, and encoder apparatus and decoder apparatus for same
Inventors:
Norihiko Fuchigami, Shoji Ueno, Yoshiaki Tanaka
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Sep 29, 1997
Inventors
Norihiko Fuchigami
Shoji Ueno
Yoshiaki Tanaka
Assignee (at issue)
Victor Company of Japan, Ltd.
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.