The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 07, 2001
Filed:
Oct. 13, 1999
Applicant:
Inventors:
Hiroya Abe, Hiratsuka, JP;
Hideo Nishijima, Hitachinaka, JP;
Hiroyuki Torii, Hitachinaka, JP;
Kouji Kaniwa, Yokohama, JP;
Katsuyuki Watanabe, Mito, JP;
Toshio Nakamoto, Hitachinaka, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04H 5/928 ;
U.S. Cl.
CPC ...
H04H 5/928 ;
Abstract
A VTR compatible with the current analog VTR and capable of recording and reproducing digital signals, determines the presence or absence of recorded digital signals and selects an operating mode for recording and reproducing in accordance therewith.