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:
May. 28, 2002
Filed:
Jun. 05, 1998
Yuji Hatanaka, Yokohama, JP;
Hiroo Okamoto, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In a recording device, a recording and playback device and a receiving, recording and playback device in a system for receiving, recording and playing back a digital signal, a digital signal recording and playing back device having the function of converting an analog television signal to a digital television signal, and recording and reproducing the digital signal includes A/D converters for an analog video signal and an analog audio signal, encoders for compressing the analog video and audio signals, encoders for compressing the video and audio signals, a multiplexer for multiplexing the compressed video and audio signals, and a selector for selecting one of a received digital signal and the compressed multiplexed signal.