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:
Oct. 06, 1998
Filed:
Jul. 25, 1995
Naoki Satoh, Odawara, JP;
Seiichi Mita, Kanagawa-ken, JP;
Shoichi Miyazawa, Yokohama, JP;
Terumi Takashi, Odawara, JP;
Yosuke Hori, Hiratsuka, JP;
Yoshiju Watanabe, Kanagawa-ken, JP;
Akihiko Hirano, Odawara, JP;
Satoshi Minoshima, Fujisawa, JP;
Hideki Miyasaka, Yokohama, JP;
Toshihiro Nitta, Hiratsuka, JP;
Tomoaki Hirai, Odawara, JP;
Ryushi Shimokawa, Takasaki, JP;
Koji Shida, Takasaki, JP;
Yasuhide Ouchi, Odawara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A signal processing circuit for a magnetic recording/reproducing apparatus, including at least an AGC, a PLL, a LPF, an equalizer circuit and a detection circuit, wherein a coefficient compensation circuit is formed by defining a constitution of the equalizer circuit, an error detection circuit is provided which operates by receiving input from the detection circuit, and the LSI is formed by a plurality of analog and digital chips, and the analog and digital chips are connected by current-output type D/A converters connected to at least the AGC and the PLL.