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. 08, 1991
Filed:
Jun. 21, 1989
Applicant:
Inventors:
Hiroyoshi Misumi, Yokohama, JP;
Kunio Tsuruno, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358340 ; 358327 ; 358341 ; 358343 ; 360 331 ; 360 191 ; 360 25 ;
Abstract
A reproduction apparatus provided with a reproduction head for reproducing information modulated in different frequency bands and recorded in different areas of a medium includes; a circuit for demodulating the output of the reproduction head with a characteristic corresponding to the frequency bands, a changing device for changing the track to be reproduced by the reproduction head, and control means for not varying the characteristic of the demodulating circuit during the changing operation.