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:
Jul. 15, 1997
Filed:
Jun. 13, 1996
Toshihide Hayashi, Kanagawa, JP;
Koki Tsumori, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
An electronic apparatus is adapted for realizing desired functions by combining a number of functional devices, in which the trouble states of the functional devices may be identified speedily and positively by virtue of its self-diagnostic function. Control data are periodically transmitted from a system controller 41 connected over an I.sup.2 bus for operating the functional devices, such as a video processing circuit 33 or an audio processing circuit 37. The functional devices are checked for malfunctions at each control cycle of transmitting the control data from the system controller to the functional devices for collectively displaying the checked results of malfunctions of the functional devices during the self-diagnostic mode operation.