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:
Nov. 09, 1999
Filed:
Nov. 25, 1996
Pioneer Electronic Corporation, Tokyo, JP;
Abstract
A bidirectional signal distributing system which can use a sweet sleep system at home without exerting a burden on a subscriber so as to purchase the sweet sleep system. Luminance change frequency data and/or audio change frequency data suitable to shift to a sweet sleep state of the subscriber has been stored in a head end apparatus in the bidirectional signal distributing system. When the subscriber requests a sweet sleep function, the luminance change frequency data and/or audio change frequency data according to the subscriber provided on the head end side is read out, a predetermined video signal and/or audio signal is modulated, and the modulated signal is transmitted to the subscriber apparatus.