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:
Jan. 30, 1990
Filed:
Jan. 26, 1988
Applicant:
Inventors:
Atsushi Ichise, Tokyo, JP;
Yoshiyuki Kondo, Tokyo, JP;
Masatoshi Hirayasu, Kanagawa, JP;
Kenji Inoue, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ; H04B / ;
U.S. Cl.
CPC ...
358 86 ; 358 93 ; 358254 ; 34082508 ; 34082522 ; 34082528 ; 455-5 ; 455 31 ;
Abstract
A system and method for providing service in a passenger vehicle having a plurality of passaenger seats. Tree-structured menu data are transmitted from a head end apparatus to a plurality of terminal units (each provided at one of the passenger seats) and the menu data are displayed at each terminal unit. Request signals indicating menu times selected by the passengers are returned to the head end apparatus, where they may be centrally processed and displayed, in order to provide improved service for the passengers.