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:
Apr. 08, 1997
Filed:
Dec. 21, 1994
Akira Hayama, Kawagoe, JP;
Pioneer Electronic Corporation, Tokyo-to, JP;
Abstract
An on-vehicle electronic apparatus is provided with: a main body unit fixed with respect to a vehicle and having a first clock generation device for generating a clock for synchronization in the main body unit, a first shift register for taking in data and a first controller for controlling transmission and reception of the data at the main body unit; and an operation and display unit detachably mounted on the main body unit and having a second clock generation device for generating a clock for synchronization in the operation and display unit, a second shift register for taking in data and a second controller for controlling transmission and reception of the data at the operation and display unit, wherein the transmission and reception of the data between the main body unit and the operation and display unit are established through just two transmission lines, one of which is for transmission from the operation and display unit to the main body unit and the other of which is for transmission from the main body unit to the operation and display unit.