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:
Mar. 03, 1998
Filed:
Jun. 12, 1995
Applicant:
Inventors:
Takuji Hamada, Hitachiota, JP;
Norihiko Sugimoto, Katsuta, JP;
Kinshirou Oonishi, Hitachi, JP;
Shunji Inada, Hitachi, JP;
Yoshinori Ohkura, Mito, JP;
Katsuhiko Yoneda, Ibaraki-ken, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
370392 ; 370425 ; 370426 ; 370446 ; 370447 ;
Abstract
A system for transmitting data in high precision by restricting a delay in data transmission time includes a hub. The hub receives through the transmission media a data frame transmitted from a communication device that has a transmission request among a plurality of communication devices, and relays the received data frame to a destination communication device based on a destination address included in the received data frame.