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. 23, 2004
Filed:
Jul. 18, 2002
Applicant:
Inventors:
Hiroo Nakamura, Tsuchiura, JP;
Hidenori Yokoyama, Oohira, JP;
Masayuki Nonaka, Nagareyama, JP;
Atsushi Ohtsuka, Oyama, JP;
Tsutomu Kurokawa, Kuzuu, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 4/900 ; G05D 2/300 ;
U.S. Cl.
CPC ...
F25B 4/900 ; G05D 2/300 ;
Abstract
An air conditioner and a control software updating system capable of easily updating and adding control software desired by a customer. An internet system including telephones and/or personal computers is provided between a service center and customers. Each of air conditioners is provided with a connection terminal for connection to a communication terminal. Software for controlling operation of the air conditioner is updated by using the internet or a memory card after explaining a control software to the customer and confirming the customer's desire.