Liquid container with liquid detecting device

Application Number: 00107642
Application Date: 2000.05.19
Publication Number: 1274649
Publication Date: 2000.11.29
Priority Information: 1999/5/20 JP 139683/99; 1999/5/27 JP 147538/99; 1999/9/10 JP 256522/99
International: B41J2/175
Applicant(s) Name: Seiko Epson Corp.
Inventor(s) Name: Usui Minoru;Tsukata Kenji;Kanatani Munehide
Patent Agency Code: 11216
Patent Agent: liu jiyang
Abstract A liquid detection device (106) attached on a liquid container (1) for detecting a liquid consumption status of the liquid contained in the liquid container, the liquid detection device including a vibrating section, a piezoelectric element (160), an upper electrode (164) disposed on an upper surface of said piezoelectric element, a lower electrode (166) disposed on a lower surface of said piezoelectric element, the upper and lower electrodes electrically connecting with said vibrating section, and a vibrating plate (176) having an upper surface contacting said lower electrode and a lower surface a part of which contacting the liquid contained in the liquid container, wherein at least a part os said piezoelectric element, said upper electrode, said lower electrode and said vibrating plate constitute said vibrating section.