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. 13, 1999
Filed:
Jun. 07, 1995
Hiroshi Tajika, Yokohama, JP;
Yoshiaki Takayanagi, Yokohama, JP;
Masayuki Hirose, Kawasaki, JP;
Souhei Tanaka, Kawasaki, JP;
Hiromitsu Hirabayashi, Yokohama, JP;
Noribumi Koitabashi, Yokohama, JP;
Yasuhiro Yamada, Yokohama, JP;
Yasuhiro Numata, Yokohama, JP;
Hitoshi Sugimoto, Yokohama, JP;
Miyuki Matsubara, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet recording apparatus is disclosed in which ink is ejected onto a recording material, the apparatus including a recording head having an energy generating element for producing energy contributable to eject the ink onto the recording material; a recording head driving device for applying drive signals having a waveform to the energy generating element; a temperature detecting device for detecting a temperature relating to the recording head and for producing an output; a changing device for changing the waveform of the driving signals in accordance with the output of the detecting device; and a drive control device for fixing the waveform to a predetermined waveform when the recording material used is an OHP sheet.