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:
May. 14, 2019
Filed:
Jan. 02, 2018
Seiko Epson Corporation, Tokyo, JP;
Akira Abe, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A drive circuit includes a first transistor pair, a second transistor pair, a feeder linefor a ground Gnd, a feeder lineto which a voltage Vis applied, a feeder linea voltage Vis applied, and capacitors Cag and Cba, and the first transistor pair amplifies a signal ain within a range from the ground Gnd to the voltage V, and the second transistor pair amplifies the signal ain within a range from the voltage Vto the voltage V, and one end of the capacitor Cag is connected to the feeder line, the other end of the capacitor Cag is connected to the feeder line, one end of the capacitor Cba is connected to the feeder line, and the other end of the capacitor Cba is connected to the feeder line