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:
Nov. 06, 2007
Filed:
Jan. 08, 2004
Raymond Elijah Barnett, Apple Valley, MN (US);
Tuan Van Ngo, Eden Prairie, MN (US);
Raymond Elijah Barnett, Apple Valley, MN (US);
Tuan Van Ngo, Eden Prairie, MN (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
The present invention describes a voltage-mode boosting write driver circuit (), comprising a plurality of inputs (WDP, WDN), a plurality of outputs (HWX, HWY), a transducer (L), a flex interconnection (T) coupled to the outputs (HWX, HWY) and to the transducer (L), a first resistor (R) and a second resistor (R) coupled to the outputs (HWX, HWY) and to the transducer (L), an H-switch (Q, Q, Q, Q) coupled to the resistors (R, R), and a plurality of top boosting circuits (Q, Q, R, and Q, Q, R) coupled to the outputs (HWX, HWY).