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:
Sep. 24, 2019
Filed:
May. 17, 2018
Applicant:
Rockley Photonics Limited, London, GB;
Inventor:
David Arlo Nelson, Fort Collins, CO (US);
Assignee:
Rockley Photonics Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02F 1/00 (2006.01); G02F 1/03 (2006.01); G02F 1/07 (2006.01); G02F 1/01 (2006.01); G02F 1/17 (2019.01); H03K 17/687 (2006.01); H04B 10/50 (2013.01); H04B 10/588 (2013.01); H03F 3/217 (2006.01); H03F 1/32 (2006.01); H03F 3/24 (2006.01); H03K 19/20 (2006.01);
U.S. Cl.
CPC ...
G02F 1/0121 (2013.01); G02F 1/17 (2013.01); H03F 1/3241 (2013.01); H03F 3/217 (2013.01); H03F 3/245 (2013.01); H03K 17/687 (2013.01); H04B 10/505 (2013.01); H04B 10/588 (2013.01); H03K 19/20 (2013.01);
Abstract
A modulator drive circuit, including: a first transistor having: a first output terminal connected to a first reference voltage, a second output terminal connected to a first output terminal of the modulator drive circuit, and a control terminal; and a second transistor having: a first output terminal connected to a second reference voltage different from the first reference voltage, a second output terminal connected to the first output terminal of the modulator drive circuit, and a control terminal.