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:
Jan. 12, 2021
Filed:
Oct. 25, 2017
Applicant:
Sz Dji Technology Co., Ltd., Shenzhen, CN;
Inventors:
Paul Pan, Shenzhen, CN;
Fangming Ye, Shenzhen, CN;
Assignee:
SZ DJI TECHNOLOGY CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 39/02 (2006.01); G03B 13/34 (2006.01); G03B 3/10 (2006.01); H04N 5/232 (2006.01); G03B 15/00 (2006.01);
U.S. Cl.
CPC ...
B64C 39/024 (2013.01); G03B 3/10 (2013.01); G03B 13/34 (2013.01); H04N 5/232 (2013.01); H04N 5/23206 (2013.01); H04N 5/23212 (2013.01); B64C 2201/127 (2013.01); G03B 15/00 (2013.01); H04N 5/23241 (2013.01);
Abstract
A follow focus device includes a signal receiver, a controller electrically connected to the signal receiver, and a control interface electrically connected to the controller and configured to be electrically connected to a camera device. The signal receiver is configured to receive a control instruction for controlling a focal length of a lens of the camera device and send the control instruction to the controller. The controller is configured to generate a control signal according to the control instruction and send the control signal to the camera device via the control interface.