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. 18, 1977
Filed:
Jun. 23, 1975
Applicant:
Inventor:
Siegfried Hansen, Los Angeles, CA (US);
Assignee:
Hughes Aircraft Company, Culver City, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350310 ; 350295 ;
Abstract
Electro-hydraulic driver has an electro-mechanical actuator which controls the hydraulic fluid flow control orifice. The hydraulic fluid orifice is an annulus which is connected to a cylinder having minimum volume which is supplied from a hydraulic source through a flow restriction. The piston acts against a spring so that with electrical actuation, piston motion is controlled.
Hansen, Siegfried. (1977). Electro-hydraulic driver for deformable face plate (U.S. Patent No. 4003640). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4003640
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile