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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.:

US 4224511 B1

PDFFull Text
Date of Patent:
Sep. 23, 1980

Filed:

Jan. 05, 1979

Image intensifier

Applicant:
Inventors:

Gennady I Brjukhnevich, Moscow, SU;

Nikolai S Vorobiev, Moscow, SU;

Viktor A Miller, Moscow, SU;

Valdis E Postovalov, Moscow, SU;

Mikhail Y Schelev, Moscow, SU;

Alexandr M Prokhorov, Moscow, SU;

Jury N Serdjuchenko, Moscow, SU;

Boris M Stepanov, Moscow, SU;

Boris D Smolkin, Moscow, SU;

Lidia I Kondrashova, Moscow, SU;

Valentin F Lukin, Moscow, SU;

Assignee:

Other;

Attorney:

Lackenbach, Lilling & Siegel

Primary Examiner:

David C Nelms

Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2502 / ; 313 99 ;
Abstract

An image intensifier comprises an evacuated tube envelope which accommodates a serial arrangement of a photocathode, an accelerating electrode having a hollow cylinder in which an element with a grid is disposed, said grid being placed on that end of the element which faces the photocathode, a focussing electrode made in the form of a hollow cylinder having a diameter equal to the diameter of the hollow cylinder of the accelerating electrode, an anode diaphragm, an electronic gate with a diaphragm and deflecting plates and an image scanning system each constituting a through-type two-conductor circuit and having terminals disposed on the tube envelope and a fluorescent screen, the distance L between the photocathode and the fluorescent screen, the distance S.sub.1 between the accelerating and focusing electrodes, the distance S.sub.2 between the focusing electrode and the anode diaphragm, as well as the lengths l.sub.1, l.sub.2 of the cylinders of the accelerating and focusing electrodes, respectively, being related to the diameter d of the focusing electrode as follows:

Find Patent Forward Citations

Brjukhnevich, Gennady. (1980). Image intensifier (U.S. Patent No. 4224511). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4224511

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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