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. 25, 1984
Filed:
Feb. 09, 1982
Applicant:
Inventor:
David P Chown, Harlow, GB;
Assignee:
International Standard Electric Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2502 / ; 455619 ;
Abstract
An optical receiver, for responding to optical energy propagating in an optical fibre transmission path (2) is detected by a reverse-biassed p-i-n diode (3) which is connected in series with a forward-biassed p-i-n diode (7). The junction between the two diodes is connected to the input of an amplifier (5), which is part of a two-stage amplifier (5,8), with automatic equalization (9,10,11). The forward biassed diode, by its characteristics leads to an improved dynamic range for the receiver as compared with conventional optical receivers.