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:
Nov. 04, 2003
Filed:
Feb. 08, 2002
Fernando J Barbosa, Newport News, VA (US);
Stanislaw Majewski, Yorktown, VA (US);
Juan J. Vaquero, Madrid, ES;
Southeastern Universaties Research Assn., Newport, VA (US);
Abstract
A modular base for a position sensitive Photo-Multiplier Tube (PS-PMT) that can be connected to other similar modular bases to form arrays of PS-PMTs. X and Y resistor chains are provided within the base to connect all X and Y coordinate anodes from the PS-PMT, respectively. An amplifier is provided at each end of each resistor chain to amplify output signals when the base is used alone; not connected to other bases. Jumpers associated with each amplifier are provided to include the amplifier in the output signal path or bypass the amplifier and connect to jumpers of other bases. When a base is used alone, the jumpers, which provide either an X or Y output signal, are set to include the amplifier in the output signal path. When two bases are connected together, the jumpers are set to bypass their associated amplifiers and connect the respective X or Y resistor chains of the two bases. The present method advantageously maintains the number of required amplifiers for each X or Y coordinate at two, no matter how many bases are used in the a row or column.