Brian P Moran

US Patent:

46162593, Oct 7, 1986

Filed:

Apr 27, 1984

Appl. No.:

6/604580

Inventors:

Brian P. Moran - Arlington Heights IL
Edward W. Andrews - Brookfield WI
Stanford W. Miller - New Berlin WI

Assignee:

General Electric Company - Schenectady NY

International Classification:

H04N 504

US Classification:

358148

Abstract:

In cases where the reference signal pulses supplied to one input of the phase detector of a phase-locked loop (PLL) may shift in phase significantly, the PLL may not be able to lock-in quickly enough to the apparent input pulse frequency change. In video monitor circuits where digital counters are clocked by the output frequency of the PLL, for example, the momentary loss of synchronism can cause horizontal scanning of the monitor screen to start too early or too late. A circuit is provided that lets the PLL make normal phase and frequency adjustments during a predetermined period during which counter reset is disabled. The circuit provides a window before and after this period during which counter reset is enabled. A reference pulse with a substantial phase error falls within the window. If three conditions are met, namely, the Reset Enable window exists, the reference pulse occurred within the window and the scan is near the bottom of the monitor screen, then a counter reset to zero signal is produced.

US Patent:

61135283, Sep 5, 2000

Filed:

Jun 10, 1998

Appl. No.:

9/095850

Inventors:

Brian J. Moran - Hinsdale IL

International Classification:

A61N 500
A61M 3600

US Classification:

600 7

Abstract:

A needle manipulation ruler for use in brachytherapy allowing a needle containing radioactive material to be manipulated without exposing the surgeon to radioactivity. A plurality of needle engagers are contained on the needle manipulation ruler. These needle engagers can be indentations in the needle manipulation ruler or protuberances on the needle manipulation ruler. A needle can be engaged with the needle engagers by either inserting the needle into the indentations or pressuring the needle against the protuberances. The engaged needle can be adjusted in any direction from any angle that the needle manipulation ruler is held relative to the needle.