| Patent Number |
Title Of Patent |
Date Issued |
| RE31750 |
Data acquisition system |
November 27, 1984 |
| A data acquisition system utilizing a microcomputer and incorporating a plurality of monitors each adapted to produce an electrical signal indicative of a physical condition of apparatus to be monitored. The electrical signals are fed via multiplexing equipment and analog-to-digital |
| 5239935 |
Oscillating damper and air-swept distributor |
August 31, 1993 |
| An oscillating damper and air-swept distributor is disclosed for controllably introducing solid fuel into a furnace. The oscillating damper having an oscillating valve member, which oscillates between a first adjustable position and second adjustable position. The air-swept distribut |
| 4408285 |
Vibration analyzing apparatus and method |
October 4, 1983 |
| Apparatus and method utilized in carrying out vibrational analysis wherein the output of a vibration monitoring transducer is treated by filtering in stepped fashion over a broad spectrum of frequencies. The stepped filtering is provided utilizing minimum dwell intervals at lower fre |
| 4184205 |
Data acquisition system |
January 15, 1980 |
| A data acquisition system utilizing a microcomputer and incorporating a plurality of monitors each adapted to produce an electrical signal indicative of a physical condition of apparatus to be monitored. The electrical signals are fed via multiplexing equipment and analog-to-digital |
| 4112382 |
Digital sweep circuit for generating sawtooth wave form |
September 5, 1978 |
| A combination electronic device provides a digital sweep circuit adapted to generate a sweep signal which increases in frequency at constant intervals over a selected range of frequencies and over a selected period of time. |
| 4044310 |
Circuitry for generating a sine wave and/or cosine wave from a pulse signal |
August 23, 1977 |
| Circuitry for generating a sine wave and/or a cosine wave from a pulse signal wherein cyclically repeating pulses each generate one cycle of a sine wave and/or a cosine wave. Each pulse institutes a sawtooth signal; a square wave generator produces a square wave having a positive excursi |
| 4035733 |
Pulse signal conditioning circuit |
July 12, 1977 |
| A pulse signal conditioning circuit. Repetitive pulse signals can be sharpened and freed of accompanying, unwanted noise manifestations by means of a network of steering diodes and constant current diodes feeding a comparator circuit producing sharp, uniform pulses. |
| 3938394 |
Combination balance analyzer and vibration spectrum analyzer |
February 17, 1976 |
| A combination electronic device provides balance analyzing capabilities, narrow band and wide band spectrum analysis capabilities, automatic tracking filtering capabilities, precision dynamic balancing with remote phase presentation, and tracking filtering. The device presents multiple |
