Self-contained multi-mode vibratory feeder control with unitary

Details Self-contained multi-mode vibratory feeder control with unitary Self-contained multi-mode vibratory feeder control with unitary

1981-11-17

1984-06-26

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

198751, G01V 904

Patent

active

044568223

ABSTRACT:
A vibratory power control having all of the electronics for feedback control of a vibratory parts feeder in a single unit with a fiber-optic cable for remote sensing of parts feeding and a single control adjusting both on delay and off delay of the feeder. A mode switch for selecting on delay, off delay, or dual delay; a sensor polarity switch, and a wired-OR sensor input are provided so that the improved electromagnetic noise immunity of the self-contained design is obtained with a coincident increase rather than decrease in system flexibility.

REFERENCES:
patent: 3898516 (1975-08-01), Nakasone
patent: 4050572 (1977-09-01), Armstrong
patent: 4097791 (1978-06-01), Bivens et al.
patent: 4278881 (1981-07-01), Mann
patent: 4320316 (1982-03-01), Horii et al.
Product Design & Dev., Jul. 1980, p. 39 (mini power control).
New Equipment Digest, Feb. 1980, (Rodix sales literature).
Rodix Bulletin FC-3, Solid State Feeder Controls, 1980.
General Electronic, SCR Manual, 1967, p. 189, Fig. 9.15.
EDR Electronics, PR151 Photo Proximity Control, Pub. 131, Aug. 1980.
Fairchild, Linear IC Data Catalog 1971, 114-117.
RCA, Transistor Thyristor & Diode Manual, 1971, 210-225.
RCA Integrated Circuits, 1976, 42-45, 161-165, 356.
GE, Transistor Manual, 1964, 321-325.
Turner, FET Circuits, 1968, 98-101.

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