Control circuit for model railroads

Details Control circuit for model railroads Control circuit for model railroads

1992-04-04

1994-06-14

Ip, Paul

Electricity: motive power systems

Motor-reversing

318257, 318 51, 318603, H02P 774

Patent

active

053213440

ABSTRACT:
A control circuit for a model railroad utilizes a digital counter to control the modes of motor operation. To select a mode of operation a switch is used to repeatedly ground the base of a transistor circuit, causing pulses to be sent to a counter. By using the switch to hold the base of the transistor to ground, the counter sequencing is locked and prevented from further sequencing until the track power is turned off for a defined minimum amount of time. Release of this switched ground places the circuit under track control where short power interrupts cause the counter to sequence to the next count and therefore to sequence the modes of motor operation.

REFERENCES:
patent: 3703648 (1972-11-01), Wrabel
patent: 3946292 (1976-03-01), Tanikoshi
patent: 3955129 (1976-05-01), Wagner et al.
patent: 4028604 (1977-06-01), Togo et al.
patent: 4066941 (1978-01-01), Foster
patent: 4216418 (1980-08-01), Wagensonner et al.
patent: 4341982 (1982-07-01), Lahti et al.
patent: 4356526 (1982-10-01), Russell
patent: 4413211 (1983-11-01), Fowler
patent: 4454454 (1984-06-01), Valentine
patent: 4520418 (1985-05-01), Susi
patent: 4572996 (1986-02-01), Hanschke et al.
patent: 4609954 (1986-09-01), Bolton et al.
patent: 4685023 (1987-08-01), Heaston
patent: 4703244 (1987-10-01), Takeuchi et al.
patent: 4764839 (1988-08-01), Laud
patent: 4914431 (1990-04-01), Severson et al.
patent: 5155427 (1992-10-01), Hori
patent: 5184048 (1993-02-01), Severson et al.

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