Fail-safe pulse providing apparatus

Details Fail-safe pulse providing apparatus Fail-safe pulse providing apparatus

1979-02-15

1981-07-14

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307246, 328120, 246 29R, H03K 342, H03K 519

Patent

active

042789001

ABSTRACT:
There is disclosed improved time slot scanner control apparatus, including a fail-safe control pulse former apparatus provided for each of a desired plurality of information time slots to sequence the data information transfer in relation to the respective track circuits operative with a transit vehicle. An information timing track is provided for sequencing this data information transfer and to reset the apparatus after each provided sequence of time slot control pulses.

REFERENCES:
patent: 3036225 (1962-05-01), Kladde
patent: 3551889 (1970-12-01), Miller
patent: 3562712 (1971-02-01), Thorne-Booth et al.
patent: 3582892 (1971-06-01), Hoyler
patent: 3586982 (1971-06-01), Hoyler
patent: 3588709 (1971-06-01), Hoyler
patent: 3593022 (1971-07-01), Hoyler
patent: 3691368 (1972-09-01), Hoyler
patent: 3743858 (1973-07-01), Woods
patent: 3867684 (1975-02-01), Ginsberg et al.
patent: 3995173 (1976-11-01), Sibley
patent: 4099157 (1978-07-01), Enabnit
The BARTD Train Control System by W. P. Bollinger, Westinghouse Electric Corp., Reprint from Railway Signaling & Communications, 12/67, 6 pgs.

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