Automatic synchronous switch for a plurality of asynchronous osc

Details Automatic synchronous switch for a plurality of asynchronous osc Automatic synchronous switch for a plurality of asynchronous osc

1980-06-25

1983-12-06

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307269, 307518, 328104, 331 49, H03K 3013

Patent

active

044196296

ABSTRACT:
A switching circuit for automatically selecting one of a plurality of normally operable asynchronous oscillators is provided with a selection switch for selecting a new oscillator while the formerly selected oscillator is still producing an output. The switching circuit employs the output of the newly selected oscillator to disable the formerly selected oscillator and to subsequently enable the output of the newly selected oscillator to be coupled to the oscillator output of the switching circuit, thus, preventing switch-over from one oscillator to the other during a metastable period.

REFERENCES:
patent: 3904977 (1975-09-01), Barsotti
patent: 3932816 (1976-01-01), MacGregor
patent: 3969638 (1976-07-01), Marchetti et al.
patent: 4156200 (1979-05-01), Gomez

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