Signalling circuit

Details Signalling circuit Signalling circuit

1985-12-16

1987-12-08

Pellinen, A. D.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

340652, G05F 316

Patent

active

047120568

ABSTRACT:
A signalling circuit which outputs reference potential at either a first or second output, dependent on an input signal. The signalling circuit operates reliably in a large range of operating voltage with an optimally low power consumption. A constant current circuit and a parallel connection of two current paths fed by constant current are provided in a circuit connected to an operating voltage source. The first and second outputs are respectively connected to reference potential via respective electronic switches controllable by the current of the respective current path. The constant current is switchable from one current path to the other and vice versa, dependent upon the input criteria.

REFERENCES:
patent: 3761775 (1973-09-01), Ozawa et al.
patent: 3903430 (1975-09-01), Arns
patent: 4514648 (1985-04-01), Dotson et al.
patent: 4560921 (1985-12-01), Yamatake
patent: 4567539 (1986-01-01), Sinberg
patent: 4594518 (1986-06-01), Pollachek
Siemens Review, vol. XLI (1974), Special Issue, "Communications Engineering", pp. 334 and 335.

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