Digital signal generator

Details Digital signal generator Digital signal generator

1974-08-02

1977-05-24

Habecker, Thomas B.

Communications: electrical

Systems

Call station

340347P, G08C 1916

Patent

active

040259145

ABSTRACT:
There is provided a digital signal generator for producing accurate digital signals according to the detected state of a combination consisting of mechanical and electrical elements. The generator has a signal section consisting of a predetermined conductor pattern including a digital signal pattern and a timing signal pattern and a contact group slidable over the signal section to take out digital signal and timing signal. A digital signal is selectively provided in correspondence to the relative position of the signal section relative to the contact group, and the accuracy of the digital signal is ensured by so arranging that it is provided with the timing signal prevails at a timing signal contact in the aforesaid contact group.

REFERENCES:
patent: 2132213 (1938-10-01), Locke
patent: 2880410 (1959-03-01), Postman
patent: 3015814 (1962-01-01), Lippel
patent: 3032752 (1962-05-01), Welch
patent: 3056956 (1962-10-01), Retzinger
patent: 3138794 (1964-06-01), Blum
patent: 3187318 (1965-06-01), Chapman
patent: 3558861 (1971-01-01), Collins

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