Signal generating arrangements

Details Signal generating arrangements Signal generating arrangements

1981-03-25

1982-12-07

Miller, C. D.

Communications: electrical

Audible indication

Percussion-type sound producer

315367, 328181, 364521, 340739, H03K 1302

Patent

active

043630251

ABSTRACT:
A digitally controlled, presettable, ramp signal generating arrangement comprising digital to analogue converter means (DA) and integrator means (A1, A2) having a first mode in which its output (0) assumes a value representative of the output of the converter means, and a second mode in which its output changes at a rate dependent on the output of the converter means. The arrangement finds especial application in symbol display arrangements.

REFERENCES:
patent: 3070786 (1962-12-01), MacIntyre
patent: 3539860 (1970-11-01), Max
patent: 4001806 (1977-01-01), Sweeting
patent: 4176398 (1979-11-01), Rider
Brandon, "IBM Technical Disclosure Bulletin" vol. 20, No. 10, Mar. 1978, pp. 4155-4156.

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