Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1974-08-13
1977-06-14
Miller, Charles D.
Communications: electrical
Audible indication
Percussion-type sound producer
H03K 1302
Patent
active
040300927
ABSTRACT:
A circuit for a digital/analog converter comprising a shift register whose contents correspond to a value of an electrical magnitude, a control logic unit for controlling the shift register and an integration element for integrating the contents of the shift register to produce the value of the electrical magnitude.
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patent: 3553685 (1971-01-01), Tatsuzawa et al.
patent: 3581116 (1971-05-01), Leostic
patent: 3811038 (1974-05-01), Reddaway
patent: 3822380 (1974-07-01), Forgione
patent: 3831167 (1974-08-01), Tewksbury
Croisier, "IBM Technical Disclosure Bulletin," vol. 15, No. 7, Dec., 1972, pp. 2050-2051.
Soanes, "Electronic Engineering," June, 1956, p. 247.
Laurich, "IBM Technical Disclosure Bulletin," vol. 13, No. 7, Dec., 1970, pp. 1865-1866.
Kuhlmann Joachim
Sieber Paul
LICENTIA Patent-Verwaltungs-G.m.b.H.
Miller Charles D.
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