Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1984-04-27
1986-07-22
Shoop, Jr., William M.
Communications: electrical
Audible indication
Percussion-type sound producer
307459, H03M 112
Patent
active
046022449
ABSTRACT:
An integrated injection logic circuit having constant current source transistors and switching inverter transistors. The injector thereof is directly connected to a first reference potential point and the wall thereof is connected through a bias resistor or constant current source to a second reference potential point.
REFERENCES:
Digital Fundamentals by Thomas L. Floyd, pp. 530-532, Charles E. Merrill Publishing Co., 1982.
Practical Solid-State Circuit Design by G. E. Oleksy, Howard W. Sams & Co. Inc., 1981, pp. 38-43.
Electronic Integrated Circuits and Systems by Franklin C. Fitchen Van Nostrand Company, 1970, pp. 120-123.
Takayanagi Yoshiyuki
Takeda Masashi
Bergmann Saul M.
Eslinger Lewis H.
Shoop Jr. William M.
Sinderbrand Alvin
Sony Corporation
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