Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1979-01-15
1981-08-11
Sloyan, Thomas J.
Communications: electrical
Audible indication
Percussion-type sound producer
315367, 315377, 324102, 324121R, 328129, 328130, 328151, 340347M, 340347AD, H03K 1302
Patent
active
042837138
ABSTRACT:
A waveform acquisition circuit for both real-time and equivalent-time acquisition modes with a smooth transition between modes. The circuit includes a control circuit which causes an analog-to-digital converter to take samples of an analog waveform in precise time relationship with preselected data points along the time axis of the waveform. The data points may be preselected in accordance with a variable increment.
REFERENCES:
patent: 3192519 (1965-06-01), Anderson
patent: 3456189 (1969-07-01), Hornak
patent: 3484591 (1969-12-01), Trimble
patent: 3662380 (1972-05-01), Cargile
patent: 3816815 (1974-06-01), Schumann
patent: 3836851 (1974-09-01), Schumann
patent: 4047115 (1977-09-01), Toda et al.
patent: 4068310 (1978-01-01), Friauf
patent: 4074190 (1978-02-01), Bunting
patent: 4117722 (1978-10-01), Helmstetter
Noe George T.
Sloyan Thomas J.
Tektronix Inc.
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