Surgery – Truss – Perineal
Patent
1977-05-02
1978-10-10
Kamm, William E.
Surgery
Truss
Perineal
346 33ME, A61B 504
Patent
active
041190904
ABSTRACT:
An electrocardioscope with an input amplifier amplifying the analog ECG signals, with an output Y-amplifier for the Y-deflection and an X-output amplifier for the X-deflection. Between the input amplifier and the output Y-amplifier an analog digital converter, a memory with N-addresses and M-memory values per address and a digital analog counter are arranged. The address selection is determined at the memory by an address generator with N-sites. The input of the output X-amplifier is connected with the digital analog converter and the input of the latter is connected with an X-counter with selectively settable N- and N+n-count digits and the address generator and the X-counter are clocked by a clock.
REFERENCES:
patent: 2933364 (1960-04-01), Campbell
patent: 3585988 (1971-06-01), Creigh et al.
patent: 3707147 (1972-12-01), Sellers
patent: 3793626 (1974-02-01), Zambuto
patent: 3799148 (1974-03-01), Rowen
patent: 3990435 (1976-11-01), Murphy
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