Communications: electrical – Continuously variable indicating – With meter reading
Patent
1986-09-17
1988-12-20
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
34082591, 379292, 307241, 307448, 307571, H04Q 300, H03K 1920
Patent
active
047928018
ABSTRACT:
In a broadband signal space switching device comprising a cross point matrix whose switching elements are respectively controlled by holding storage cells selected by cross point-associated means in two coordinate directions by selection decoders, the holding storage cells being formed by bistable D flip-flops constructed in CMOS technology whose D inputs are connected to the respective decoder output of the row decoder charged with a cross point row address and an address clock signal and whose clock inputs are connected to the corresponding decoder output of the column decoder respectively charged with a cross point column address and an address clock signal.
REFERENCES:
patent: 4024352 (1977-05-01), Mukaemachi et al.
patent: 4107472 (1978-08-01), Kawanami et al.
patent: 4417245 (1983-11-01), Melas et al.
patent: 4611204 (1986-09-01), Draayer
patent: 4635250 (1987-01-01), Georgiov
"Low Power CML IC Crosspoint Switch Matrix for Space Division Digital Switching Networks", M. Sunazawa et al., IEEE Journal of Solid-State Circuits, Apr.
"Wideband Integrated Crosspoint Switch Matrix", M. Sunazawa et al., Review of the Electrical Communication Laboratories, vol. 25, Nos. 1-2, Jan.-Feb. 1977, pp. 43-51.
Pfannschmidt, "Arbeitsgeschwindigkeitsgrenzen Von Koppelnetzwerkin fur Breitband-Digitalsignale", Dissertation Braunschweig 1978, pp. 120-125.
Hasler Mitteilungen, vol. 33, No. 1, Apr. 1974, pp. 20-32.
ISS'84 Conference Papers, 23C1, FIG. 9, p. 7; 23C paper 3, pp. 1-6, May 1984, Telecommunication Switching, "State of the Art Impact on Networks and Services", Proceedings of the International Switching Symposium.
Siemens Aktiengesellschaft
Yusko Donald J.
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