Communications: directive radio wave systems and devices (e.g. – With particular circuit – Display
Patent
1985-12-04
1987-06-23
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
With particular circuit
Display
358140, H04N 701
Patent
active
046756795
ABSTRACT:
A digital scan converter comprises an A/D converter; an input buffer; a random access memory; a write address generator; a plurality of read address generators; an address switch circuit composed of a first address switch means for switching the addresses from the write address generator and the read address generators and delivering the addresses via an address signal line to the random access memory, and alternately switching a first address signal line for transmitting the address from the write address generator and a common signal line for commonly transmitting the addresses from the plurality of the read address generators for connecting one of said switched lines with the address signal line, and a second switch means for switching in succession the connection between the common signal line and a plurality of second signal lines respectively connected with the plurality of the read address generators for transmitting the addresses; a plurality of output buffer; an output switch circuit having a third switch means cooperating with the second switch means for switching the connection between the first data line for transmitting the digital data from the random access memory and the plurality of the second data lines for transmitting the digital data to the output buffers, the output switch circuit being adapted to receive the digital data from the random access memory and switch the connections from the output switch circuit to the plurality of the output buffers; and a plurality of D/A converters.
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patent: 3765018 (1973-11-01), Heard et al.
patent: 4358789 (1982-11-01), Confer
patent: 4567506 (1986-01-01), Shinoda et al.
patent: 4577225 (1986-03-01), Pritchard
patent: 4580163 (1986-04-01), Hartmeier
patent: 4580164 (1986-04-01), Andrieu et al.
patent: 4587557 (1986-05-01), Doornhein et al.
patent: 4598314 (1986-07-01), Reimers
Hayes, Jr. Donald E.
OKI Electric Industry Co., Ltd.
Tarcza Thomas H.
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