1 Apr
2022
1 Apr
'22
10:52 a.m.
On 4/1/22 10:27, Paul Koning wrote:
I know that the CRT display controller on the CDC 200 series terminal
(INTERCOM, Export/Import 200 software) used a 10 msec magnetostrictive
delay line.for image storage. Glass would seem to be a more
mechanically robust storage medium.
See:page 1-5
http://bitsavers.org/pdf/cdc/terminal/82128000_200_User_Terminal_Hardware_R…
Later raster terminals used MOS shift register memory.
The STAR-100 stations used a track on the station microdrum for video
refresh.
--Chuck
On Apr 1, 2022, at 1:25 PM, Chuck Guzis via
cctalk <cctalk at classiccmp.org> wrote:
Wasn't some of this glass delay line memory used in early raster-scanned
computer video displays?
I don't know about that one, but a delay line is a key component of a PAL (European)
system color TV receiver.