In message <[email protected]>, Magnus Danielson writes: >Joe Gwinn wrote:
>> The exception to this was that video generators were (and still >> are) often locked to the AC line so that hum bars would not drift across >> the screen. > >I have never seen this in any of the devices I've seen. It is certainly >not what we do in the TV world either. Examples would be good. This feature disappeared with color television, specifically NTSC, which tweaked the vertical frequency just a tad lower than 60Hz. Poul-Henning PS: But NTSC gave us the 14.31818181.. MHz frequency, as imortalized by the ghastly colors of the IBM CGA. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [email protected] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
