4 ms·
Related Ampex patent from 1989 - https://patents.google.com/patent/US5236790A/en https://patents.google.com/patent/US5236790A/en
by atrn 6y ago
Related Ampex patent from 1989 - https://patents.google.com/patent/US5236790A/en https://patents.google.com/patent/US5236790A/en