https://patentbrief.org/company/ampex-corp Plain-English explanations of patents assigned to Ampex Corp, newest first. en-us Sat, 13 Jun 2026 10:06:26 GMT https://patentbrief.org/patent/us/2956114/videotape-recorder-ampex This 1955 invention enabled the recording of high-frequency television signals onto magnetic tape, replacing the expensive and low-quality film recording methods of the era. Tue, 11 Oct 1960 00:00:00 GMT https://patentbrief.org/patent/us/2956114/videotape-recorder-ampex