Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1982-03-15
1985-01-15
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D02771896
REFERENCES:
patent: 3372310 (1968-03-01), Kantor
patent: 4028538 (1977-06-01), Olander, Jr. et al.
patent: 4095791 (1978-06-01), Smith et al.
patent: 4149027 (1979-04-01), Asher et al.
Electric Wave Science, 4-1-81, p. 73, Commodore Rampack.
Plug-in ROM Module 92 shown in U.S. Pat. No. 3,859,635 Watson et al., Jan. 7, 1975.
Atari Basic ROM Package CXL4002; "ASCII", 1980, a cover page and p. 125.
`Fanac Bubble Cassette` of Fujitsu Fanac Limited; Nikkei Industrial News, Jul. 23, 1980.
Catalogue of Casio Memory Packages, (ROM Package E-4K, RAM Package D-16K, and RAM Package C-4K) as of May 1, 1981.
Lucas Susan J.
Tokyo Shibaura Denki Kabushiki Kaisha
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