- +++ 1987 .d. caseta/cassette DAT = Digital Audio Tape
- + ca. 1995.b. DDS data cassette
- +++ 1994.c.c. Sony DTRS cassette
- +++ 1991.a. Philips DCC = Digital Compact Cassette
- +++ 1980.l.c. Philips LDB 4401 - world's first digital minicassette
- +++ 1962-3.f.c. 3M(Scotch) type 270
- +++ 1962 (?).e.c. caseta/casette Vity
- +++ 1967.l.c. Philips LFH 0001 = first minicassette(TM) in the world
- +++ 1992.b. ADAT casssette
- +++ 1966.f.c. caseta/cartridge Playtape
- +++ 1964.c.c. caseta/cassette Sanyo Magazine
- +++ 1992.c.c. Sony NTC - smallest audio cassette ever made
- +++ 1986.c.c. Dictasette (picocassette)=smallest analog cassette
- +++ 1976.f.c. caseta/cassette Elcaset
- +++ ca1973.g.c. Grundig Steno-cassette