 |
1877_
Grooved cylinder |
 |
|
|
 |
1887_
Grooved disc |
|
|
|
 |
1897_
Grooved
shellac disc |
|
|
|
 |
1898_
Recording
wire |
|
|
|
 |
1923_
Film with optical sound |
|
|
|
 |
1934_
Coated plastic audio tape
|
|
|
|
 |
1946_
Commercial
vinyl record |
|
|
|
|
|
|
_1947
Williams memory tube
|
 |
|
| |
_1949
Magnetic drum data storage |
 |
|
|
|
_1950
Computer data tape
|
 |
|
|
|
_1953
Magnetic core memory
|
 |
|
|
|
_1955
Iron oxide coated disk storage
|
 |
 |
1956_
2" professional videotape |
|
|
|
|
|
|
_1959
Integrated circuit
|
 |
 |
1963_
Compact
audio cassette
|
|
|
|
 |
1965_
8-track audio cartridge
|
|
|
|
 |
1971_
3/4" videocassette
|
|
|
|
 |
1975_
1/2" Betamax® videocassette
|
|
|
|
 |
1976_
1/2" VHS
videocassette |
|
_1976
5-1/4" floppy disk
|
 |
 |
1978_
Laser
optical disk |
|
|
|
|
|
|
_1980
3-1/2" floppy disk
|
 |
|
|
|
_1982
Audio CD
|
 |
|
|
|
_1987
DAT (Digital Audio Tape)
|
 |
|
|
|
_1990
CD-R (recordable compact disk) |
 |
|
|
|
_1994
Flash memory card |
 |
|
|
|
_1995
DV digital video cassette format |
 |
|
|
|
_1996
Video DVD (Digital Versatile Disk) |
 |
