04425637 is referenced by 23 patents and cites 3 patents.

Title
Optical recording apparatus
Application Number
6/316908
Publication Number
4425637
Application Date
October 30, 1981
Publication Date
January 10, 1984
Inventor
Tadashi Abe
Hirakata
JP
Shinichi Tanaka
Kyoto
JP
Agent
Wenderoth Lind & Ponack
Assignee
Matsushita Electric Industrial
JP
IPC
H04N 5/781
G11B 7/00
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