04000945 is referenced by 2 patents and cites 5 patents.

In an apparatus for electrographically recording information on a microfilm, a monitor light source is additionally provided to allow the checking of the recorded state while the film is held at the recording position, and an arrangement for the modification or addition of information is provided if necessary.

Title
Information recording apparatus
Application Number
5/538335
Publication Number
4000945
Application Date
January 3, 1975
Publication Date
January 4, 1977
Inventor
Seiichi Hayashi
Hitachi
JA
Touhei Kawakami
Hitachi
JA
Kunio Tajima
Hitachi
JA
Agent
Craig & Antonelli
Assignee
Hitachi
JA
IPC
G03B 13/28
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