1982-12-28
1986-02-18
Arnold, Bruce Y.
350320, G02B 532
Patent
active
045710201
ABSTRACT:
A method of recording a holographic plate and deflecting light in synchronism in which a scanning beam interference pattern and a synchronous signal interference pattern are both recorded on a holographic plate. When the plate is subsequently rotated, a spherical wave passing through the scanning beam portion of the plate describes an arc in space BB'. Likewise, a spherical wave passing through the synchronous signal portion of the plate describes an arc in space DD'. In this manner, a recording medium can be synchronously scanned when it is disposed along arc BB', and a clock signal can be produced when a grid pattern is disposed within arc DD'. Accordingly, picture images can be recorded or read out at high accuracy even if the holograms are spaced unevenly.
REFERENCES:
patent: 4296994 (1981-10-01), Quick et al.
patent: 4348080 (1982-09-01), Funato
Ishikawa Hiromi
Noguchi Masaru
Arnold Bruce Y.
Fuji Photo Film Co. , Ltd.
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