Invention Grant
US07936491B2 Hologram recording medium, hologram recording apparatus and method, and computer program 失效
全息记录介质,全息记录装置和方法以及计算机程序

Hologram recording medium, hologram recording apparatus and method, and computer program
Abstract:
A hologram recording apparatus (300) is provided with: a recording device (100) for recording record information into a hologram recording medium (1); a measuring device (325) for measuring a time elapsed from when the recording of the record information is stopped to when the recording of the record information is restarted; a first controlling device (354) for controlling the recording device to multiplex-record the record information, if the measured elapsed time is shorter than a time length in which the record information can be multiplex-recorded; and a second controlling device (354) for controlling the recording device not to multiplex-record the record information, if the measured elapsed time is longer than the time length in which the record information can be multiplex-recorded.
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