Robin, Blecker Daley & Driscoll
Recording and/or reproducing apparatus with changeable number of recorded pictures per unit of time
 A recording and/or reproducing apparatus includes among other functions a recording arrangement which has first and second recording modes, such as field- and frame-recording modes, and is capable of varying the number of picture planes to be recorded per unit time is arranged to control the recording speed setting range to be different between recording speeds for the first recording mode and recording speeds for the second recording modes; and, in the event of setting of a recording speed which can be set for the first recording mode but cannot be set for the second mode, the recording speed is automatically changed to a recording speed which can be set for the second recording mode. 
Canon Kabushiki Kaisha
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H04N G11B G11B G11B H04N G11B G11B H04N G11B G11B H04N H04N G11B
inventional inventional additional inventional inventional inventional inventional inventional inventional additional inventional inventional inventional
Masahiro Yasutomo Shigeo
Takei Suzuki Yamagata