Toshihiko Nakajima

Information signal recording device for recording main information signal with index signal for rapidly and accurately searching main information signal

Rotary drum assembly having dynamic-pressure generating mechanism between rotary shaft and bearing

Rotary head drum unit with grooves or protrusions on a stationary drum for lessening tape contact during rewinding

Rotary head type recording or reproducing apparatus detecting the slack of the recording medium

Cassette device for using cassettes with and without a second recording medium in the cassette

Rotary head drum having a connecting member for providing electrical conduction

Device and method for recording and reproducing image information

Disk recording apparatus, calculating the predicted time until recording is completed on a disk-shaped recording medium

Disk recording apparatus, disk recording method and program

Kassettengerät Cassette player