Information recording/reproducing apparatus

A scheduling information automatic erasure method performed by an information recording/reproducing apparatus which records information on a recording medium and reproduces the information recorded on the recording medium, the scheduling information automatic erasure method comprising:

• registering scheduling information to periodically record information;
• recording and storing the information on the recording medium based on the scheduling information;
• deleting the recorded information on the recording medium according to a deletion instruction;
• and
• automatically erasing the scheduling information used for recording the recorded information when the recorded information is deleted according to the deletion instruction and when the recorded information has not been reproduced once on an output device.

A non-transitory computer readable storage medium storing a program including a process to be executed by a computer, the process comprising:

• registering scheduling information to periodically record information;
• recording and storing the information on a recording medium based on the scheduling information;
• deleting the recorded information on the recording medium according to a deletion instruction;
• and
• automatically erasing the scheduling information used for recording the recorded information when the recorded information is deleted according to the deletion instruction and when the recorded information has not been reproduced once on an output device.