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US 5,194,997 AGranted
Data recording apparatus having sub-code recording function
AssigneeCanon Kabushiki Kaisha
InventorsSusumu Kozuki, Katsuji Yoshimura, Toshiyuki Masui
Life of this patent
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Abstract
A data recorder has a first recording mode in which a rotary head records, on a tape-shaped recording medium, main data related to main information by forming many parallel tracks in a first area of the medium which extends in the lengthwise direction of the medium; and a second recording mode in which the rotary head records on the medium only sub-code data which is other than the main data by repeatedly recording the sub-code data many times forming many parallel tracks in a second area which extends in the lengthwise direction of the medium and in parallel to the first area.
Claims23
A data recording apparatus comprising:
- a) a cylinder member provided with a rotary head;
- b) transport means for transporting a tape-shaped recording medium in the lengthwise direction thereof, said tape-shaped recording medium being wrapped round said cylinder member;
- c) means for generating main data related to main information;
- d) means for generating sub-code data related to sub-information which is other than said main information;
- and
- e) mode changeover means for changing over said apparatus between a plurality of modes thereof, said plurality of modes including:
- a first recording mode in which said main data is recorded in many parallel tracks formed by said rotary head at a first area extending in the lengthwise direction of said tape-shaped recording medium;
- and
- a second recording mode in which said sub-code data is repeatedly recorded a plurality of times in each of many parallel tracks formed by said rotary head at a second area extending in the lengthwise direction of said tape-shaped recording medium and in parallel to said first area.
6 more elements
A data recording apparatus comprising:
- a) a cylinder member provided with a rotary head;
- b) transport means for transporting a tape-shaped recording medium in the lengthwise direction thereof, said tape-shaped recording medium being wrapped round said cylinder member;
- c) clock signal generating means for generating a master clock signal for determining a frequency of generating digital data;
- and
- d) mode changeover means for changing over said apparatus between a plurality of modes thereof, said plurality of modes including:
- a first recording mode in which said transport means transports said tape-shaped recording medium at a first speed, and first digital data formed on the basis of a first clock signal generated by said clock signal generating means is recorded in many parallel tracks formed by said rotary head at a first area extending in the lengthwise direction of said tape-shaped recording medium;
- and
- a second recording mode in which said transport means transports said tape-shaped recording medium at a second speed which is faster than said first speed, and second digital data formed on the basis of a second clock signal generated by said clock signal generating means and having a frequency set to have the same wave length as said first clock signal on said recording medium is recorded in many parallel tracks formed by said rotary head at a second area extending in the lengthwise direction of said tape-shaped recording medium and in parallel to said first area.
5 more elements
A data recording apparatus comprising:
- a) a rotary head;
- b) transport means for transporting a tape-shaped recording medium in the lengthwise direction thereof;
- and
- c) mode changeover means for changing over said apparatus between a plurality of modes thereof, said plurality of modes including:
- a first recording mode in which main data related to main information is recorded by said rotary head in a first area extending in the lengthwise direction of said tape-shaped recording medium and said transport means transports said tape-shaped recording medium at a first speed;
- and
- a second recording mode in which sub-code data related to sub-information is recorded by said rotary head in a second area extending in a lengthwise direction of said tape-shaped recording medium and in parallel to said first area, and said transport means transports said tape-shaped recording medium at a second speed which is faster than said first speed.
4 more elements
A data recording apparatus comprising:
- a) head means;
- b) transport means for transporting a tape-shaped recording medium in the lengthwise direction thereof;
- and
- c) mode changeover means for changing over said apparatus between a plurality of modes thereof, said plurality of modes including:
- a first recording mode in which main data related to main information is recorded by said head means, and said transport means transports said tape-shaped recording medium at a first speed;
- and
- a second recording mode in which sub-code data related to sub-information is recorded by said head means, and said transport means transports said tape-shaped recording medium at a second speed which is faster than said first speed.
4 more elements
A data recording apparatus comprising:
- a) head means;
- b) transport means for transporting a tape-shaped recording medium in a lengthwise direction thereof;
- and
- c) mode changover means for changing over said apparatus between a plurality of modes thereof, said plurality of modes including:
- a first recording mode in which first data is recorded by said head means in a first area extending in the lengthwise direction of said tape-shaped recording medium;
- and said transport means transports said tape-shaped recording medium at a first speed;
- and
- a second recording mode in which second data is recorded by said head means in a second area extending in the lengthwise direction of said tape-shaped recording medium and in parallel to said first area, and said transport means transports said tape-shaped recording medium at a second speed which is faster than said first speed.
5 more elements
Dependencies are inferred from the claim text.