RECORDING AND REPRODUCING DEVICE, CONTROL METHOD OF RECORDING AND REPRODUCING DEVICE, AND PROGRAM

• Main Authors: MAEDA MASAMINE, FUJII AKIO
• Format: Patent
• Language: English; Japanese
• Published: 20.09.2018
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

PROBLEM TO BE SOLVED: To enable reliability of high-speed writing to be secured without performing re-tuning when card access occurs consecutively.SOLUTION: A recording and reproduction device includes clock supply means for supplying a clock for transmitting and receiving data to and from a storage medium, transmitting and receiving means that transmits the data to the storage medium in response to the clock, and receives, in response to the clock, the data transmitted by the storage medium in response to the clock supplied by the clock supply means, control means that controls to supply, when the transmitting and receiving means receives data from the storage medium, the first clock, and to supply, when the transmitting and receiving means transmits data to the storage medium, a second clock of higher speed than the first clock.SELECTED DRAWING: Figure 1 【課題】連続的にカードアクセスが発生する場合に、再チューニングを行なわずとも高速書き込みの信頼性を確保することを可能とする。【解決手段】記録再生装置であって、記憶媒体に、データの送受信のためのクロックを供給するクロック供給手段と、前記クロックに応じて前記記憶媒体にデータを送信し、前記記憶媒体が前記クロック供給手段により供給されたクロックに応じて送信したデータを前記クロックに応じて受信する送受信手段と、前記送受信手段が前記記憶媒体からのデータを受信する場合に第一クロックを供給し、前記送受信手段が前記記憶媒体にデータを送信する場合に前記第一クロックよりも高速な第二クロックを供給するように制御する制御手段と、を備える。【選択図】図１