Fujitsu Corporation

Masaru Itoh

Masayuki Itoh

Masakazu Kishi

Osamu Ishibashi

Jin Abe

Sadao Miyazaki

Yoshitsugu Goto

A memory apparatus, includes: a memory including memory regions; a table storing a memory address and a number of reading times of data; a first buffer storing first data from another memory apparatus and a first memory address of the first data; a second buffer storing second data to the another memory apparatus and a second memory address of the second data; and a controller configured to store, when a first number of reading times being minimum in the table is smaller than a second number of reading times of the first data, the first data and the first memory address into the first buffer and outputs third data in a memory region of the first number and a third memory address of the third data to the another memory apparatus via the second buffer, and rewrites the third data and memory address with the first data and memory address.

Memory apparatus, memory system and memory controlling method

A crystal unit may include a crystal piece, an excitation electrode configured to excite the crystal piece, a case configured to accommodate the crystal piece, an external electrode formed in the case and configured to be electrically connected to the excitation electrode, and an antenna formed in the case and configured to be electrically connected to the external electrode.

Crystal unit and method of measuring characteristics of the crystal unit

Growing community of inventors

Kawasaki, Japan

Masaru Itoh