Hiroshi Inose
Encyclopedia
was an electrical engineer, known as the inventor of the Time-Slot Interchange
system, which is basic to modern digital telephone switches.
from the University of Tokyo
in 1948, and received his doctorate
there in 1955. From 1956 to 1958 he was an associate at the University of Pennsylvania
and a consultant
at Bell Labs
, where he developed the time slot interchange system. From 1961 to 1987 he returned to the University of Tokyo as a professor of electrical engineering, after which he became the Director General of Japan
's National Center for Science Information Systems.
In 1976 he received the Marconi Prize
, in 1993 the Harold Pender Award
, and in 1994 the IEEE Alexander Graham Bell Medal
.
Time-Slot Interchange
A Time Slot Interchange switch uses RAM, memory for mapping and a counter. Like any switch, it has input and output ports.The function of the RAM is to store the packets which are inputted to it via its input terminal. Memory for mapping stores the information.The counter here is like a normal...
system, which is basic to modern digital telephone switches.
Biography
Inose graduated with a Bachelor of EngineeringBachelor of Engineering
The Bachelor of Engineering is an undergraduate academic degree awarded to a student after three to five years of studying engineering at universities in Armenia, Australia, Bangladesh, Bulgaria, Canada, China, Denmark, Egypt, Finland , Germany, Hong Kong, India, Indonesia, Ireland, Jordan, Korea,...
from the University of Tokyo
University of Tokyo
, abbreviated as , is a major research university located in Tokyo, Japan. The University has 10 faculties with a total of around 30,000 students, 2,100 of whom are foreign. Its five campuses are in Hongō, Komaba, Kashiwa, Shirokane and Nakano. It is considered to be the most prestigious university...
in 1948, and received his doctorate
Doctorate
A doctorate is an academic degree or professional degree that in most countries refers to a class of degrees which qualify the holder to teach in a specific field, A doctorate is an academic degree or professional degree that in most countries refers to a class of degrees which qualify the holder...
there in 1955. From 1956 to 1958 he was an associate at the University of Pennsylvania
University of Pennsylvania
The University of Pennsylvania is a private, Ivy League university located in Philadelphia, Pennsylvania, United States. Penn is the fourth-oldest institution of higher education in the United States,Penn is the fourth-oldest using the founding dates claimed by each institution...
and a consultant
Consultant
A consultant is a professional who provides professional or expert advice in a particular area such as management, accountancy, the environment, entertainment, technology, law , human resources, marketing, emergency management, food production, medicine, finance, life management, economics, public...
at Bell Labs
Bell Labs
Bell Laboratories is the research and development subsidiary of the French-owned Alcatel-Lucent and previously of the American Telephone & Telegraph Company , half-owned through its Western Electric manufacturing subsidiary.Bell Laboratories operates its...
, where he developed the time slot interchange system. From 1961 to 1987 he returned to the University of Tokyo as a professor of electrical engineering, after which he became the Director General of Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
's National Center for Science Information Systems.
In 1976 he received the Marconi Prize
Marconi Prize
The Marconi Prize is an annual award by The Marconi Society, which recognizes advancements in information technology and communications. The Prize includes a $100,000 honorarium and a work of sculpture, and honorees are called Marconi Fellows...
, in 1993 the Harold Pender Award
Harold Pender Award
The Harold Pender Award, initiated in 1972 and named after founding Dean Harold Pender, is given by the Faculty of the School of Engineering and Applied Science of the University of Pennsylvania to an outstanding member of the engineering profession who has achieved distinction by significant...
, and in 1994 the IEEE Alexander Graham Bell Medal
IEEE Alexander Graham Bell Medal
The IEEE Alexander Graham Bell Medal is an award honoring "exceptional contributions to the advancement of communications sciences and engineering" in the field of telecommunications...
.