机构:
Cornell Univ, Ithaca, United StatesCornell Univ, Ithaca, United States
Kline, Ronald
[1
]
机构:
[1] Cornell Univ, Ithaca, United States
来源:
IEEE Control Systems Magazine
|
1993年
/
13卷
/
04期
基金:
美国国家科学基金会;
关键词:
History;
-;
Technology;
D O I:
10.1109/37.229565
中图分类号:
学科分类号:
摘要:
A historical perspective of Harold Black's invention of negative-feedback amplifier and its application in reducing over-crowding of lines extension of long-distance network by means of carrier telephony is presented in this paper.