Title:
Point contact negative resistance devices
United States Patent 2469569
Inventors:
Ohl, Russell S.
Publication Date:
05/10/1949
Export Citation:
Click for automatic bibliography generation
Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
331/107R
Other Classes:
29/599, 29/825, 257/41, 257/636, 310/318, 310/328, 327/571, 329/370, 330/61A, 330/62, 330/250, 331/117R, 331/132, 331/158, 332/178, 333/217, 438/101, 438/694
International Classes:
H01L21/00; H01L29/00; H03B7/06; H03C7/02; H03F3/12; H04B3/18
View Patent Images:
Download PDF 2469569        PDF help
US Patent References:
2402839Electrical translating device utilizing silicon
2373624Negative resistance loading
2360233Thermistor as amplifier for low frequency signals
2294908Electric wave system
2054757Piezoelectric filter
1900045Two-way negative resistance repeater
1900018Device for controlling electric current
1875397N/A
1810475Receiver
1792781Method of generating oscillations
1328326Electric circuit
1096142N/A
RE18579N/A
Foreign References:
GB491603A
GB551209A