Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1975-09-05
1976-12-07
Heyman, John S.
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307286, 357 12, 357 76, H03K 331
Patent
active
039964841
ABSTRACT:
Devices exhibiting negative-resistance characteristics are adjusted and irconnected to form a composite device in a manner to permit negative-resistance regions of each device to cooperatively interact to provide additional stable states in excess of the number of stable states exhibited by the composite device not operating in a negative-resistance interactive mode. A minimum number of (M+1)+[(M-1)!] stable states can be achieved by combining M negative-resistance devices to operate in an interactive manner.
REFERENCES:
patent: 2614140 (1952-10-01), Kreer
patent: 3027464 (1962-03-01), Kosonocky
patent: 3053998 (1962-09-01), Chynoweth et al.
patent: 3062971 (1962-11-01), Wallace
patent: 3075087 (1963-01-01), Lo
Brown Norman
Heyman John S.
Schneider Philip
Sciascia R. S.
The United States of America as represented by the Secretary of
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