Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1982-04-23
1987-08-18
Miller, Stanley D.
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307490, 250552, H03K 342, G06G 712, H01L 3114
Patent
active
046879579
ABSTRACT:
A half-duplex transceiver circuit is disclosed in which a single diode acts as both the light emitter and the light detector. The diode is connected in parallel with a junction in an associated device. The forward voltage drop across the diode exceeds the forward voltage drop across the junction.
REFERENCES:
patent: 4031417 (1977-06-01), Werner
D.C. Voltage Switch by P. Debord, IBM Tech. Disclosure Bulletin, vol. 19, No. 10, Mar. 1977, pp. 3754 and 3755.
Barbee Joe E.
Davis B. P.
Miller Stanley D.
Motorola Inc.
Wille Paul F.
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