Inventor · disambiguated record
David Q. Lee
Also filed as: LEE DAVID Q · LEE DAVID QUON
9 granted patents·111 citations·filing 1974–1979
89Inventor score
Files withGTE AUTOMATIC ELECTRIC LAB INC9
Top patents by PatentIndex Score
9 records- 0173US4054755AConference circuit for pulse coded modulated telephonyGTE AUTOMATIC ELECTRIC LAB INC·Filed 1976·Granted Oct 18, 1977·16 cites·5 claims
- 0272US4230912ADial pulse sensor and repeater circuitGTE AUTOMATIC ELECTRIC LAB INC·Filed 1979·Granted Oct 28, 1980·13 cites·7 claims
- 0371US3967070AMemory operation for 3-way communicationsGTE AUTOMATIC ELECTRIC LAB INC·Filed 1975·Granted Jun 29, 1976·17 cites·6 claims
- 0470US4126765ADetector circuit for sensing battery polarity and loop closureGTE AUTOMATIC ELECTRIC LAB INC·Filed 1977·Granted Nov 21, 1978·15 cites·9 claims
- 0567US4071709ALine conditioning and transfer circuitGTE AUTOMATIC ELECTRIC LAB INC·Filed 1976·Granted Jan 31, 1978·12 cites·7 claims
- 0665US4022981AConference circuit for pulse coded modulated telephonyGTE AUTOMATIC ELECTRIC LAB INC·Filed 1976·Granted May 10, 1977·11 cites·5 claims
- 0764US4190745ACall for service and continuity sensor circuitGTE AUTOMATIC ELECTRIC LAB INC·Filed 1978·Granted Feb 26, 1980·11 cites·10 claims
- 0859US4133982AAC supervisory signal detector circuitGTE AUTOMATIC ELECTRIC LAB INC·Filed 1977·Granted Jan 9, 1979·9 cites·4 claims
- 0949US3931474ATone injection circuitGTE AUTOMATIC ELECTRIC LAB INC·Filed 1974·Granted Jan 6, 1976·7 cites·6 claims
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