Tobacco – Tobacco users' appliance – Device used for smoking
Patent
1997-10-16
1999-10-19
Derrington, James
Tobacco
Tobacco users' appliance
Device used for smoking
131905, 131906, 131329, A24F 100, A24F 1300
Patent
active
059671483
ABSTRACT:
A cigarette identifier system comprising an infrared emitter and an infrared detector located across an opening of a cigarette receiver, wherein the sensor registers changes in the transmission of the infrared beam across the opening so as to detect the differences in transmissivity of dense and less dense and portions of an inserted cigarette.
REFERENCES:
patent: 4805641 (1989-02-01), Radzio et al.
patent: 4907607 (1990-03-01), Focke et al.
patent: 5010904 (1991-04-01), Lassiter
patent: 5499636 (1996-03-01), Baggett, Jr. et al.
patent: 5692291 (1997-12-01), Deevi et al.
Harris Charles W.
Nunnally H. Neal
Ripley Robert L.
Sano Masato
Smith Barry S.
Cronin Kevin
Derrington James
Glenn Charles E. B.
Moore James T.
Osborne Kevin B.
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