Chemical apparatus and process disinfecting – deodorizing – preser – For deodorizing of – or chemical purification of – or... – Including means adding material into environmental gas
Patent
1986-11-20
1987-11-17
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
For deodorizing of, or chemical purification of, or...
Including means adding material into environmental gas
239 54, 361173, 362 96, 422 4, 422 5, 422105, A61L 917
Patent
active
047073381
ABSTRACT:
An aroma generator that is rendered operative only when a switch-controlled electric light bulb is in a predetermined state which is either "on" or "off," the generator then functioning to discharge an air current conveying an aromatic vapor which modifies the prevailing atmosphere. Included in the generator is a motor-driven fan that forces air through an air-permeable cartridge containing an aroma supply. The motor is connected to a battery through a signal-responsive electronic relay having time delay means such that when the relay is activated by a signal to turn on the fan, it is thereafter automatically deactivated after a predetermined time period. Applied to the relay is a binary signal derived from a light sensor adjacent the light bulb to intercept light rays therefrom, the signal being positive when the bulb is switched "on" and negative when it is switched "off." In one embodiment, the relay responds only to a positive signal, in which event the aroma generator is rendered operative for a predetermined period when the bulb is switched "on." In another embodiment, the relay responds only to a negative signal, in which event the aroma generator is rendered operative for a predetermined period when the bulb is switched"off."
REFERENCES:
patent: 1957509 (1934-05-01), Vallen
patent: 2614820 (1952-10-01), Baydjieff
patent: 2986689 (1961-05-01), Hofer
patent: 3609450 (1971-09-01), Hart
patent: 4242831 (1981-01-01), O'Shaughnessy
patent: 4301095 (1981-11-01), Mettler et al.
Ebert Michael
Johnson William R.
Richman Barry S.
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