Liquid holding ornament including an air pump and a projection l

Details Liquid holding ornament including an air pump and a projection l Liquid holding ornament including an air pump and a projection l

1998-01-29

1999-10-19

Tso, Laura K.

Illumination

With liquid container

362 96, 362806, F21V 3300

Patent

active

059676396

ABSTRACT:
A dynamic display ornament includes at least one transparent display device, each display device holding a liquid and having a top opening and a bottom air inlet,a box-like base which supports the at least one transparent display device, at least one projection lamp mounted inside the base and controlled to project light vertically through the bottom side of each of the at least one transparent display device, and air pump means mounted inside the base and controlled to pump air into the air inlet at the bottom side of each of the at least one display device, causing bubbles to be produced in the liquid in each display device.

REFERENCES:
patent: 4072855 (1978-02-01), Marchese
patent: 4170035 (1979-10-01), Walker
patent: 4609974 (1986-09-01), Mori
patent: 4858083 (1989-08-01), Wakimoto
patent: 4967321 (1990-10-01), Cimock
patent: 5211469 (1993-05-01), Matthias et al.
patent: 5803580 (1998-09-01), Tseng

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