Electric lamp and discharge devices: systems – Condenser in the supply circuit – Inductance in the condenser circuit
Patent
1995-01-12
1998-05-12
Pascal, Robert
Electric lamp and discharge devices: systems
Condenser in the supply circuit
Inductance in the condenser circuit
315105, 315283, 362249, 362250, 362270, 362260, 362285, 439226, 439235, H05B 4100
Patent
active
057511179
ABSTRACT:
A modular ballast system particularly suited for strip lighting installations has ballast modules on opposite ends of each fluorescent lamp tube, each module having lamp connectors for receiving the end pins of the fluorescent lamp, capacitance and inductance elements connected to the lamp connectors in each module, and jumper conductors interconnecting the capacitance and inductance elements of the modules to define a bridge type ballast circuit for powering the fluorescent lamp. Each ballast module can be made small and lightweight with a single inductor and capacitor forming two legs of a four leg bridge type ballast. Pairs of ballast modules can be connected back-to-back to transmit electrical power without external wiring to successive fluorescent lamps along the strip.
REFERENCES:
patent: 2333499 (1943-11-01), Warren
patent: 2721296 (1955-10-01), Asano et al.
patent: 3307072 (1967-02-01), Kurt et al.
patent: 4092562 (1978-05-01), Campbell
patent: 4748548 (1988-05-01), Barton
patent: 5253152 (1993-10-01), Yang et al.
patent: 5368495 (1994-11-01), Raby, Sr. et al.
patent: 5389857 (1995-02-01), Abbott et al.
Bruce Industries, Inc.
Kinkead Arnold
Pascal Robert
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