Inventor

SHACKLE PETER W

55 patents

⚠️ This page may combine multiple inventors who share the name “SHACKLE PETER W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHACKLE PETER W

ENERGY SAVINGS INC

Microprocessor controlled electronic ballast

Externally dimmable electronic ballast

Electronic ballast deriving auxilliary power from lamp output

Electronic ballast with filament cut-out

Electronic ballast that monitors direct current through lamp filaments

Low height ballast for fluorescent lamps

Capacitive lamp out detector

Booster driven inverter ballast employing the output from the inverter to trigger the booster

Self-dimming electronic ballast

Electronic ballast with selective load control

Electronic ballast producing voltage having trapezoidal envelope for instant start lamps

Electronic ballast with cross-coupled outputs

Fast starting, surge limited, electronic ballast

Electric Ballast with selective power dissipation

BELL TELEPHONE LABOR INC

Dielectrically isolated high voltage semiconductor devices

Solid-state protector circuitry using gated diode switch

Integral turn-on high voltage switch

Solid-state protector circuitry using gated diode switch

Control circuitry using a pull-down transistor for high voltage field terminated diode solid-state switches

Dielectrically-isolated integrated circuit complementary transistors for high voltage use

Control circuitry for high voltage solid-state switches

High voltage semiconductor devices

High voltage monolithic transistor circuit

Control circuitry using a pull-down transistor for high voltage solid-state switches

Integrated circuit switching network using low substrate leakage current thyristor construction

MOTOROLA LIGHTING INC

Electronic ballast with two transistors and two transformers

Circuit for powering a gas discharge lamp

Ballast circuit for driving gas discharge

Protection circuit for electronic ballasts which use charge pump power factor correction

High-power factor circuit for energizing gas discharge lamps

Ballast circuit equipped with ground fault detector

Toggle brightening circuit for powering gas discharge lamps and method for operating gas discharge lamps

AT & T BELL LAB

High voltage dielectrically isolated solid-state switch

High voltage solid-state switch

High voltage dielectrically isolated remote gate solid-state switch

Control circuitry for high voltage solid-state switches

High voltage junction solid-state switch

SHACKLE PETER W

Phase controlled dimming LED driver system and method thereof

AC-powered LED light engine

Phase controlled dimming LED driver system and method thereof

Electronic ballasts with high-frequency-current blocking component or positive current feedback

HARRIS CORP

Integrated circuit switch using stacked SCRs

Integrated circuit switch using stacked SCRs

PHILIPS CORP

Integrated circuit device particularly adapted for high voltage applications

UNIVERSAL LIGHTING TECH INC

LED drive for generating constant light output

(unassigned)

Fluorescent lamp ballast with integrated circuit

ENERGY SAVINGS INC A DELAWARE

Lamp protective, electronic ballast

FULHAM COMPANY LTD

Ballasts for fluorescent lamps

ROBERTSON WORLDWIDE INC

Low pressure gas discharge lamp ballast with on-off indicator

AMERICAN TELEPHONE & TELEGRAPH

Control circuitry using two branch circuits for high voltage solid-state switches