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US 2017/0317516 A1Published application
Circuit to provide energy pulses
AssigneeMantisvision Ltd.
InventorEldad STERN
Life of this patent
Estimating the term…
Abstract
A circuit includes an energy storage device configured to provide pulses of energy to a load, a charger circuit coupled to the energy storage device to receive electrical energy from a peak energy constrained supply, a controller coupled to the charger circuit to control the charger circuit to charge the energy storage device as a function of time between pulses to reduce peak energy provided by the peak energy constrained supply.
Claims24
A circuit comprising:
- an energy storage device configured to provide pulses of energy to a load;
- a charger circuit coupled to the energy storage device to receive electrical energy from a peak energy constrained supply;
- a controller coupled to the charger circuit to control the charger circuit to charge the energy storage device as a function of time between pulses to reduce peak energy provided by the peak energy constrained supply.
A circuit comprising:
- a projector;
- a super capacitor to provide pulses of energy to the projector;
- a capacitor charger circuit coupled to the super capacitor and to receive electrical energy from a supply;
- a controller coupled to the capacitor charger to control the capacitor charger to charge the super capacitor as a function of time between pulses and supply characteristics.
1 more element
A method comprising:
- determining a time between pulses of energy;
- and
- charging an energy storage device via a charging circuit and power supply during the time between pulses of energy as a function of the time between pulses of energy such that charging the energy storage device is performed in a substantially linear manner with sufficient charge to provide a next pulse of energy to a load.
A circuit comprising:
- a power supply having a switching frequency that is varied over time;
- and
- a laser driver coupled to the power supply to receive power from the power supply and provide current pulses to a laser, wherein timing between the current pulses is varied to spread electromagnetic interference noise over a range of frequencies.
Dependencies are inferred from the claim text.