This electrostatic power circuit purpose is to build-up a large amount of powerful electrostatic energy. It has a high direct-current voltage generator acting as an electrostatic energy provider in the form of electric charges, next is an electrostatic generator and its electric motor acting as an electrostatic energy amplifier, and last is an electrostatic motor acting as an electrostatic energy convertor, converting electrostatic energy to mechanical energy. The electrostatic power circuit is a major part of a practical electrostatic power system.

This electrostatic power circuit purpose is to build-up a large amount of powerful electrostatic energy. It has a high direct-current voltage generator acting as an electrostatic energy provider in the form of electric charges, next is an electrostatic generator and its electric motor acting as an electrostatic energy amplifier, and last is an electrostatic motor acting as an electrostatic energy convertor, converting electrostatic energy to mechanical energy. The electrostatic power circuit is a major part of a practical electrostatic power system.

Provided is an electrostatic energy harvester Including a lower electrode; a ferroelectric material layer which is disposed on the lower electrode and formed of a poled ferroelectric material; a friction-charged body which is adapted to be repeatedly contacted with and separated from the ferroelectric material layer and has an electric susceptibility different from an electric susceptibility of the ferroelectric material layer; and an upper electrode provided on the friction-charged body.

Provided is an electrostatic energy harvester Including a lower electrode; a ferroelectric material layer which is disposed on the lower electrode and formed of a poled ferroelectric material; a friction-charged body which is adapted to be repeatedly contacted with and separated from the ferroelectric material layer and has an electric susceptibility different from an electric susceptibility of the ferroelectric material layer; and an upper electrode provided on the friction-charged body.

An electrostatic energy collector and an electrostatic energy collecting method. The electrostatic energy collector comprises: a vibrating table (101), the vibrating table being fixedly connected to a first end of a first cross beam (102) and a first end of a second cross beam (103), the first cross beam being parallel to the second cross beam, a vertical projection of the first cross beam being overlapped with that of the second cross beam, both of the first cross beam and the second cross beam being conductors, a first mass block (104) being fixedly arranged on the first cross beam, an electret layer (106) being coated at the side, close to the first cross beam, of the second cross beam, a second mass block (105) being fixed at the sided, facing away from the first cross beam, of the second cross beam, a first lead (107) being connected to the first cross beam and a first end of a load (109), and a second lead (108) being connected to the cross beam and a second end of the load. The electrostatic energy collector and the electrostatic energy collecting method can improve energy connection efficiency.

Provided is an electrostatic energy harvester Including a lower electrode; a ferroelectric material layer which is disposed on the lower electrode and formed of a poled ferroelectric material; a friction-charged body which is adapted to be repeatedly contacted with and separated from the ferroelectric material layer and has an electric susceptibility different from an electric susceptibility of the ferroelectric material layer; and an upper electrode provided on the friction-charged body.

Provided is an electrostatic energy harvester Including a lower electrode; a ferroelectric material layer which is disposed on the lower electrode and formed of a poled ferroelectric material; a friction-charged body which is adapted to be repeatedly contacted with and separated from the ferroelectric material layer and has an electric susceptibility different from an electric susceptibility of the ferroelectric material layer; and an upper electrode provided on the friction-charged body.

Provided is an electrostatic energy harvester Including a lower electrode; a ferroelectric material layer which is disposed on the lower electrode and formed of a poled ferroelectric material; a friction-charged body which is adapted to be repeatedly contacted with and separated from the ferroelectric material layer and has an electric susceptibility different from an electric susceptibility of the ferroelectric material layer; and an upper electrode provided on the friction-charged body.

Provided is an electrostatic energy harvester Including a lower electrode; a ferroelectric material layer which is disposed on the lower electrode and formed of a poled ferroelectric material; a friction-charged body which is adapted to be repeatedly contacted with and separated from the ferroelectric material layer and has an electric susceptibility different from an electric susceptibility of the ferroelectric material layer; and an upper electrode provided on the friction-charged body.

An image reading device includes a first unit to read one surface of a document in a first area facing a document path, a second unit disposed in the first area to read the other surface of the document, a first reference member facing the first unit at a first distance therefrom at a second position in a second area not facing the path, a second reference member facing the first unit at a second distance therefrom at a first position in the first area, a third reference member facing the second unit at the second distance therefrom, and a correction unit to correct, based on a difference between first data generated through reading of the first member by the first unit and second data generated through reading of the second member by the first unit, third data generated through reading of the third member by the second unit.