A vehicular static eliminating device includes: a negative ion generating device; and a guide device configured to guide negative ions and release the negative ions from an emission port to a static elimination target spot which is positively charged, the guide device including: a guide member defining a passage through which to guide the negative ions, the guide member being made of a resin which is easily negatively charged in a triboelectric series; and a tip-shaped part configured to discharge, by corona discharge, negative electric charges, which have accumulated on the guide member, to the static elimination target spot, the tip-shaped part being provided in a part defining the emission port and in proximity to the static elimination target spot.

A vehicular static eliminating device includes: a negative ion generating device; and a guide device configured to guide negative ions and release the negative ions from an emission port to a static elimination target spot which is positively charged, the guide device including: a guide member defining a passage through which to guide the negative ions, the guide member being made of a resin which is easily negatively charged in a triboelectric series; and a tip-shaped part configured to discharge, by corona discharge, negative electric charges, which have accumulated on the guide member, to the static elimination target spot, the tip-shaped part being provided in a part defining the emission port and in proximity to the static elimination target spot.

A screening apparatus for an optical fiber includes a delivery unit that delivers an optical fiber; a screening unit that applies tension to the delivered optical fiber to perform screening of the optical fiber; a winding unit that winds the optical fiber after screening; and a static electricity removing unit that removes static electricity of the optical fiber traveling on the predetermined passage, the static electricity removing unit being disposed along a predetermined passage of a passage of the optical fiber from an exit side of the screening unit to an entry side of the winding unit.

A screening apparatus for an optical fiber includes a delivery unit that delivers an optical fiber; a screening unit that applies tension to the delivered optical fiber to perform screening of the optical fiber; a winding unit that winds the optical fiber after screening; and a static electricity removing unit that removes static electricity of the optical fiber traveling on the predetermined passage, the static electricity removing unit being disposed along a predetermined passage of a passage of the optical fiber from an exit side of the screening unit to an entry side of the winding unit.

A system and method for reducing charge on a workpiece disposed on a platen is disclosed. The system includes an ionizer to generate ionized gas from the source of backside gas. The ionizer may be used to introduce ionized gas into the backside gas channels of the platen. A controller is used to selectively allow backside gas and/or ionized gas into the backside gas channels. In certain embodiments, the platen also includes an exhaust channel in communication with an exhaust valve to ensure that the pressure within the volume between the top surface of the platen and the workpiece is maintained in a desired range. In one embodiment, the system includes a valving system in communication with the source of backside gas and also in communication with the ionizer. In another embodiment, the amount of ionization performed by the ionizer is programmable.

A system and method for reducing charge on a workpiece disposed on a platen is disclosed. The system includes an ionizer to generate ionized gas from the source of backside gas. The ionizer may be used to introduce ionized gas into the backside gas channels of the platen. A controller is used to selectively allow backside gas and/or ionized gas into the backside gas channels. In certain embodiments, the platen also includes an exhaust channel in communication with an exhaust valve to ensure that the pressure within the volume between the top surface of the platen and the workpiece is maintained in a desired range. In one embodiment, the system includes a valving system in communication with the source of backside gas and also in communication with the ionizer. In another embodiment, the amount of ionization performed by the ionizer is programmable.

Provided are a static eliminator capable of performing quick static elimination while having a good ion balance, an electronic balance including the static eliminator, and a static eliminating method of the static eliminator. A static eliminator is provided which is configured to eliminate static from a static eliminating object by ions generated by applying high voltages to static eliminating needles, and has a high-speed static eliminating mode configured to eliminate static from a static eliminating object at a high speed, and a relaxation static eliminating mode to be executed by a voltage application method different from that of the high-speed static eliminating mode and configured to regulate ion balances of the static eliminating object and the area around of the static eliminating object. With this configuration, a static eliminator capable of quickly eliminating static from a specimen while having a good ion balance can be provided.

The purpose of the present invention is to provide a clean air device that can reduce the risk of contamination due to static electricity. Provided is a biosafety cabinet or a clean air device that connects a biosafety cabinet and a clean booth, wherein a static eliminator (ionizer) that generates a corona discharge by way of concentrating an electric field on a needle-shaped discharge electrode and eliminates static with ionized air is disposed directly above an air flow branching point where air supplied to a work space branches to the front face and to rear face inside the biosafety cabinet.

The purpose of the present invention is to provide a clean air device that can reduce the risk of contamination due to static electricity. Provided is a biosafety cabinet or a clean air device that connects a biosafety cabinet and a clean booth, wherein a static eliminator (ionizer) that generates a corona discharge by way of concentrating an electric field on a needle-shaped discharge electrode and eliminates static with ionized air is disposed directly above an air flow branching point where air supplied to a work space branches to the front face and to rear face inside the biosafety cabinet.

Device for protection against electric and/or magnetic fields, in particular electromagnetic fields, comprising a switch and a field coupled with the switch, wherein the switch has at least two protection elements, wherein a protection element comprises at least one film capacitor and at least one diode. The switch emits nature-like wave packets, generated by the diodes and capacitors by spontaneous discharges into the environment and the electric field of the power line, whereby the signals correspond to the electric discharges of AIS. A method for operating such a device is also provided.