Jet generating device and electronic apparatus
AssigneeSony Corporation
InventorNorikazu Nakayama
Life of this patent
Estimating the term…
Abstract
A jet generating device includes a housing having an opening and containing gas therein, a vibrating member which is supported by the housing so that the vibrating member is capable of vibrating and which vibrates the gas to discharge the gas as pulsating gas through the opening, a driving mechanism for driving the vibrating member in accordance with an electrical signal, and a drive controller which generates the electrical signal at a fundamental frequency at which an input impedance of the driving mechanism is substantially a maximum and which outputs the generated electrical signal to the driving mechanism.
Claims7
A jet generating device comprising:
- a housing having a plurality of openings that each provide for the inlet and outlet of gas into the housing, the housing containing the gas therein;
- a vibrating member supported by the housing so that the vibrating member vibrates to alternately discharge the gas as pulsating gas through the plurality of openings and generate sound waves having opposite phases at the plurality of openings;
- a driving mechanism which drives the vibrating member in accordance with an electrical signal;
- and
- a drive controller which generates the electrical signal at a fundamental frequency at which an input impedance of the driving mechanism is substantially a maximum and which outputs the generated electrical signal to the driving mechanism,
- wherein,
- the plurality of openings are adjacent to each other such that the pulsating gas alternately discharges through the plurality of openings along paths parallel to each other thereby causing sound waves generated at the plurality of openings and having opposite phases to weaken each other.
An electronic apparatus comprising:
- a heating element;
- a housing containing gas therein, the housing having a first opening and a second opening that each provide for the inlet and outlet of the gas into the housing
- a vibrating member supported by the housing so that the vibrating member vibrates to alternately discharge the gas as pulsating gas towards the heating element through the first opening and the second opening and generate sound waves having opposite phases at the first opening and the second opening;
- a driving mechanism which drives the vibrating member in accordance with an electrical signal;
- and
- a drive controller which generates the electrical signal at a frequency range including a fundamental frequency at which an input impedance of the driving mechanism is substantially a maximum and which outputs the generated electrical signal to the driving mechanism,
- wherein,
- the plurality of openings are adjacent to each other such that the pulsating gas alternately discharges through the plurality of openings along paths parallel to each other thereby causing sound waves generated at the plurality of openings and having opposite phases to weaken each other.
Dependencies are inferred from the claim text.