WO2025217823 - PIEZOELECTRIC ACTUATOR AND MOBILE PHONE
National phase entry is expected:
Publication Number
WO/2025/217823
Publication Date
23.10.2025
International Application No.
PCT/CN2024/088189
International Filing Date
17.04.2024
Title **
[English]
PIEZOELECTRIC ACTUATOR AND MOBILE PHONE
[French]
ACTIONNEUR PIÉZOÉLECTRIQUE ET TÉLÉPHONE MOBILE
Applicants **
HUAWEI TECHNOLOGIES CO., LTD.
Inventors
UNO, Masaru
KANO, Mitsuo
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
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| Number of Office Actions | * |
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International Searching Authority |
CNIPA
* |
| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
* |
| Type of Assignment |
The Standard Agent's Assignment
* |
| Applicant's Legal Status |
Legal Entity
* |
| * | |
| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
* |
| Patent Delivery |
Send the Letters Patent by Courier
* |
| Translation |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1502 | |
| EPO | Filing, Examination, Granting | 11629 | |
| Japan | Filing, Examination, Granting | 1954 | |
| South Korea | Filing, Examination, Granting | 1570 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
21,395
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Abstract[English]
A piezoelectric actuator includes a piezoelectric device, a shaft that includes an end portion joined to an end portion of the piezoelectric device, a slider unit that is slidably engaged with the shaft, a frame in which the piezoelectric device, the shaft, and the slider unit are disposed, and means for increasing joint strength between the piezoelectric device and the shaft.[French]
Un actionneur piézoélectrique comprend un dispositif piézoélectrique, un arbre qui comprend une partie d'extrémité reliée à une partie d'extrémité du dispositif piézoélectrique, une unité coulissante qui est en prise coulissante avec l'arbre, un cadre dans lequel le dispositif piézoélectrique, l'arbre et l'unité coulissante sont situés, et des moyens permettant d'augmenter la force d'articulation entre le dispositif piézoélectrique et l'arbre.