최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0953762 (2018-04-16) |
등록번호 | US-10222514 (2019-03-05) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 341 |
An autofocus lens system includes no conventional moving parts and has excellent speed and low power consumption. The system includes a small electronically-controlled focusing-module lens. The focusing-module lens includes two adjustable polymeric surfaces (e.g., two adjustable-surface lenses in a
An autofocus lens system includes no conventional moving parts and has excellent speed and low power consumption. The system includes a small electronically-controlled focusing-module lens. The focusing-module lens includes two adjustable polymeric surfaces (e.g., two adjustable-surface lenses in a back-to-back configuration). The curvature of the surfaces can be adjusted to change focus. The performance of the autofocus lens system is extended by adding a conventional first and second lens, or lens group, on either side of the focusing-module lens. What results is an autofocus lens system with excellent near field and far field performance.
1. A method of manufacturing an adjustable-surface lens of an autofocus lens system, the method comprising: providing a first transparent deformable membrane having a ring-shaped piezoelectric film contiguously positioned on the first transparent deformable membrane's outer surface;providing a secon
1. A method of manufacturing an adjustable-surface lens of an autofocus lens system, the method comprising: providing a first transparent deformable membrane having a ring-shaped piezoelectric film contiguously positioned on the first transparent deformable membrane's outer surface;providing a second transparent deformable membrane having a ring-shaped piezoelectric film contiguously positioned on the second transparent deformable membrane's outer surface; andcontiguously positioning a flexible polymer between the first transparent deformable membrane and the second transparent deformable membrane, wherein the flexible polymer is attached to the respective inner surfaces of the first transparent deformable membrane and the second transparent deformable membrane. 2. The method of claim 1, wherein the first transparent deformable membrane and the second transparent deformable membrane transparent each comprises glass, quartz, or sapphire. 3. The method of claim 1, comprising providing a first positive lens fixedly positioned along an optical axis. 4. The method of claim 3, wherein the first lens is a lens group comprising a plurality of lenses. 5. The method of claim 3, comprising providing a second positive lens fixedly positioned along the optical axis. 6. The method of claim 5, wherein the second lens is a lens group comprising a plurality of lenses. 7. The method of claim 1, comprising: providing a first positive lens fixedly positioned along an optical axis;providing a second positive lens fixedly positioned along the optical axis; andpositioning the adjustable-surface lens between the first positive lens and the second positive lens along the optical axis. 8. The method of claim 1, comprising providing electrical connection on the ring-shaped piezoelectric films. 9. A method of manufacturing an adjustable-surface lens of an autofocus lens system, the method comprising: attaching contiguously a ring shaped piezoelectric film to a transparent deformable membrane on the transparent deformable membrane's outer surface;attaching contiguously a flexible transparent polymeric material to an inner surface of the transparent deformable membrane; andproviding a rigid support contiguous to the flexible transparent polymeric material and opposite to the transparent deformable membrane. 10. The method of claim 9, wherein the transparent deformable membrane comprises glass, quartz, or sapphire. 11. The method of claim 9, comprising providing a first positive lens fixedly positioned along an optical axis. 12. The method of claim 11, wherein the first lens is a lens group comprising a plurality of lenses. 13. The method of claim 11, comprising providing a second positive lens fixedly positioned along the optical axis. 14. The method of claim 13, wherein the second lens is a lens group comprising a plurality of lenses. 15. The method of claim 9, comprising providing electrical connection on the ring-shaped piezoelectric film. 16. A focusing-module lens, comprising: two adjustable surfaces, wherein the optical power of the adjustable surfaces is controlled electronically to achieve focus;a first transparent deformable membrane having a ring-shaped piezoelectric film contiguously positioned on the first transparent deformable membrane's outer surface;a second transparent deformable membrane having a ring-shaped piezoelectric film contiguously positioned on the second transparent deformable membrane's outer surface; anda flexible polymer contiguously positioned between the first transparent deformable membrane and the second transparent deformable membrane, whereby the flexible polymer is in contact with an inner surface of the first transparent deformable membrane and an inner surface of the second transparent deformable membrane. 17. The focusing-module lens of claim 16, wherein the focusing-module lens has a clear aperture with a diameter of between 1.3 millimeters and 1.7 millimeters. 18. The focusing-module lens of claim 16, wherein the first transparent deformable membrane and the second transparent deformable membrane transparent each comprise glass, quartz, or sapphire. 19. The focusing-module lens of claim 16, wherein the focusing-module lens has a focusing response time of 2 milliseconds or less. 20. The focusing-module lens of claim 16, wherein the focusing-module lens consumes 20 milliwatts or less.
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