Lens unit and camera module

The integration of a conductive member with the lens barrel facilitates automated assembly, improving mass production efficiency and reducing assembly challenges in lens units with conductive paths.

JP7888328B2Active Publication Date: 2026-07-13TAMRON CO LTD
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Patent Information

Application Number
JP2022067864
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2022-04-15
Publication Date
2026-07-13
Estimated Expiration
2042-04-15

AI Technical Summary

Technical Problem

The assembly of lens units with conductive components, such as wiring or flexible circuit boards, in the axial direction of the lens barrel is difficult, leading to reduced productivity in mass production.

Method used

A lens unit design where the lens barrel is integrated with a conductive member having input and output terminals, allowing for automated assembly and reducing the need for routing wiring through through-holes, with the conductive member being an insert molded product.

Benefits of technology

Enhances mass production efficiency by simplifying assembly and reducing variations, while maintaining high precision and dimensional stability.

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Patent Text Reader

Abstract

To provide a technique for enhancing mass producibility in the technical field involving a lens unit comprising a conductive path extending along an axial direction of a lens barrel.SOLUTION: A lens unit (101) provided herein has a conductive member (3) that is in contact with a heater (4) inside a lens barrel (2) and exposed at a step (2b) in the lens barrel (2), and is also exposed at an end of the lens barrel (2) on the image plane side. The lens barrel (2) is an insert-molded product integrally formed with the conductive member (3).SELECTED DRAWING: Figure 1
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Citation Information

Patent Citations

  • Lens unit and camera module

    JP2021071659A

  • Camera module and vehicle

    US20190353987A1

  • Camera module with heating function and manufacturing method thereof

    US20220014658A1