Title:
プロジェクタおよびアダプタ
Document Type and Number:
Japanese Patent JP7429860
Kind Code:
B2
Abstract:
A projector of the present disclosure includes an image former, a mounter, a second projection lens unit, an adapter, and a back focal length-adjusting spacer. The image former forms and emits image light. The mounter detachably connects to a first projection lens unit including a first projection lens which the image light emitted from the image former enters. The second projection lens unit includes a second projection lens having a back focal length to an emission surface of the image former that is different from a back focal length of the first projection lens. The adapter is detachably connectable to the mounter and detachably retaining the second projection lens unit. The back focal length-adjusting spacer is disposed on the adapter and interposed between the second projection lens and the emission surface of the image former when the second projection lens unit is connected to the mounter via the adapter.
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Inventors:
Norikazu Yamamoto
Application Number:
JP2019208972A
Publication Date:
February 09, 2024
Filing Date:
November 19, 2019
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
G03B21/14; G02B7/02; G03B21/00; H04N5/74
Domestic Patent References:
JP2011158657A | ||||
JP10333024A | ||||
JP3050892U | ||||
JP3130127U | ||||
JP2011158658A | ||||
JP2005070711A |
Foreign References:
WO2017094690A1 | ||||
CN102572241A |
Attorney, Agent or Firm:
Michiko Matsutani
Hiroshi Okabe
Hiroshi Okabe