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  2. RS Recommends: Get This 4K Laser Projector for $1,000 Off ...

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  3. 6 Electronics Retirees Should Buy From Costco on Black Friday

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    Sonos Beam Soundbar: The sale price for this second-generation soundbar is $369.99 ($130 off) — it includes a coupon for 30% off a Sonos accessory, $40 Apple credit or four month Pandora premium ...

  4. Costco Will Give You Free Groceries in Exchange for Old ...

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    Costco’s Trade-Up program, operated in partnership with Phobio, allows customers to exchange a range of old electronic devices such as smartphones, tablets, laptops, and gaming consoles. The ...

  5. Laser projector - Wikipedia

    en.wikipedia.org/wiki/Laser_projector

    Industrial laser projectors have been on the market since the early 2000s. Laser projectors are mainly used as optical guidance systems. They enable working without templates in many manufacturing processes by showing directly on the workpiece how material needs to be positioned or mounted, so that the employee is led by manual or semiautomatic productional processes visually.

  6. Projector - Wikipedia

    en.wikipedia.org/wiki/Projector

    A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens , but some newer types of projectors can project the image directly, by using lasers .

  7. 4K resolution - Wikipedia

    en.wikipedia.org/wiki/4K_resolution

    Sony was offering 4K projectors as early as 2004. [81] The first 4K home theater projector was released by Sony in 2012. [82] Despite this, there's not many finished films with 4K resolution as of 2023. Even for movies and TV shows shot using 6K or 8K cameras, almost all finished films are edited in HD resolution and enlarged to fit a 4K format ...