Knud-erik Lauridsen

3 Patents

• US124367332025

  Ambient Sound Level Control

  Bang & Olufsen A/S

  0 cites
• US117065602023

  Adjustable Sidetone and Active Noise Cancellation in Headphones and Similar Devices

  Bang & Olufsen A/S

  0 cites
• US116274022023

  Headphone with Magnetic Attachment Means for a Corresponding Ear Cushion

  Bang & Olufsen A/S

  0 cites