The present technology relates to a display device and a speaker device capable of outputting sound from the display surface of a non-self-luminous display panel.

Provided is a display device including: a display panel unit that includes a non-self-luminous display cell; a light source unit that irradiates the display panel unit with light from a back surface; and an excitation unit that vibrates a constituent member constituting the display panel unit and outputs sound from a display surface of the display cell. The excitation unit provides excitation to an excitation member having a predetermined shape and a predetermined color to vibrate the constituent member that is fixed to the excitation member by a predetermined fixing method. The present technology can be applied to, for example, a liquid crystal display device.

A mixed, virtual and augmented reality headset having a front casing (2) with a housing receiving a smartphone (19) facing the holographic display (5); a curved holographic display (5) in the front portion of the headset reflecting a projected image (11) via the display of a smartphone (19) and simultaneously allowing the user to see through same; a motorised mirror (14) positioned in a withdrawn position or in an extended position in front of the holographic display (5) reflecting the projected image (11) via the smartphone (19); two motorised lenses (15) positioned in a withdrawn position or in an extended position in front of the pupils (13) of the user; a mirror system (16) reflecting a real external image (10) with respect to the headset (1) towards a camera of the smartphone (19); and a control unit (50) controlling the position of the motorised lenses (15) and mirror (14).

A speaker module includes a casing and a speaker unit. The casing has a sound outlet. The speaker unit is arranged in the casing, the speaker unit and the sound outlet are arranged along a transverse axis, and the speaker unit includes a bearing base, a first speaker assembly, and a second speaker assembly. The first and second speaker assemblies are disposed on the bearing base. The first speaker assembly and the second speaker assembly are symmetrical relative to the bearing base. A first sound cavity is formed between the casing and the first speaker assembly, a second sound cavity is formed between the casing and the second speaker assembly, the first sound cavity and the second sound cavity are communicated with the sound outlet, and the first sound cavity and the second sound cavity have the same size and are symmetrical relative to the bearing base.

A display apparatus includes: a display panel configured to display an image, at least one supporting member on a rear surface of the display panel, the at least one supporting member defining a groove, at least one sound generation device adjacent to the display panel, and a wiring, accommodated into the groove, configured to transfer a signal to the at least one sound generation device.

A bicycle system with omnidirectional viewing having front-facing, stereoscopic video camera devices relying on computer vision. The front-facing, stereoscopic video camera devices positioned on the bicycle help identify, classify, and recommend a safe trajectory around obstacles in real-time using augmented reality. The bicycle system details safety-related and guidance-related information.

An adjustable head-mounted display comprises a head-mounted portion (1), a display portion (2) and a sound outputting portion (3). The display portion (2) comprises two legs (21) and a display (22), one end of each leg (21) is connected to corresponding end of the display (22), and the other end of each leg (21) is rotatably connected to an end of the head-mounted portion (1) on corresponding side. The sound outputting portion (3) comprises a left headphone and a right headphone, wherein the left headphone and the right headphone each comprises an ear cup (32), an ear cup bracket and a sound generator in the ear cup. The ear cup bracket is connected to an end of the head-mounted portion (1) on corresponding side, and the ear cup is connected to the ear cup bracket; and the head-mounted portion (1) is provided with a head-mounted portion length adjustment mechanism. By the present disclosure, the user can adjust the length upon his demand, and the universality will be improved.

A method and corresponding system for correcting for deviations in a performance that includes a plurality of audio sources, the method comprising detecting a parameter relating to an audio source, determining if the parameter deviates from a predetermined characteristic and in response to it being determined that the parameter deviates from the predetermined characteristic, causing display of a user interface configured to control the parameter, to allow a user to correct the deviation.

A speaker module is provided. The speaker module includes a housing, a speaker unit, and a modulating unit. The housing has a main segment and an extension segment connecting to the main segment and extending away from the main segment, the main segment and the extension segment communicate with each other and form a chamber. The speaker unit is disposed in the housing in a position that is relative to the main segment. The modulating unit is arranged to correspond to the extension segment and is positioned in the housing. The shape of a cross section of the modulating unit is compatible with the shape of a cross section of the extension segment, and a length between the speaker unit and the modulating unit along the chamber is greater than 0.

The application describes MEMS transducer structures comprising a membrane structure having a flexible membrane layer and at least one electrode layer. The electrode layer is spaced from the flexible membrane layer such that at least one air volume extends between the material of the electrode layer and the membrane layer. The electrode layer is supported relative to the flexible membrane by means of a support structure which extends between the first electrode layer and the flexible membrane layer.

An audio apparatus includes a housing, a piezoelectric vibration unit provided to the housing and having a piezoelectric element, and a communication unit for receiving an audio signal. When a received audio signal is applied to the piezoelectric element while a load of the audio apparatus is applied to the piezoelectric vibration unit, the piezoelectric element is deformed causing deformation of the piezoelectric vibration unit, whereby a contact surface in contact with the audio apparatus vibrates and generate a sound.