A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A wireless blue-tooth earphone chargeable by a charging case, includes an earphone shell, an earplug assembled to a bottom of the earphone shell, a speaker unit, a circuit board assembly and a contact assembly. The earphone shell has an accommodating space penetrating through a lower portion of the earphone shell. One end of a peripheral surface of the earphone shell is recessed inward to form a recess. The speaker unit is accommodated in a front end of the accommodating space. The circuit board assembly is accommodated in a rear end of the accommodating space and is connected with the speaker unit. The circuit board assembly is equipped with a plurality of elastic elements. The contact assembly fastened in the recess, has a plurality of conducting elements. The plurality of the elastic elements are electrically connected with the plurality of the conducting elements.
A wireless blue-tooth earphone chargeable by a charging case, includes an earphone shell, an earplug assembled to a bottom of the earphone shell, a speaker unit, a circuit board assembly and a contact assembly. The earphone shell has an accommodating space penetrating through a lower portion of the earphone shell. One end of a peripheral surface of the earphone shell is recessed inward to form a recess. The speaker unit is accommodated in a front end of the accommodating space. The circuit board assembly is accommodated in a rear end of the accommodating space and is connected with the speaker unit. The circuit board assembly is equipped with a plurality of elastic elements. The contact assembly fastened in the recess, has a plurality of conducting elements. The plurality of the elastic elements are electrically connected with the plurality of the conducting elements.
Wireless blue-tooth earphone
CHIH TZU CHUN (author)
2021-10-12
Patent
Electronic Resource
English
IPC:
H04R
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS
,
Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler
/
E05D
Scharniere oder andere Aufhängevorrichtungen für Türen, Fenster oder Flügel
,
HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS, OR WINGS
/
H02J
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER
,
Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung
Bistable hinge for earphone charging box and earphone charging box
| European Patent Office | 2021