Wireless headphone apparatus and wireless headphone system

Details Wireless headphone apparatus and wireless headphone system Wireless headphone apparatus and wireless headphone system

2007-04-24

2007-04-24

Le, Lana (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Near field

C455S345000, C455S151200, C250S338100

Reexamination Certificate

active

10764851

ABSTRACT:
Herein disclosed is a wireless headphone apparatus, comprising: a plurality of light signal receiving units each for receiving a light signal to produce an electric signal having a signal level; a plurality of light signal limiting units respectively connected with the plurality of light signal receiving units in one to one relationship, each of the light signal limiting units operative to allow only an electric signal having a signal level lower than a predetermined threshold value to pass therethrough and delete an electric signal having a signal level equal to or greater than the predetermined threshold value; a signal synthesizing unit for synthesizing the electric signals passed through the light signal limiting units to produce a synthesized electric signal; and speaker means for outputting a sound in response to the synthesized electric signal.

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