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US 5,790,684 AGranted
Transmitting/receiving apparatus for use in telecommunications
AssigneesMatsushita Electric Industrial Co., Ltd., Yokoi Plan Co., Ltd.
InventorsTatsunobu Niino, Masamichi Yokoi
Life of this patent
Estimating the term…
Abstract
A transmitting/receiving apparatus for use in telecommunications is provided which makes the user hand-free and is free from such inconveniences as difficulty in utterance and howling and crosstalk between an earphone and a microphone, and which includes: a first ear-insertion body serving as an earphone; and a second ear-insertion body provided separately from the first ear-insertion body and serving as a microphone of a bone-conduction type.
Claims3
A transmitting/receiving apparatus for use in telecommunications, comprising:
- a first ear-insertion body serving as an earphone for insertion into one ear of a user;
- and
- a second ear-insertion body provided separately from the first ear-insertion body for insertion into the other ear of the user;
- the second ear-insertion body comprising a body casing incorporating therein a capacitor microphone having a vibration electrode, an insertion cover adjoining with the body casing and having a configuration such that the outer periphery of the insertion cover contacts a user's external auditory meatus, and a vibration conduction member connected to a central portion of the vibration electrode at one end thereof and connected to the insertion cover at the other end thereof.
1 more element
Dependencies are inferred from the claim text.