Earphone jack handfree
First Claim
Patent Images
1. An earphone jack handsfree, comprising:
- an earphone jack signal line having a conductive wire which has a first connector on one end and a second connector on other end, and at least one earphone circuit and one mike circuit, the first connector being inserted into an earphone jack of a mobile phone, the second connector being connected to a handsfree host, output or input of sound signals in the earphone jack of the mobile phone being transmitted through the earphone circuit and the mike circuit;
the handsfree host including at least;
a microphone to receive sound signals of users;
a speaker to output sound signals of a caller or the mobile phone;
a control unit to control operations of elements in the handsfree host;
a connection port connecting to the second connector of the earphone jack signal line; and
a call detection unit including a wave detection circuit to detect electromagnetic signals while the mobile phone is in use for conversation to activate operation of the control unit.
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Accused Products
Abstract
An earphone jack handsfree includes an earphone jack signal line and a handsfree host. The earphone jack signal line has one end connecting to an earphone jack of a mobile phone and other end connecting to the handsfree host. The handsfree host includes at least a microphone, a speaker, a connection port, a control unit and a call detection unit. The handsfree thus formed can improve compatibility and reduce production and inventory costs.
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Citations
5 Claims
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1. An earphone jack handsfree, comprising:
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an earphone jack signal line having a conductive wire which has a first connector on one end and a second connector on other end, and at least one earphone circuit and one mike circuit, the first connector being inserted into an earphone jack of a mobile phone, the second connector being connected to a handsfree host, output or input of sound signals in the earphone jack of the mobile phone being transmitted through the earphone circuit and the mike circuit;
the handsfree host including at least;
a microphone to receive sound signals of users;
a speaker to output sound signals of a caller or the mobile phone;
a control unit to control operations of elements in the handsfree host;
a connection port connecting to the second connector of the earphone jack signal line; and
a call detection unit including a wave detection circuit to detect electromagnetic signals while the mobile phone is in use for conversation to activate operation of the control unit. - View Dependent Claims (2, 3, 4, 5)
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Specification