Earphone jack signal line
First Claim
Patent Images
1. An earphone jack signal line comprising a conductive wire which has a first connector on one end and a second connector on other end, and at least an earphone circuit and a mike circuit, and a call detection unit, wherein:
- the first connector is connected to an earphone jack of a mobile phone to get output sound of the mobile phone;
the second connector is connected to a handsfree;
the call detection unit includes a wave detection circuit to detect electromagnetic signals while the mobile phone is in use for conversation to determinate conversation conditions of the mobile phone and activate operation of the handsfree;
the earphone circuit is to transmit a caller'"'"'s sound; and
the mike circuit is to transmit user'"'"'s sound.
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Abstract
An earphone jack signal line includes a conductive wire which has a first connector on one end and a second connector on other end. The first connector is inserted into an earphone jack of a mobile phone. The second connector is connected to a handsfree. The signal line includes at least an earphone circuit and a mike circuit, and a call detection unit to activate operation of the handsfree. The earphone jack signal line thus formed can improve compatibility and reduce production cost.
6 Citations
6 Claims
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1. An earphone jack signal line comprising a conductive wire which has a first connector on one end and a second connector on other end, and at least an earphone circuit and a mike circuit, and a call detection unit, wherein:
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the first connector is connected to an earphone jack of a mobile phone to get output sound of the mobile phone;
the second connector is connected to a handsfree;
the call detection unit includes a wave detection circuit to detect electromagnetic signals while the mobile phone is in use for conversation to determinate conversation conditions of the mobile phone and activate operation of the handsfree;
the earphone circuit is to transmit a caller'"'"'s sound; and
the mike circuit is to transmit user'"'"'s sound. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification