US 9,755,747 B2Granted

Optical signal processing apparatus and decoding method for optical signal reception control device

AssigneeKuang-Chi Intelligent Photonic Technology Ltd.

InventorsRuopeng Liu, Lin Luan, Chunlai Li, Min Liu

Life of this patent

Estimating the term…

Loading patent…

Abstract

The present invention provides an optical signal processing device and a decoding method for an optical signal reception control device. The optical signal processing device includes one of the following: a power control apparatus, where the power control apparatus is configured to control power-on and power-off of a power supply according to an optical signal, or, a clock apparatus, where the clock apparatus is configured to store time of opening and closing a door; or, a charging apparatus, where the charging apparatus is configured to charge an optical signal transmitting apparatus. The present invention can control power-on and power-off of a power supply automatically and save electric energy effectively.

Claims18

Dependent claims

A optical signal processing device, wherein the optical signal processing device is an optical signal reception control device, and the optical signal reception control device comprises an optical signal receiving unit, a control unit connected to the optical signal receiving unit, a power supply unit connected to the control unit, and a photoelectric trigger circuit that is connected between the control unit and the power supply unit and configured to trigger power-on of the power supply unit of the optical signal reception control device, wherein the photoelectric trigger circuit is the power control apparatus, and the power supply is the power supply unit, and the photoelectric trigger circuit comprises:

an optical-to-electrical conversion unit, configured to convert a light pulse into an electrical pulse signal;
an isolator, configured to generate a potential difference by using the electrical pulse signal, and release an electrical signal;
an output end, configured to:
according to the electrical signal, trigger power-on of a power supply unit connected to the output end;
and
a signal amplification circuit, connects the isolator and the output end, the signal amplification circuit comprises a first triode and a second triode connected to the first triode, wherein
the optical signal is the light pulse;
wherein the optical-to-electrical conversion unit is connected to one end of the isolator, and the other end of the isolator is connected to a base of the first triode, an emitter of the first triode is connected to a base of the second triode, both the emitter of the first triode and an emitter of the second triode are grounded, and a collector of the second triode is connected to the output end.

5 more elements

A optical signal processing device, wherein the optical signal processing device is an intelligent light-controlled door lock, wherein the intelligent light-controlled door lock comprises the power supply, a power control module, an optical signal receiving module, and a microprocessor module;

the power supply is configured to provide electric energy;
the power control module is the power control apparatus, and the power control module comprises a photodiode, a signal amplifier, and a field effect transistor;
the photodiode is configured to sense the optical signal and generate a current signal, the signal amplifier is configured to amplify the current signal, and the field effect transistor is configured to control power-on and power-off of the power supply according to the amplified current signal;
the optical signal receiving module is configured to convert an optical signal, which is transmitted by a light-controlled key and comprises ID information, into an electric signal;
and the microprocessor module is configured to control opening or closing of a door lock according to the electric signal;
wherein the intelligent light-controlled door lock further comprises an equilibrium shaping module, and the equilibrium shaping module is configured to eliminate intersymbol interference and rectify a pulse waveform for the signal output by the optical signal receiving module.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 14/621,402Filed 13 Feb 2015 · continuation
Priority: CN 2012 1 028668213 Aug 2012
Published: US 2015/0162984 A111 Jun 2015
Granted: 5 Sep 2017
Term ends: Not estimatedThe source records don’t support an estimate.

Classification4 codes

H04B 10/2575
Arrangements specific to fibre transmission: radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
G08C 23/04
Non-electrical signal transmission systems, e.g. optical systems: using light waves, e.g. infrared
H04B
Transmission
G08C
Transmission systems for measured values, control or similar signals