TWM500135U - Optical combination lock device - Google Patents

Description

Optical code lock device

The present invention relates to a lock, and in particular to a lock that is optically used as an opening means.

Today's general locks are mostly mechanical structures combined with corresponding keys, or remote controls made with specific frequencies, as a function of unlocking or locking, so they can be applied to the protection of today's security anti-theft mechanisms.

With the rapid development of science and technology, various locks with security protection mechanisms have been released, and the added anti-theft function has been greatly improved. However, the locks composed of the aforementioned mechanical components and the remote controllers made with specific frequencies still have easy copying and cracking. Therefore, there are doubts about the security of theft.

Therefore, today's general keys or remote controls are easily copied, making the safety of traditional locks a challenge, so establishing a new lock security mechanism is an inevitable trend.

The purpose of this creation is to solve the problem that the traditional key is easy to copy, and the traditional remote control can not accurately identify the wrong action due to the proximity or overlap of the frequency band, and it is easy to crack the password, resulting in low security, etc., improving the identification accuracy rate and strengthening the password is not easy to be cracked. Personal safety Sex.

The present invention provides an optical code lock device, comprising an optical signal transmitting system, comprising a microprocessor for processing a circuit of a transmitting system, an input module for inputting a password, and a modulation module for generating a modulation mode, The transmitting optical signal module is configured to transmit a light source signal and a memory module for storing a password input by the user, the microprocessor is electrically connected to the input module, and the microprocessor is electrically connected to the modulation module. a modulation connection, the modulation module generates modulation information for transmission to the transmitting optical signal module to transmit the modulated optical signal, and the memory module is electrically connected to the microprocessor; and an optical signal receiving system, The method includes a receiving optical signal module for receiving the light source signal, a decoding module for unlocking the compiled input password, and a comparison module for comparing whether the input password of the user matches the preset unlocking password, The input module is configured to set an unlocking password, a memory module is used to memorize the unlocking module, and an opening/closing device is used for opening/closing the door, and the receiving optical signal module is electrically connected to the decoding module, and the comparison module is Group and The decoding module is electrically connected to the input module is connected to the electrically alignment module, the memory module is connected to the comparison module electrically, and the switching means is connected to the comparison module electrically.

The modulation module can generate a modulated signal by the following modulation method, for example, (1) On-off Keying (OOK) is to use the difference in amplitude to represent the information to be transmitted, and the high frequency. The amplitude of the carrier varies with the size of the baseband signal. In the digital system, the fundamental frequency signal has only two values (1 or 0). Therefore, the amplitude of the carrier is also a packet of carrier signals formed by two levels (with and without). line. (2) Pulse-width modulation (PWM) is called pulse width modulation. It is a technique for converting an analog signal into a pulse wave. Generally, the period of the pulse wave is fixed, but the duty cycle of the pulse wave depends on The analog signal changes in size. (3) Pulse-position modulation (PPM) is a fixed value of pulse wave amplitude and width, but individual pulse The position of the wave is related to the amplitude of the signal amplitude at the sampling instant. (4) Orthogonal Frequency Division Multiplexing (OFDM), sometimes called discrete multitone modulation (DMT), can be regarded as a special case of multi-carrier transmission with high-speed data. The ability to transmit, coupled with the ability to effectively combat frequency selective attenuation, has gradually gained attention and adoption. (5) Carrierless Amplitude/Phase Modulation (CAP) modulates digital data onto a single carrier signal and transmits it using a pair of twisted-pair copper wires. When no digital data is available for modulation, When transmitting, the carrier signal is automatically turned off and not sent.

To further illustrate, the light emitting signal module of the present invention may be a light emitting diode, a high brightness blue light emitting diode, an infrared emitter or a laser emitter.

1‧‧‧Optical Signal Launch System

11‧‧‧Microprocessor

12‧‧‧ Input Module

121‧‧‧Modulation module

13‧‧‧ emit optical signal module

14‧‧‧Memory Module

2‧‧‧Optical signal receiving system

21‧‧‧ Receiving optical signal module

22‧‧‧Decoding module

23‧‧‧ Input Module

24‧‧‧Memory Module

25‧‧‧ Alignment module

26‧‧‧Switching device

31‧‧‧Set password

32‧‧‧ memory password

33‧‧‧Enter password

34‧‧‧ Code

35‧‧‧Transformation

36‧‧‧ emit optical signals

37‧‧‧Receiving optical signals

38‧‧‧Demodulation

39‧‧‧Decoding

310‧‧‧ comparison password

311‧‧‧Unlock

41‧‧‧Optical Signal Launch System

42‧‧‧Optical signal receiving system

Figure 1 is a block diagram of the optical signal transmission system of the present invention.

Figure 2 is a block diagram of the optical signal receiving system of the present invention.

Figure 3 is a flow chart of the implementation of this creation.

Figure 4 is a schematic diagram of the implementation of this creation.

Please refer to FIG. 1 , which is a system block diagram of the optical signal transmitting system 1 . A microprocessor 11 , an input module 12 , a modulation module 121 , an emission signal module 13 , and a memory module 14 . The microprocessor 11 is electrically connected to the input module 12 . The modulating module 13 is electrically connected to the modulating module 121. The modulating module 121 is electrically connected to the microprocessor 11. The memory module 14 is electrically connected to the microprocessor 11.

Please refer to FIG. 2, which is a system block diagram of the optical signal receiving system 2. The receiving optical signal module 21, a decoding module 22, a comparison module 25, an input module 23, a memory module 24 and a switching device 26, the receiving optical signal module 21 and the decoding module The group 22 is electrically connected, and the comparison module 25 is electrically connected to the decoding module 22, and the input module 23 is electrically connected to the comparison module 25, and the memory module 24 and the comparison module 25 are connected. The switch device 26 is electrically connected to the comparison module 25 .

Please refer to FIG. 3, which is a flow chart of the implementation of the optical lock device. The user performs the step of setting the unlocking password of the switching device 26 by the input module 23 through the step "setting password" 31. The "memory password" 32 is accessed by the memory module 24 to access the unlocking password set by the user. Step "Enter Password" 33 is input by the input module 12, and the "encoding" 34 microprocessor 11 encodes the user's input password. The step "demodulation" 35 modulates the encoded input password, step " The transmitting optical signal 36 is transmitted by the transmitting optical signal module 13 and transmitted by the optical signal. The step of "receiving the optical signal" 37 is received by the receiving optical signal module 21, and the input password is modulated. The variable "38" demodulates the modulated input password, and the step "decoding" 39 decodes the input password of the encoding module by the decoding module 22, and the step "comparison password" 310 is decoded by the comparison module 25. The password is compared with the unlock password accessed by the memory module 24. The step "unlock" 311 compares the input password with the unlock password, and then unlocks correctly. Otherwise, the lock is not unlocked.

The above description of the embodiments is intended to be illustrative of the present invention and is not intended to limit the scope of the present invention.

41‧‧‧Optical Signal Launch System

42‧‧‧Optical signal receiving system

Claims (3)

An optical code lock device comprising: an optical signal transmitting system comprising a microprocessor, an input module, a modulation module, a light emitting signal module and a memory module, the memory module and the micro The microprocessor is electrically connected to the input module, the microprocessor is electrically connected to the modulation module, and the modulation module is electrically connected to the optical signal module; The optical signal receiving system includes a receiving optical signal module, a decoding module, a comparison module, an input module, a memory module and a switching device, and the receiving optical signal module and the decoding module are electrically The connection module is electrically connected to the decoding module, the input module is electrically connected to the comparison module, and the memory module is electrically connected to the comparison module, and the switch device is The comparison module is electrically connected, wherein the optical signal transmitting system and the optical signal receiving system are connected by an optical signal to achieve the function of unlocking and unlocking. The optical code lock device of claim 1, wherein the light emitting signal module is a light emitting diode, a high brightness blue light emitting diode, an infrared light emitting device or a laser emitter. The optical code lock device according to claim 1, wherein the modulation mode of the modulation module is an amplitude offset modulation On-off Keying (OOK), and a pulse width modulation pulse-width modulation (PWM). ), pulse position (phase and frequency) modulation Pulse-position modulation (PPM), orthogonal frequency division multiplexing (OFDM), carrierless amplitude modulation or phase modulation carrierless Amplitude/Phase Modulation (CAP).