Anti-counterfeiting detecting device and detection method thereof
Technical field
The present invention relates to a kind of anti-counterfeiting detecting device and detection method thereof, particularly related to a kind of be used to detect apply or be printed on true and false anti-counterfeiting detecting device and the detection method thereof of anti-fake mark on the medium.
Background technology
Existing anti-fake mark normally is printed on anti-counterfeiting image, coding, bar code or the literal that naked eyes can be seen on the medium of needs printing, the detection of anti-fake mark is normally through naked eyes or special-purpose sweep sign indicating number or code-reading apparatus detects.Though; Used sightless anti-fake mark now; It is to go out sightless encode false-proof mark with special ink printing; Detect with the detecting device that infrared camera is housed then, to judge the true and false of anti-fake mark, for example application number be the patent of ZL200910136063.9 and ZL200910000647.3 number invention all be on the medium with the colorless ink printing on information encode.But along with the raising of false proof level, the fraud technology is also in continuous improve, and single anti-fake mark can not satisfy growing false proof needs, and the update of anti-fake mark equally also needs the update of anti-counterfeiting detecting device and detection method.
Summary of the invention
The application's goal of the invention is to overcome existing anti-counterfeiting detecting device and detection method can only detect the problem of single anti-fake mark, and a kind of anti-counterfeiting detecting device and detection method thereof that can detect combination or integrated anti-counterfeit mark is provided.
In order to accomplish the application's goal of the invention, the present invention adopts following technical scheme:
A kind of anti-counterfeiting detecting device of the present invention; This anti-counterfeiting detecting device comprises: housing; On housing, have detection window and output window, power switch is housed on housing, infrared camera, demoder, central processing unit and signal output device are housed in the housing; Infrared camera links to each other with the input end of demoder through information wire; The output terminal of demoder links to each other with the input end of central processing unit, and the output terminal of central processing unit links to each other with the input end of signal output device, and signal output device is aimed at output window; Wherein: also be equipped with in the housing: range sensor, light source, receiver, photoelectric commutator, dector and microprocessor; Power switch links to each other through information wire with the input end of range sensor, and the output terminal of range sensor links to each other with infrared camera with light source through information wire respectively, and receiver links to each other with the input end of photoelectric commutator, dector and microprocessor through information wire successively; The output terminal of microprocessor links to each other with the input end of central processing unit, infrared camera, range sensor, light source and receiver aim detecting window;
A kind of anti-counterfeiting detecting device of the present invention; Wherein: said detection window comprises: first window, second window and the 3rd window; Infrared camera is contained in the housing of aiming at first window; Light source and receiver are contained in the housing of aiming at second window, and range sensor is contained in the housing of aiming at the 3rd window;
A kind of anti-counterfeiting detecting device of the present invention, wherein: the power density of said light source is more than or equal to 7mW/cm
2
A kind of anti-counterfeiting detecting device of the present invention, wherein: said light emitted go out wavelength in the scope of 780nm to 1550nm with the light of frequency in 10 to 2000Hz scope;
A kind of anti-counterfeiting detecting device of the present invention, wherein: said receiver is a spectral receiver;
A kind of anti-counterfeiting detecting device of the present invention, wherein: said spectral receiver is the spectral receiver that receives 470 to 2500nm wavelength light;
A kind of anti-counterfeiting detecting device of the present invention, wherein: said signal output device is voice output device, pilot lamp, look a kind of or any several kinds combination of panel type display or signal output interface;
A kind of anti-counterfeiting detecting device of the present invention, wherein: said central processing unit is the central processing unit that has internal database or external database: said microprocessor is the microprocessor that has internal database or external database.
The detection method of a kind of anti-counterfeiting detecting device of the present invention, wherein: it may further comprise the steps:
(1) at first power switch (4) is opened; Detection window is pressed close to medium to be detected; Range sensor begins to detect the distance between itself and the medium to be detected; When the distance between range sensor and the medium to be detected during less than 1mm, the output terminal of range sensor sends an enabling signal to light source and infrared camera simultaneously;
(2) light source is after receiving the enabling signal of range sensor; To medium to be detected emission light beam, medium to be detected is inspired the emission light beam of certain wavelength and is received by the receiver after receiving above-mentioned beam excitation; Receiver is after receiving this emission light beam; This light beam is sent into photoelectric commutator convert electric signal to, this electric signal is admitted to dector and extracts then, is admitted to microprocessor after the signal extraction; Signal in microprocessor the database that this signal is internal or external with it compares, and relatively output digital signal in back is given central processing unit;
(3) infrared camera is after receiving the enabling signal of range sensor; To medium emission infrared ray to be detected; Medium to be detected is after receiving above-mentioned infrared ray, if on medium, scribble or be printed with the infrared absorption printing ink that has image or coding, image or coding can be photographed by infrared camera; Image that is taken or coding are admitted to demoder and decode, and output signal to central processing unit after demoder is decoded;
(4) above (2) and (3) two steps are carried out simultaneously; Central processing unit is after receiving the output signal of above-mentioned microprocessor and demoder; Signal in the database internal or external with it compares; Come comprehensively to judge on the medium to be detected, produce one and output signal to signal output device, inform the true and false of user's anti-fake mark with behind two kinds of different concealed anti-false marks that anti-forgery ink applied or printed true and false;
The detection method of a kind of anti-counterfeiting detecting device of the present invention, wherein: said signal output device with voice output device, pilot lamp, look the way of output output signal of a kind of or any several kinds combination of panel type display or signal output interface.
Anti-counterfeiting detecting device of the present invention is compared with the anti-counterfeiting detecting device of prior art, and anti-counterfeiting detecting device of the present invention not only can detect with ink special and be printed on the anti-counterfeiting information coded image on the medium, can detect simultaneously with specialty inks and apply or be printed on the security pattern on the medium; Anti-counterfeiting information coding and security pattern use simultaneously, strengthened anti-counterfeiting power and personalized information is provided, and the visual effect on the anti-counterfeiting medium surface after the printing is identical when not printing together; Anti-fake mark is sightless for people's naked eyes; And the light of light emitted is in infra-red range, and naked eyes also are sightless, so good concealment; Receiver accept only than the visible light or the invisible light of narrow range of wavelengths; Being applicable to the requirement of anti-counterfeiting power high product, having increased antifalse effect, is the much progress on the anti-counterfeiting technology.
Description of drawings
Fig. 1 is the synoptic diagram of anti-counterfeiting detecting device of the present invention;
In Fig. 1, label 1 is first window; Label 2 is second window; Label 3 is the 3rd window; Label 4 is a power switch; Label 5 is a housing; Label 6 is an output window.
Embodiment
As shown in Figure 1; Anti-counterfeiting detecting device of the present invention comprises: housing 5; Power switch 4 is housed on housing 5; Infrared camera, demoder, central processing unit, signal output device, range sensor, light source, receiver, photoelectric commutator, dector and microprocessor are housed in the housing 5, and power switch 4 links to each other through information wire with the input end of range sensor, and the range sensor output terminal links to each other with infrared camera with light source through information wire respectively; Infrared camera links to each other with the input end of demoder through information wire; Receiver links to each other with the input end of photoelectric commutator, dector and microprocessor through information wire successively, and the output terminal of demoder links to each other with the input end of central processing unit respectively with the output terminal of microprocessor, and the output terminal of central processing unit links to each other with the input end of signal output device.
On housing 5, have detection window and output window 6; Detection window comprises: first window 1, second window 2 and the 3rd window 3; Infrared camera is contained in the housing 5 of aiming at first window 1; Light source and receiver are contained in the housing 5 of aiming at second window 2, and range sensor is contained in the housing 5 of aiming at the 3rd window 3, and signal output device is contained in the housing 5 of aiming at output window 6.
The light that light emitted goes out be wavelength in 780nm to 1550nm scope, frequency in 10 to 2000Hz scopes and power density more than or equal to 7mW/cm
2Light.
Receiver is a spectral receiver, and it can receive the light of 470 to 2500nm wavelength.
Signal output device is voice output device (like loudspeaker or loudspeaker), pilot lamp, look a kind of or any several kinds combination of (as: USB interfaces) such as panel type display (image display panel) and signal output interfaces.
Central processing unit and microprocessor are all to be the processors that have internal database or external database.
In the anti-counterfeiting detecting device of the present invention power supply is housed; For simplicity; Do not draw among the figure; Power supply links to each other with infrared camera, demoder, central processing unit, signal output device, range sensor, light source, receiver, photoelectric commutator, dector and microprocessor respectively, and power supply can be built-in power or external power supply, and built-in power can be the lithium battery of charging.
The detection method of anti-counterfeiting detecting device of the present invention may further comprise the steps:
(1) at first power switch (4) is opened; Detection window is pressed close to medium to be detected; Range sensor begins to detect the distance between itself and the medium to be detected; When the distance between range sensor and the medium to be detected during less than 1mm, the output terminal of range sensor sends an enabling signal to light source and infrared camera simultaneously;
(2) light source is after receiving the enabling signal of range sensor; To medium to be detected emission light beam, medium to be detected is inspired the emission light beam of certain wavelength and is received by the receiver after receiving above-mentioned beam excitation; Receiver is after receiving this emission light beam; This light beam is sent into photoelectric commutator convert electric signal to, this electric signal is admitted to dector and extracts then, is admitted to microprocessor after the signal extraction; Signal in microprocessor the database that this signal is internal or external with it compares, and relatively output digital signal in back is given central processing unit;
(3) infrared camera is after receiving the enabling signal of range sensor; To medium emission infrared ray to be detected; Medium to be detected is after receiving above-mentioned infrared ray, if on medium, scribble or be printed with the infrared absorption printing ink that has image or coding, image or coding can be photographed by infrared camera; Image that is taken or coding are admitted to demoder and decode, and output signal to central processing unit after demoder is decoded;
(4) above (2) and (3) two steps are carried out simultaneously; Central processing unit is after receiving the output signal of above-mentioned microprocessor and demoder; Signal in the database internal or external with it compares; Come comprehensively to judge on the medium to be detected with behind two kinds of different concealed anti-false marks that anti-forgery ink applied or printed true and false; Produce one and output signal to signal output device, signal output device through voice output device, pilot lamp, look one of panel type display or signal output interface or any several kinds the combination modes inform the true and false of user's anti-fake mark.
The anti-fake mark that detects with anti-counterfeiting detecting device of the present invention is a kind of integrated anti-counterfeit mark; This mark is respectively with the anti-counterfeiting information coded image of the special-purpose infrared absorption printing ink printing of absorption peak wavelength in the 720nm-1200nm scope and the anti-fake mark of the figure of printing at the special anti-forgery ink of 780nm to 1550nm scope with wavelength, bar code, civilian son and character formation; These two kinds of anti-fake marks are combined into the integrated anti-counterfeit mark and are detected simultaneously by anti-counterfeiting detecting device of the present invention and comprehensively judge, to confirm the detected material true and false.
Just to explanation of the present invention, be not that institute of the present invention restricted portion is referring to claim to the qualification of invention more than, under the situation of spirit of the present invention, the present invention can do any type of modification.