Certified paper discriminating apparatus

A method for discriminating the genuineness of a certified paper having at least one security mark including a non-electroluminescent ink and an electroluminescent ink that emits a light being exposed to an alternating current electromagnetic field and emits a fluorescent light being illuminated by a light having a specified wavelength, comprising the steps of:

• scanning a least a portion of the security mark;
• exposing a least a portion of the certified paper to a light source emitting the specified wavelength;
• detecting a first light emitted from the electroluminescent ink of the security mark at a light collecting spot with a first light detecting element configured to produce a first output value waveform corresponding to the intensity of light detected from the electroluminescent ink;
• detecting a reflected light from the electroluminescent ink of the security mark at the light collecting spot with a second light detecting element configured to produce a first output value waveform corresponding to the intensity of light detected from the non-electroluminescent ink;
• driving an alternating voltage applying means to produce an environment of an alternating electric field upon the lapse of a predetermined period after the detection of the certified paper by a detecting sensor;
• and discriminating the genuineness of the certified paper based on the first and second output value waveform of the fist and second light detecting elements.

A method for discriminating the genuineness of a certified paper having at least one security mark including a non-electroluminescent ink and an electroluminescent ink that emits a light being exposed to an alternating current electromagnetic field and emits a fluorescent light being illuminated by a light having a specified wavelength, comprising the steps of:

• scanning a least a portion of the security mark;
• exposing a least a portion of the certified paper to a light source emitting the specified wavelength;
• detecting a first light emitted from the electroluminescent ink of the security mark at a light collecting spot with a first light detecting means configured to produce a first output value waveform corresponding to the intensity of light detected from the electroluminescent ink;
• detecting a reflected light from the electroluminescent ink of the security mark at the light collecting spot with a second light detecting means configured to produce a first output value waveform corresponding to the intensity of light detected from the non-electroluminescent ink;
• splitting the light detected by the light detecting means into a first light from the electroluminescent ink and a second light from the non-electroluminescent ink by an optical splitting means, and discriminating the genuineness of the certified paper based on the first and second output value waveform of the fist and second light detecting means.

A method for discriminating the genuineness of a certified paper having at least one security mark including an electroluminescent ink that emits a light upon being exposed to an alternating current electromagnetic field, comprising the steps of:

• scanning at least a portion of the security mark;
• detecting a light emitted from the electroluminescent ink of the security mark in an environment of an alternating electric field with a light detecting means configured to produce an output value waveform corresponding to the intensity of light detected from the electroluminescent ink;
• setting an electric field between two electrode members, each electrode member having a lens portion;
• transmitting an emitted light from the certified paper caused by corona discharge through the lens members to the light detecting means;
• and
• discriminating the genuineness of the certified paper based on the output value waveform of the light detecting means.

A method for discriminating the genuineness of a certified paper having at least one security mark including a non-electroluminescent ink and an electroluminescent ink that emits a light upon being exposed to an alternating current electromagnetic field, comprising the steps of:

• scanning at least a portion of the security mark;
• detecting at a first light detecting device a first light emitted by a LED-member and reflected by the certified paper through an electrode member having a lens member to produce a first output value waveform corresponding to the intensity of light detected from the non-electroluminescent ink;
• detecting at a second light detecting device a second light emitted from the electroluminescent ink of the certified paper by corona discharge through the lens portion with the electrode member to produce a second output value waveform corresponding to the intensity of the light detected from the electroluminescent ink;
• and
• discriminating the genuineness of the certified paper based on the first and second output value waveform of the first and second light detecting means.

Sensor for discriminating the genuineness of a certified paper having at least one security mark including a non-electroluminescent ink and an electroluminescent ink that emits a light being exposed to an alternating current electromagnetic field and emits a fluorescent light being illuminated by a light having a specified wavelength, comprising the steps of:

• a light source configured to emit the specified wavelength;
• a first light detecting element for detecting a first light from the electroluminescent ink of the security mark at a light collecting spot with a first light detecting element configured to produce a first output value waveform corresponding to the intensity of light detected from the electroluminescent ink;
• a second light detecting element for detecting a reflected light from the electroluminescent ink of the security mark at the light collecting spot with a second light detecting element configured to produce a first output value waveform corresponding to the intensity of light detected from the non-electroluminescent ink;
• an alternating voltage control means;
• an alternating voltage applying means configured to drive the alternating voltage control means when the first light detecting means detects the fluorescent light from the electroluminescent ink;
• and a discriminating element for discriminating the genuineness of the certified paper based on the first and second output value waveform of the fist and second light detecting elements.

Sensor for discriminating the genuineness of a certified paper having at least one security mark including a non-electroluminescent ink and an electroluminescent ink that emits a light being exposed to an alternating current electromagnetic field and emits a fluorescent light being illuminated by a light having a specified wavelength, comprising the steps of:

• a light source configured to emit the specified wavelength;
• a first light detecting element for detecting a first light from the electroluminescent ink of the security mark at a light collecting spot in an environment of an alternating electric field and configured to produce a first output value waveform corresponding to the intensity of light detected from the electroluminescent ink;
• a second light detecting element for detecting a reflected light from the electroluminescent ink of the security mark at the light collecting spot and configured to produce a second output value waveform corresponding to the intensity of the light detected from the non-electroluminescent ink;
• an alternating voltage control means;
• a detector sensor for detecting the certified paper;
• an alternating voltage applying means drive the alternating voltage control means upon the lapse of a predetermined period after the detection of the certified paper by the detecting sensor;
• and a discriminating element for discriminating the genuineness of the certified paper based on the first and second output value waveform of the fist and second light detecting elements.

Sensor for discriminating the genuineness of a certified paper having at least one security mark including a non-electroluminescent ink and an electroluminescent ink that emits a light being exposed to an alternating current electromagnetic field and emits a fluorescent light being illuminated by a light having a specified wavelength, comprising the steps of:

• a light source configured to emit the specified wavelength;
• a first light detecting element for detecting a first light from the electroluminescent ink of the security mark at a light collecting spot with a first light detecting element configured to produce a first output value waveform corresponding to the intensity of light detected from the electroluminescent ink;
• a second light detecting element for detecting a reflected light from the electroluminescent ink of the security mark at the light collecting spot with a second light detecting element configured to produce a first output value waveform corresponding to the intensity of light detected from the non-electroluminescent ink;
• an alternating voltage control means;
• an optical splitting means for splitting the light detected by the light detecting means into a first light from the electroluminescent ink and a second light from the non-electroluminescent ink by an optical splitting means, and a discriminating element for discriminating the genuineness of the certified paper based on the first and second output value waveform of the fist and second light detecting elements.

Sensor unit for discriminating the genuineness of a certified paper having at least one security mark, the security mark comprising a non-electroluminescent ink and an electroluminescent ink that emits a light upon being exposed to an alternating current electromagnetic field, the sensor comprising:

• a light detecting means for detecting a light from the electroluminescent ink of the security mark in an environment of an alternating electric field and configured to produce an output value waveform corresponding to the intensity of light detected from the electroluminescent ink;
• two electrode members, each comprising a lens member configured to generate the environment of an alternating electric field and transmit a light emitted from the certified paper caused by corona discharge through the lens members to the light detecting means;
• and
• a discriminating element for discriminating the genuineness of the certified paper based on an output value waveform of the light detecting means.

Sensor unit for discriminating the genuineness of a certified paper having at least one security mark, the security mark comprising a non-electroluminescent ink and an electroluminescent ink that emits a light upon being exposed to an alternating current electromagnetic field comprising:

• a lens member having an electrode member;
• a first light detecting means for detecting a first light emitted by a LED-member and reflected by the certified paper through the lens member and configured to produce a first output value waveform corresponding to the intensity of light detected from the electroluminescent ink;
• a second light detecting means for detecting a light emitting from the certified paper by corona discharge through the lens member and configured to produce a second output value waveform corresponding to the intensity of the light detected from the non-electroluminescent ink;
• a discriminating element for discriminating the genuineness of the certified paper based on the first and second output value waveform of the first and second light detecting means,
• wherein the first and second light detecting means are configured to detect the emitting lights from the surface of the certified paper.