WO2001004857A1 - Detecteur monte sur verre - Google Patents

Detecteur monte sur verre Download PDF

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Publication number
WO2001004857A1
WO2001004857A1 PCT/JP2000/004492 JP0004492W WO0104857A1 WO 2001004857 A1 WO2001004857 A1 WO 2001004857A1 JP 0004492 W JP0004492 W JP 0004492W WO 0104857 A1 WO0104857 A1 WO 0104857A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass
detection
frame
conductive film
capacitance
Prior art date
Application number
PCT/JP2000/004492
Other languages
English (en)
Japanese (ja)
Inventor
Ryochi Kato
Hideto Kato
Tunenori Araki
Kunihide Kamiyama
Kiichi Seino
Original Assignee
Ks Techno Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ks Techno Co., Ltd. filed Critical Ks Techno Co., Ltd.
Priority to AU58486/00A priority Critical patent/AU5848600A/en
Priority to CA002377495A priority patent/CA2377495A1/fr
Publication of WO2001004857A1 publication Critical patent/WO2001004857A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit

Definitions

  • the present invention relates to a glass sensor, and more particularly to a glass capacitance sensor for detecting the presence of an object approaching or in contact with a window glass.
  • Japanese Utility Model Publication No. Sho 64-5-11922 discloses that a high-frequency AC current is applied to both electrodes provided on an outer glass plate and an inner glass plate of a laminated glass for a vehicle, thereby obtaining an electrostatic force. It discloses an anti-fog laminated glass for detecting a change in capacity.
  • the above-mentioned capacitive sensor for window glass has a comb-shaped transparent electrode formed inside the window glass, it requires a large number of manufacturing steps, and the manufacturing cost is high. 7
  • the above-mentioned anti-fog laminated glass uses a so-called high-frequency sensor, it generates a strong electric field, becomes a noise source for telephone lines and electronic circuits around the glass, and if the installation location is limited, There was a problem.
  • An object of the present invention is to provide a glass sensor which is inexpensive to manufacture, does not use a current for generating an electric field, and has excellent detection stability. Disclosure of the invention
  • the glass sensor according to the invention described in claim 1 includes a conductive glass provided on one side of glass.
  • a frame that supports all or a part of the periphery of the glass and is grounded; an insulating member that insulates the conductive film from the frame; and an insulating member between the conductive film and the frame.
  • a detection circuit for detecting a change in capacitance.
  • the glass sensor according to the present invention is applicable to a glass door or a glass window provided at an opening of a building as a security device, and the form, structure, etc. of an automatic door, a revolving door, a jalody, etc. It doesn't matter.
  • the conductive film does not include a conductive layer directly formed on a glass surface by a vacuum evaporation method or the like.
  • the glass sensor according to the present invention can be applied not only to the glass provided in the opening of the building part but also to, for example, a showcase made of glass for display, and the installation place is not limited.
  • the glass sensor according to the present invention for example, irradiates a spotlight on an exhibit when a human approaches a showcase or a show window using the glass sensor, or generates a sound announcement of a product description. Its use is not limited.
  • the object to be detected by the glass sensor according to the present invention is not limited to a human body.
  • FIG. 1 is a partial cross-sectional view of a glass part of the glass sensor according to the first embodiment of the present invention.
  • FIG. 2 is a partial cross-sectional view of a glass part of a glass sensor according to a second embodiment of the present invention.
  • FIG. 3 is a partial cross-sectional view of a glass part of a glass sensor according to a third embodiment of the present invention.
  • FIG. 4 is a partial cross-sectional view of a glass part of a glass sensor according to a fourth embodiment of the present invention.
  • FIG. 5 is a partial cross-sectional view of a glass part of a glass sensor according to a fifth embodiment of the present invention. is there.
  • FIG. 6 is an overall configuration diagram of a glass sensor according to a sixth embodiment of the present invention.
  • FIG. 7 is a partial cross-sectional view of a glass part of a glass sensor according to a fifth embodiment of the present invention.
  • FIG. 8 is an overall configuration diagram of the glass sensor of FIG.
  • FIG. 9 is an explanatory diagram of contact members 140 and 150 used in place of switches 77 and 78 in the glass sensor of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
  • the glass sensor according to the present embodiment is a sensor for a security system provided with glass 2 for a house, a store, or the like, and an alarm is activated when an intruder approaches the glass 2.
  • Reference numeral 1 denotes a glass part of the glass sensor, which stores a sheet glass 2, a transparent conductive film 3 provided on the indoor side surface of the sheet glass 2, a support 4 supporting the sheet glass 2, and a support 4
  • the frame 5 is made of aluminum.
  • the support 4 is, for example, an insulator such as a synthetic resin sealing material.
  • An inclined surface 6 extends from the exposed surface of the support 4 on the indoor side.
  • the inclined surface 6 prevents dew condensation on the indoor side of the sheet glass 2 and prevents water droplets from collecting on the indoor side exposed surface of the support 6. That is, when the water droplets come into contact with both the transparent conductive film 3 and the frame 5, both of them are short-circuited, and the detection becomes impossible or the detection area is reduced (sensitivity is reduced).
  • a water-repellent film made of a water-repellent Teflon resin or the like is provided instead of the inclined surface 6 on the indoor-side exposed surface of the support 4 or on the upper surface of the inclined surface 6, a water-repellent film made of a water-repellent Teflon resin or the like is provided instead of the inclined surface 6 on the indoor-side exposed surface of the support 4 or on the upper surface of the inclined surface 6, a water-repellent film made of a water-repellent Teflon resin or the like is provided instead of the inclined surface 6 on the indoor-side exposed surface of the support 4 or on the upper surface of the inclined surface 6, a water-repellent film made of a water-repellent Teflon resin or the like is provided instead of the inclined surface 6 on the indoor-side exposed surface of the support 4 or on the upper surface of the inclined surface 6, a water-repellent film made of a water-repellent Teflon resin or the like is provided instead of the inclined surface 6 on the indoor-side
  • the frame 5 is fixed to the building frame (not shown) in the case of a fixed window, and is fixed to the building frame to move the entire window like a sliding window. It is slidably or rotatably supported by an outer frame (not shown). Further, the transparent conductive film 3 is provided on the indoor surface of the glass 2, which is compared with the case where the transparent conductive film 3 is provided on the outdoor surface. This is because damage and deterioration of the transparent conductive film can be prevented.
  • the transparent conductive film 3 is connected to a detection circuit (not shown), and the frame 5 is grounded.
  • a detection circuit not shown
  • the frame 5 is directly welded to the reinforcing bar of a building having a reinforced structure, it is not necessary to ground the lead via a lead wire or the like, since the ground is grounded.
  • This embodiment has the following three advantages.
  • the transparent conductive film 3, which is the detection electrode, is electrically separated from the building frame by the grounded frame 5, so that the building frame, especially the outer and inner walls of the building, can be painted. It is less susceptible to the amount of charge stored on a surface or wallpaper. For this reason, it is possible to secure a stable detection accuracy that is less susceptible to external charge fluctuations.
  • the transparent conductive film 3 is required only on one side of the glass sheet 2 and need not be provided on both sides of the glass sheet 2. Therefore, the production cost can be reduced as compared with the case where the transparent conductive film is provided on both sides.
  • a glass sensor according to a second embodiment of the present invention will be described with reference to FIG.
  • This embodiment is also a sensor for a P-offender system, as in the first embodiment.
  • Reference numeral 10 denotes a so-called double-glazed glass, which includes an outdoor glass 11, a transparent conductive film 12 provided on the indoor surface of the glass 11, and a room provided opposite the outdoor glass 11.
  • Side glass 14 a dry air layer 13 provided between both glasses 11, 14, an aluminum spacer 15 supporting both glasses 11, 14 and a support 18, It consists of a frame 19 and a force.
  • the support 18 is an insulator, and the spacer 15 and the frame 19 are conductors.
  • a desiccant 16 is housed inside a spacer 15 that keeps an interval between the two glass sheets 11 and 14, and the air in the dry air layer 13 is supplied to the desiccant through a slit 17. 16 and so on.
  • the detection distance from the transparent conductive film 12 is Ll toward the outside of the room and L2 toward the inside of the room. Both distances are set assuming an average human body mass.
  • the outdoor surface of the outdoor glass 11 is set within the range of the detection distance L1, while the indoor surface of the indoor glass 14 is set to the detection distance L2.
  • the dry air layer 13 is provided between the glasses 11 and 14, but a vacuum layer may be provided instead of the dry air layer.
  • an insulating synthetic resin plate (film) may be provided, and the glasses 11 and 14 may be configured as laminated glass.
  • one surface of the transparent conductive film 12 serving as a detection electrode is the outdoor glass 11, and the other surface is in contact with the dry air layer 13. As a result, it is hardly affected by changes in humidity, and stable detection accuracy can be maintained.
  • the detection circuit since the indoor surface of the indoor glass 14 is outside the detection area, the detection circuit does not output a detection signal even when a human body approaches or contacts the glass 14 from the indoor side. Therefore, since there is no influence of the fluctuation of the electric charge on the indoor side, malfunction of the alarm system can be prevented.
  • Glass sensors according to a third embodiment and a fourth embodiment according to the present invention will be described with reference to FIGS. 3 and 4, respectively. The same members as those in the second embodiment are denoted by the same reference numerals.
  • a transparent conductive film 21 as a shield electrode is provided on the indoor side surface of the indoor side glass 14.
  • the double-glazed glass part 30 shown in FIG. 4 has a transparent conductive finolem 31 as a shield electrode provided on the outdoor surface of the indoor glass 14. b.
  • the transparent conductive films 21 and 31 are both grounded.
  • the grounded transparent conductive films 21 and 31 for shielding are provided on the indoor side of the transparent conductive film 12 which is the detection electrode, so that the charge amount becomes extremely high in a dry state in winter. Even if the human body or the like that has increased in number approaches or contacts the glass 14 from the indoor side, the detection circuit does not output a detection signal because the approach or the like leads to grounding. For this reason, a malfunction of the alarm system can be prevented as compared with the second embodiment.
  • the spacer 15 needs to be formed of an insulator, and the spacer 15 has a force to apply insulating coating or the like to the surface of the spacer 15.
  • the fourth embodiment is superior to the third embodiment in that the transparent conductive film 31 is not exposed to the inside of the room, and thus is excellent in protecting the transparent conductive film. There is.
  • a glass sensor according to a fifth embodiment of the present invention will be described with reference to FIG.
  • This embodiment has substantially the same configuration as the glass sensor of the first embodiment described above, and is mainly applicable to a case where a window glass already installed in a building is converted into a glass sensor.
  • the frame is not necessarily grounded because the ground electrode is disposed on the charge transfer section 60.
  • Reference numeral 50 denotes a glass part of the glass sensor, which includes an existing plate glass 51, a transparent conductive film 52 made of synthetic resin attached to the indoor side surface of the plate glass 51, and a support 53.
  • the frame consists of 54 forces.
  • the configuration and the like of the support 53 and the frame 54 are the same as those of the first embodiment.
  • the conductive film 52 is obtained by laminating a transparent conductive film on a plurality of transparent synthetic resin films. Since the conductive film of the film 52 is not exposed, even if water droplets accumulate on the upper surface of the support 53, a short circuit between the conductive film 52 and the frame 54 is unlikely to occur.
  • a film in which a conductive material is mixed into a transparent synthetic resin may be used instead of the conductive film 52.
  • a film in which a conductive material is mixed into a transparent synthetic resin may be used.
  • an inclined surface or a water layer is formed on the surface of the support 53. It is desirable that the forming force or the lower end of the film be positioned 1 cm ⁇ above the surface of the support 53 so that water droplets do not come into contact with the film.
  • the conductive film 52 does not need to be provided on the entire surface of the plate glass 51, for example, The possibility that an entrant may approach may be provided only on the periphery of the high-level locking member.
  • the charge transfer section 60 is attached to the indoor side surface of the conductive film 52.
  • the charge transfer section 60 includes a synthetic resin case 61, a pressure-sensitive adhesive layer 62 as mounting means provided on the back surface of the case 61, and a transmission housed inside the case 61 and insulated from each other. And a ground electrode 64.
  • the detection electrode 63 and the ground electrode 64 are 3 cm x 3 cm copper plates, and each is connected to a detection circuit (not shown) via a lead wire (not shown). Note that the charge transfer section 60 does not necessarily need to be provided on the surface of the conductive film 52, and may be provided on the outdoor surface of the glass 51.
  • the operation of the present embodiment will be described.
  • the amount of charge of the transparent conductive film 52 increases.
  • the electric field generated on the surface of the transparent conductive film 52 around the charge transfer portion 60 increases the amount of charge of the detection electrode 63, and the capacitance between the detection electrode 63 and the ground electrode 64. Increase. Due to the increase in the capacitance, the detection circuit outputs a detection signal.
  • a glass sensor can be realized only by providing a conductive film and a charge transfer portion on an existing window glass without performing facility construction such as glass replacement.
  • the charge transfer section an increase in the amount of charge of the conductive film to which a lead wire or the like is difficult to be connected can be easily transmitted to the detection circuit.
  • the conductive film 52 does not need to be provided.
  • the electric charge of the net increases, and the electric field generated in the net iron wire around the charge transfer section 60 causes the electric charge of the detection electrode 63 to increase. This is because
  • a glass sensor according to a sixth embodiment of the present invention will be described with reference to FIG.
  • This embodiment is a glass sensor provided in each of two sliding windows 73, 74, and a transparent conductive film 71, provided on the indoor side of each window 73, 74.
  • the controller 90 activates the alarm 100 when any one of the charges in 2 increases due to the approach or contact of the intruder, and a sharp difference occurs in the respective capacitances. It is.
  • the detection circuit 80 of the glass sensor of the present embodiment includes a first delay circuit 81 connected to the transparent conductive film 71, and a second delay circuit 82 connected to the transparent conductive film 72. A detection circuit 80 connected to the delay circuit; and a detection circuit 80 connected to the controller 90.
  • the detection circuit 80 is provided inside the frame 73 A or the frame 74 A, and further, a controller 90 equipped with a radio signal transmitter and a corresponding radio signal receiver is provided. May transmit a detection signal.
  • controller 90 may further include a transmission circuit for transmitting reception of a detection signal to an external terminal provided in a security company or the like via a line.
  • the controller 90 is provided on the outer frame 76 via a lead wire, and is connected to a switch 7778 connected in series.
  • the switch 77 is closed when pressed by the frame 73 A of the window 73
  • the switch 78 is closed when pressed by the frame 74 A of the window 74.
  • the outer frame contact member 140 provided on the upper left of the outer frame 76 includes a contact 141, which is a conductor, a spring 143 for pressing the contact 141, and a contact 1441 and a spring. 1 4 4 and a case 1 4 2 for connecting the contact 1 4 1 and the detection circuit 8 0, and a frame contact member 1 provided at the upper left of the frame 7 4
  • a Reference numeral 50 denotes a contact 151, which is a conductor, a spring 153 for pressing the contact 151, downward, a case 152 for accommodating the contact 151, and the spring 1553, and a contact. 154 connecting the transparent conductive finolem 72 to the transparent conductive finolem 72.
  • the contact member 1 4 0 1 5 0 contacts the contact 1 4 1 and the contact 1 5 1 only when the window 7 3 7 4 is closed # ⁇ , the electric charge of the transparent conductive film is sent to the detection circuit 8 0. It can be transmitted ig-T. For this reason, these members are not provided with a switch 7778 for confirming the closed state of the window 7374.
  • the operation of the present embodiment will be described.
  • a difference in capacitance occurs due to a difference in the charge amount of the transparent conductive film 7 1 7 2 due to the approach of an intruder, etc.
  • the first and second delay circuits 8 1 A phase difference occurs in the pulse waveform formed by 82. If this phase difference is equal to or larger than the predetermined threshold set in the comparison circuit 83, the detection signal from the comparison circuit 83 is sent to the controller.
  • the controller 90 to which the detection signal has been input confirms that both the windows 74 and 73 are closed and that both the switches 77 and 78 are closed, and then issues an alarm. Activate 100.
  • an external radio noise or the like is a force that gives the same amount of change to both transparent conductive films 71 and 72. This change does not cause a phase difference in the comparison circuit 83, so that no detection signal is output.
  • the switches 77, 78 can limit the operation of the hairpin 100 to the case where both windows are closed.
  • a microswitch or the like may be provided on the locking member 75 or the like so that the alarm 100 can be activated only when both windows are closed and further locked.
  • a glass sensor 110 according to a seventh embodiment of the present invention will be described with reference to FIG. 7 and FIG.
  • the window glass portion is the same as in the fifth embodiment.
  • the detection circuit 130 in the present embodiment is a capacitance sensor circuit disclosed in Japanese Patent Application No. 10-3222831 filed by the applicant of the present application. .
  • the charge transfer section 120 is attached to the indoor surface of the conductive film 52.
  • the charge transfer section 120 is housed inside the case 122 made of a synthetic resin, the pressure-sensitive adhesive layer 122 provided on the back of the case 121, and the case 122, and is insulated from each other. And a first detection electrode 123 and a second detection electrode 124 for electric charge transfer, which are arranged in a stacked manner, and a ground electrode 125 and a force.
  • the area S 1 of the first detection electrode 1 2 3 is approximately three times the area S 2 of the second detection electrode 1 2 4
  • the distance between the first detection electrode 123 and the ground electrode 125 is about twice the distance between the second detection electrode 124 and the ground electrode 125.
  • the detection circuit 130 of the present embodiment includes a first comparator 131 connected to the first detection electrode 131, a second comparator 132 connected to the second detection electrode 132, a flip-flop circuit 133, and a CPU 134. And an automatic sensitivity adjustment circuit 135 and an automatic balance adjustment circuit 136.
  • the first comparator 131 forms a clock signal CK which is a pulse waveform output
  • the second comparator 132 forms a first data signal P1 which is a pulse waveform output having a phase advanced from the clock signal CK.
  • the pulse waveform output from the second comparator 132 forms a second data signal P2 having a phase delayed from the clock signal CK by the automatic sensitivity adjustment circuit 135 controlled by the CPU 134.
  • the flip-flop circuit 133 compares the time difference between the waveform timing of the first data signal P1 and the waveform timing of the clock signal CK, and the time difference between the waveform timing of the second data signal P2 and the waveform timing of the clock signal CK. Based on the comparison result, the CPU 134 operates the automatic balance adjustment circuit 136 so that the time difference becomes the same value.
  • the CPU 134 lowers the sensitivity of the automatic sensitivity adjustment circuit 135 by one step to eliminate the effect of the radio noise.
  • the intruder's body touches the exterior surface of glass 51 As the distance approaches, the charge amount of the transparent conductive film 52 increases. The effect of the electric field generated on the surface of the transparent conductive film 52 is greater for the first detection electrode 123 disposed closer to the film 52 than for the second detection electrode 124. Because it is strongly affected, the capacitance between the first detection electrode 1 2 3 and the ground electrode 1 2 5 becomes larger than the capacitance between the second detection electrode 1 2 4 and the ground electrode 1 2 5 The circuit 130 outputs a detection signal.
  • the change in the charge amount of the transparent conductive film 52 due to a change in temperature or humidity is caused by the capacitance between the first detection electrode 123 and the ground electrode 125, and the second detection electrode 124.
  • ⁇ S is caused between the capacitances between the ground electrodes 125, the fluctuation of the charge amount gradually changes, and is canceled by the automatic balance adjustment circuit 136, and the detection circuit 313 0 does not malfunction.
  • each of the above embodiments a conductive film was used.
  • this conductive film is used.
  • a glass sensor can be formed without using it.
  • the end of the wire mesh exposed on the glass end face is connected to the detection circuit, and the glass sensor of the third embodiment and the fourth embodiment is transparent.
  • the wire mesh inside the glass 14 is grounded and used as a shield electrode.
  • the glass sensor according to the present invention is applicable to a glass door or a glass window provided in an opening of a building as a security device, and is not limited to glass provided in an opening of a building.
  • the present invention can be applied to a glass showcase for display.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

L'invention porte sur un détecteur monté sur verre économique et fiable ne nécessitant pas de courant pour produire un champ électrique et comprenant: un film (3) conducteur transparent fixé sur un verre (2), un cadre (5) à la masse (5) portant le verre sur tout ou partie de sa périphérie, un support (4) isolant le film (3) du cadre (5) et un circuit de détection des variations de capacité entre le film (3) et le cadre (5).
PCT/JP2000/004492 1999-07-09 2000-07-06 Detecteur monte sur verre WO2001004857A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU58486/00A AU5848600A (en) 1999-07-09 2000-07-06 Glass-mounted sensor
CA002377495A CA2377495A1 (fr) 1999-07-09 2000-07-06 Detecteur monte sur verre

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11/228788 1999-07-09
JP22878899 1999-07-09

Publications (1)

Publication Number Publication Date
WO2001004857A1 true WO2001004857A1 (fr) 2001-01-18

Family

ID=16881870

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/004492 WO2001004857A1 (fr) 1999-07-09 2000-07-06 Detecteur monte sur verre

Country Status (3)

Country Link
AU (1) AU5848600A (fr)
CA (1) CA2377495A1 (fr)
WO (1) WO2001004857A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007219596A (ja) * 2006-02-14 2007-08-30 Toppan Printing Co Ltd フィルムセンサ及びガラス構造物
JP2007304689A (ja) * 2006-05-09 2007-11-22 Toppan Printing Co Ltd フィルムセンサ及びガラス構造物
JP2007323121A (ja) * 2006-05-30 2007-12-13 Toppan Printing Co Ltd センサ
JP2008046081A (ja) * 2006-08-21 2008-02-28 Toppan Printing Co Ltd 物体検知システム
JP2008046070A (ja) * 2006-08-21 2008-02-28 Toppan Printing Co Ltd 物体検知システム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS638896A (ja) * 1986-06-27 1988-01-14 ナショナル住宅産業株式会社 防犯装置
JPH0341596A (ja) * 1989-07-10 1991-02-22 Central Glass Co Ltd ガラス破損検出装置
JPH0894762A (ja) * 1994-09-21 1996-04-12 Kooshiyoo:Kk 人体検知装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS638896A (ja) * 1986-06-27 1988-01-14 ナショナル住宅産業株式会社 防犯装置
JPH0341596A (ja) * 1989-07-10 1991-02-22 Central Glass Co Ltd ガラス破損検出装置
JPH0894762A (ja) * 1994-09-21 1996-04-12 Kooshiyoo:Kk 人体検知装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007219596A (ja) * 2006-02-14 2007-08-30 Toppan Printing Co Ltd フィルムセンサ及びガラス構造物
JP2007304689A (ja) * 2006-05-09 2007-11-22 Toppan Printing Co Ltd フィルムセンサ及びガラス構造物
JP2007323121A (ja) * 2006-05-30 2007-12-13 Toppan Printing Co Ltd センサ
JP2008046081A (ja) * 2006-08-21 2008-02-28 Toppan Printing Co Ltd 物体検知システム
JP2008046070A (ja) * 2006-08-21 2008-02-28 Toppan Printing Co Ltd 物体検知システム

Also Published As

Publication number Publication date
CA2377495A1 (fr) 2001-01-18
AU5848600A (en) 2001-01-30

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