Technology

Unique photo sensors

Various sensing technology that we have developed over many years to achieve the wishes from the customers.

We will introduce the special feature cases of our sensors.

To eliminate the effects of dust and paper powder

Completely dust-proof type sensor. ~It will block the internal intrusion of dust and paper powder in a completely dust-proof structure.~

The structure of a completely dustproof sensor is made by a special designed package and a unique internal structure. It is possible to prevent entry of dust and paper powder into the interior.

Due to this technology, we became able to use it in extreme environment.

KI3865

  • Photo interrupter
  • Infrared light
  • 4mm gap

KB3390

  • Separate type photo sensor
  • Distance is selectable between the emitter and the detector.(1~100mm)
  • Snap-in mounting type.

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KB3820

  • Separate type photo sensor
  • Distance is selectable between the emitter and the detector.(1~100mm)
  • Screw mounting type

KB3830

  • Separate type photo sensor
  • Distance is selectable between the emitter and the detector.(1~100mm)
  • Small size, Low cost type

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3870

  • Separate type photo sensor
  • Distance is selectable between the emitter and the detector.(1~100mm)
  • Small size, Low cost type

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How can you detect small mark or barcode

Barcode Sensor – This type sensor can read by small spot light or bar light-

KR1226/1227/1228/1229 can make small spot light or bar light by specific
designed optical lens. By using this technology, these sensor can read small mark on the object which traditional sensor could not detect.
Moreover, these sensors can detect barcode and you can install these sensors into simplified bar code instrument.

KR1226

  • RED
  • Point light
  • flat surface of Sensor head covered by plastic.

KR1227

  • IR
  • Point light
  • flat surface of Sensor head covered by plastic.

KR1228

  • RED
  • Bar light
  • Cylindrical lens

KR1229

  • IR
  • Bar light
  • Cylindrical lens

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As all sensors is photo reflector combined LED and photo transistor, it is lower in cost as barcode sensor.

How can you detect fluorescent ink

UV Reflective sensor – This sensor can detect fluorescent inks or materials.

Ultra Violet light (UV) is invisible light by human eyes. In Fluorescent materials there are some materials which have a UV absorption characteristics. Absorbed UV light is converted to visible light and re-emitted.

This phenomenon is applied for fluorescent coating by black light and display by fluorescent ink.

Recently this theory is used for high technology application.
For instance, invisible barcode on post card, specific print on bill or passport for fake protection.

KR1570-AA/KR1571-AA is photo sensor which emits UV light and detect the fluorescent emission comes from object.
This sensor consists of UV LED and UV enhanced photo diode and is assembled with specific plastic lens.

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How can you detect remote object

2m detecting distance sensor. – 2m detecting distance between emitter and detector-

Shinkoh can provide the photo sensor which has 2m of detecting distance between emitter and detector(specification value).
KB890 is separate photo interrupter which has a customized light modulation circuit and lens.
This is available for human passing detecting, object detection or position sensor of automation line.
There are many variation.
With LED indicator for detection alarm, with adjustment of detecting level, DC5V operation. and so on.
Because of simple structure compared to traditional opto switch for long distance detection, we achieve high performance by low cost.

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How can you detect deeper object

deep slot interrupter – length of slot depth is 16.0mm-

KI3300,3700series has 16.0mm slot depth. It is available for detecting position set back far from object edge, or irregular figure. Or it is also useful to detect variable detecting position.
It can design to detect the multi-staged slit at your own idea.

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How can you detect large and wide object

Wide slot sensor – the length of slot width is 20mm-

KI1464 is a photo interrupter with wide slot of 20mm.
This is suitable for object which is wide or has big position variance.

In case of big instrument and object is separate from sensor, narrow gap type of Photo interrupter requires high accuracy of setting position.
As KI1464 has wider slot, it does not require higher accuracy than that of generic photo interrupter.
Therefore, engineer can design the installation tolerance or material by use of KI1464 easily.
For instance in counting object by photo interrupter, the guide tool is needed to prevent damaging of sensor or to move the object smoothly.
Engineer can design the guide tool by use of KI1464 easily.

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How can you mount sensor in accordance with application design

4 direction mounting type interrupter -to mount from 4 directions

KI1400 series and KI1600 series have 4 direction mounting tab.

Normally in case of using plural sensors in one application, more than two kind of sensors are necessary.
For example, in vending machine there are many function such as sensor for coin passing detection, sensor for counting the number of coins, sensor for counting coin organized by category, sensor for counting coin as change etc, Because each sensors have different function, the way of mounting sensors are also different. That is why more than two type of sensors are necessary.
KI1400 series and KI1600 series have 4 direction mounting tab which means that specific design is not necessary and member control is very easy by standardization sensors.

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