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This section provides an overview for photomicro sensors as well as their applications and principles. Also, please take a look at the list of 18 photomicro sensor manufacturers and their company rankings. Here are the top-ranked photomicro sensor companies as of January, 2025: 1.Depcom International, 2.wenglor sensoric LLC, 3.Darich Technology Co., Ltd..
Table of Contents
A photomicro sensor is a light-based device used to detect the presence, absence, and position of objects. As a form of optical sensor, they are notable for their small size and high sensitivity to light.
These sensors are compact, allowing easy integration into various devices, and enhancing both design and functionality. Their ability to detect light quickly makes them suitable for applications requiring rapid sensing. Additionally, they are effective in low-light environments, making them ideal for tasks like dark environment photography and environmental monitoring.
Photomicro sensors generally come in two types: transmission-type photointerrupters and reflection-type photoreflectors. They often utilize Infrared LEDs as light sources and are popular for their cost-effectiveness relative to their performance.
Due to their high sensitivity and compact design, photomicro sensors have a wide range of applications:
Used in digital and smartphone cameras, these sensors detect light and capture images, even in dim conditions, producing high-quality results.
Photomicro sensors are key in automotive driver assistance systems for monitoring ambient light, aiding in headlight control, and providing driving assistance. They automatically activate headlights in dark conditions and help detect surrounding vehicles and obstacles.
In the medical field, these sensors are integral in devices like endoscopes, aiding in internal body observations and surgeries. They also assist in diagnosing tissue conditions through optical property measurements.
Photomicro sensors detect light and convert it into electrical signals. When light hits the sensor, it is absorbed by the semiconductor material inside, generating an electrical charge. This charge conversion process captures information about the light's intensity and characteristics.
The semiconductor materials are typically sensitive to specific light wavelengths. When light enters the sensor, it excites electrons, which then move into the conduction band, creating a flow of electrical signals proportional to the light's intensity and characteristics.
Photomicro sensors are categorized into two types based on their operation:
These sensors emit light from one side and receive it on the other, also known as photo interrupters. They detect objects passing between the emitter and receiver, offering high accuracy due to their straightforward design.
Also known as photoreflectors, these sensors measure by reflecting light off an object. The amount of reflected light received varies with the object's position, allowing distance measurements.
*Including some distributors, etc.
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Wenglor Sensoric LLC is a supplier and manufacturer of smart sensor and image processing technologies and solutions. Established in 1983, the company is headquartered in Tettnang, Germany. The company's main activities encompass the design, manufacturing, and distribution of sensor solutions for automation and industrial applications such as Sensors, Machine Vision, Connection and Network Technology and Accessories. Wenglor Sensoric specializes in sensors for position, distance, color, and image recognition, catering to industries like automotive, packaging, and logistics. The company offers a range of services including technical support and consultation.
Panasonic Corporation of North America is a global sustainable technology solutions provider established in 1918 by Konosuke Matsushita. The company was established on the philosophy that "business is ultimately for the betterment of our society". The company offers electronic components and devices that support Electric Vehicle charging applications. Panasonic also offers a total suite of digital and automation technologies to the manufacturing sector including electronics assembly equipment and advanced robotics for industrial automation. The company has technology solutions for education, entertainment, media, and sports as well as energy and utilities.
TTI, Inc., a company founded in 1971, based in Fort Worth, Texas, USA, is a subsidiary of Berkshire Hathaway Inc. and a supplier of electronic components. The company provides a diverse range of goods including capacitors, resistors, connectors, switches, relays, circuit protection devices, electromagnetics components, discrete semiconductors, sensors, RF modules, and antennas. The aforementioned goods have been specifically engineered to offer clients with consistent, durable, and environmentally-friendly solutions. The preferred electronics distributor for our customers and suppliers, delivering the right parts exactly on time.
All Air Incorporated, founded in 1987 and located in Islandia, New York, is a distributor of pneumatic and electronic automation components. The company’s broad range of products includes valves, pneumatic actuators, electric motion control, compressors, and bearings. These products are used for controlling the flow of gases or liquids, controlling the movement of components, controlling and automating movement in electronic systems, generating compressed air, reducing friction, and allowing smooth rotation. The company caters to industries such as manufacturing, automotive, and aerospace.
Interworld Highway, LLC, established in 2000 and headquartered in Long Branch, New Jersey, is an authorized distributor of major brands of educational and testing equipment. The company operates as an e-commerce business with two sites: TEquipment and Touchboards. Some of its offerings include test equipment such as multimeters and ground testers, as well as HVAC instruments such as leak detectors and vacuum pumps. Its products are used in various applications, including electrical testing and research purposes.
Relay Specialties, Inc. is a distributor of industrial electronic components specializing in relays, switches, and other related products, located in New Jersey, United States. The company offers various kinds of relays, breakers and fuses, connectors, racks and cabinets, and fans and blowers. It also distributes power supplies, sensors, solenoids, and switches. The variants of its relays, alternating sequencing relays, have long mechanical and electrical durability and are suitable for separated extra low voltage applications.
Shinkoh Electronics, established in 1974, is a manufacturer and retailer of electrical semiconductor products based in Kanagawa, Japan. The company’s product portfolio is composed of photo reflectors, prism photo sensors, photo interrupters, and photo interrupter separator-type & actuator-type. Their products are used in various settings including in amusement machines, slot machines, and cash machines for object detection, button detection, coin/bill passing detection, barcode reading, and mark detection. They are also used in testing equipment and medical and analytical equipment for various mechanism detection, and cover & object detection.
Nanjing KJT Electric Co., Ltd., founded in 2009, is a sensor switch manufacturer specializing in sensors and industrial switches. Based in China, its tech products find applications in industrial mechanical equipment and automated assembly lines across industries such as transportation, plastics, metallurgy, chemistry, textiles, tobacco, food processing, and printing. Its solutions are about location verification, signal transmission, automatic counting, and velocimetry. its product line includes Micro switch, Laser ranging sensor, Magnetostrictive position sensor, Capacitive proximity sensor, High and low temperature proximity sensors, among others.
Autonics Corporation, established in 1977 and based in Busan, South Korea, is a developer and manufacturer of automation products, which are marketed worldwide. Some of its products include sensors, peripheral connection equipment, motion devices, control devices, and process automation instruments. The automation products are used in various industries, including automotive, packaging, machine tools, metal, and marine. The company has 12 international offices spanning over 100 countries, a fully automated warehouse system, and various international quality certifications, including RoHS, CE, UL, and EAC. Its safety products meet the functional safety standards IEC 61508 and mechanical safety standards ISO 13849.
Omron Corporation, started in 1933 and headquartered in Kyoto, Japan, is a manufacturer of automation components, equipment, and systems, and it developed the first contactless proximity switch in 1960. It has four domains, including industrial automation, electronic components, healthcare, and social systems, and it provides products and services in around 120 countries and regions. Some of its products include microsensing devices, access control systems, industrial robots, surveillance cameras, and blood pressure monitors. In 1971, it developed the first online cash machine, and in 1972, it established Japan’s first welfare factory.
Kodenshi Corp. is an ISO 14001 and IATF 16949-certified manufacturer of optical devices that was established in 1972 in Kyoto, Japan. The company’s product lineup includes photointerrupters for sensing motion or positioning, photodiodes for converting light into electrical currents, and phototransistors for amplifying currents generated by photodiodes. It also offers encoders for converting motion into digital signals, and photo couplers for noise reduction or signal isolation. The company’s products are commonly used within the private security and transportation sectors, and have additional applications in the automotive industry.
Lutonics Sdn Bhd, which is based in Puchong, Malaysia, is a supplier of electrical components and process automation devices throughout Malaysia. Some of its products include connectors/cables, I/O cables, sensor connectors, sensor distribution boxes, and sockets. The products can be used in several applications, including entertainment systems, construction sites, consumer electronics, security systems, and elevator systems. The company is an authorized distributor for the Autonics brand, which develops and manufactures a wide range of automation-related products, including sensors, control devices, motion devices, and control switches.
Ranking as of January 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Depcom International |
17.2%
|
| 2 | wenglor sensoric LLC |
13.8%
|
| 3 | Relay Specialties, Inc. |
10.3%
|
| 4 | Interworld Highway, LLC |
10.3%
|
| 5 | Darich Technology Co., Ltd. |
6.9%
|
| 6 | TTI, Inc. |
6.9%
|
| 7 | Dubai Sensor |
3.4%
|
| 8 | Gin Tai Instruments Co., Ltd. |
3.4%
|
| 9 | INOSAKI KK |
3.4%
|
| 10 | Lutonics Sdn Bhd |
3.4%
|
Derivation Method
The ranking is calculated based on the click share within the photomicro sensor page as of January 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
6 | 46.2% |
|
Japan
|
2 | 15.4% |
|
China
|
2 | 15.4% |
Taiwan
|
1 | 7.7% |
Singapore
|
1 | 7.7% |
|
Malaysia
|
1 | 7.7% |
183 products found - Page 3
183 products - Page 3
Unitech Co., Ltd.
30+ people viewing
Last viewed: 17 hours ago
The UI2488 is a dust-proof transparent photo IC sensor with a flat detection slit and an operation indicator that lights up when an object is detec...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 4 hours ago
UR1703 is a reflective photosensor that uses an ultraviolet light emitting diode and digital light reception. ■Features ・Digital output (voltage...
Unitech Co., Ltd.
30+ people viewing
Last viewed: 17 hours ago
UB1210 is a separate photosensor that uses an infrared light-emitting diode and a high-sensitivity phototransistor. ■Features ・Small and long-dis...
Unitech Co., Ltd.
50+ people viewing
Last viewed: 14 hours ago
UI2032 is a general-purpose transmissive photosensor that uses an infrared light emitting diode and photo IC. ■Features ・3mm gap general-purpose ...
Unitech Co., Ltd.
30+ people viewing
Last viewed: 17 hours ago
UI1502-04 is a small transmission type photosensor with a flat detection slit and dust-proof structure. ■Features ・Dustproof structure that is le...
Takeya Brush Industry Co., Ltd.
30+ people viewing
This device can be used for approximately 45 minutes at 40V (BL4040). Approximately 237㎡ of working area is available. It has a reverse rotation c...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 3 hours ago
UR1706 is a reflective photosensor that uses an ultraviolet light emitting diode and a photodiode. ■Features ・Connector 3 pin type ・Ultraviolet ...
Unitech Co., Ltd.
30+ people viewing
Last viewed: 17 hours ago
UB1211 is a separate photosensor that uses an infrared light-emitting diode and a high-sensitivity phototransistor. ■Features ・Small and long-dis...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 17 hours ago
UI2033 is a general-purpose transmissive photosensor that uses an infrared light emitting diode and photo IC. ■Features ・3mm gap general-purpose ...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 14 hours ago
UI1503-04 is a small transmission type photosensor with a flat detection slit and dust-proof structure. ■Features ・Dustproof structure that is le...
Unitech Co., Ltd.
30+ people viewing
Last viewed: 1 day ago
UR1706-01 is a reflective photosensor that uses an ultraviolet light emitting diode and a photodiode. ■Features ・Connector 3 pin type ・Using ult...
Unitech Co., Ltd.
30+ people viewing
Last viewed: 17 hours ago
UB1212 is a separate photo sensor that uses an infrared light emitting diode and a photo IC. ■Features ・Long distance detection possible (1-100mm...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 17 hours ago
UI1402 is a small transmission type photosensor with a dust-proof structure and a flat detection slit. ■Features ・Dustproof structure that is les...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 14 hours ago
UI1512-04 is a small transmission type photosensor with a dust-proof construction and a flat detection slit. ■Features ・Dustproof structure that ...
Unitech Co., Ltd.
30+ people viewing
Last viewed: 1 day ago
The UR1707 is a reflective photosensor that detects fluorescence reflection using an ultraviolet light emitting diode and a photodiode, converts th...
Unitech Co., Ltd.
30+ people viewing
Last viewed: 17 hours ago
UB1213 is a separate photo sensor that uses an infrared light emitting diode and a photo IC. ■Features ・Long distance detection possible (1-100mm...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 14 hours ago
UI1403 is a small transmission type photosensor with a dust-proof construction and a flat detection slit. ■Features ・Dustproof structure that is ...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 4 hours ago
UI1513-04 is a small transmission type photosensor with a flat detection slit and dust-proof structure. ■Features ・Dustproof structure that is le...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 14 hours ago
The UR1707-01 is a reflective photosensor that detects fluorescent reflection using an ultraviolet light emitting diode and a photodiode, converts ...
Unitech Co., Ltd.
30+ people viewing
Last viewed: 17 hours ago
UB1217 is a long-distance separation type photosensor that uses an infrared light emitting diode and a light modulation photo IC. ■Features ・Smal...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 17 hours ago
UI1412 is a small transmission type photosensor with a dust-proof construction and a flat detection slit. ■Features ・Dustproof structure that is ...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 47 minutes ago
The UI2400-06 is a dust-proof transmission type photosensor that uses an infrared light emitting diode and a phototransistor. ■Features ・Phototra...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 14 hours ago
UR1100 is a retroreflective photosensor that uses an infrared light-emitting diode and a high-sensitivity phototransistor. ■Features - Transparent...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 1 day ago
UR1708 is a reflective photosensor that uses an ultraviolet light emitting diode and a phototransistor. ■Features ・Connector 3 pin type ・Ultravi...
Unitech Co., Ltd.
30+ people viewing
Last viewed: 17 hours ago
UB1250 is a separate photosensor that uses an infrared light-emitting diode and a high-sensitivity phototransistor. ■Features ・Small and long-dis...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 14 hours ago
UI1413 is a small transmission type photosensor with a flat detection slit and dust-proof construction. ■Features ・Dustproof structure that is le...
Unitech Co., Ltd.
30+ people viewing
Last viewed: 17 hours ago
UI2402-06 is a small transmission type photosensor with a dust-proof construction and a flat detection slit. ■Features ・Dustproof structure that ...
Unitech Co., Ltd.
30+ people viewing
Last viewed: 17 hours ago
UR1500 is a retroreflective photosensor that uses an infrared light-emitting diode and a high-sensitivity phototransistor. ■Features ・Ultra-compa...
Unitech Co., Ltd.
40+ people viewing
Last viewed: 29 minutes ago
UR1708-01 is a reflective photosensor that uses an ultraviolet light emitting diode and a phototransistor. ■Features ・Connector 3 pin type ・Ultr...
Unitech Co., Ltd.
20+ people viewing
Last viewed: 17 hours ago
UB1251 is a separate photosensor that uses an infrared light-emitting diode and a high-sensitivity phototransistor. ■Features ・Small and long-dis...
