Tsubosaka Electric Co., Ltd. List of Products and Services

----------------Notice of Production Suspension-------------- As of May 1, 2020, we have suspended production due to various circumstances. Please consider the successor model LSB-111WCRI. ---------------------------------------------------- The 'LSB-100M/B' is a halogen brightness box that allows for color temperature switching. It was developed for the adjustment of cameras, digital cameras, CCD cameras, and various sensors. It achieves performance close to the LSB-111BAT2 at a low price. Additionally, the required brightness values for checks can be set continuously by manual operation up to LV4-17 (A light source). 【Features】 ■ Manual adjustment of brightness values while viewing the display ■ Achieves performance close to the LSB-111BAT2 at a low price ■ Color temperature switching available *For more details, please refer to the PDF materials or feel free to contact us.

The "LSB-1-10T2" is a brightness box that can accommodate changes in color temperature. It features a point light source that outputs stable brightness. Fine adjustments to brightness can be made using lamp voltage. Additionally, it is compact and lightweight, allowing for use in various locations. 【Features】 ■ A point light source that outputs stable brightness ■ Fine adjustments to brightness are possible ■ Compact and lightweight, suitable for any location ■ Supports changes in color temperature *For more details, please refer to the PDF document or feel free to contact us.

It is a surface-emitting device using near-infrared LEDs. It emits light at peak wavelengths outside the visible range, such as 860nm and 950nm.

This device is a diffuse surface light source for inspecting the brightness instructions or exposure amounts of cameras, such as digital cameras. This allows for the adjustment and alignment of the camera's sensitivity. By incorporating a brightness monitor inside, it continuously outputs a stable brightness value. Through numeric keypad input, the brightness can be freely varied from a low brightness of 2.5 cd/m² to a maximum brightness of 18,334 cd/m² (LV4 to V17) across 131 points. Additionally, it can be externally controlled via RS232C. Since the light source unit and control unit are separate, it can be used according to the convenience of tasks such as environmental measurements. Please utilize this for maintaining high quality. (The integrated models are LSB-111BAT and LSB-111/B) *Customization of special specifications such as brightness values, color temperature, and brightness area is possible. Please consult us once.

The "FCV-10CRI" is a flicker reproduction light source that allows you to set the lighting frequency and duty ratio. It reproduces lighting at 50Hz and 60Hz for half-wave rectified East Japan and West Japan, as well as 100Hz and 120Hz for full-wave rectified lighting. Additionally, it can be set to even higher frequencies, up to a maximum of 1500Hz. 【Features】 ■ Frequency and duty can be set arbitrarily ■ Can be used as a DC light source when not lighting at frequency ■ Lighting can also be done using an external pulse generator ■ Uses high color rendering white LEDs with Ra=97 ■ Reproduces lighting environments affected by voltage flicker *For more details, please refer to the PDF document or feel free to contact us.

The "LSB-2LEDTS" is a camera calibration light source with a brightness surface of Φ20mm size and over 98% high uniformity. The light source uses white LEDs, ensuring long life and stability. Additionally, it is continuously lit, eliminating any flicker in the light. 【Features】 ■ 3-point brightness switching ■ Color temperature 5500±500K ■ Brightness variation below 2% ■ Brightness surface Φ20mm ■ Constant current lighting ■ Long lifespan of approximately 20,000 hours *For more details, please refer to the PDF document or feel free to contact us.

1: This is a light source that can output finely from low brightness to high brightness. 2: Thanks to internal automatic correction, it consistently outputs stable brightness, eliminating the need for regular maintenance. 3: This light source has high brightness uniformity (low brightness variation), making it ideal for various calibrations, adjustments, and inspections as a standard light source. 4: External control is possible via serial communication. 5: By connecting to our luminance meter (LC-5), it is possible to calibrate the internal brightness sensor of the light source, simplifying the maintenance of the luminance box.

The "LSB-111-4C2" is a four-color temperature switching light source developed for the inspection of digital cameras. The brightness can be set arbitrarily over a wide range using a servo system with variable aperture. The light source lamp uses a halogen lamp, and since it cuts infrared rays, it keeps the temperature rise on the brightness surface low even at high brightness. 【Features】 ■ Automatic switching between four color temperatures ■ Outputs highly uniform brightness over a 100mm x 100mm area ■ Stable brightness output with light quantity feedback control ■ Fine brightness adjustments possible with a numeric keypad and external communication control *For more details, please refer to the PDF document or feel free to contact us.

The "LSB-111XE4" is a brightness box that uses xenon lamps. It can reproduce stable brightness through light quantity feedback control. It features a spectrum that approximates natural daylight. Additionally, it can be used under conditions without condensation at temperatures between 5 to 45°C and humidity below 80%, and automatic control via external communication is possible. 【Features】 ■ Uses xenon lamps ■ Spectrum approximating natural daylight ■ Can register set brightness in program memory (up to 99 points) ■ Automatic control via external communication is possible *For more details, please refer to the PDF materials or feel free to contact us.

This device is a diffuse light source for the adjustment and inspection of various sensors such as cameras, CCDs, and exposure meters. The brightness value can be set freely over a wide range via a numeric keypad input and is displayed. By adopting a light quantity servo system with variable aperture, it maintains good brightness stability over long periods, and brightness management and changes are easily achievable. Brightness can be selected in an arbitrary selection method (LV4.0 to 16.0, with a 0.001 LV pitch), a pitch variable method that allows for adjustment at any pitch (0.1 LV to 1.0 LV), and a memory selection method that can store and recall 99 arbitrary brightness levels. External control via RS-232C and other interfaces is possible. We also handle custom orders for special specifications, so please consult us.

We would like to introduce the "High Uniformity Integral Sphere Light Source LSBS-600CRI." It uses a φ600mm integral sphere with a high brightness output of 40,000 cd/m². With a size of 270×160mm, it has a brightness uniformity of ±1% or less, providing an ultra-high uniform brightness surface. Equipped with a brightness feedback control function, it maintains a consistently stable brightness. 【Features】 ■ Uses high color rendering LED (Ra97) ■ Ultra-high uniformity of over 96% ■ High brightness emission of over 100,000 lx ■ Flicker-free operation with constant current drive ■ Suitable for large transmission chart evaluation ■ Stable brightness reproduction possible with light quantity feedback control *For more details, please refer to the PDF document or feel free to contact us.

We can reproduce the light environment for vehicles during actual driving, including situations with tunnels, traffic lights, and signs, as well as under sunlight. For the international standard ISO 16505 or UN-R46 for automotive electronic mirrors (CMS), spot lighting, surface light sources, and chart lighting are required, and we will showcase products that comply with these specifications. [Exhibition Content (Excerpt)] ■ Standard light sources, surface light sources, brightness measurement ■ MTF measurement system ■ ToF evaluation system ■ Dynamic range evaluation, flicker evaluation, resolution evaluation ■ Ghost evaluation ■ Image plane illuminance ratio evaluation (peripheral light fall-off measurement), flare rate evaluation ■ UN-R46 / ISO 16505 CMS standard layout examples and compatible product list * We have practical applications of the ToF evaluation system using our products. * For more details, please refer to the PDF materials or feel free to contact us.

We will be exhibiting at the event collectively known as "Nepcon Japan," which will be held from January 15, 2020. We will showcase products that can be used with automotive sensors and cameras, including: - Pseudo sunlight lighting using high color rendering LEDs - Surface light sources that emit light with high uniformity and stable brightness - Light sources for dynamic range evaluation - Light sources that reproduce flicker conditions - Lighting and surface light sources for near-infrared sensors - Wide-angle lens measuring instruments We have a range of products that can be used for the evaluation and production management of automotive sensors in recent times.

We offer high-color-rendering compact LED viewers with excellent visibility, including the surface light source type 'VLB Series' and the lighting type 'SOL Series.' It is capable of emitting light close to sunlight at 6500K. It can be connected to PCs and other devices via USB, allowing for external control. 【Features】 ■ Uses ultra-high color rendering LEDs with Ra=97 ■ Brightness registration settings can be made, and switching operations can be performed with a button ■ Long lifespan and energy-saving ■ Some models are available for immediate delivery *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

The "LSB-111TWR420" is a diffuse light source used to inspect camera brightness indicators or exposure amounts, such as in digital cameras. It uses a high-wattage lamp and can emit light at 146,000 candela. The brightness value can be set widely and arbitrarily through a numeric keypad input, and it displays the brightness value. By adopting a light quantity servo system with adjustable aperture, it maintains good brightness stability over long periods, and brightness management and changes are easily achievable. 【Features】 ■ Emits light at 140,000 cd/m² ■ Arbitrary brightness setting via numeric keypad input ■ Light quantity feedback system ■ Brightness value is always stable and maintenance-free ■ Switchable display in LV and cd/m² units *For more details, please refer to the PDF document or feel free to contact us.

The "LSB-2922WCRI" is a wide brightness surface and high-brightness light source that allows multiple color temperatures to be set with a single unit. It can achieve high brightness output even at high color temperatures (such as 36,000 cd/m² at 6500K). You can set any desired brightness value using the numeric keypad input. Additionally, it boasts a consistently stable brightness value thanks to its brightness feedback control function. 【Features】 ■ Multiple color temperatures can be set with a single unit ■ High brightness output even at high color temperatures (such as 36,000 cd/m² at 6500K) ■ Any desired brightness value can be set using the numeric keypad input ■ Consistently stable brightness value due to brightness feedback control function ■ High brightness uniformity even over a wide brightness surface *For more details, please refer to the PDF document or feel free to contact us.

The "LSB-111RGB" is a brightness box that uses four types of LEDs—Red, Green, Blue, and White—as its light source. It can control the output ratio of RGB lighting, allowing for a wide range of colors to be reproduced. Additionally, it has built-in sensors for each color to maintain a constant intensity, and it can also light up using white LEDs. 【Features】 ■ Change to any color using RGB LEDs ■ Adjust brightness while keeping the color unchanged ■ RGB ratio is automatically corrected by individual sensors ■ Brightness 10–3500 cd/m² (depending on RGB ratio) ■ Capable of emitting light with white LEDs *For more details, please refer to the PDF document or feel free to contact us.

----------------Notice of Manufacturing Suspension-------------- As of May 1, 2020, we have suspended manufacturing due to various circumstances. Please consider the successor model LSB-111WCRI. ---------------------------------------------------- The 'LSB-111BAT2' is a diffuse surface light source used to inspect the brightness of cameras, such as digital cameras, or to measure exposure levels. The amount of light reaching the emitting surface from the lamp is controlled by an aperture. Additionally, by equipping an internal light sensor, it stabilizes brightness over long periods and simplifies routine maintenance tasks. Brightness can be selected at any desired level or changed at any pitch (0.1LV to 1.0LV). 【Features】 ■ Set any brightness level using the numeric keypad ■ Wide range of brightness settings ■ Brightness values are always stable ■ Supports communication control ■ Setting resolution LV0.001 ■ Color temperature can be switched electrically with a switch *For more details, please refer to the PDF document or feel free to contact us.

The "VLBH-30FBW2-CRI" is a hemispherical brightness surface light source that allows for automatic control via external communication. It uses high color rendering LEDs (Ra97). Stable brightness can be reproduced with light quantity feedback control. It can accommodate various requests such as brightness values, brightness surfaces, color temperature, and appearance arrangements. 【Features】 ■ Uses high color rendering LEDs (Ra97) ■ Φ30mm hemispherical brightness surface ■ Stable brightness can be reproduced with light quantity feedback control ■ Automatic control via external communication *For more details, please refer to the PDF document or feel free to contact us.

The "LSBS-310WCRI" is an LED light source that uses a 300mm diameter integrating sphere. It allows you to save and load custom settings with dedicated software. In addition to features such as arbitrary brightness settings and external control, it also includes extended functions like three color temperature selection settings. 【Features】 ■ Uses a 300mm diameter integrating sphere ■ Constantly stable brightness values due to brightness feedback control ■ Save and load custom settings with dedicated software ■ Spherical diffusion plate compatible with wide-angle lens evaluation *For more details, please refer to the PDF materials or feel free to contact us.

The "VLB-70LB-CRI" is a low-luminance viewing light source suitable for evaluating high-sensitivity cameras and similar applications. The light source uses ultra-high color rendering LEDs (Ra97). It can accommodate various requirements such as brightness values, luminance surfaces, color temperature, and appearance layout. 【Features】 ■ A low-luminance light source ideal for evaluating high-sensitivity cameras ■ Uses high color rendering LEDs (Ra97) ■ Luminance variation within ±5% ■ Automatic control via external communication *For more details, please refer to the PDF document or feel free to contact us.

The "VLB-10FBW2" is a viewer light source that uses ultra-high color rendering LEDs with switchable two colors. It automatically corrects with an internal sensor to maintain a stable brightness at all times. This is a globally marketed model compliant with CE marking. 【Features】 ■ Switchable color temperature between two colors ■ Automatic correction for constant brightness stability ■ Brightness switching and registration settings available ■ Supports low brightness ■ High color rendering LED Ra97 ■ CE marking compliant model *For more details, please refer to the PDF document or feel free to contact us.

The "VLB-3020FBW3-CRI" is a super high color rendering LED viewer that allows for brightness adjustment. It supports both 4:3 and 16:9 charts. In addition to two color temperature settings, it can also be calibrated with a separately sold brightness meter. 【Features】 ■ Uses high color rendering LEDs with Ra=97 ■ High uniformity across a wide brightness range ■ Brightness adjustment is possible ■ Two color temperature settings are available ■ Numerous options can be configured *For more details, please refer to the PDF materials or feel free to contact us.

The "LSB-1-1411FB" is a fixed-point brightness diffusion light source with a brightness area of 140mm × 110mm. It employs a feedback control system that constantly monitors and automatically adjusts brightness and color temperature. Additionally, it can emit light when equipped with evaluation charts such as grayscale charts. Its compact and lightweight design makes it suitable for manufacturing lines and similar applications. 【Features】 ■ Maintains constant brightness and color temperature ■ Independently adjustable brightness and color temperature ■ Brightness area of 140mm × 110mm ■ Color temperature approximating black body radiation trajectory ■ Includes chart guide *For more details, please refer to the PDF document or feel free to contact us.

The "VLB-3020FBC3-CRI" is an ultra-high color rendering LED light source with adjustable brightness function. It is designed with the intention of replacing the D company's (model SCV) fluorescent light source. It supports both 4:3 and 16:9 charts. In addition to two color temperature settings, it allows for self luminance calibration with a separately sold luminance meter LC-5. Luminance meter LC-5 information: https://pr.mono.ipros.com/en/tsubosaka/product/detail/2000688966/ 【Features】 ■ Uses high color rendering LEDs with Ra=97 ■ DC lighting with non-flicker for high uniformity ■ Brightness is adjustable ■ Two color temperature settings available: model VLB-3020FBWC-CRI ■ Options such as handles, different color temperature, size of brightness surface, etc. * The model that changes to PWM lighting and expands the brightness adjustment range is VLB-3020FBW3-CRI. https://www.tsubosaka.co.jp/english/archives/product/vlb-3020fbw3-cri * For more details, please feel free to contact us.

The "LSB-1010FB-CRI" is a culmination of the technology we have developed so far and can be considered a standard brightness box. In addition to the high uniformity of brightness and high color rendering required for brightness boxes, it is also equipped with a user interface that allows for more intuitive operation. 【Features】 ■ Uses high color rendering LEDs Ra=97 ■ DC lighting with no flicker for high uniformity across the surface ■ Allows for arbitrary frequency lighting using pulse mode, reproducing lighting environments affected by voltage flicker ■ Brightness adjustment is possible ■ Two systems for color temperature settings ■ Automatic brightness calibration ■ Numerous options and customizations available *For more details, please contact us or download the PDF materials.

【New Information】 In October 2020, we changed the model to improve operability! - Adoption of color LCD - Adoption of directional keys The 'LSB-1010FB-CRI' is a culmination of the technology we have developed so far and can be considered a standard brightness box. In addition to the high uniformity of brightness and high color rendering required for brightness boxes, it is also equipped with a user interface that allows for more intuitive operation. 【Features】 ■ Uses high color rendering LEDs Ra=97 ■ DC lighting with no flicker for high uniformity across the surface ■ Uses pulse mode for arbitrary frequency lighting and reproduction of illumination environments affected by voltage flicker ■ Brightness adjustment is possible ■ Two systems for color temperature settings are available ■ Automatic brightness calibration ■ Numerous options and custom settings available *For more details, please contact us or download the PDF materials.

The "LSB-1010WCRI" is a brightness box that can accommodate various inspection environments with its auxiliary functions such as pulse lighting, all in one unit. Recommended for those who develop and manage high-quality products in a short period. It widely supports customizations such as "expanding brightness range," "changing diffusion plates," "changing housing colors," and "creating control PC software." 【Features】 ■ Brightness change range: 16.5EV, equivalent to 92,000 times → 102dB ■ High brightness uniformity: 95% ■ Brightness feedback Gen.3 equipped ■ Direct setting of any brightness ■ Uses high color rendering LED Ra=97 *For more details, please refer to the PDF materials or feel free to contact us.

The "LSB-1010FB-CRI" is a culmination of the technology we have developed so far and can be considered a standard brightness box. In addition to the high uniformity of brightness and high color rendering required for brightness boxes, it is also equipped with a user interface that allows for more intuitive operation. 【Features】 ■ Uses high color rendering LEDs Ra=97 ■ DC lighting with no flicker for high uniformity across the surface ■ Allows for arbitrary frequency lighting using pulse mode, reproducing lighting environments affected by voltage flicker ■ Brightness adjustment is possible ■ Two color temperature settings are available ■ Automatic brightness calibration ■ Numerous options and custom settings available *For more details, please contact us or download the PDF materials.

The "LBR-244CRI" is a light source with the same color rendering properties as sunlight. It is designed to illuminate a board with a pattern called a chart, but it is also capable of illuminating three-dimensional objects. It allows for a correlated color temperature range of 2700K to 7500K. The surface illuminance has a high uniformity of ±5%. Outdoor evaluations are quantitatively assessed indoors. There are also extended features for changing maximum and minimum illuminance, adjusting the number of settings, and modifying the size of the illuminance area (e.g., A3 size). 【Features】 ■ Uses high color rendering LEDs ■ Four types of color temperature switching ■ Illumination light source for reflective charts ■ Four types of illuminance switching for uniform illumination *For more details, please refer to the PDF document or feel free to contact us.

This is a spectral reproduction light source using four types of white LEDs with different color temperatures and 26 types of monochromatic LEDs. It has built-in spectral properties, allowing for the measurement of current brightness, color, and spectrum, and it is also capable of reproducing spectra from data created in CSV format.

This is a diffusion surface light source that guarantees brightness (luminance), uniformity within the emission surface, and color tone (color temperature). The "Model: LSB-1010 series" allows for significant variations in luminance and color temperature, with high adjustment resolution. The "Model: VLB-10, 1411, 3020 series" has a compact housing size and can accommodate large emission surfaces. These can be used for development research purposes, production lines, and equipment integration. Regarding wavelength, there are high color rendering white LEDs with smooth spectral changes, and models that support near-ultraviolet and near-infrared up to 2000nm are also available.