Development of a megahertz ultrasonic oscillation control probe.

Ultrasound measurement and analysis can be easily performed with the ultrasound tester NA (10MHz oscilloscope type).

The Ultrasonic System Research Institute (located in Hachioji City, Tokyo) has developed the Ultrasonic Tester NA (100MHz oscilloscope type), which makes ultrasonic measurement and analysis easy. Features (Standard Specifications) - Measurement (Analysis) Frequency Range: 0.1Hz to 10MHz - Ultrasonic Oscillation: 1Hz to 1MHz - Capable of measuring surface vibrations - Continuous measurement for 24 hours - Simultaneous measurement of any two points - Display of measurement results in graph form - Attached software for time-series data analysis This is a measurement system using ultrasonic probes. The ultrasonic probe is attached to the target object for oscillation and measurement. The measured data is analyzed considering position, state, and elastic waves, detecting various acoustic performances.

• Other analytical equipment

Application technologies of <control, measurement, analysis, evaluation> using ultrasonic testers.

The Ultrasonic System Research Institute has developed a new ultrasonic characteristic evaluation technology using megahertz ultrasonic oscillation, based on the analysis results of ultrasonic data propagating on the surface of target objects. This method applies measurement and analysis technology for "sound pressure and vibration" controlled by ultrasonic probe oscillation. We provide consulting and evaluation technology explanations tailored to the development of ultrasonic probes suited to the target object's surface propagation vibration modes. This is an application of new ultrasonic oscillation control technology. By utilizing nonlinear phenomena related to megahertz ultrasonic propagation states that match the acoustic characteristics of the target object, it is possible to detect new features regarding the surface condition of the target object. In particular, it serves as a fundamental technology for surface inspection of substrate components and preliminary evaluation of precision cleaning parts, utilizing response characteristics derived from combinations of oscillation and reception, establishing new evaluation parameters for ultrasonic vibrations. By constructing and modifying a logical model based on the measurement, analysis, and evaluation of the dynamic characteristics of ultrasonic surface elastic wave propagation phenomena, we have enabled effective utilization tailored to the objectives (evaluation).

• Non-destructive testing
• Other measuring instruments
• others

---Optimization Technology for Ultrasonic Utilization---

The Ultrasonic System Research Institute provides the following services through its original products: ultrasonic systems (sound pressure measurement analysis, oscillation control). 1) Manufacturing and sales of ultrasonic systems (sound pressure measurement analysis, oscillation control) 2) Consulting services related to ultrasonic utilization technology << Manufacturing and Sales >> 1) Original product: Ultrasonic system (sound pressure measurement analysis, oscillation control) System overview (standard system): - Ultrasonic tester NA 10MHz type - Oscillation system 20MHz type Price: 281,050 yen (including tax: 10% consumption tax) 2) Degassing fine bubble generation liquid circulation device Device overview: - Magnetic pump (Iwaki Magnetic Pump MD series MD-70RZ) - Timer - Hose and others Price: 99,000 yen (including tax: 10% consumption tax) 3) Other (onsite support: delivery, installation, operation explanation, etc.) Consulting fees (Estimates will be proposed based on the conditions for onsite visits...)

• Other measuring instruments

Sound flow control technology

The Ultrasonic System Research Institute has developed ultrasonic cleaning technology that enables control of acoustic flow (ultrasonic propagation state) in the range of 1-100 MHz by utilizing a megahertz ultrasonic oscillation control probe for ultrasonic cleaners. This is a new application technology for precision cleaning, processing, and stirring, based on the measurement, analysis, evaluation, and technology of ultrasonic propagation states. It was developed as an application method for nonlinear phenomena through an engineering (experimental and technical) perspective on elastic waves and an abstract algebraic ultrasonic model. The key point is the use of tools (elastic bodies: metal, glass, resin). By confirming the propagation characteristics of ultrasonic waves based on the conditions of the target object, it is important to address it as an original nonlinear resonance phenomenon. Note 1: Original Nonlinear Resonance Phenomenon The resonance phenomenon of ultrasonic vibrations occurs when the generation of harmonics caused by original oscillation control is realized at high amplitudes through resonance phenomena. We believe that this technology can be utilized in various fields, and we are implementing proposals in various consulting services.

• Non-destructive testing
• Other measuring instruments
• others

Improvement process for ultrasonic propagation efficiency due to harmonics above 200 MHz.

The Ultrasonic System Research Institute has made it possible to control the nonlinear propagation state of ultrasound by measuring, analyzing, and controlling the propagation state of ultrasound and applying it as the acoustic characteristics of the target object. As a result, we have developed a technology that efficiently alleviates the residual stress on the surface of components and homogenizes the entire surface. With this technology to alleviate surface residual stress, we have improved fatigue strength against metal fatigue and achieved uniformity in various surface treatments. In particular, by considering the guided waves (surface elastic waves) of the target object in the setting and control of the ultrasonic propagation state, we have developed control methods, tools, and systems that realize effective dynamic changes in the target object as a certain range of stimuli that include nonlinear phenomena. We have confirmed a wide range of effects on various surfaces of metal parts, plastic parts, and powder materials. This technology is offered as a consulting service.

• Non-destructive testing
• Scientific Calculation and Simulation Software
• others

Sound flow control technology

The Ultrasonic System Research Institute has developed ultrasonic cleaning technology that enables control of acoustic flow (ultrasonic propagation state) from 1 to 100 MHz by utilizing a megahertz ultrasonic oscillation control probe in relation to ultrasonic cleaners. This is a new application technology for precision cleaning, processing, and stirring based on the measurement, analysis, evaluation, and technology of ultrasonic propagation states. By utilizing the acoustic properties (surface elastic waves) of various materials, ultrasonic stimulation to the target object can be controlled even in a 1000-liter tank with ultrasonic output below 20W. It was developed as an application method for nonlinear phenomena through an engineering (experimental and technical) perspective on elastic wave phenomena and an abstract algebraic model of ultrasound. The key point is the use of tools (elastic bodies: metal, glass, resin). By confirming the propagation characteristics of ultrasound depending on the conditions of the target object, it is important to address it as an original nonlinear resonance phenomenon (Note 1). Note 1: Original Nonlinear Resonance Phenomenon This phenomenon occurs due to the generation of harmonics resulting from original oscillation control, which is realized at high amplitudes through resonance phenomena, leading to ultrasonic vibration resonance.

• Water Treatment
• Other measuring instruments
• others

Surface inspection using ultrasonic oscillation from ultrasonic probes (oscillating type, measuring type, resonant type, nonlinear type).

The Ultrasonic System Research Institute has developed a new component inspection technology using megahertz ultrasonic oscillation, based on its track record of analyzing ultrasonic data propagating on the surface of target objects. This method applies the measurement and analysis technology of "sound pressure and vibration" through the control of original ultrasonic probe oscillation. We provide consulting and explanations of ultrasonic evaluation technology by developing ultrasonic probes tailored to the purpose (vibration modes propagating on the surface of target objects). This is an application of new ultrasonic oscillation control technology. By utilizing nonlinear phenomena related to megahertz ultrasonic propagation states that match the acoustic characteristics of the target object, it is possible to detect new features regarding the surface condition of the target object. In particular, this fundamental technology serves as a new evaluation parameter for ultrasonic vibration, utilized in surface inspection of substrate components and preliminary evaluation of precision cleaning parts, based on the response characteristics derived from combinations of oscillation and reception. By measuring, analyzing, and evaluating the dynamic characteristics of ultrasonic waves related to surface elastic wave propagation phenomena, we have enabled effective utilization tailored to the purpose (evaluation) by constructing and modifying logical models.

• Non-destructive testing
• Other measuring instruments
• others

- Technology for controlling low-frequency resonance phenomena and high-frequency nonlinear phenomena based on sound pressure measurement analysis and evaluation.

The Ultrasonic System Research Institute manufactures and sells an "Oscillation System (20MHz)" that allows for easy control of megahertz ultrasonic oscillation. System Overview (Ultrasonic Oscillation System (20MHz)) Contents (20MHz Type) - Two ultrasonic oscillation probes - One set of function generator - One set of operation manual (USB memory) Features (20MHz Type) - Ultrasonic oscillation frequency Specification: 20kHz to 25MHz (or 24MHz) - Output range: 5mVp-p to 20Vp-p - Sampling rate: 200MSa/s (or 250MSa/s) This system utilizes commercially available function generators. We will propose a quoted price with a function generator set according to your needs. Standard Reference Example Oscillation System 20MHz starting from 80,000 yen November 2024: Development of megahertz flow-type ultrasonic technology November 2024: Development of ultrasonic sound pressure data analysis and evaluation technology December 2024: Development of nonlinear oscillation control technology for ultrasonic probes January 2025: Development of megahertz flow-type ultrasonic system

• Non-destructive testing
• Vibration and Sound Level Meter
• others

Acoustic property test using ultrasound

The Ultrasonic System Research Institute offers custom-made ultrasonic probes that can control ultrasonic propagation states from 500 Hz to 900 MHz. We manufacture and develop original ultrasonic oscillation control probes tailored to specific purposes. The key point is the operational confirmation of the original probes. The responsiveness to dynamic changes in ultrasonic transmission and reception is the most important factor. This characteristic determines the range of applications for harmonics. Currently, we can accommodate the following ranges: Ultrasonic Probe: Outline Specifications Measurement Range: 0.01 Hz to 100 MHz Oscillation Range: 1 kHz to 25 MHz Propagation Range: 1 kHz to over 900 MHz Materials: Stainless steel, LCP resin, silicone, Teflon, glass, etc. Oscillation Equipment: Example - Function Generator By understanding the acoustic properties of metals, resins, glass, etc., we achieve propagation states tailored to specific purposes regarding sound pressure levels, frequencies, and dynamic characteristics through oscillation control. This is a new foundational technology for precision cleaning, processing, stirring, inspection, etc., based on measurement, analysis, and evaluation techniques for ultrasonic propagation states.

• Non-destructive testing
• Other measuring instruments
• others

We provide manufacturing technology and data analysis evaluation technology.

The Ultrasonic System Research Institute has developed manufacturing technology for ultrasonic probes that can control ultrasonic propagation states from 500 Hz to 100 MHz. Ultrasonic Probe: Overview Specifications Measurement Range: 0.01 Hz to 100 MHz Oscillation Range: 1 kHz to 25 MHz Propagation Range: 1 kHz to over 900 MHz Materials: Stainless steel, LCP resin, silicone, Teflon, glass... Oscillation Equipment Example: Function Generator By understanding the acoustic properties of metals, resins, glass, etc., we achieve propagation states tailored to specific purposes regarding sound pressure level, frequency, and dynamic characteristics through oscillation control. Online support is also available upon request. Ultrasonic Propagation Characteristics 1) Detection of vibration modes (changes in autocorrelation) 2) Detection of nonlinear phenomena (changes in bispectrum) 3) Detection of response characteristics (analysis of impulse response) 4) Detection of interactions (analysis of power contribution rates) Note: "R" is a free statistical processing language and environment autcor: Analysis of autocorrelation bispec: Analysis of bispectrum mulmar: Analysis of impulse response mulnos: Analysis of power contribution rates

• Non-destructive testing
• Other analytical equipment
• others

A system suitable for management and examination related to ultrasound, including oscillation, measurement, and analysis.

The Ultrasonic System Research Institute (Location: Hachioji City, Tokyo) manufactures and sells custom-made ultrasonic oscillation, measurement, and analysis systems suitable for the management and examination of ultrasonic propagation conditions. << Ultrasonic Oscillation Measurement and Analysis System >> A set that enables optimal ultrasonic cleaning "management" and "examination" by confirming the acoustic characteristics of parts from sound pressure management of ultrasonic cleaners. Ultrasonic Propagation Characteristics 1) Detection of vibration modes (changes in autocorrelation) 2) Detection of nonlinear phenomena (changes in bispectrum) 3) Detection of response characteristics (analysis of impulse response characteristics) 4) Detection of interactions (analysis of power contribution rates) Note: "R" is a free statistical processing language and environment. autcor: autocorrelation analysis function bispec: bispectrum analysis function mulmar: impulse response analysis function mulnos: power contribution rate analysis function

• Other measuring instruments
• others

Surface inspection technology utilizing ultrasonic transmission and reception characteristics.

The Ultrasonic System Research Institute has developed a new surface inspection technology using megahertz ultrasonic oscillation based on its track record of analyzing ultrasonic data propagating on the surface of target objects. This method applies measurement and analysis technology for "sound pressure and vibration" controlled by ultrasonic probe oscillation. We provide consulting and evaluation technology explanations tailored to the development of ultrasonic probes that match the target object's surface vibration modes. This is an application of new ultrasonic oscillation control technology. By utilizing nonlinear phenomena related to megahertz ultrasonic propagation states that correspond to the acoustic characteristics of the target object, it is possible to detect new features regarding the surface condition of the target object. In particular, by utilizing response characteristics from combinations of oscillation and reception, this fundamental technology serves as a new evaluation parameter for surface inspection of substrate components and pre-evaluation of precision cleaning parts. By measuring, analyzing, and evaluating the dynamic characteristics of ultrasonic waves related to the propagation phenomena of surface elastic waves, we have enabled effective use tailored to the objectives (evaluation) by constructing and modifying logical models.

• Non-destructive testing
• Other measuring instruments
• others

New ultrasonic dynamic control technology

The Ultrasonic System Research Institute has developed a completely new dynamic control technology for ultrasound using two function generators. This technology enables the control of ultrasonic nonlinear phenomena and resonance phenomena through different types of (sweep) oscillation using two different waveforms. By applying this technology, we are developing practical methods to relieve surface residual stress in components and various application technologies, and we provide consulting services. Standard settings: 1) Sweep oscillation control from 3 MHz to 20 MHz 2) Sweep oscillation control from 60 kHz to 13 MHz 3) Ultrasonic dynamic control using a 42 kHz 35W ultrasonic cleaner (realizing dynamic fluctuation-type ultrasonic propagation control) Note: Regarding the surface of the ultrasonic cleaner's tank, surface residual stress relief and uniform treatment are performed using an ultrasonic oscillation control probe and a degassing fine bubble generation liquid circulation device. As a result of the uniformization effect, ultrasonic control using harmonics above 200 MHz has been achieved.

• Vibration and Sound Level Meter
• Scientific Calculation and Simulation Software
• others

Technology for controlling nonlinear phenomena of ultrasound.

The Ultrasonic System Research Institute has developed a technology to control nonlinear ultrasonic phenomena by utilizing the interactions generated from simultaneously oscillating two types of ultrasonic probes from one oscillation channel of a function generator. (Note: Nonlinear (resonance) phenomena refer to the resonance phenomenon of ultrasonic vibrations that occurs due to the generation of harmonics resulting from original oscillation control, achieving high amplitudes through resonance.) By optimizing the ultrasonic propagation characteristics of various materials to suit specific purposes, efficient ultrasonic oscillation control becomes possible. Through the measurement and analysis of sound pressure data from ultrasonic testers, this system technology allows for the dynamic changes of surface elastic waves to be controlled according to their intended use. In practical terms, the use of multiple (two types of) ultrasonic probes for multiple (two types of) oscillations (sweep oscillation, pulse oscillation) generates complex vibration phenomena (original nonlinear resonance phenomena), achieving high sound pressure propagation states at high frequencies, or low frequency propagation states with high sound pressure levels tailored to the desired natural frequency.

• Non-destructive testing
• Vibration and Sound Level Meter
• others

Consulting support for the development of ultrasonic devices based on technology that controls surface acoustic waves through surface treatment of ultrasonic probe piezoelectric elements.

The Ultrasonic System Research Institute manufactures and sells ultrasonic systems utilizing the following original products: 1) Sound Pressure Measurement and Analysis System (Ultrasonic Tester) 2) Megahertz Ultrasonic Oscillation Control Probe 3) Ultrasonic Oscillation System (20 MHz type) Features of the Sound Pressure Measurement and Analysis System: Ultrasonic Tester 200 MHz type * Measurement (analysis) frequency range Specification: 0.01 Hz to 200 MHz * Capable of measuring surface vibrations * Continuous measurement for 24 hours * Simultaneous measurement of any two points * Display of measurement results in graph form * Includes software for time-series data analysis Overview Specifications of the Ultrasonic Probe Measurement range: 0.01 Hz to 200 MHz Oscillation range: 0.5 kHz to 25 MHz Propagation range: 0.5 kHz to over 900 MHz (confirmed and evaluated through analysis) Materials: Stainless steel, LCP resin, silicone, Teflon, glass, etc. Oscillation equipment example: Function generator Propagation Characteristics of the Ultrasonic Probe 1) Detection of vibration modes 2) Detection of nonlinear phenomena 3) Detection of response characteristics 4) Detection of interactions

• Non-destructive testing
• Other measuring instruments
• Other analytical equipment

An ultrasonic system that easily controls the oscillation of megahertz ultrasound—applying technology to evaluate the propagation characteristics of ultrasonic probes.

The Ultrasonic System Research Institute has developed a technology to control the nonlinear phenomena of surface elastic waves (ultrasonic vibrations) that propagate through the target object, using an original ultrasonic system (sound pressure measurement analysis, oscillation control). **Technology for Controlling Nonlinear Ultrasonic Vibration Phenomena** 1) Control setting technology that adjusts the oscillation output, waveform, and variations of the oscillation control using a function generator, tailored to the acoustic characteristics of the target object. 2) Manufacturing technology for an ultrasonic oscillation control probe that enables control of changes in ultrasonic oscillation voltage, including adjustments to the oscillation surface. 3) Manufacturing technology for an ultrasonic measurement probe that allows for the measurement of changes in ultrasonic vibrations at 100 megahertz, including adjustments to the oscillation surface. 4) Optimization technology for sweep oscillation conditions. Using the above technologies, we control (optimize) the propagation state of ultrasonic waves according to specific objectives. Note: The dynamic control of ultrasonic waves is performed based on the analysis and evaluation of sound pressure data related to nonlinear phenomena, considering the interaction between the acoustic characteristics of the target object and ultrasonic oscillation control. (Sound pressure measurement, analysis, confirmation, and evaluation are conducted using an ultrasonic tester.)

• Analysis and prediction system
• Other measuring instruments
• others

Technology to control low-frequency resonance phenomena and high-frequency nonlinear phenomena.

The Ultrasonic System Research Institute has developed technology to manufacture ultrasonic probes that can control ultrasonic propagation states from 500 Hz to over 500 MHz, tailored to specific applications. Ultrasonic Probe: Overview Specifications Measurement Range: 0.01 Hz to 200 MHz Oscillation Range: 1.0 kHz to 25 MHz Propagation Range: 0.5 kHz to over 900 MHz (confirmed through acoustic pressure data analysis) Materials: Stainless steel, LCP resin, silicon, Teflon, glass, etc. Oscillation Equipment: Example - Function Generator By understanding the acoustic properties of metals, resins, glass, etc., and through oscillation control, we achieve propagation states tailored to specific purposes regarding acoustic pressure levels, frequencies, and dynamic characteristics. This is a new foundational technology for precision cleaning, processing, stirring, and inspection based on measurement, analysis, and evaluation techniques for ultrasonic propagation states. By utilizing the acoustic properties of various materials, ultrasonic stimulation can be controlled for structures and machine tools weighing several tons, even in a 3000-liter water tank, with ultrasonic output below 20 W. It was developed as an application method for nonlinear phenomena through an engineering (experimental and technical) perspective on elastic waves and an abstract algebraic ultrasonic model.

• Water Treatment
• Other measuring instruments
• others

Development technology for ultrasonic probes and ultrasonic oscillation control systems - Aging treatment of piezoelectric elements.

The Ultrasonic System Research Institute has developed a technology to adjust the ultrasonic propagation characteristics of ultrasonic elements (piezoelectric elements) based on measurement, analysis, and evaluation results regarding the propagation state of ultrasound, utilizing ultrasonic systems (sound pressure measurement, oscillation control). To utilize the surface acoustic waves of ultrasonic elements (piezoelectric elements) according to specific purposes, special surface treatments are performed on the element surface. It allows for adjustments to the sound pressure level and frequency range of the propagating ultrasound. By realizing dynamic ultrasonic propagation control through the combination of ultrasound (oscillation control) and surface acoustic waves, it has evolved into an adjustment technology based on the characteristics derived from the analysis of sound pressure data. The key point is the optimization of oscillation conditions (waveform, output, frequency, variations, etc.) that enables efficient control of nonlinear phenomena caused by surface acoustic waves. As specific technologies mentioned above, we provide consulting services for system technologies that control nonlinear phenomena (bi-spectral) resulting from the interaction of ultrasound with tanks and tools, tailored to specific purposes (cleaning, stirring, processing, welding, surface treatment, stress relief treatment, inspection, etc.).

• Analysis and prediction system
• Scientific Calculation and Simulation Software
• others

An article has been published about the case of introducing the expense reimbursement system "Rakuraku Seisan" at TSP Corporation. ~ In the case of TSP ~ Before the introduction, there were challenges such as dealing with the "paper" sent from various locations and the reliance on specific individuals for the tasks. After the introduction, the input and checking of FB data, which used to take 2 to 3 hours, can now be completed in just 5 minutes. Additionally, the mindset of the accounting department, which was previously reliant on manual entry, has changed. [Case Overview] ■ Challenges before introduction - Dealing with "paper" sent from various locations, reliance on specific individuals ■ Key points of introduction - A robust support system for setup and operation - Easy to start from a small scale both financially and functionally *For more details, please refer to the related links or feel free to contact us.

The facility operating the nurse call system has made the bed exit sensor wireless, allowing it to notify in conjunction with the nurse call. By simply connecting the mat sensor "Foldable Thin Matt-kun," the body movement call "Ugo-kun," and the wheelchair body movement call "Ayumi-chan" to the transmitter HB-RS, you can make the bed exit sensor wireless. The infrared sensor "Just Place Pole-kun" has the transmitter HB-RS built-in. 【Features】 ○ Wireless conversion by simply connecting existing sensors to the transmitter HB-WSK. ○ The bed exit sensor notifies wirelessly in conjunction with the nurse call. ○ Up to 5 transmitters can be registered with one receiver. ○ The communication distance between the transmitter and receiver is approximately 10 meters. ◎ For more details, please contact us or download the catalog.

Full and empty management refers to the real-time display of parking availability and the management of efficient use of parking spaces. By utilizing Hotron's sensors, drivers can quickly discover available parking spaces, achieving efficient parking lot operations. ■ For large parking lots, the "floor management method" and "block management method," which focus on cost reduction, are recommended. Sensors are installed at regular intervals to count the number of vehicles passing through. This method offers the advantage of easy installation and low costs. 【Target Products】 - Vehicle Count Sensor CCS2 - Ultrasonic Sensor HM-UX2/UW2 ■ For smaller scale operations, the "space management method," which installs sensors in each parking space to display availability with high accuracy, is recommended. By ensuring accurate full and empty displays, it helps prevent unnecessary entry of new vehicles and enables safe parking lot operations. 【Target Products】 - Occupancy Detection Sensor HM-UX2/UW2 - Occupancy/Pass Detection Sensor HM-LC6 - Occupancy Detection Sensor HM-LC7/LC7-FLS - Occupancy/Pass Detection Sensor HM-S6 - Occupancy Detection Sensor HM-S8

The non-contact beam touch sensor "HA-T401/HA-T520" has a compact detection range, making it an ideal automatic door sensor for installation on automatic doors facing narrow corridors or busy streets. Depending on the application and installation location, you can choose between "non-vision mounting type" and "non-vision built-in type." 【Features】 ● With the beam touch sensor, you can open and close the automatic door simply by bringing your hand close without touching it, ensuring hygiene. ● Depending on the installation environment, such as single sliding or bi-parting doors, the detection range can be set in four configurations: left, center, right, and a total of 12 spots. ● Two types of activation row settings are available to reduce unnecessary opening and closing of the automatic door due to cross traffic, contributing to energy-saving effects. ● The touch switch and infrared sensor are integrated, allowing for a switch between beam touch and infrared sensor with a single model. 【Recommended for such locations!】 ☑ Entrance facing a busy corridor ☑ Counter or sign near the door ☑ Buildings facing narrow corridors ☑ Buildings that prioritize aesthetics ☑ Hospitals and facilities that consider hygiene ☑ Large facilities with many doors ◎ For more details, please download the materials or contact us.

Japan is one of the top 10 countries in the world with frequent earthquakes. The 2020 White Paper on Land, Infrastructure, Transport and Tourism has also reported an increase in the probability of major earthquakes occurring. Regarding the Nankai Trough earthquake, the probability of an earthquake with a magnitude of 8 to 9 occurring within the next 30 years is estimated to be 70 to 80%. At Hotron, we recommend the introduction of seismic devices for earthquake countermeasures in buildings and equipment. The seismic device 'HK-2' is a product that automatically performs various controls that have been pre-set when it detects strong shaking equivalent to a seismic intensity of 5 lower or higher. For example, it can automatically execute actions such as: "Open automatic doors and gates to secure evacuation routes and access for emergency vehicles" "Transmit signals to the control room and stop facility equipment" "Unlock the keys to locked lockers" "Automatically play voice guidance" For more details, please download the materials or contact us.