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1. 发明授权

US11472333B1 Searchlight control systems and methods for moving a beam of light emitted by a searchlight on a mobile platform at a constant ground speed 有权
公开(公告)号：US11472333B1
公开(公告)日：2022-10-18
申请号：US17320531
申请日：2021-05-14
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Sunit Kumar Saxena , Abhijit Kulkarni , Kartik Brahmbhatt
IPC分类号： B64D47/02 , F21V14/02 , G01C3/00 , B60Q1/24 , F21S41/60 , F21W102/20 , F21W107/30
摘要： Systems and methods for moving an illumination spot of a searchlight beam at a constant groundspeed. The method includes receiving state data comprising an attitude for the mobile platform. The method computes an elevation angle, theta, of the beam as a function of the attitude, an elevation actuator angle and a known mounting orientation for the searchlight. Responsive to receiving a searchlight control command from a user input device, the method determines a respective rate of change of theta, dtheta/dt, and rate of change of Psi, dPsi/dt, required to maintain the constant groundspeed of the illumination spot, as a function of the state data. The method updates theta responsive to the determined dtheta/dt and generates actuator control commands for an elevation actuator based thereon. The method updates Psi responsive to the determined dPsi/dt, and generates actuator control commands for an azimuth actuator based thereon.

2. 发明授权

US10894613B2 Searchlight auto-land system 有权
公开(公告)号：US10894613B2
公开(公告)日：2021-01-19
申请号：US16208930
申请日：2018-12-04
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Shouvik Das , Sunit Kumar Saxena , Rafeek Sainudeen , Naman Rawal
IPC分类号： B64D47/02 , B64D45/04 , F21S8/00 , G08G5/02
摘要： Systems and methods for an auto-land system for a rotorcraft are provided. The system includes, a search light (SL) assembly configured to receive user input directing the SL to a point of interest (POI) and determine an actual SL orientation and an actual SL range to the POI; and, a searchlight controller operationally coupled to the search light assembly, and configured to: responsive to receiving a command to auto-land at the POI, begin (i) generating a desired trajectory from the rotorcraft actual orientation and rotorcraft actual range to the POI; (ii) generating guidance commands for navigating the rotorcraft in accordance with the desired trajectory; (iii) monitoring an actual SL range and an actual SL orientation; and (iv) generating controlling commands for the searchlight assembly in accordance with the coordinates of the POI.

3. 发明授权

US10830408B1 Lighting devices with variable beam patterns 有权
公开(公告)号：US10830408B1
公开(公告)日：2020-11-10
申请号：US16504106
申请日：2019-07-05
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Sunit Kumar Saxena , Anita Sure , Gowtham Kumar Vankayala , Newel Stephens , Craig Giffen
IPC分类号： F21S41/65 , F21S41/20 , F21S41/148 , F21S41/32 , B64D47/06 , B64D47/04 , H05B45/10 , F21Y115/10
摘要： A lighting device including a plurality of light-emitting semiconductor devices. The light-emitting semiconductor devices are separated into at least two subgroups. The lighting device further includes a plurality of optics separated into at least two subgroups, which are arranged relative to the plurality of light-emitting semiconductor devices such that each one of the plurality of light-emitting semiconductor devices of a first subgroup is located at a focal point of a respective optic of a first subgroup of the plurality of optics, and such that each one of the plurality of light-emitting semiconductor devices of a second subgroup is located at a focal point of a respective optic of a second subgroup of the plurality of optics. The optical properties of the first subgroup and second subgroup of the plurality of optics are different. The lighting device further includes a controller module configured to control at least two current signals supplied from a power source to each of the at least two subgroups of light-emitting semiconductor devices, respectively. The controller module is configured to modify the beam width and the peak intensity of the emitted beam of light by varying the magnitude of the respective at least two current signals.

4. 发明申请

US20160161120A1 INDUCTIVE START AND CAPACITIVE SUSTAIN IGNITION EXCITER SYSTEM 审中-公开
公开(公告)号：US20160161120A1
公开(公告)日：2016-06-09
申请号：US15045322
申请日：2016-02-17
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Sunit Kumar Saxena , Deepak Pitambar Mahajan , Renukaprasad N , Srikant Varma Poosapati , Milan Rajne
IPC分类号： F23Q3/00
CPC分类号： F23Q3/006 , F23Q3/00
摘要： An ignition exciter system includes an igniter, a step-up transformer, a switch device, and a spark-sustain capacitor. The igniter has a spark gap across which a spark may be generated. The step-up transformer has a primary winding that is adapted to selectively receive direct current (DC) from a DC source, and a secondary winding that is coupled to the igniter. The switch device is coupled to the primary winding and is configured to selectively operate in an ON state, in which DC may flow through the primary winding, and an OFF state, in which DC may not flow through the primary winding. The spark-sustain capacitor is coupled to the igniter and is configured to charge from a DC source when the switch device is operating in the ON state, and at least selectively discharge across the spark gap when the switch device is operating in the OFF state.

5. 发明申请

US20220031897A1 APPARATUS AND METHOD FOR ULTRAVIOLET (UV) LIGHT SANITIZATION OF AN AIRCRAFT 有权
公开(公告)号：US20220031897A1
公开(公告)日：2022-02-03
申请号：US17017043
申请日：2020-09-10
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Sunit Kumar Saxena , Stephen F. Yates
IPC分类号： A61L2/26 , A61L2/10 , B64F5/30 , B64D45/00
摘要： Mobile apparatus and methods for ultraviolet (UV) light sanitization of an aircraft. The mobile apparatus generally comprises a mobile platform, such as a trolley, that has integrated therewith circuitry and devices that control and actuate ultra-violet C-spectrum (UV-C) light sources that are mechanically coupled to the trolley. The proposed mobile apparatus includes a controller that receives input from an operator and, optionally, from dosimeters mounted on the proposed system and/or within the aircraft. Based on the inputs received, the controller provides guidance to the operator in the form of alerts and messages, as well as automatically adjusting components of the mobile apparatus to adapt itself to a specific aircraft type.

6. 发明申请

US20200309537A1 SEARCHLIGHT UNIT WITH TERRAIN MAPPING CAPABILITY 审中-公开
公开(公告)号：US20200309537A1
公开(公告)日：2020-10-01
申请号：US16366016
申请日：2019-03-27
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Abhijit Kulkarni , Sunit Kumar Saxena , Kartik Brahmbhatt , Gokul Murugesan , Deepak Bhimrao Mahajan , Senthil Kumar S
IPC分类号： G01C21/32 , G01S19/45
摘要： Systems and methods for using a searchlight unit to obtain elevation information about a point of interest are disclosed herein. The searchlight unit comprises an illumination source, a distance measurement system and an actuator for positioning the illumination source and for positioning the distance measurement system toward the point of interest. The searchlight unit also includes a global navigation satellite system and an inertial measurement unit for obtaining position and orientation information about the searchlight unit.

7. 发明申请

US20160118784A1 NON-ISOLATED POWER SUPPLY OUTPUT CHASSIS GROUND FAULT DETECTION AND PROTECTION SYSTEM 有权
标题翻译：非隔离电源输出接地故障检测和保护系统
公开(公告)号：US20160118784A1
公开(公告)日：2016-04-28
申请号：US14521688
申请日：2014-10-23
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Sunit Kumar Saxena , Deepak Bhimrao Mahajan , Tarak Saha , Anand Vivek Ravi
IPC分类号： H02H3/08 , H02M3/04
CPC分类号： H02H3/08 , H02M1/32 , H02M3/04 , H02M3/1582
摘要： A non-isolated power supply is configured to receive an input voltage and supply an output voltage, and includes a supply line, a return line, a first semiconductor switch coupled in series in the supply line, and a second semiconductor switch coupled in series in the return line. The first and second semiconductor switches are each configured to operate in an ON state and an OFF state. The differential current sensor is configured to sense differential current between the supply line and the return line. The fault detection logic is coupled to the differential current sensor, the first semiconductor switch, and the second semiconductor switch, and is configured to detect when the differential current exceeds a predetermined current magnitude, and command the first and second semiconductor switches to operate in the OFF state upon detecting that the differential current exceeds the predetermined current magnitude.
摘要翻译：非隔离电源被配置为接收输入电压并提供输出电压，并且包括供应线，返回线，串联耦合在供应线中的第一半导体开关，以及串联耦合的第二半导体开关返回线。第一和第二半导体开关各自被配置为在ON状态和OFF状态下操作。差分电流传感器被配置为感测电源线和返回线之间的差分电流。故障检测逻辑耦合到差动电流传感器，第一半导体开关和第二半导体开关，并且被配置为检测差分电流何时超过预定电流大小，并且命令第一和第二半导体开关在在检测到差动电流超过预定电流大小时，断开状态。

8. 发明授权

US11524795B2 Architecture and method for aircraft lighting system using a centrally located red, green, and blue (RGB) light source subsystem and a plurality of distributed passive light-heads 有权
公开(公告)号：US11524795B2
公开(公告)日：2022-12-13
申请号：US17093776
申请日：2020-11-10
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Sunit Kumar Saxena , Anita Sure , Gowtham Vankayala
IPC分类号： B64D47/06 , B60Q1/00 , B60Q1/38 , F21S43/13 , F21W107/30 , F21Y115/30
摘要： Systems and methods for an aircraft lighting system (ALS) are provided. The method includes co-locating a central light source subsystem including a blue light generator, red light generator, and green light generator, and a light generating control unit (LGCU) comprising a processor, and distributing a plurality of passive light-heads around an external surface of the aircraft. Each passive light-head of the plurality of passive light-heads is operationally coupled to a first side of a respective light switch of a respective plurality of light switches, the light switch being coupled on a second side to a light emitting output of the central light source subsystem. Controlling and actuating the light generators and the light switches in accordance with a load profile is performed by a light generating control unit (LGCU).

9. 发明申请

US20220260996A1 METHODS AND SYSTEMS FOR SEARCHLIGHT CONTROL FOR AERIAL VEHICLES 有权
公开(公告)号：US20220260996A1
公开(公告)日：2022-08-18
申请号：US17223137
申请日：2021-04-06
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Gobinathan Baladhandapani , Hariharan Saptharishi , Sivakumar Kangarajan , Sunit Kumar Saxena
IPC分类号： G05D1/00 , G05D1/12 , G05D1/10 , B64D45/00 , G08G5/00
摘要： Systems and methods for controlling a searchlight mounted to an aerial vehicle. The systems and methods receive angular data representing a directional angle of a beam of the searchlight and location data representing a global location of the aerial vehicle from a sensor system of the aerial vehicle. The systems and methods determine coverage of the beam of the searchlight on ground based on the angular data and the location data. Based on the coverage of the beam, the aerial vehicle is controlled to change the global location, the display is controlled to depict the coverage of the beam on a map including historical coverage of the beam, and/or the searchlight actuator is controlled to adjust the direction of the beam.

10. 发明申请

US20210231277A1 ARCHITECTURE AND METHOD FOR AIRCRAFT LIGHTING SYSTEM USING A CENTRALIZED BLUE LIGHT SOURCE AND A PLURALITY OF DISTRIBUTED PASSIVE LIGHT-HEADS 有权
公开(公告)号：US20210231277A1
公开(公告)日：2021-07-29
申请号：US17094420
申请日：2020-11-10
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Sunit Kumar Saxena , Anita Sure , Gowtham Vankayala , William Tyson, III
IPC分类号： F21S41/16 , F21S41/176 , F21S43/16 , F21V23/04 , F21S41/24 , F21S43/237 , F21S43/243 , F21S43/247 , B64D47/06
摘要： Provided systems and methods for an aircraft lighting system (ALS) include a centralized blue generator that supplies blue light to a plurality (N) of passive light-heads distributed at various locations on the aircraft. A load profile for use of the N passive light-heads during all flight phases and operational phases is developed and uploaded into the system. Each of the passive light-heads is operationally coupled to the blue light generator via a respective light transmission element that is gated with a respective one of N light switches. A light generating control unit (LGCU) is coupled to the blue light generator, and controls the generation and actuation of blue light, in addition to controlling light switch positions, as a function of navigation data and the load profile. Each of the N passive light-heads comprises a respective light conversion element to convert the blue light into red, green, or white light.

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