{"title":"激光安全系统","authors":"I. Kolev, I.S. Stoeva","doi":"10.1117/12.563122","DOIUrl":null,"url":null,"abstract":"This report presents the development of single-beam barrier laser security system. The system utilizes the near infrared (IR) range λ=(850÷900)nm. The security system consists of several blocks: Transmitter; Receiver; Logical Unit; Indication; Power Supply. There are four individually software programmable security zones Z1 ÷ Z4. The control logic is implemented on a PIC16F84 MCU. The infrared beam is a pulse pack, coded and modulated in the transmitter with frequency of 36 kHz. The receiver demodulates and decodes the beam. The software for the MCU is developed along with the electrical circuits of the security system.","PeriodicalId":194489,"journal":{"name":"International Conference on Laser and Laser Information Technologies","volume":"108 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Laser security systems\",\"authors\":\"I. Kolev, I.S. Stoeva\",\"doi\":\"10.1117/12.563122\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This report presents the development of single-beam barrier laser security system. The system utilizes the near infrared (IR) range λ=(850÷900)nm. The security system consists of several blocks: Transmitter; Receiver; Logical Unit; Indication; Power Supply. There are four individually software programmable security zones Z1 ÷ Z4. The control logic is implemented on a PIC16F84 MCU. The infrared beam is a pulse pack, coded and modulated in the transmitter with frequency of 36 kHz. The receiver demodulates and decodes the beam. The software for the MCU is developed along with the electrical circuits of the security system.\",\"PeriodicalId\":194489,\"journal\":{\"name\":\"International Conference on Laser and Laser Information Technologies\",\"volume\":\"108 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2004-06-21\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Conference on Laser and Laser Information Technologies\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1117/12.563122\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Conference on Laser and Laser Information Technologies","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.563122","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
This report presents the development of single-beam barrier laser security system. The system utilizes the near infrared (IR) range λ=(850÷900)nm. The security system consists of several blocks: Transmitter; Receiver; Logical Unit; Indication; Power Supply. There are four individually software programmable security zones Z1 ÷ Z4. The control logic is implemented on a PIC16F84 MCU. The infrared beam is a pulse pack, coded and modulated in the transmitter with frequency of 36 kHz. The receiver demodulates and decodes the beam. The software for the MCU is developed along with the electrical circuits of the security system.
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