Circular luminous alarm for vehicles such as police and fire related uses ambulancias

• 1. 救护车辆及用于提供救护车辆的方法 [P] . 中国专利： CN112869963A . 2021-06-01
• 2. 一种车辆遇火后智能报警器 [P] . 中国专利： CN208092898U . 2018.11.13
• 3. installation at the premises of public security (police, state police, the guardia di finanza; fire brigade; municipal police) of central computer in order to link operational.concentration and management of electronic burglar alarm used by civilians and private [P] . ITNA950057V0 . 1995-11-27

  机译： 在公共安全场所（警察，州警察，金融卫队，消防队，市政警察）安装中央计算机，以链接操作。集中和管理平民和私人使用的电子防盗警报器

• 4. Device for transmitting alarm signals from police, fire brigade and ambulance vehicles to road users [P] . DE202021105840U1 . 2021-11-29

  机译： 用于将警报信号从警察，消防队和救护车传输到道路使用者

• 5. Rotating flashing alarm lamp e.g. for police and fire-fighting vehicles [P] . 德国专利： DE19606363A1 . 1997-08-28

  机译： 旋转的闪烁警报灯，例如用于警察和消防车

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• 3. Infrared Fire Alarm for Vehicle Protection [C] . José Curva, Miguel Lourenço, Nuno Paulino, International Young Engineers Forum . 2020
• 4. "Fire Alarms" Revisited: Limitations for Effectuating Institutional Change and the Promise of "Police Patrols" [D] . Cohn, Benjamin. 2016
• 5. Low Power Wireless Smoke Alarm System in Home Fires [O] . Juan Aponte Luis, Juan Antonio Gómez Galán, Javier Alcina Espigado 2015
• 6. The municipal telegraph network: origins of the fire and police alarm systems in American cities [O] . Joel A. Tarr 1992

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