Emergency citizens' band radio system
Patent 4418426 Issued on November 29, 1983. Estimated Expiration Date: 
December 11, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 11, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3566272 Personal radio station Transceiver test device CB Radio accessory unit Patent #: 4072900 InventorApplicationNo. 06/215448 filed on 12/11/1980US Classes:455/67.7, With indication (e.g., visual or voice signalling, etc.)455/573, Battery charging455/74, Convertible (e.g., to diverse art device)455/90.2Having particular configuration (e.g., C.B., or walkie-talkie) of a transceiverExaminersPrimary: Ng, Jin F.Attorney, Agent or FirmInternational ClassH04B 1/38 (20060101)AbstractAn emergency, CB radio system is disclosed which includes a base station adapter having a wall mounted slide mount for a mobile CB transceiver and an emergency power supply for supplying power to the CB transceiver, the emergency power supply including a rectifier for rectifying line voltage, an internal battery and charger, automatic switching means for switching the transceiver to the internal battery when the line voltage fails, and a jack for patching the transceiver to an external battery when the internal battery is discharged. The base station adapted also includes complete instrumentation for optimizing the performance of the transceiver and its associated antenna. The system further includes remote operating units for operating the transceiver via remotely located microphones and speakers, and a switching center interconnecting the remote operating units and the base station adapter. | |
