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1. 发明授权

US4553267A Infrared telephone extension modulation system 失效
标题翻译：红外线电话扩展调制系统
公开(公告)号：US4553267A
公开(公告)日：1985-11-12
申请号：US288735
申请日：1981-07-31
申请人： James W. Crimmins
发明人： James W. Crimmins
IPC分类号： H04M1/737 , H04B9/00
CPC分类号： H04M1/737
摘要： A portable telephone or other signaling system features a remote or portable unit responsive to operator voice and control signals to modulate infrared emitting diodes with narrowband, FM low duty cycle pulses which are received by a telephone network unit operative to demodulate the infrared signals, control the telephone network connection and to transmit and receive voice signals from the network. The portable unit utilizes narrowband FM pulse modulation to optimize the use of battery power. The portable unit further includes means for transmitting on-and-off hook indicia and dialing pulses with the same efficient, narrowband FM pulse modulation. The network base unit includes infrared receiving and decoding means in order to identify audio signals and apply them to the telephone network as well as to detect dial pulses and on-and-off hook indicia to process them for connecting and disconnecting the network unit to the telephone network. Audio signals from the telephone network are sent via a loudspeaker in the network unit to the region of the remote unit along with ring signals.
摘要翻译：便携式电话或其他信号系统具有远程或便携式单元，其响应于操作员的语音和控制信号来调制具有窄带FM低占空比脉冲的红外发射二极管，该低功率脉冲由操作来解调红外信号的电话网络单元接收，控制电话网络连接并从网络发送和接收语音信号。便携式单元利用窄带FM脉冲调制优化电池电量的使用。便携式单元还包括用于以相同的有效的窄带FM脉冲调制发送开启和关闭挂钩标记和拨号脉冲的装置。网络基本单元包括红外线接收和解码装置，以便识别音频信号并将其应用于电话网络，以及检测拨号脉冲和开启和关闭挂钩标记，以处理它们以将网络单元连接和断开到电话网络。来自电话网络的音频信号通过网络单元中的扬声器与振铃信号一起发送到远程单元的区域。

2. 发明授权

US5103108A Distributed infrared communication system 失效
标题翻译：分布式红外通信系统
公开(公告)号：US5103108A
公开(公告)日：1992-04-07
申请号：US584804
申请日：1990-09-18
申请人： James W. Crimmins
发明人： James W. Crimmins
IPC分类号： G03G5/082 , G03G5/10
CPC分类号： G03G5/08257 , G03G5/08221 , G03G5/08228 , G03G5/08235 , G03G5/08242 , G03G5/0825 , G03G5/10
摘要： A two way communication system is described wherein a base unit can transfer information with remotely-located unit such as a portable infrared communicator. The base unit produces carrier frequency signals to a plurality of distributed transmitter modules which expose different areas to infrared transmissions. A plurality of down-link or base unit associated infrared detection modules are distributed to receive infrared carrier frequency communications from one or more remote or portable units and convert these to electrical signals at the same carrier frequencies. The latter electrical signals are delivered to the base unit through a common cable. This cable also serves to deliver electrical power to the base unit to the latter modules. The electrical carrier frequency signals are combined at the base unit which uses this to provide the base unit with the information detected from the remote unit and produce a signal representative of the detected infrared energy. The latter signal may then be used to control the output power from the remote or portable units.
摘要翻译：描述了一种双向通信系统，其中基本单元可以利用诸如便携式红外通信器的远程定位单元传送信息。基本单元向多个分布式发射器模块产生载波频率信号，其将不同的区域暴露于红外线传输。多个下行链路或基站单元相关联的红外检测模块被分配以从一个或多个远程或便携式单元接收红外载波频率通信，并将它们转换成相同载波频率的电信号。后一种电信号通过公共电缆传送到基本单元。该电缆还用于向基本单元向后者模块提供电力。电载波频率信号在使用它的基本单元处组合，以向基站提供从远程单元检测到的信息，并产生表示检测到的红外能量的信号。后一个信号可以用于控制来自远程或便携式单元的输出功率。

3. 发明授权

US4977619A Distributed infrared communication system 失效
标题翻译：分布式红外通信系统
公开(公告)号：US4977619A
公开(公告)日：1990-12-11
申请号：US214181
申请日：1988-07-01
申请人： James W. Crimmins
发明人： James W. Crimmins
IPC分类号： G07C9/00 , H04M1/737
CPC分类号： G07C9/00111 , H04M1/737
摘要： A two way communication system is described wherein a base unit can transfer information with remotely-located unit such as a portable infrared commuicator. The base unit produces carrier frequency signals to a plurality of distributed transmitter modules which expose different areas to infrared transmissions. A plurality of down-link or base unit associated infrared detection modules are distributed to receive infrared carrier frequency communications from one or more remote or portable units and convert these to electrical signals at the same carrier frequencies. The latter electrical signals are delivered to the base unit through a common cable. This cable also serves to deliver electrical power to the base unit to the latter modules. The electrical carrier frequency signals are combined at the base unit which uses this to provide the base unit with the information detected from the remote unit and produce a signal representative of the detected infrared energy. The latter signal may then be used to control the output power from the remote or portable units.
摘要翻译：描述了一种双向通信系统，其中基本单元可以利用诸如便携式红外通信器之类的远程位置的单元来传送信息。基本单元向多个分布式发射器模块产生载波频率信号，其将不同的区域暴露于红外线传输。多个下行链路或基站单元相关联的红外检测模块被分配以从一个或多个远程或便携式单元接收红外载波频率通信，并将它们转换成相同载波频率的电信号。后一种电信号通过公共电缆传送到基本单元。该电缆还用于向基本单元向后者模块提供电力。电载波频率信号在使用它的基本单元处组合，以向基站提供从远程单元检测到的信息，并产生表示检测到的红外能量的信号。后一个信号可以用于控制来自远程或便携式单元的输出功率。

4. 发明授权

US4757553A Communication system with portable unit 失效
标题翻译：通讯系统带便携机
公开(公告)号：US4757553A
公开(公告)日：1988-07-12
申请号：US619803
申请日：1984-06-12
申请人： James W. Crimmins
发明人： James W. Crimmins
IPC分类号： H04M1/00 , H04B7/26 , H04B10/00 , H04B10/24 , H04M1/73 , H04M1/737 , H04B9/00
CPC分类号： H04M1/737
摘要： An optimized full duplex light wave communication system having a base unit and a portable unit. Two continuously operative channels exist between the base and portable units for two way communication at frequencies selected to minimize interference despite the presence of light within the environment of use at both frequencies. In addition, photo emitters and sensors are specifically configured in an assembly to minimize cross talk between sensors and emitters. A closed loop is formed around the two communication channels that it is operative to regulate the intensity of illumination received at the base photo sensors to a constant level that provides quality audio communications and minimizes portable unit battery drain. The closed loop additionally causes base station transmitter frequency tracking of any center frequency variation in the portable unit receiver.
摘要翻译：一种具有基本单元和便携式单元的优化全双工光波通信系统。在基站和便携式装置之间存在两个连续操作的通道，用于以选定的频率进行双向通信，以尽可能减少干扰，尽管在两个频率下的使用环境中存在光。此外，光发射器和传感器被特别配置在组件中以最小化传感器和发射器之间的串扰。围绕两个通信通道形成闭环，其可操作地将在基底光传感器处接收的照明强度调节到提供高质量音频通信并使便携式单元电池消耗最小化的恒定水平。闭环还使基站发射机频率跟踪便携式单元接收机中的任何中心频率变化。

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