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1. 发明公开

EP0180339A3 A multi-mode radio transceiver 失效
标题翻译：多模无线收发器
公开(公告)号：EP0180339A3
公开(公告)日：1988-01-07
申请号：EP85307038
申请日：1985-10-02
申请人： STC PLC
发明人： Masterton, John , Ramsdale, Peter Alan
IPC分类号： H03D05/00 , H04B01/40 , H03D01/22 , H03C05/00 , H03D03/00
CPC分类号： H04B1/406 , H03C5/00 , H03D1/2245 , H03D3/008 , H03D3/009 , H03D5/00 , H03D2200/0025 , H03D2200/0029 , H03D2200/0047 , H03D2200/005 , H03D2200/0052
摘要： A multi-mode radio transceiver comprising a sequence of bi-directional circuit modules including a radio frequency input/output amplifier module (1), a radio frequency/baseband I and Q quadrature channel conversion module (2), an analogue/ digital conversion module (3), a digital signal processor (4, 5), and a digital signal input/output interface (6), with a control means (7) whereby for transmission a radio frequency signal is formed from analogue quadrature I and Q channel components of a digitised signal at baseband and translated to the radio tranmission frequency and for reception the radio frequency signals are transformed into I and Q quadrature analogue components at baseband and subsequently digitised.
摘要翻译：一种多模式无线电收发器，包括一系列双向电路模块，包括射频输入/输出放大器模块（1），射频/基带I和Q正交通道转换模块（2）模拟/数字转换模块 3），数字信号处理器（4,5）和数字信号输入/输出接口（6），具有控制装置（7），由此通过模拟正交I和Q通道分量形成射频信号，在基带处的数字化信号被转换成无线电传输频率并且用于接收射频信号在基带被转换成I和Q正交模拟分量并随后被数字化。

2. 发明公开

EP0115966A3 Control circuit for a radio transceiver 失效
标题翻译：无线电收发器的控制电路
公开(公告)号：EP0115966A3
公开(公告)日：1986-04-23
申请号：EP84300739
申请日：1984-02-07
申请人： GENERAL ELECTRIC COMPANY
发明人： Leslie, Samuel Augustus
IPC分类号： H04B01/40
CPC分类号： H04B1/40 , H04W52/0229 , Y02D70/40
摘要： A vehicular radio transceiver is normally powered by a vehicular ignition switch (S1) and a transceiver on-off switch (S2) both being closed. A latch circuit (30) senses the presence of a communication over said transceiver, and produces a latch signal that powers the transceiver despite opening of either of said switches.
摘要翻译：车载无线电收发器通常由车辆点火开关和正在关闭的收发器开 - 关开关供电。闩锁电路通过收发器感知通信的存在，并且产生锁定信号，即使打开任何一个开关来为收发器供电。

3. 发明公开

EP0005256A3 Remote control for radiocommunication devices 失效
标题翻译：无线电通信设备的远程控制
公开(公告)号：EP0005256A3
公开(公告)日：1979-12-12
申请号：EP79101313
申请日：1979-05-02
申请人： ROBERT BOSCH GMBH
发明人： Müller, Horst , Vorwerk, Helmut, Dipl.-Ing.
IPC分类号： H03J01/18 , H04B01/40
CPC分类号： H04B10/114 , H03J9/04 , H03J9/06 , H04M1/737
摘要： Die Erfindung betrifft eine Fernbedienung für Funksprechgeräte aus einem Bedienungsteil mit Bedienungstasten, mit einer Kanalanzeige-, einer Funktionsanzeige-und einer Lautsprecher-Mikrofon-Einrichtung, wobei im Bedienungsteil ein Ultraschall- oder Infrarotsender für die Übertragung der erforderlichen Funktionssignale zum Betrieb eines Funksprechgerätes untergebracht ist, während in einem Empfangsteil am Funksprechgerät ein Ultraschalloder Infrarotempfänger für ein Ansteuern von Funktions-und Anzeigeneinrichtungen angeordnet ist.
摘要翻译：一种具有控制发射单元的无线电话系统，包括具有操作键的控制单元，信道指示设备，功能指示设备和扬声器/麦克风设备，所述控制发射单元包括用于发送功能信号的超声波或红外发射器无线电话系统的操作需要，无线电话系统还具有设置有用于致动功能和指示器设备的超声波或红外接收器的接收器单元。

4. 发明公开

EP0159670A3 Radio communication device and method of controlling transmitter output power 失效
标题翻译：无线电通信设备和控制发射机输出功率的方法
公开(公告)号：EP0159670A3
公开(公告)日：1986-10-08
申请号：EP85104714
申请日：1985-04-18
申请人： NEC CORPORATION
发明人： Ikeda, Shigeki
IPC分类号： H03G03/20 , H04B01/40 , H04B01/04
CPC分类号： H03G3/3042 , H04B1/3877
摘要： A radio communication device comprises a portable communication device and a power amplifier device adapted to accommodating the portable communication device thereinto for amplifying a transmitter output therefrom. The radio communication device further comprises a detector circuit for detecting that an electrical coupling between the portable communication device and the power amplifier device, thereby effecting a control such that the transmitter output power level is kept at a minimum input level required for the power amplifier device. Thus, this can suppress excessive heat generation in the communication device when the portable communication device is used by being accommodated in the power amplifier device.
摘要翻译：无线电通信设备包括便携式通信设备和适于容纳便携式通信设备的功率放大器设备，用于放大其中的发射机输出。无线电通信装置还包括用于检测便携式通信装置和功率放大装置之间的电耦合的检测器电路，从而进行控制，使得发射机输出功率电平保持在功率放大装置所需的最小输入电平。因此，当通过容纳在功率放大器装置中使用便携式通信装置时，这可以抑制通信装置中的不利的发热。

5. 发明公开

EP0078180A3 A communication system interconnecting radios and operators located at different positions 失效
标题翻译：通信系统互连无线电和操作员位于不同的位置
公开(公告)号：EP0078180A3
公开(公告)日：1985-05-15
申请号：EP82305693
申请日：1982-10-27
申请人： MARCONI AVIONICS LIMITED
发明人： Pudsey, David Graham
IPC分类号： H04B01/40 , H04H07/00 , H04L11/16 , H04B01/00
CPC分类号： H04B1/40 , H04L12/407
摘要： A known system for interconnecting a number of operators to a number of radios uses a computer to establish which one of the radios is available to provide a facility requested by an operator and then to connect that radio with an operator. The programming of a general purpose computer to do this job is very complex. Also it may be difficult for an operator to be sure that the computer is working correctly and a fault in the computer or its program can result in a complete breakdown of the system. The illustrated apparatus avoids these problems by using a control bus 5 and an audio bus 6 to interconnect operator positions 1 and 2 and radio positions 3 and 4. Each position 1,2,3 and 4 is allocated, by a timing circuit 7, time slots on the control bus 6 during which it applies digital words to the control bus indicating its own identity and information to be transmitted to other positions. Because data applied to the control bus by the operator positions 1 and 2 is time multiplexed, requests from positions 1 and 2 for a particular radio facility are dealt with in turn by the radio positions 3 and 4 so that operators at positions 1 and 2 cannot compete for the same radio facility. In this way the need for a general purpose computer and its associated software is avoided. Furthermore, each radio at positions 3 and 4 is able to communicate to the operators at 1 or 2 its current mode of operations so that the operators can always be sure that the system is operating correctly. Another advantage of the illustrated system is that a malfunction at any one of the positions 1,2,3 and 4 does not cause a complete breakdown in the system. The only central component critical to the operation of the system is the timing circuit 7 and, in an alternative system, this could be replaced by individual timing circuits at each of the positions 1,2,3 and 4.

6. 发明公开

EP0172704A3 Battery-powered radio communication apparatus capable of prolonging the communicable state thereof 失效
标题翻译：电池供电的无线电通信设备，可以扩大其通信状态
公开(公告)号：EP0172704A3
公开(公告)日：1988-03-02
申请号：EP85305615
申请日：1985-08-07
申请人： NEC CORPORATION
发明人： Tamura, Yoshiharu , Kimura, Katsuji
IPC分类号： H03G03/20 , H04B01/40
CPC分类号： H03G3/3042 , H04B1/40
摘要： A battery-powered radio communication apparatus is disclosed which comprises a power amplifier, a power detector for detecting the output power of the power amplifier. A supply voltage detector compares a standard voltage with the output voltage of a battery which supplies power to the power amplifier. A gain control circuit controls the gain of the power amplifier in response to the output of the power amplifier and to the output of the supply voltage detector so as to prolong by a certain time the communicable state of the apparatus.

7. 发明公开

EP0171071A3 Radio communication system comprising a portable unit carrying out a battery saving operation related to a scanning operation of a fixed unit 失效
标题翻译：无线电通信系统，包括一个便携式设备，执行与固定单元的扫描操作有关的电池节电操作
公开(公告)号：EP0171071A3
公开(公告)日：1987-05-06
申请号：EP85109904
申请日：1985-08-06
申请人： NEC CORPORATION
发明人： Wakana, Akira
IPC分类号： H03J07/18 , H04B01/40
CPC分类号： H04B1/40 , H03J1/0091 , H04W52/0216 , Y02D70/40
摘要： @ In a radio communication system comprising a fixed unit (10) carrying out a first scanning operation at a channel scanning period in a waiting state and a portable unit (11) intermittently put in a waiting state thereof into active and inactive for active and inactive durations, respectively, the portable unit comprises a power source circuit (30) for rendering a sum of the active and the inactive durations equal to the channel scanning period. In each active state, a frequency synthesizer (39) carries out a second scanning operation to successively scan the radio channels one by one in cooperation with the controller (38) to detect whether or not each of the radio channels is idle. The second scanning operation may proceeds either in the same order as the first scanning operation or in a reverse order rotative to the first scanning operation. Alternatively, the second scanning operation may be carried out in a phase different from the first scanning operation. In this event, either one of the fixed and the portable units that is delayed in phase may skip from an actual channel to an additional one.

8. 发明公开

EP0101611A3 Transmitter-receiver module 失效
标题翻译：发射器 - 接收器模块
公开(公告)号：EP0101611A3
公开(公告)日：1985-10-30
申请号：EP83108148
申请日：1983-08-17
申请人： International Standard Electric Corporation , Standard Elektrik Lorenz Aktiengesellschaft
发明人： Szabo, Laszlo, Dr.-Ing.
IPC分类号： H03D09/06 , H03C07/02 , H03B09/14 , H04B01/40
CPC分类号： H03B9/141 , H03B7/143 , H03C7/027 , H03D7/1408 , H03D9/0633 , H03D9/0641 , H04B1/408

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