公开(公告)号：US5535442A

公开(公告)日：1996-07-09

申请号：US462055

申请日：1995-06-05

Applicant: Kazuhiro Kishi

Inventor： Kazuhiro Kishi

IPC: H03J7/28 ,  H03J1/00 ,  H04B1/16 ,  H04B1/18 ,  H04B1/26

CPC classification number: H03J1/0058 ,  H04H2201/13

Abstract: An FM tuner capable of speeding up an AF search and a PTY search. A tuning operation by the FM tuner with an RDS demodulator is continuously controlled until a tuning is decided in accordance with a tuning signal outputted from a detector or a count of an intermediate frequency. The FM tuner has an AF search designating key for designating an AF search, a PTY designating key for designating a PTY search, and a changeover unit for switching to the tuning signal for the decision of a tuning when the AF or PTY search is designated.

Abstract translation: FM调谐器能够加速AF搜索和PTY搜索。 通过具有RDS解调器的FM调谐器的调谐操作被连续控制，直到根据从检测器输出的调谐信号或中频的计数来确定调谐。 FM调谐器具有用于指定AF搜索的AF搜索指定键，用于指定PTY搜索的PTY指定键，以及用于当指定AF或PTY搜索时切换到调谐信号以进行调谐的切换单元。

公开(公告)号：US5473290A

公开(公告)日：1995-12-05

申请号：US323691

申请日：1994-10-18

Applicant: Pascal Scomazzon ,  Pascal Pignon

Inventor： Pascal Scomazzon ,  Pascal Pignon

IPC: H04H20/34 ,  H04L27/18 ,  H04L27/20

CPC classification number: H04H20/34 ,  H04L27/18 ,  H04H2201/13

Abstract: A variable-throughput digital modulator receives at an input a transmission digital signal e(t). The transmission digital signal is time-based demultiplexed (1) into first and second elementary transmission signals e1(t) and e2(t) which are applied, respectively, to first (21) and second (22) filtering circuits for delivering first and second filtered elementary signals e1f(t) and e2f(t). A circuit (20) provides throughput switching control to the first and second filtering circuits (21, 22) for selecting a first or second filtering mode corresponding to a first throughput at a first type of modulation or a second throughput at a second type of modulation. A quadrature modulator (3) receives the first and second filtered elementary signals in order to modulate an RDS-compatible carrier f0, and an output filter circuit (5) delivers a filtered modulated carrier signal for broadcast, such as in supplementary data broadcasting in FM radio broadcasting.

Abstract translation: 可变吞吐量数字调制器在输入端接收传输数字信号e（t）。 传输数字信号被时分解复用（1）到分别施加到第一和第二（22）滤波电路的第一和第二基本传输信号e1（t）和e2（t）中，用于传送第一和第二 第二滤波元素信号e1f（t）和e2f（t）。 电路（20）向第一和第二滤波电路（21,22）提供吞吐量切换控制，用于在第一类型调制时选择对应于第一吞吐量的第一或第二滤波模式或第二类型调制的第二吞吐量 。 正交调制器（3）接收第一和第二滤波后的基本信号，以便调制RDS兼容载波f0，输出滤波电路（5）传送经过滤波的调制载波信号进行广播，如FM中的补充数据广播 无线电广播。

公开(公告)号：US5457423A

公开(公告)日：1995-10-10

申请号：US243203

申请日：1994-05-16

Applicant: Wilhelm Hegeler

Inventor： Wilhelm Hegeler

IPC: H04L27/22 ,  H04H20/34 ,  H04H40/18 ,  H04L27/233 ,  H04L27/20

CPC classification number: H04H40/18 ,  H04L27/2332 ,  H04H20/34 ,  H04H2201/13

Abstract: For a demodulator for radio data signals, where transmission of these signals is carried out through phase shifting of a suppressed subcarrier, where a multiplex signal, which contains a signal with the frequency of the subcarrier passes through a band-pass filter and an amplitude limiter, the amplitude-limited signal having a subcarrier frequency is transformed into digital sampling values, if necessary by additional filtering, and the sampling values are supplied to at least one phase control loop for deriving a bit clock signal.

Abstract translation: 对于用于无线电数据信号的解调器，其中通过抑制副载波的相移执行这些信号的发送，其中包含具有副载波的频率的信号的多路复用信号通过带通滤波器和限幅器 如果需要通过附加滤波，具有副载波频率的幅度受限信号被变换成数字采样值，并且采样值被提供给至少一个用于导出位时钟信号的相位控制环路。

公开(公告)号：US5442646A

公开(公告)日：1995-08-15

申请号：US189715

申请日：1994-02-01

Applicant: David J. Chadwick ,  Howard H. Ma ,  Frank J. Mammano ,  James W. Marshall ,  Vijaykumar M. Patel ,  Lyle G. Saxton

Inventor： David J. Chadwick ,  Howard H. Ma ,  Frank J. Mammano ,  James W. Marshall ,  Vijaykumar M. Patel ,  Lyle G. Saxton

IPC: H04L1/00 ,  G06Q10/00 ,  G08G1/09 ,  H04H20/28 ,  H04H20/34 ,  H04H20/55 ,  H04L27/18 ,  H04B1/10 ,  H04B15/00 ,  H04L1/20

CPC classification number: H04H20/28 ,  G06Q10/06 ,  G08G1/092 ,  G08G1/094 ,  H04H20/34 ,  H04H20/12 ,  H04H20/55 ,  H04H2201/13

Abstract: A communication system (100) is provided for transmitting data to mobile receivers utilizing a subcarrier within a commercial FM channel of a radio station (55). The data transmitted is first encoded in encoder (112), utilizing a forward error correction code. The sequence of the encoded data is altered in interleaver (116), subdivided into a plurality of subframes, in framing and synchronization circuit (120), which also adds channel state bits to each subframe. The framed data is modulated onto the subcarrier in the differential quadrature phased shift keying modulator (130), the output of which is coupled to the FM modulator (52) of radio station transmitter (50). The transmitted radio frequency signals may be received by a vehicle antenna (12) for coupling to the vehicle's FM receiver (80). The modulated subcarrier is recovered from the FM demodulator (84) of the receiver (80), the modulated subcarrier being demodulated to recover the encoded digital data therefrom. The channel state bits included with the data are extracted from the digital data and utilized to form a data reliability factor for each bit of the encoded data. The data reliability factors thus obtained are associated with each bit of the data in a deinterleaver (360). Deinterleaver (360) provides each data bit in proper sequence, with its associated data reliability factor to a decoder (370). The decoded digital data is provided to a vehicle traffic computer (90) for processing and presentation of traffic information to a user on a display (92).

Abstract translation: 提供通信系统（100），用于利用无线电台（55）的商用FM频道内的子载波来向移动接收机发送数据。 所发送的数据首先利用前向纠错码在编码器（112）中进行编码。 编码数据的序列在成帧和同步电路（120）中被分割成多个子帧的交织器（116）中改变，该帧还和同步电路（120）也向每个子帧增加信道状态位。 成帧数据被调制到差分正交相移移位键控调制器（130）中的子载波上，其输出耦合到无线电台发射机（50）的FM调制器（52）。 发射的射频信号可以由用于耦合到车辆的FM接收机（80）的车辆天线（12）接收。 调制子载波从接收机（80）的FM解调器（84）中恢复，被调制的子载波被解调，以从其中恢复编码的数字数据。 从数字数据中提取包含在数据中的信道状态位，并用于形成编码数据的每一比特的数据可靠性因子。 这样获得的数据可靠性因子与解交织器中的每个数据位相关联（360）。 解交织器（360）将每个数据位以适当的顺序提供，并将其相关联的数据可靠性因子提供给解码器（370）。 解码的数字数据被提供给车辆交通计算机（90），用于在显示器（92）上处理和呈现交通信息给用户。

公开(公告)号：US5428825A

公开(公告)日：1995-06-27

申请号：US202679

申请日：1994-02-25

Applicant: Ryou Tomohiro ,  Hiromu Annoi

Inventor： Ryou Tomohiro ,  Hiromu Annoi

IPC: H03J7/18 ,  H03J5/02 ,  H04B1/16 ,  H04H20/22 ,  H04H20/26 ,  H04H40/18 ,  H04H60/27 ,  H04H60/51

CPC classification number: H04H20/26 ,  H04H20/22 ,  H04H60/27 ,  H04H2201/13 ,  H04H40/18

Abstract: A receiving frequency selecting method for a vehicle-mounted RDS receiver, wherein a list of alternative frequencies being transmitted by former broadcasting stations are stored in a memory, and the RDS receiver chases the same broadcast program based on the stored list of alternative frequencies whenever the motor vehicle returns to the same broadcasting service area of the network wherein the stored list of alternative frequencies is effective for use. Further, the stored list of alternative frequencies data relating to frequencies of the received broadcast waves during the operation of chasing the same radio program are also utilized together with the stored list of alternative frequencies transmitted by the broadcasting stations for chasing the same broadcast program.

Abstract translation: 一种用于车载RDS接收机的接收频率选择方法，其中由前广播电台发送的替代频率列表存储在存储器中，并且RDS接收机基于存储的替代频率列表来追踪相同的广播节目， 汽车返回到网络的相同广播服务区域，其中所存储的备选频率列表有效使用。 此外，与追踪相同无线电节目的操作期间所接收的广播波的频率相关的备选频率数据的存储列表也与由广播站发送的用于追逐相同广播节目的所存储的备选频率列表一起使用。

公开(公告)号：US5404588A

公开(公告)日：1995-04-04

申请号：US207894

申请日：1994-03-07

Applicant: Werner Henze

Inventor： Werner Henze

IPC: H03J7/18 ,  H04B1/16 ,  H04H20/26 ,  H04H20/34 ,  H04H60/37

CPC classification number: H04H20/22 ,  H04H20/34 ,  H04H2201/13 ,  H04H60/37

Abstract: In a radio receiver having a device for decoding radio data signals, which are divided into groups each with a predetermined number of bits and contain a program identification code, and having a device for switchover for switchover from a received frequency to an alternative frequency, by briefly switching over to the alternative frequency, a plurality of data samples are taken from various groups and at various times within the groups of the radio data signal that is received at the alternative frequency. The data samples are compared with a program identification code stored in memory.

Abstract translation: 在具有用于解码无线电数据信号的装置的无线电接收机中，其被分成具有预定数量的比特并且包含节目识别码的组，并且具有用于从接收频率切换到替代频率的装置，通过 简单地切换到替代频率，从各种组中以及在以替代频率接收的无线电数据信号的组内的不同时间获取多个数据样本。 将数据样本与存储在存储器中的程序识别码进行比较。

公开(公告)号：US5345606A

公开(公告)日：1994-09-06

申请号：US775939

申请日：1991-10-28

Applicant: Ralf Duckeck ,  Peter Bre,uml/a/ gas

Inventor： Ralf Duckeck ,  Peter Bre,uml/a/ gas

IPC: G08G1/09 ,  H04B1/16 ,  H04H20/55 ,  H04H60/53 ,  H04B4/06

CPC classification number: G08G1/093 ,  H04H20/55 ,  H04H60/53 ,  H04H2201/13

Abstract: Memory devices containing route-specific features as well as standardized texts are provided in vehicle receivers having a decoder for decoding digitally encoded, received traffic news. By addressing the memory locations, these texts can be called up. In order to ensure that the driver receives only traffic information from the region of interest to him, route-specific features are provided with an identifier. By specifying the identifier it is then possible to select only the traffic news relating to the desired region. In addition, program identification codes of stations which are responsible for broadcasting traffic news in the respective regions are stored. By comparing the stored program indentification codes, the prerequisite is created that stations which are responsible for traffic news in the region of interest to the driver are in actual fact received.

Abstract translation: PCT No.PCT / DE90 / 00250 Sec。 371日期1991年10月28日 102（e）日期1991年10月28日PCT 1990年3月28日PCT公布。 公开号WO90 / 13882 日期为1990年11月15日。在具有用于解码数字编码的接收的交通新闻的解码器的车辆接收机中提供了包含路线特定特征以及标准化文本的内存设备。 通过寻址内存位置，可以调用这些文本。 为了确保驾驶员仅从他感兴趣的区域接收交通信息，路由特定的特征被提供有标识符。 通过指定标识符，则可以仅选择与期望区域相关的交通新闻。 此外，存储负责在各个​​区域中广播交通新闻的站的节目识别码。 通过比较存储的程序识别码，先决条件是实际上接收到负责驾驶员感兴趣区域的交通新闻的车站。

公开(公告)号：US5303401A

公开(公告)日：1994-04-12

申请号：US834294

申请日：1992-05-04

Applicant: Ralf Duckeck ,  Peter Braegas

Inventor： Ralf Duckeck ,  Peter Braegas

IPC: H04B1/16 ,  G08G1/09 ,  H04H20/55 ,  H04H60/37 ,  H04H60/51

CPC classification number: G08G1/093 ,  G08G1/094 ,  H04H60/51 ,  H04H20/55 ,  H04H2201/13 ,  H04H60/37

Abstract: A radio receiver, in particular for vehicles, is proposed that is equipped with a decoder for decoding digitally encoded traffic news received, in particular in accordance with the RDS system. A station memory is also provided, in which all the receiver radio stations are stored in memory at regular intervals. This table is compared with a table stored in a memory of the receiver, in which the radio stations are assigned to certain regions. If a predominant match between the received radio stations and the stored radio stations is ascertained, then the associated region is output, and only traffic news associated with the applicable region is output.

Abstract translation: PCT No.PCT / DE90 / 00794 Sec。 371日期：1992年5月4日 102（e）日期1992年5月4日PCT 1990年10月19日PCT PCT。 公开号WO91 / 07029 日期为1991年5月16日。特别是针对车辆的无线电接收机，特别是根据RDS系统，提出了一种解码器，用于对接收的数字编码的交通新闻进行解码。 还提供了一个站内存，其中所有的接收机无线电台以规则的间隔存储在存储器中。 该表与存储在接收机的存储器中的表进行比较，其中无线电台被分配给某些区域。 如果确定了所接收的无线电站和所存储的无线电站之间的主要匹配，则输出相关联的区域，并且仅输出与可应用区域相关联的业务新闻。

公开(公告)号：US5239681A

公开(公告)日：1993-08-24

申请号：US688628

申请日：1991-08-08

Applicant: Simon J. Parnall ,  Jonathan D. Newland ,  Theo Kamalski ,  Sten Bergman ,  Josef Berger

Inventor： Simon J. Parnall ,  Jonathan D. Newland ,  Theo Kamalski ,  Sten Bergman ,  Josef Berger

IPC: H04B1/16 ,  H04H60/41

CPC classification number: H04H60/41 ,  H04H2201/13 ,  H04H2201/40

Abstract: A radio data system transmits message groups comprising four blocks of which the first block always carries the program identification code for the transmitting network (P1(TN)). One type of message group, identified by a corresponding group type code (GT) in a second block always carries a program identification code for another network (PI(ON) in a fourth block and carries various corresponding items of information in a third block. Which of these various items is in the third block is identified by a user code (UC) in the second block. The items of information in the third block may in particular include alternative frequency codes for the other network identified in the fourth block.

Abstract translation: PCT No.PCT / GB89 / 01544 Sec。 371日期1991年8月8日 102（e）日期1991年8月8日PCT提交1989年12月15日PCT公布。 第WO90 / 07237号公报 日期：1990年6月28日。无线电数据系统发送包括四个块的消息组，其中第一块总是携带用于发送网络（P1（TN））的节目识别码。 由第二块中的对应组类型代码（GT）识别的一种类型的消息组总是携带用于另一网络的程序识别码（第四块中的PI（ON）），并且在第三块中携带各种对应的信息项。 这些各种项目中的哪一个在第三块中由第二块中的用户代码（UC）标识。第三块中的信息项可以特别地包括在第四块中标识的另一个网络的替代频率代码。

公开(公告)号：US5070404A

公开(公告)日：1991-12-03

申请号：US523623

申请日：1990-05-15

Applicant: Wayne J. Bullock ,  H. Edward Gordon

Inventor： Wayne J. Bullock ,  H. Edward Gordon

IPC: H04H20/28 ,  H04H20/86 ,  H04H60/14 ,  H04N1/00 ,  H04N1/32 ,  H04N7/081 ,  H04W84/02

CPC classification number: H04W84/022 ,  H04H60/14 ,  H04N1/00098 ,  H04N1/00283 ,  H04N1/32128 ,  H04N7/081 ,  H04H20/28 ,  H04H20/86 ,  H04H2201/13 ,  H04N2201/3226 ,  H04N2201/3274 ,  H04N2201/3278

Abstract: A method and system for the contemporaneous delivery of data from a first location to a user at a remote location utilizes standard broadcast facilities as the transmission medium. The data and an identifier uniquely associated with the data are encoded and transmitted along with a first standard broadcast signal. An enabling cue signal corresponding to the identifier is encoded and transmitted along with a second standard broadcast signal. The first broadcast signal is received and demodulated at the user location, the identifier is decoded and the encoded data is stored in a memory location uniquely associated with the identifier. The second standard broadcast signal is also received and demodulated at the user location and is decoded to provide the cue signal. The cue signal is compared with the received identifier and if the comparison is positive the stored encoded data is recalled from the memory, decoded and printed at the discretion of the user.

Abstract translation: 用于在远程位置从第一位置向用户同时传送数据的方法和系统使用标准广播设施作为传输介质。 与数据唯一相关联的数据和标识符被编码并与第一标准广播信号一起发送。 对应于标识符的启用提示信号与第二标准广播信号一起被编码和发送。 第一广播信号在用户位置被接收和解调，对该标识符进行解码，并将编码的数据存储在与标识符唯一相关联的存储单元中。 第二标准广播信号也在用户位置被接收和解调，并被解码以提供提示信号。 将提示信号与接收到的标识符进行比较，并且如果比较为正，则存储的编码数据从存储器被调用，由用户自行解码和打印。