公开(公告)号：US5642397A

公开(公告)日：1997-06-24

申请号：US277114

申请日：1994-07-19

Applicant: Uzoma Olugbo Agbaje-Anozie

Inventor： Uzoma Olugbo Agbaje-Anozie

IPC: H04B1/713 ,  H04H20/34 ,  H04H20/86 ,  H04H60/15 ,  H04W84/00 ,  H04Q7/06

CPC classification number: H04H20/34 ,  H04B1/713 ,  H04H20/86 ,  H04W84/00 ,  H04H2201/70 ,  H04H60/15

Abstract: An electronic paging system and method for transmitting paging signals over a broadcast network, such as a standard pre-existing commercial radio broadcast system, adds paging signals to a normal radio baseband signal for non-interferential co-transmission therewith over the existing standard radio broadcast transmission system. A telephone interface receives paging information via normal telephone lines. The paging information is used to pseudo-randomly frequency-hop a frequency-synthesized signal which is added to the baseband audio of a standard commercial radio signal. This composite signal is then used to modulate the standard commercial radio broadcast carrier in the normal manner. Mobile pagers, or "beepers," receive and selectively decode (i.e. pseudo-randomly frequency-dehop) the standard commercial broadcast signal to determine whether and which pager is being summoned, i.e. addressed. The respective addresses of the individual pagers within the system correspond to start addresses used in pseudo-random code generators within the pager transmitter and each pager receiver.

Abstract translation: 用于通过诸如标准的现有商业无线电广播系统的广播网络发送寻呼信号的电子寻呼系统和方法将寻呼信号添加到普通无线电基带信号中，以便通过现有的标准无线电广播与其进行非干扰共同传输 传输系统。 电话接口通过普通电话线接收寻呼信息。 寻呼信息用于对附加到标准商业无线电信号的基带音频的频率合成信号进行伪随机频率跳频。 然后，该复合信号以正常方式用于调制标准商业广播载波。 移动寻呼机或“蜂鸣器”接收并选择性地解码（即伪随机频率去除）标准商业广播信号，以确定是否以及哪个寻呼机被召唤，即寻址。 系统内各个寻呼机的相应地址对应于寻呼机发射机和每个寻呼机接收机内的伪随机码发生器中使用的起始地址。

公开(公告)号：USRE35449E

公开(公告)日：1997-02-11

申请号：US204653

申请日：1994-03-02

Applicant: Harry G. Derks

Inventor： Harry G. Derks

IPC: G09B5/14 ,  G09B7/08 ,  H04H1/00 ,  H04H20/38 ,  H04H20/61 ,  H04H20/63 ,  H04H20/72 ,  H04H60/33 ,  H04H60/92 ,  H04L12/28 ,  H04L12/403 ,  G06F15/80

CPC classification number: G09B7/08 ,  G09B5/14 ,  H04H20/38 ,  H04H20/61 ,  H04H20/63 ,  H04H60/33 ,  H04L12/403 ,  H04H20/72 ,  H04H2201/70 ,  H04H60/92

Abstract: A remote response system includes a central control unit and a plurality of remotely-located response units each having keypads for entering a selection from a user. The central control unit sequentially transmits distinct address words and includes redundant receivers for receiving data words transmitted by response units. Each response unit becomes powered-up upon the entry of a user response and transmits a data word, corresponding to the user selection, upon receipt of its unique address word. The central control unit examines the validity of each data bit received and the validity of an entire data word to determine if both a character and its complement are received. If a valid data word is received, the central control unit transmits an acknowledge bit, which powers-down the response unit that sent the valid word. Each response unit transmits its data word simultaneously with the central control unit transmitting the address word for the next unit that is to respond with the transmissions occurring over distinct frequency channels. A clock signal for controlling data word serial bit transmission is derived at each response unit from the address word signal.

Abstract translation: 远程响应系统包括中央控制单元和多个远程位置响应单元，每个响应单元具有用于从用户输入选择的键盘。 中央控制单元依次发送不同的地址字，并包括用于接收由响应单元发送的数据字的冗余接收器。 每个响应单元在用户响应的输入时变为上电，并且在接收到其唯一地址字时发送对应于用户选择的数据字。 中央控制单元检查接收的每个数据位的有效性和整个数据字的有效性，以确定是否接收到字符及其补码。 如果接收到有效的数据字，则中央控制单元发送确认位，该确认位对发送有效字的响应单元断电。 每个响应单元与中央控制单元同时发送其数据字，该中央控制单元发送用于通过在不同频率信道上发生的传输进行响应的下一个单元的地址字。 用于控制数据字串行位传输的时钟信号在每个响应单元从地址字信号导出。

公开(公告)号：US5150113A

公开(公告)日：1992-09-22

申请号：US499914

申请日：1990-03-26

Applicant: Bjorn Bluthgen

Inventor： Bjorn Bluthgen

IPC: G06K19/00 ,  G09B5/06 ,  G11B7/013 ,  G11B19/02 ,  G11B20/10 ,  G11B20/12 ,  G11B27/10 ,  G11B27/11 ,  G11B27/28 ,  G11B27/30 ,  G11B27/32 ,  G11B27/34 ,  H04H20/28 ,  H04H60/13 ,  H04J3/16 ,  H04L29/06 ,  H04N5/765 ,  H04N5/92 ,  H04N7/00 ,  H04N7/08

CPC classification number: H04N7/08 ,  G09B5/065 ,  G11B19/02 ,  G11B20/10 ,  G11B20/1251 ,  G11B27/105 ,  G11B27/11 ,  G11B27/28 ,  G11B27/3063 ,  G11B27/329 ,  G11B27/34 ,  G11B7/013 ,  H04H60/13 ,  H04J3/1682 ,  H04N5/765 ,  H04N5/9208 ,  G11B20/1217 ,  G11B2220/2545 ,  G11B2220/255 ,  G11B2220/65 ,  G11B2220/913 ,  H04H20/28 ,  H04H2201/70

Abstract: An information signal representing audio and/or video information is read together with a series of first data packets representing textual subinformation relating thereto from a record carrier on which such signal and data packets have been recorded together. A series of second subinformation data packets having the same format as the first subinformation packets are interleaved therewith so as to form a subinformation signal, such signal being combined with the main information signal to form a transmission signal for transmission to a receiver, the second subinformation packets representing textual subinformation unrelated to the main information signal. A receiver for such transmitted signal reproduces the information in the main information signal together with selected portions of the textual subinformation represented by the data packets, such selection being effected by a user in accordance with menus represented by the data packets and displayed on a video display unit of the receiver.

公开(公告)号：US5132992A

公开(公告)日：1992-07-21

申请号：US637562

申请日：1991-01-07

Applicant: Paul Yurt ,  H. Lee Browne

Inventor： Paul Yurt ,  H. Lee Browne

IPC: G06F13/00 ,  H04H20/38 ,  H04H20/40 ,  H04H60/14 ,  H04H60/18 ,  H04H60/23 ,  H04H60/27 ,  H04H60/37 ,  H04H60/74 ,  H04H60/93 ,  H04N7/00 ,  H04N7/173 ,  H04N7/54 ,  H04N21/218 ,  H04N21/233 ,  H04N21/2343 ,  H04N21/2368 ,  H04N21/2381 ,  H04N21/2543 ,  H04N21/258 ,  H04N21/262 ,  H04N21/433 ,  H04N21/434 ,  H04N21/4402 ,  H04N21/4627 ,  H04N21/472 ,  H04N21/8352 ,  H04N21/8355

CPC classification number: H04N7/54 ,  H04H20/38 ,  H04H20/40 ,  H04H60/14 ,  H04H60/23 ,  H04N21/2181 ,  H04N21/233 ,  H04N21/2343 ,  H04N21/234381 ,  H04N21/2368 ,  H04N21/2381 ,  H04N21/2543 ,  H04N21/25875 ,  H04N21/26208 ,  H04N21/4331 ,  H04N21/4341 ,  H04N21/4402 ,  H04N21/440281 ,  H04N21/4627 ,  H04N21/47202 ,  H04N21/47211 ,  H04N21/8352 ,  H04N21/8355 ,  H04N7/17318 ,  H04N7/17336 ,  H04H2201/33 ,  H04H2201/70 ,  H04H60/18 ,  H04H60/27 ,  H04H60/37 ,  H04H60/74 ,  H04H60/93

Abstract: A system of distributing video and/or audio information employs digital signal processing to achieve high rates of data compression. The compressed and encoded audio and/or video information is sent over standard telephone, cable or satellite broadcast channels to a receiver specified by a subscriber of the service, preferably in less than real time, for later playback and optional recording on standard audio and/or video tape.

Abstract translation: 分配视频和/或音频信息的系统采用数字信号处理来实现高速率的数据压缩。 压缩和编码的音频和/或视频信息通过标准电话，有线或卫星广播信道发送到由服务的用户指定的接收机，优选地以不太实时的方式发送，用于随后的播放和在标准音频和/ 或录像带。

公开(公告)号：US5093786A

公开(公告)日：1992-03-03

申请号：US303163

申请日：1989-01-27

Applicant: Harry G. Derks

Inventor： Harry G. Derks

IPC: G09B5/14 ,  G09B7/08 ,  H04H1/00 ,  H04H20/38 ,  H04H20/61 ,  H04H20/63 ,  H04H20/72 ,  H04H60/33 ,  H04H60/92 ,  H04L12/28 ,  H04L12/403

CPC classification number: G09B7/08 ,  G09B5/14 ,  H04H20/38 ,  H04H20/61 ,  H04H20/63 ,  H04H60/33 ,  H04L12/403 ,  H04H20/72 ,  H04H2201/70 ,  H04H60/92

Abstract: A remote response system includes a central control unit and a plurality of remotely-located response units each having keypads for entering a selection from a user. The central control unit sequentially transmits distinct address words and includes redundant receivers for receiving data words transmitted by response units. Each response unit becomes powered-up upon the entry of a user response and transmits a data word, corresponding to the user selection, upon receipt of its unique address word. The central control unit examines the validity of each data bit received and the validity of an entire data word to determine if both a character and its complement are received. If a valid data word is received, the central control unit transmits an acknowledge bit, which powers-down the response unit that sent the valid word. Each response unit transmits its data word simultaneously with the central control unit transmitting the address word for the next unit that is to respond with the transmissions occurring over distinct frequency channels. A clock signal for controlling data word serial bit transmission is derived at each response unit from the address word signal.

Abstract translation: 远程响应系统包括中央控制单元和多个远程位置响应单元，每个响应单元具有用于从用户输入选择的键盘。 中央控制单元依次发送不同的地址字，并包括用于接收由响应单元发送的数据字的冗余接收器。 每个响应单元在用户响应的输入时变为上电，并且在接收到其唯一地址字时发送对应于用户选择的数据字。 中央控制单元检查接收的每个数据位的有效性和整个数据字的有效性，以确定是否接收到字符及其补码。 如果接收到有效的数据字，则中央控制单元发送确认位，该确认位对发送有效字的响应单元断电。 每个响应单元与中央控制单元同时发送其数据字，该中央控制单元传送下一个单元的地址字，该单元将用在不同频率信道上发生的传输进行响应。 用于控制数据字串行位传输的时钟信号在每个响应单元从地址字信号导出。

公开(公告)号：US4887296A

公开(公告)日：1989-12-12

申请号：US113333

申请日：1987-10-16

Applicant: Donald R. Horne

Inventor： Donald R. Horne

IPC: H04B7/185 ,  H04H60/15 ,  H04H60/23 ,  H04L9/00 ,  H04N7/167

CPC classification number: H04N7/1675 ,  H04B7/18523 ,  H04H60/15 ,  H04H60/23 ,  H04L9/0625 ,  H04L9/083 ,  H04N21/26606 ,  H04N21/42684 ,  H04N21/4405 ,  H04H2201/70

Abstract: A three key cryptographic system is used in the transmission of digitized signals to a plurality of receivers, each having a unique address number and a factory stored signature key which is a function of the address number. At the transmission end, a common key is generated and used to encrypt the signals to be transmitted. The signature key is generated for each receiver unit by encrypting the address number of the unit using a secret master key. The common key is then encrypted for use by each receiver using the generated signature key for that receiver. A data stream is inserted into the horizontal blanking intervals of the composite video signal. The data stream includes the encrypted signals receivable by all receivers and addressed portions, each receivable by a different receiver, containing the encrypted common key for that receiver. The receiver decrypts the common key with the stored signature key and uses it to decrypt the signals. Only a single master key must be stored and protected.

Abstract translation: 在将数字化信号传输到多个接收机中时使用三密钥加密系统，每个接收机具有唯一的地址号和作为地址号的函数的工厂存储的签名密钥。 在传输端，产生公共密钥并用于加密要发送的信号。 通过使用秘密主密钥加密单元的地址号码，为每个接收机单元生成签名密钥。 然后，公共密钥被加密以供每个接收机使用生成的用于该接收机的签名密钥。 将数据流插入到复合视频信号的水平消隐间隔中。 数据流包括可由所有接收器和寻址部分接收的加密信号，每个接收器和寻址部分可由不同的接收机接收，包含该接收机的加密公共密钥。 接收机用存储的签名密钥解密公共密钥，并使用它来解密信号。 必须存储和保护单个主密钥。

公开(公告)号：US4829372A

公开(公告)日：1989-05-09

申请号：US87668

申请日：1987-08-20

Applicant: Karl W. McCalley ,  Steven D. Wilson ,  James L. Fischer

Inventor： Karl W. McCalley ,  Steven D. Wilson ,  James L. Fischer

IPC: H04H1/00 ,  H04H20/38 ,  H04H20/78 ,  H04H60/15 ,  H04M11/00 ,  H04N7/173 ,  H04N21/475

CPC classification number: H04N7/17354 ,  H04H20/38 ,  H04H20/78 ,  H04H60/15 ,  H04N21/4755 ,  H04H2201/70 ,  H04N2007/1739

Abstract: The present invention relates to a presentation player which is utilized in a digital, interactive communication system accessible to a plurality of subscribers who can select any of a plurality of pre-recorded video/audio presentations for viewing on their television sets. The presentation player includes a converter which is tuned to a channel for monitoring a digital stream of information including digital packets representative of the video/audio presentations selected by subscribers. These digital packets of information include an address assigned to the particular requesting subscriber. In accordance with this addressing information, a controller distributes the digital packet of information to one of a plurality of subscriber servers housed within the presentation player. The subscriber server receiving the uniquely addressed digital packets converts the packet into an NTSC-compatible analog formatted video/audio presentation for transmission to the requesting subscriber.

Abstract translation: 本发明涉及一种在多个用户可访问的数字，交互式通信系统中使用的呈现播放器，其可以选择多个预先录制的视频/音频呈现中的任何一个以在其电视机上观看。 呈现播放器包括转换器，其被调谐到用于监视数字信息流的通道，包括表示由用户选择的视频/音频呈现的数字分组。 这些数字信息分组包括分配给特定请求用户的地址。 根据该寻址信息，控制器将数字信息包分配到呈现播放器内的多个用户服务器之一。 接收唯一寻址的数字分组的订户服务器将分组转换成NTSC兼容的模拟格式的视频/音频呈现，以便传送到请求用户。

公开(公告)号：US4710921A

公开(公告)日：1987-12-01

申请号：US751871

申请日：1985-07-05

Applicant: Takanobu Ishidoh ,  Yoshiyuki Kondoh

Inventor： Takanobu Ishidoh ,  Yoshiyuki Kondoh

IPC: H04H20/30 ,  H04H60/15 ,  H04H60/23 ,  H04J3/16 ,  H04L9/18 ,  H04J3/12

CPC classification number: H04H20/30 ,  H04H60/15 ,  H04H60/23 ,  H04J3/16 ,  H04H2201/70

Abstract: A digital signal transmitting system includes a digital signal generator, such as, an A/D (analog-to-digital) converter, for producing digital information signals representing music or data, and a control signal generator for producing a frame synchronizing signal and service bit signals which are time division-multiplied with the digital information signals for producing a composite digital signal. Further, a terminal number and a scramble key code are time division-multiplexed on the service bits within each different frame of the composite digital signal so as to make available the scramble key code at a terminal unit or receiving side of the system.

Abstract translation: 数字信号发送系统包括用于产生表示音乐或数据的数字信息信号的数字信号发生器，例如用于产生表示音乐或数据的数字信息信号的A / D（模拟 - 数字）转换器，以及用于产生帧同步信号和服务的控制信号发生器 与用于产生复合数字信号的数字信息信号进行时分相乘的位信号。 此外，在复合数字信号的每个不同帧内的服务比特上对终端号码和加扰密钥码进行时分复用，以便在系统的终端单元或接收侧可用加密密钥码。

公开(公告)号：US4541095A

公开(公告)日：1985-09-10

申请号：US465742

申请日：1983-02-11

Applicant: Lodewijk B. Vries

Inventor： Lodewijk B. Vries

IPC: H04H20/16 ,  H04H60/74 ,  H04L1/00 ,  H04L1/08 ,  H04Q7/00 ,  H04Q7/06 ,  H04Q7/08 ,  H04Q7/10 ,  H04Q7/12 ,  H04Q7/16 ,  H04Q7/18 ,  H04Q7/20 ,  G06F11/08 ,  G06F11/14

CPC classification number: H04L1/08 ,  H03M13/15 ,  H04H60/74 ,  H04L1/0045 ,  H04L1/0057 ,  H04H20/28 ,  H04H2201/70 ,  H04H60/11

Abstract: A description is given of a system for communication between a transmitting station (30) and a receiving station (33) by way of a message which consists of a direct succession of a number of identical code words. Each message uses only a comparatively small part of the capacity of the message channel. Each code word has at least a predetermined minimum Hamming distance with respect to any other code word, including the cyclic transpositions of the latter code word. Therefore, for the detection and reproduction of a code word it is not necessary to realize word synchronization and a given category of errors can still be detected and/or corrected. The code words may concern, for example, a transmitter or program identification in a broadcasting system or a paging code for a receiving station in a system comprising selectively addressable receiving stations as in a paging system.

Abstract translation: 给出了通过由多个相同代码字的直接连续的消息组成的发送站（30）和接收站（33）之间的通信系统的描述。 每个消息仅使用消息信道容量的相对较小的一部分。 每个码字相对于任何其他码字至少具有预定的最小汉明距离，包括后一码字的循环转置。 因此，对于代码字的检测和再现，不需要实现字同步，并且仍然可以检测和/或校正给定类别的错误。 代码字可以涉及例如在广播系统中的发射机或节目标识或系统中的接收站的寻呼码，包括如寻呼系统中的选择性可寻址的接收站。

公开(公告)号：US09997030B2

公开(公告)日：2018-06-12

申请号：US14325857

申请日：2014-07-08

Applicant: Sirius XM Radio Inc.

Inventor： Mark Rindsberg ,  Paul Marko

IPC: B60R25/10 ,  H04B7/185 ,  G08B5/22 ,  H04W88/02 ,  G06G7/00 ,  G08G1/00 ,  G06F17/00 ,  H04H20/57 ,  H04H20/74 ,  H04H20/91

CPC classification number: G08B5/223 ,  H04H20/57 ,  H04H20/74 ,  H04H20/91 ,  H04H2201/70 ,  H04W88/022 ,  H04W88/025

Abstract: A vehicle messaging method (600) and system (100) can include any number of data sources (101-103), an interface (104) that formats messages and addresses from the data sources, and a corresponding number of messaging servers (111-113) that receive targeted messages intended for a predetermined subset of subscribers associated with a vehicle identification number (VIN). Each messaging server can include a corresponding controller (121-123) programmed to assign (604) targeted messages to a predetermined channel and encode (606) the addresses of the targeted messages to the predetermined subset of subscribers using a VIN or portion thereof. The controller can be further programmed to transfer (608) the targeted messages and addresses to a satellite uplink (107) and satellite (110) via a messaging uplink interface (106) for retransmission and reception by a plurality of selective call receivers 109 addressable individually using a predetermined VIN or portion thereof.