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    • 2. 发明授权
    • Method and device for acknowledgement of transmitted information
    • 确认传送信息的方法和装置
    • US5729695A
    • 1998-03-17
    • US432187
    • 1995-11-17
    • Roger AhlmOla Odmark
    • Roger AhlmOla Odmark
    • G07G1/14G06K17/00G06Q20/20G06Q30/02G07G1/06H04B10/114H04L1/00H04L1/12H04L1/16G06F153/00
    • G06Q30/02G06K17/0022G06Q20/201H04B10/1149H04L1/1692H04L2001/0092H04L2001/125
    • The present invention provides a method and a device for increasing the coverage in a shop data system for each individual information module (B1-B10), which has a low output power for its message acknowledgement at the reception of information, ensuring that a signal of acknowledgement indicating reception of information reaches a system computer. An information device, for instance a shelf-edge module (B5), which has received a correctly decoded information intended for this particular module, emits a signal of acknowledgement, which then is repeated by said other modules (B1-B4, B6-B10), which also have decoded said message finding that it was not intended for them. These modules (B1-B4, B6-B10) switch to a repeater mode so that said signal of acknowledgement emitted by said addressed module (B5), will be repeated by each such other module in said repeater mode, which perceives said signal of acknowledgement, said signal of acknowledgement propagating back to said transmitting unit (TX) during a period of time between transmitted messages. Herethrough, it is only required, that each information module has a coverage for its signal of acknowledgement such that this signal reaches at least one other additional information module.
    • PCT No.PCT / SE93 / 00935 Sec。 371日期:1995年11月17日 102(e)日期1995年11月17日PCT 1993年11月8日PCT PCT。 公开号WO94 / 11832 日期:1994年5月26日本发明提供一种用于增加每个个体信息模块(B1-B10)的商店数据系统中的覆盖范围的方法和装置,其在接收信息时具有用于其消息确认的低输出功率,确保 指示接收信息的确认信号到达系统计算机。 已经接收到用于该特定模块的正确解码的信息的信息装置(例如,边缘模块(B5))发出确认信号,然后由所述其他模块(B1-B4,B6-B10 ),这也解释了消息发现,它不是为他们。 这些模块(B1-B4,B6-B10)切换到中继器模式,使得由所述寻址模块(B5)发出的确认信号将由所述中继器模式中的每个这样的其他模块重复,其感知所述确认信号 所述确认信号在传送的消息之间的一段时间内传播回所述发送单元(TX)。 在这里,仅需要每个信息模块具有其确认信号的覆盖,使得该信号到达至少另外一个附加信息模块。
    • 5. 发明授权
    • Integrated electronic circuit comprising an oscillator with passive circuit elements
    • 集成电子电路,包括具有无源电路元件的振荡器
    • US06486829B1
    • 2002-11-26
    • US09548058
    • 2000-04-12
    • Roger Ahlm
    • Roger Ahlm
    • H01Q322
    • H01Q3/2682H01L23/522H01L23/5227H01L27/0682H01L2924/0002H01L2924/09701H01L2924/00
    • An electronic circuit with at least one active electronic component (10) and a delay element connected to the component. The delay element comprises an electric conductor (13, 18) which is composed of a conductive material on an insulating layer (14) such that the conductor's capacitive coupling to the surrounding becomes low. The conductor (13, 18) is drawn such that its inductance is minimized. The electronic component (10) and conductor (13, 18) are integrated in an integrated circuit. The delay element can be used in an oscillator coupling or in an electronically controlled antenna. In the oscillator coupling the electronic component (10) comprises an inverter coupling (11) with an input (11) and an output (12). The conductor (13) is provided to connect input (11) with output (12), thus creating an oscillator. The electronically controlled antenna comprises a receiver (17) and a number of antenna elements (16) connected to the receiver (17). Individual antenna elements (16) are connected to the receiver (17) via automatically selectable delay elements (18) such that electric signals from different antenna elements (16) are differentially delayed dependent on the position of the antenna elements in relation to the impinging electromagnetic wave fronts.
    • 一种具有至少一个有源电子部件(10)的电子电路和连接到部件的延迟元件。 延迟元件包括由绝缘层(14)上的导电材料构成的电导体(13,18),使得导体与周围的电容耦合变低。 导体(13,18)被拉伸以使其电感最小化。 电子部件(10)和导体(13,18)集成在集成电路中。 延迟元件可用于振荡器耦合或电子控制天线。 在振荡器耦合中,电子部件(10)包括具有输入端(11)和输出端(12)的反相器耦合器(11)。 导体(13)被提供以将输入(11)与输出(12)连接,从而产生振荡器。 电子控制天线包括接收器(17)和连接到接收器(17)的多个天线元件(16)。 单独的天线元件(16)经由自动可选择的延迟元件(18)连接到接收器(17),使得来自不同天线元件(16)的电信号根据天线元件相对于入射电磁体的位置而差分延迟 波前。
    • 7. 发明授权
    • Remotely adjustable price display module
    • 遥控价格显示模块
    • US5745775A
    • 1998-04-28
    • US871434
    • 1997-06-09
    • Roger AhlmOla OdmarkBjorn Nilsson
    • Roger AhlmOla OdmarkBjorn Nilsson
    • G06F3/147G06K17/00G06F1/26
    • G08B13/246G06F3/147G06K17/0022G09G2380/04
    • A method is provided for displaying prices of articles on display units adjacent to the location of the articles at a point of sale. The method is useful in operating a number of detached display units, which reproduce information, which is changeable by a wireless communication from a central computer or a portable terminal. A problem related to information systems of this type consists in easily and conveniently providing for assigning an identification code corresponding to a particular article to a display unit. According to the method described herein, this is achieved by a control unit, integrated within the display unit, and being able to be set by an external switch or signal, the control unit in such set state being arranged to receive and to store an identification code transmitted from the portable terminal.
    • 提供一种用于在销售点显示与物品位置相邻的展示单元上的物品的价格的方法。 该方法在操作多个分离的显示单元中是有用的,其再现可通过来自中央计算机或便携式终端的无线通信改变的信息。 与这种类型的信息系统相关的问题在于容易且方便地将与特定物品相对应的识别代码分配给显示单元。 根据本文描述的方法,这通过集成在显示单元内的控制单元实现,并且能够由外部开关或信号来设置,该控制单元在这种设置状态下被布置成接收和存储识别 从便携式终端发送的代码。