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Memory device

A storage device, a series of technologies, applied in the direction of information storage, static memory, digital memory information, etc., can solve problems such as complex circuits

Inactive Publication Date: 2006-03-29
MINERAL LASSEN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Common active transponders have a number of disadvantages, namely: (a) they require an internal power source, such as a tiny battery, for operation; and (b) when using, for example, a dedicated microcontroller and associated memory capable of storing characteristic to be configured to utilize information such as responding to their unique signature, they require fairly complex circuitry

Method used

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Embodiment Construction

[0037] refer to figure 1 , a first embodiment of a storage device according to the present invention represented by 10 and a query device capable of querying the device 10 represented by 20 are shown here.

[0038]The device 10 includes a substrate 30, such as a plastic card, whose physical dimensions are similar to an ISO standard credit card having a length of 85 mm, a width of 54 mm and a thickness of 0.8 mm. Formed on the main surface of the substrate 30, the antenna 40 is connected to a rectifying unit represented by 50, the unit 50 includes a tuning capacitor 52, a high-frequency rectifying diode 54, and a storage capacitor 56; the unit 50 is accommodated in In the first groove formed on the main surface, the capacitor 52 is arranged to be compatible with the inductance provided by the antenna 40 at the operating frequency of the device 10, namely the frequency f 0 on resonance. The device 10 further comprises a storage unit indicated at 60 received in a second recess ...

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PUM

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Abstract

A memory device operable to receive an input signal and to generate a corresponding data bearing output signal in response. The device includes a series of circuit stages operable to be triggered by the input signal at a first stage of the series, thereby causing a sequential triggering of stages along the series to a last stage of the series to generate the output signal, the data represented in time durations taken for each stage in the series to trigger a subsequent stage in the series. Sequential triggering of the stages generates a data bearing output signal for output from the device. The device can be modified to repetitively output the data in response to the input signal. Moreover, the device can be adapted to provide a delay before repeating the data, thereby coping with contention when several of the devices are operating within range of one another.

Description

technical field [0001] The present invention relates to a storage device capable of outputting stored information in response to a query; in particular, but not exclusively, to a storage device capable of outputting stored data in response to a remote query using electromagnetic radiation. Background technique [0002] Typically a transponder device capable of interrogation at a distance, such as a transponder tag board, can operate passively, reflecting radiation incident on it, or, alternatively, can operate actively, receiving radiation and sending a corresponding response radiation. Active repeating devices are known that encode the response radiation transmitted from it with information stored in the device, for example with one or more signatures that uniquely identify each device. [0003] Common active transponders have a number of disadvantages, namely: (a) they require an internal power source, such as a tiny battery, for operation; and (b) when using, for example...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K7/08B42D15/10G06K19/07G06K19/077G11C19/18
CPCG11C19/18
Inventor I·J·福尔斯特
Owner MINERAL LASSEN