Multi-Card Interface Device for Uninterrupted Satellite Receiver Access

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Solution Overview

Problem

Current satellite receiver systems can only accept and read one access card at a time, leading to interruptions in audio and video programming during card replacement and making it difficult for broadcasters to monitor access card authorizations across multiple receiver versions.

Innovation Solution

An interface device with multiple access card readers that allows simultaneous or sequential switching between access cards using software control, enabling a single access card to interface with multiple receivers without physical removal or insertion, and automating the process to prevent interruptions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single access card is physically removed and replaced in the receiver, then access card switching is achieved, but audio and video programming is interrupted for several seconds

Engineering Contradiction:
Improveaccess card switching capabilityVSAvoidprogramming interruption time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The system is divided into two separate card readers: a first card reader that maintains the currently active access card in the receiver, and a second card reader that holds replacement access cards. This segmentation allows card switching to occur without removing the active card, thereby preventing programming interruptions while still enabling access card replacement functionality.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If multiple versions of integrated receiver/decoders are deployed in a service area, then system coverage is improved, but monitoring access card authorizations becomes difficult

Engineering Contradiction:
Improvereceiver version compatibilityVSAvoidaccess card authorization monitoring
Core Design Contradiction:
Adaptability or versatilityVSDifficulty of detecting and measuring

Solution Approach 1:

A conditioning device is introduced as an intermediary between the access cards and multiple versions of integrated receiver/decoders. This device maintains a library of access cards and can present appropriate cards to different receiver versions, enabling centralized monitoring and management of access card authorizations across heterogeneous receiver populations without requiring direct access to each individual receiver.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of manufacture

If access cards are physically exchanged in the receiver, then card replacement is achieved, but customer satisfaction decreases due to viewing interruption

Engineering Contradiction:
Improvecard replacement processVSAvoidcustomer viewing experience
Core Design Contradiction:
Ease of manufactureVSEase of operation

Solution Approach 1:

Replacement access cards are pre-loaded into the second card reader in advance. When a card needs to be replaced, the system can quickly switch to the pre-positioned replacement card without requiring the customer to wait for manual insertion or removal operations. This preliminary preparation of replacement cards eliminates viewing interruptions and maintains customer satisfaction.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS8484671B1Receiver interface with multiple access cards
Publication Date: 2013.07.09 DIRECTV LLC
  • US8484671B1 patent drawing
  • US8484671B1 patent drawing

AI summary

A device and method for multiple access cards to interface to at least one integrated receiver/decoder (IRD) and methods for using the device. The interface device of the present invention contains multiple access card readers and houses multiple access cards. The device can switch between access cards based on pre-configured software that rotates the cards according to various conditions. In another embodiment, the device can simultaneously operate all the cards. The device can select one card for the IRD based on responses acquired for the various conditions. In addition, the present invention allows monitoring access card authorizations and blackout states in multiple IRDs. A single access card can be applied to more than one IRD simultaneously, and the IRDs can be different versions. In addition, the present invention provides a satellite broadcast center with the capability of testing multiple access cards in real time either sequentially, or in parallel, through multiple IRDs.