Automated Banking Machine Keypad Anti-Spy Illumination
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Solution Overview
Problem
Automated banking machines lack enhanced security, user-friendly operation, weather resistance, and features to prevent germ transmission and unauthorized viewing of user inputs, while also not being accessible for visually impaired users and vulnerable to spying cameras.
Innovation Solution
The automated banking machine incorporates a user interface with a concealed keypad, encryption capabilities, a visual indicator for encrypted inputs, a secure touch screen display, and light-emitting diodes to prevent camera viewing, along with features for improved weather resistance and germ reduction, and accessibility for visually impaired users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a standard keypad is provided for user input, then ease of operation is improved, but security against unauthorized viewing and spying cameras deteriorates
Solution Approach 1:
A visual indicator system acts as an intermediary between the keypad and the user, providing feedback about encryption status without exposing sensitive input data. The indicator lights or display elements communicate security state while maintaining the confidentiality of actual user inputs, thus resolving the contradiction between operational ease and security protection.
Solution Approach 2:
The system employs color-changing indicators or lighting elements to convey security status and input recognition information. Different colors indicate different states (e.g., green for encrypted, red for unencrypted), allowing users to understand system status at a glance without exposing sensitive data, thereby maintaining both ease of operation and security.
2Object-affected harmful factors
If encryption capabilities are added to protect user inputs, then security is improved, but device complexity increases
Solution Approach 1:
The encryption indicator functionality is merged with the existing display or lighting system of the automated banking machine. Rather than adding separate complex encryption hardware, the system integrates security indication into the conventional user interface elements, thus providing encryption protection while minimizing increases in device complexity.
Solution Approach 2:
The system automatically manages encryption status indication without requiring user intervention or complex external control. The indicator system self-regulates based on the encryption state of input data, reducing the operational complexity and automation burden while maintaining security protections.
3Object-affected harmful factors
If a concealment device is added to cover the keypad, then security against spying cameras is improved, but ease of operation deteriorates
Solution Approach 1:
The concealment device is designed with dynamic characteristics, allowing it to be moved or adjusted based on operational needs. The device can be positioned to block camera views during sensitive operations but moved aside when user access is required, thus balancing security protection with operational ease through dynamic reconfiguration.
Solution Approach 2:
The concealment device operates periodically or intermittently rather than continuously, being activated only when security threats are detected or during specific high-security transaction phases. This periodic deployment maintains security when needed while preserving full keypad accessibility during normal operations, resolving the contradiction between concealment and ease of use.
4Object-affected harmful factors
If light-emitting diodes are added to prevent camera viewing, then security is improved, but use of energy increases
Solution Approach 1:
The light-emitting diodes operate periodically or in pulsed modes rather than continuously, activating only when camera detection is suspected or during critical input phases. This periodic operation provides security illumination when needed while dramatically reducing overall energy consumption compared to continuous LED operation, thus resolving the contradiction between security effectiveness and energy usage.
Solution Approach 2:
The system adjusts LED operational parameters such as intensity, duration, and activation thresholds based on detected conditions. By changing these parameters dynamically, the system provides adequate security illumination only when necessary while minimizing energy consumption during normal operation, balancing security improvements with energy efficiency.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides enhanced security, user-friendly operation, and accessibility while preventing unauthorized viewing and germ transmission, ensuring secure and accessible financial transactions.
Implementation Method 1
light-emitting diodes to prevent camera viewing
Data Source
AI summary
An apparatus that operates to cause financial transfers responsive to data read from data bearing records, includes at least one processor that is in operative connection with a card reader, a check acceptor, a cash dispenser and the display. The at least one processor causes the machine to operate to read card data from a user card, and to cause a determination to be made that the read card data corresponds to an authorized financial account. The at least one processor is operative to cause data to be read from a check and/or cash to be dispensed, and a financial transfer to or from the account corresponding to the value thereof. Unauthorized observation of manual inputs to an input device is prevented through the use of nonvisible light emitters that prevent the observation of such inputs via an electronic camera interception device.