Object Detection Trigger Signals Encoding Bandwidth
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing techniques for object detection are limited by the need for a stable pattern environment, which restricts flexibility and encoding bandwidth, and fail to adjust for varying object positions, speeds, and sizes, leading to insufficient encoding and sensing capabilities.
Innovation Solution
The implementation of trigger detectors that provide trigger signals for each object, allowing control circuitry to adjust the encoding/sensing process, including time-varying excitation, displacement, and filtering, to encode sensing results indicating time-varying waveforms, enabling flexible encoding and increased bandwidth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a stable pattern environment is used for object detection, then measurement reliability is improved, but adaptability and encoding bandwidth are reduced
Solution Approach 1:
The patent implements dynamic pattern generation where the encoding pattern is no longer static but varies over time based on object detection. The system adjusts excitation patterns, filtering parameters, and sensing timing dynamically in response to detected objects, allowing the pattern environment to adapt while maintaining measurement reliability through controlled dynamic adjustment.
Solution Approach 2:
The system changes multiple parameters including excitation frequency, pattern timing, filter characteristics, and sensing integration windows based on object-specific parameters such as position, speed, and size. This parameter adaptation enables the system to maintain reliable detection while significantly increasing encoding bandwidth and adaptability to different object types.
2Reliability
If a stable pattern environment is used for object detection, then measurement reliability is improved, but encoding bandwidth is reduced
Solution Approach 1:
The patent employs periodic excitation patterns with varying frequencies and timings to encode multiple object parameters. By using periodic actions at different frequencies and combining them through temporal coding, the system increases encoding bandwidth while maintaining measurement reliability through the structured periodic nature of the encoding scheme.
Solution Approach 2:
The system adds temporal dimension to the encoding process by varying patterns over time rather than using static spatial patterns alone. This temporal coding approach multiplies the encoding bandwidth by utilizing time-varying excitation, filtering, and sensing windows, while maintaining reliability through synchronized temporal encoding and decoding.
3Device complexity
If fixed sensing components are used, then device complexity is reduced, but adaptability to varying object parameters is reduced
Solution Approach 1:
The patent implements feedback control where detected object parameters (position, speed, size) are used to adjust subsequent sensing and encoding parameters. The system continuously adapts excitation patterns, filter settings, and integration windows based on real-time object measurements, enabling fixed hardware to achieve variable performance without increasing physical device complexity.
Solution Approach 2:
The sensing system is designed with multi-functional components that can operate in multiple modes. The same excitation source, filter bank, and sensor array can be dynamically reconfigured through software control to detect different object types and parameters, replacing multiple dedicated fixed components with a single adaptable system.
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
This approach enhances the flexibility and robustness of encoding/sensing techniques, allowing for adjustment of patterns based on object-specific parameters and increased encoding bandwidth, providing new types of encoding/sensing not previously possible.
Implementation Method 1
trigger detectors that provide trigger signals for each object
Implementation Method 2
a set of cells that photosense respective subranges of a range of photon energies that emanate from objects
Data Source
AI summary
An encoder/sensor can obtain sensing results from objects in an encoding/sensing region; a trigger detector can respond to objects in a trigger detection region, providing respective trigger signals; and a relative motion component can cause relative motion of objects into the trigger detection region, from it into the encoding/sensing region, and within the encoding/sensing region. In response to an object's trigger signal, control circuitry can cause the encoder/sensor and/or the relative motion component to operate so that the encoder/sensor obtains sensing results indicating a time-varying waveform and processing circuitry can obtain data from the sensing results indicating a time-varying waveform. The time-varying waveform can include information resulting from the relative motion within the encoding/sensing region. The encoder/sensor and trigger detector can be implemented, for example, with discrete components or as sets of cells in a photosensing array on an integrated circuit.