Laser Position Sensor with Composite Array for Precision Detection

The patent combines multiple light receiving elements into a single integrated array structure where elements are electrically connected in sequence. Instead of providing separate amplifiers and comparators for each element, the invention merges the signal processing functions into a unified circuit architecture that processes signals from all elements through shared components, thereby reducing overall device complexity while maintaining detection precision.

The patent implements universal signal processing circuits that can handle inputs from multiple light receiving elements. The amplifier and comparator circuits are designed to process signals from any position in the array through a common pathway, making the system multi-functional rather than requiring dedicated circuits for each element. This universal approach reduces the total number of circuit elements needed.

The patent applies local quality by creating overlapping detection zones between adjacent light receiving elements. Each element is optimized to detect signals within its local region, and the overlapping regions provide redundant detection capability. This local optimization ensures that even as the overall array length increases, each local segment maintains high detection precision through specialized circuit tuning.

The patent incorporates feedback mechanisms where the output signals from the light receiving element array are processed and fed back to adjust the sensitivity and response characteristics of the detection circuit. This feedback loop allows the system to compensate for the decreased amplitude-frequency response that occurs with longer array lengths, thereby maintaining detection precision across extended ranges.

The patent segments the detection function across multiple light receiving elements while using a shared, simplified circuit architecture. Instead of reducing the number of light receiving elements (which would compromise precision), the invention segments the signal processing into stages where multiple elements feed into common amplification and comparison circuits. This segmentation allows cost reduction through circuit simplification while maintaining the parallel detection capability needed for precision.

The patent uses a standardized, replicated light receiving element design that can be manufactured using the same process for all elements in the array. This copying approach ensures consistency in detection characteristics across all elements while allowing the use of identical, optimized circuit designs for signal processing, thereby reducing manufacturing costs through standardization without sacrificing individual element performance.