Controlling image capture based on event timing during planting operation

Gerald E. Rains, Eldridge, IA (US)

USPTO: us-12628729 · published 2026-05-19 · patents · A01C 11/006· A01C 11/02· A01C 21/005· H04N 23/64· H04N 23/665

Controlling image capture based on event timing during planting operation

Gerald E. Rains, Eldridge, IA (US) This is my paper

Pith reviewed 2026-05-20 12:32 UTC · model grok-4.3

classification patents A01C 11/006A01C 11/02A01C 21/005H04N 23/64H04N 23/665

keywords agricultural machineplanting operationtiming signalimage capture controloptical sensorevent-driven imagingfrequency reduction

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The pith

An agricultural machine derives image-capture timing directly from its own higher-frequency planting operations.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The patent describes a system in which a planter or similar machine performs repeated operations such as seed placement at one rate while an attached camera records images at a slower rate. A control unit produces a timing signal from the machine's native operation cycle and feeds that signal to the camera controller. Because the timing signal already marks moments when the machine is at a known position relative to the soil, the camera can be triggered only when an image is likely to be useful. This approach avoids the need for separate position sensors or continuous high-speed image streams. The result is lower data volume and simpler hardware for monitoring planting quality during field work.

Core claim

The central claim is that a timing signal generated by the machine's control system in response to time-spaced agricultural operations at a first frequency can be used by an optical sensor control system to capture images at a lower second frequency, thereby coordinating image acquisition with the machine's existing mechanical events without additional sensors.

What carries the argument

Timing signal derived from the controllable subsystem's operation cycle, used to gate the optical sensor at a reduced rate.

If this is right

Camera hardware can operate at lower power and produce smaller data sets while still covering each planting event.
Existing machine controllers require only a modest software addition rather than new mechanical sensors.
Planting quality checks become feasible on machines that previously lacked dedicated vision systems.
Multiple cameras or lights can be synchronized to the same operation-derived clock without extra wiring.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

The same timing principle could extend to other field operations such as spraying or harvesting where events occur at regular intervals.
If the first-frequency operations drift in spacing, the second-frequency images may gradually lose alignment unless the controller compensates.
Data from these timed images could feed into closed-loop adjustments of planting depth or spacing in real time.

Load-bearing premise

The timing signal from the machine's operations will reliably mark moments when the camera view contains useful, unobstructed content.

What would settle it

Field test showing that images captured solely from the operation timing signal frequently miss target features or contain only empty soil or blurred motion.

read the original abstract

1 . An agricultural machine comprising: a controllable subsystem configured to perform a plurality of time-spaced agricultural operations at a first frequency; a control system configured to control the controllable subsystem to perform the plurality of time-spaced agricultural operations and generate a timing signal responsive to timing of the plurality of time-spaced agricultural operations; an optical sensor configured to capture an image; and an optical sensor control system configured to generate an optical sensor control signal to control the optical sensor based on the timing signal to capture images at a second frequency, the first frequency being higher than the second frequency.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Desk Editor's Note private letter to a colleague

This patent simply claims a timing-based trigger for lowering camera frame rate on a planter; nothing technically surprising or tested.

read the letter

The core idea is to derive a slower image-capture trigger directly from the existing timing pulses of the planting mechanism itself. That architecture is internally consistent and avoids extra sensors, which is a modest practical convenience for field equipment. The description is clear about the frequency relationship (first frequency higher than second) and the causal chain from operation events to camera control signal. Beyond that, the document adds no new data, no error bounds, and no comparison against alternative triggering schemes. Because it is a patent rather than a research report, there is no experimental validation or formal proof; correctness is left to the reader to assume. Prior-art citations in the classifications already cover planting actuators and sensor timing, so the incremental step is narrow. A reader working on precision-ag hardware might skim the claim language for implementation hints, but the text does not supply enough detail to reproduce or benchmark the system. For anyone outside that narrow equipment niche the document has little to offer. I would not bring it to a reading group or cite it in technical work. If an editor received this as a manuscript rather than a patent filing, I would recommend desk rejection rather than sending it for peer review.

Referee Report

0 major / 1 minor

Summary. The manuscript describes an agricultural machine with a controllable subsystem that executes time-spaced operations (e.g., planting) at a first frequency, a control system that produces a timing signal synchronized to those operations, and an optical-sensor controller that derives lower-frequency (second-frequency) triggers from the timing signal to capture images.

Significance. The architecture provides a straightforward mechanism for event-driven image acquisition that re-uses existing operational timing, which could reduce data volume and power draw in precision-agriculture platforms if the timing signal reliably aligns with useful imaging windows.

minor comments (1)

[Abstract / Claim 1] The single claim (Abstract) enumerates components and causal links but supplies no concrete frequency values, example duty cycles, or validation that the derived triggers actually produce usable coverage; adding one worked example would strengthen the disclosure.

Simulated Author's Rebuttal

0 responses · 0 unresolved

We thank the referee for the concise and accurate summary of the manuscript and for the positive significance assessment. The recommendation for minor revision is noted. No specific major comments were provided in the report, so we have no points requiring point-by-point rebuttal or textual changes at this time.

Circularity Check

0 steps flagged

No significant circularity

full rationale

The patent is a pure system-architecture claim enumerating components and causal links (controllable subsystem at frequency f1, timing-signal generator, optical-sensor controller at f2 < f1). No equations, derivations, fitted parameters, predictions, ansatzes, or citations appear anywhere in the text; therefore no load-bearing step can reduce to its own inputs by construction.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

The claim rests on the unstated premise that the agricultural operations occur at a sufficiently regular first frequency to serve as a usable clock for the sensor subsystem.

axioms (1)

domain assumption Agricultural operations occur at a stable, measurable first frequency that can be used directly as a timing reference.
Invoked by the requirement that the timing signal be generated responsive to the plurality of time-spaced operations.

pith-pipeline@v0.9.0 · 5657 in / 1122 out tokens · 19912 ms · 2026-05-20T12:32:14.834490+00:00 · methodology

Controlling image capture based on event timing during planting operation

Core claim

What carries the argument

If this is right

Where Pith is reading between the lines

Load-bearing premise

What would settle it

discussion (0)