Koito Manufacturing has patented a multi-function vehicle lamp featuring multiple light emitting diodes. The design includes a switch that halts current to the tail input when the turn input is activated, ensuring compliance with vehicle current meter requirements and preventing turn indicator failure detection. GlobalData’s report on Koito Manufacturing gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Koito Manufacturing, AV lighting system was a key innovation area identified from patents. Koito Manufacturing's grant share as of July 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Multi-function vehicle lamp with led and current control
The patent US12065071B2 describes a vehicle lamp that utilizes a plurality of light-emitting diodes (LEDs) to provide illumination in response to signals from turn and tail inputs. The lamp features a switch designed to selectively block current flow from the tail input to the LEDs when a signal is received on the turn input. This design allows the lamp to prioritize turn signals over tail lights, ensuring that the turn signal is clearly visible. Additionally, the switch is configured to permit current flow from the tail input when no turn signal is active, maintaining the functionality of the tail lights. The lamp can also incorporate a stop input, which similarly interacts with the turn input to manage current flow to the LEDs.
Further claims detail the technical aspects of the switching mechanism, which may include multiple transistors to control the current flow effectively. The design allows for a combined turn/stop input, enhancing the lamp's functionality while minimizing the complexity of wiring. The patent also outlines a method for controlling the lamp, emphasizing the role of a controller or control circuitry in managing current flow based on the signals received. This innovative approach not only improves visibility and safety for vehicle signaling but also optimizes the electrical load management within the lamp system.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
