# US 2023/0406432 A1 · A bicycle light device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0406432 A1 - Document ID: US20230406432A1 - Status: Published application - Kind: A1 - Application number: 18/036,606 - Filed: 2021-11-11 - Published: 2023-12-21 - Earliest claimed: 2020-11-12 - Assignees: Project Flock Pty Ltd - Applicants: Project Flock Pty Ltd - Inventors: Timothy Ottaway - Web page: https://patentgrep.com/patent/US20230406432A1 ## CPC - B62J 6/26: warning or informing other road users, e.g. police flash lights - B62J 6/015: using electrical power not supplied by the cycle motor generator, e.g. using batteries or piezo elements - B62J 6/04: Rear lights - B62J 45/20: Cycle computers as cycle accessories - B62J 45/414: Acceleration sensors - B62J: CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS ## Abstract A bicycle light device has a body encapsulating direct visibility lighting and leg motion reflective lighting. The lighting is respectively directed so that, when the device is attached to a bicycle in use, the leg motion reflective lighting casts illuminating light downwardly and forwardly with respect to a visible beam directed rearwardly by the direct visibility lighting to enhance leg motion cognitive awareness in other road users. ## Claims ### Claim 1 A bicycle light device having a body encapsulating direct visibility lighting and leg motion reflective lighting, the lighting respectively directed so that, when the device is attached to a bicycle in use, the leg motion reflective lighting casts illuminating light downwardly and forwardly with respect to a visible beam directed rearwardly by the direct visibility lighting to reflect light from rider legs to enhance leg motion cognitive awareness. ### Claim 2 (depends on 1) The device as claimed in claim 1, wherein a downward component of the illuminating light is greater than a forward component of the illuminating light. ### Claim 3 (depends on 1) The device as claimed in claim 1, wherein a beam angle between centres of the visible beam and the illuminating light is greater than 90°. ### Claim 4 (depends on 3) The device as claimed in claim 3, wherein the beam angle is approximately 103°. ### Claim 5 (depends on 3) The device as claimed in claim 3, wherein the housing comprises a rear surface and an undersurface angled less than 90° to the rear surface and wherein the visible beam emanates from the rear surface and the illuminating light emanates from the undersurface. ### Claim 6 (depends on 1) The device as claimed in claim 1, wherein the illuminating light is beamformed. ### Claim 7 (depends on 6) The device as claimed in claim 6, wherein an illuminating light beam diverges by between approximately 17° and 20° either side. ### Claim 8 (depends on 6) The device as claimed in claim 6, wherein the illuminating light is beamformed into a short throw wide beam and a long throw narrow beam. ### Claim 9 (depends on 8) The device as claimed in claim 8, wherein the short throw wide beam diverges by approximately 20° either side. ### Claim 10 (depends on 8) The device as claimed in claim 8, wherein the long throw narrow beam diverges by approximately 17° either side. ### Claim 11 (depends on 6) The device as claimed in claim 6, wherein an illuminating light beam diverges by approximately 40° front-to-rear. ### Claim 12 (depends on 1) The device as claimed in claim 1, wherein the leg motion reflective lighting comprises a pair of lights casting respective sideways angled illuminating light. ### Claim 13 (depends on 1) The device as claimed in claim 1, wherein the illuminating light is diffused. ### Claim 14 (depends on 1) The device as claimed in claim 1, wherein the body comprises a transparent cover comprising a plurality of light guide rails and wherein light from at least one of the direct visibility lighting and the leg motion reflective lighting illuminates the rails. ### Claim 15 (depends on 1) The device as claimed in claim 1, wherein the device comprises a controller configured to control the direct visibility lighting and the leg motion reflective lighting independently. ### Claim 16 (depends on 1) The device as claimed in claim 1, wherein the device comprises a controller and a sensor operably coupled to the controller and wherein the controller controls the direct visibility lighting and the leg motion reflective lighting independently according to readings from the sensor. ### Claim 17 (depends on 16) The device as claimed in claim 16, wherein the sensor is a light sensor and wherein the controller is programmed to operate the leg motion reflective lighting when a light reading from the light sensor falls beneath a threshold. ### Claim 18 (depends on 16) The device as claimed in claim 16, wherein the sensor is a light sensor and wherein the controller is programmed to control an intensity of the leg motion reflective lighting inversely proportional to the light reading. ### Claim 19 (depends on 16) The device as claimed in claim 16, wherein the sensor is an accelerometer and wherein the controller is programmed to at least one of classify terrain and determine speed according to at least one of vibrational frequency and intensity detected by the accelerometer. ### Claim 20 (depends on 19) The device as claimed in claim 19, wherein the controller is configured for controlling the operation of the leg motion reflective lighting depending on a terrain classification.