# US 9,438,774 B2 · Intrapersonal data communication systems > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,438,774 B2 - Document ID: US9438774B2 - Status: Granted - Kind: B2 - Application number: 15/051,082 - Filed: 2016-02-23 - Published: 2016-06-16 - Granted: 2016-09-06 - Earliest claimed: 2012-02-09 - Assignees: N2 Imaging Systems, LLC - Applicants: N2 Imaging Systems, LLC - Inventors: David Michael Masarik - Web page: https://patentgrep.com/patent/US9438774B2 ## CPC - H04N 23/51: Housings - G02B 27/017: {Head mounted} - H04B 1/385: {Transceivers carried on the body, e.g. in helmets} - H04B 10/11: Arrangements specific to free-space transmission, i.e. transmission through air or vacuum - H04B 10/114: Indoor or close-range type systems - H04B 10/1143: {Bidirectional transmission} - H04B 10/25: Arrangements specific to fibre transmission - H04B 10/2575: Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier - H04B 10/25891: {Transmission components (H04B10/40 takes precedence)} - H04B 10/40: Transceivers - H04B 10/803: {Free space interconnects, e.g. between circuit boards or chips} - H04N 5/77: between a recording apparatus and a television camera - H04N 5/772: {the recording apparatus and the television camera being placed in the same enclosure} - H04N 7/185: {from a mobile camera, e.g. for remote control} - H04N 23/54: Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils - H04B 2001/3866: {carried on the head} - H04N 23/23: from thermal infrared radiation - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - H04B: TRANSMISSION ## Abstract Intrapersonal communication systems and methods that provide an optical digital signal link between two or more local devices are disclosed. In some embodiments, the system includes a first signal converter disposed at a first end of the optical digital signal link and configured to convert between, electrical digital signals from a first local device and optical digital signals from the optical digital signal link. The system can include an optical connector having a non-contact portion configured, to couple optical digital signals between the first signal converter and the optical digital signal link across a gap. The system can include a second signal converter disposed at a second end of the optical digital signal link and configured to convert between electrical digital signals from the second local device and optical digital signals from the optical digital signal link. ## Claims ### Claim 1 A visualization system comprising: a housing; an image sensor positioned within the housing; a mount interface; a plurality of electrical connectors positioned on the mount interface, individual electrical connectors configured to transmit electrical voltages; a non-contact optical connector positioned on the mount interface, the non-contact optical connector configured to transmit or receive optical signals across a gap, wherein the mount interface is configured to releasably mate with a corresponding mounting interface of mounting hardware that is configured to position the visualization system with, respect to a headgear system, and wherein, when mated with the corresponding mounting interface of the mounting hardware, the non-contact optical connector is configured to convey optical digital signals between the visualization system and the headgear system across the gap. ### Claim 2 (depends on 1) The visualization system of claim 1, wherein the mount interface is integrally formed on the housing. ### Claim 3 (depends on 1) The visualization system of claim 1, wherein the mount interface is releasably attached to the housing. ### Claim 4 (depends on 1) The visualization system of claim 1, wherein the plurality of electrical connectors comprises a power connector, a return connector, a redundant power connector, and a redundant return connector. ### Claim 5 (depends on 1) The visualization system of claim 1, wherein the non-contact optical connector comprises an optical element disposed within a cavity of the non-contact optical connector. ### Claim 6 (depends on 5) The visualization system of claim 5, wherein the optical element comprises a lens. ### Claim 7 (depends on 1) The visualization system of claim 1, wherein the non-contact optical connector comprises a fiber optic cable adjacent to a transparent window. ### Claim 8 (depends on 7) The visualization system of claim 7, wherein the transparent window has an external surface that is substantially level with a surface of the mount interface. ### Claim 9 (depends on 1) The visualization system of claim 1, wherein the visualization system comprises night-vision goggles. ### Claim 10 (depends on 1) The visualization system of claim 1 further comprising a second non-contact optical connector positioned on the mount interface, the second non-contact optical connector configured to transmit or receive optical signals across a second gap. ### Claim 11 (depends on 1) The visualization system of claim 1, wherein the visualization system comprises night-vision goggles. ### Claim 12 A visualization system comprising: a housing comprising a mount interface; an image sensor positioned within the housing; an image processing system positioned within the housing, the image processing system configured to receive signals from the image sensor and to generate electrical digital signals in response to the received signals, the electrical digital signals comprising video data; an optical signal conversion system positioned within the housing, the optical signal conversion system configured to generate an optical digital signal corresponding to the received electrical digital signals; a fiber optic cable positioned within the housing, a first end of the fiber optic cable configured to receive the electrical digital signals from the optical signal conversion system; a plurality of electrical connectors positioned on the mount interface, individual electrical connectors configured to transmit electrical voltages; a non-contact optical connector positioned on the mount interface, the non-contact optical connector configured to transmit optical signals across a gap, wherein a second end of the fiber optic cable is positioned in a cavity of the non-contact optical connector such that the optical digital signal is transmitted across the gap from the second end of the fiber optic cable, wherein, when mated with a corresponding mounting interface of mounting hardware on a headgear system, the non-contact optical connector is configured to convey the optical digital signal between the visualization system and the headgear system across the gap thereby transmitting video data to the headgear system. ### Claim 13 (depends on 12) The visualization system of claim 12 further comprising a controller configured to direct electrical power to the optical signal converter. ### Claim 14 (depends on 13) The visualization system of claim 13, wherein the controller is configured to direct less than or equal to about 500 mW of electrical power to the optical signal converter during conversion of the electrical digital signal to the optical digital signal. ### Claim 15 (depends on 14) The visualization system of claim 14, wherein the optical signal converter is configured to operate at a transmission rate that is less than or equal to about 10 Gbps. ### Claim 16 (depends on 13) The visualization system of claim 13, wherein the controller is configured to direct less than or equal to about 50 mW of electrical power to the optical signal converter during conversion of the electrical digital signal to the optical digital signal, a transmission of rate of the signal converter being less than or equal to about 2 Gbps. ### Claim 17 (depends on 12) The visualization system of claim 12, wherein the non-contact optical connector further comprises a lens positioned at the second end of the fiber optic cable. ### Claim 18 (depends on 17) The visualization system of claim 17, wherein the lens is configured to substantially collimate the optical digital signal for transmission across the gap. ### Claim 19 (depends on 12) The visualization system of claim 12, wherein the non-contact optical connector further comprises a transparent window at the second end of the fiber optic cable. ### Claim 20 (depends on 19) The visualization system of claim 19, wherein the transparent window has an exterior surface that is substantially level with a surface of the mount interface.