# US 12,222,255 B2 · Impact indicator > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,222,255 B2 - Document ID: US12222255B2 - Status: Granted - Kind: B2 - Application number: 17/304,039 - Filed: 2021-06-14 - Published: 2021-09-30 - Granted: 2025-02-11 - Earliest claimed: 2017-10-26 - Assignees: ShockWatch, Inc. - Applicants: ShockWatch, Inc. - Inventors: Anthony N. Fonk; Aldric Lee - Web page: https://patentgrep.com/patent/US12222255B2 ## CPC - G01L 5/0052: {measuring forces due to impact (G01L5/0061, G01L5/14 take precedence; impact testing of structures G01M7/08; impact testing of material G01N3/00)} - G01L 1/04: by measuring elastic deformation of gauges, e.g. of springs - G01P 15/0891: {with indication of predetermined acceleration values (G01P15/135 takes precedence)} - H04L 9/0637: {Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]} - H04L 9/3239: {involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD} - G06K 19/0717: {the sensor being capable of sensing environmental conditions such as temperature history or pressure} - H04L 9/50: {using hash chains, e.g. blockchains or hash trees} - H04L 2209/805: Lightweight hardware, e.g. radio-frequency identification [RFID] or sensor - G01L: MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE (weighing G01G) - G01P: MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT (measuring or recording blood flow A61B5/02, A61B8/06; monitoring speed or deceleration of electrically-propelled vehicles B60L3/00; vehicle lighting systems adapted to indicate speed B60Q1/54; determining position or course in navigation, measuring ground distance in geodesy or surveying G01C; combined measuring devices for measuring two or more variables of movement G01C23/00; measuring velocity of sound G01H; measuring velocity of light G01J7/00; measuring direction or velocity of solid objects by reception or emission of radiowaves or other waves and based on propagation effects, e.g. Doppler effect, propagation time, direction of propagation, G01S; measuring speed of nuclear radiation G01T; measuring acceleration of gravity G01V; {measuring or recording the speed of trains B61L23/00; speed indicators incorporated in motor vehicles B60K35/00; measuring frequency or phase G01R; traffic control G08G}) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - G06K: GRAPHICAL DATA READING (image or video recognition or understanding G06V); PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS ## Abstract According to one aspect of the present disclosure, a device and technique for impact detection includes an impact indicator having a housing enclosing a detection assembly where the detection assembly is configured to detect an acceleration event. A module is configured to output data indicative of an activation state of the detection assembly. The indicator also includes logic configured to blockchain the data output by the module. ## Claims ### Claim 1 An impact indicator, comprising: a housing enclosing a detection assembly, the detection assembly configured to detect an acceleration event; circuitry configured to output from the impact indicator a first value in a non-activated state of the impact indicator and a second value in an activated state of the impact indicator; and logic configured to, each time the circuitry is powered based on radio waves received by the circuitry, add to blockchain data created by the logic the first value based on the impact indicator being in the non-activated state or the second value based on the impact indicator being in the activated state. ### Claim 2 (depends on 1) The impact indicator of claim 1, wherein the circuitry comprises radio-frequency identification (RFID) circuitry. ### Claim 3 (depends on 1) The impact indicator of claim 1, wherein the logic is configured to encrypt the blockchain data. ### Claim 4 (depends on 1) The impact indicator of claim 1, wherein the logic is configured to digitally sign the blockchain data. ### Claim 5 (depends on 1) The impact indicator of claim 1, wherein the circuitry comprises RFID circuitry, and wherein the logic is configured to create a piece of the blockchain data each time the RFID circuitry is energized. ### Claim 6 (depends on 1) The impact indicator of claim 1, wherein the logic is configured to create a piece of the blockchain data based on a unique identifier assigned to the indicator. ### Claim 7 (depends on 1) The impact indicator of claim 1, wherein the logic is configured to create a piece of the blockchain data based on an identifier associated with an object to which the impact indicator is associated. ### Claim 8 An impact indicator, comprising: a housing enclosing a detection assembly, the detection assembly configured to detect an acceleration event; a memory storing a plurality of entries; circuitry configured to output blockchain data indicative of an activation state of the detection assembly; and logic configured to, each time the circuitry is powered based on radio waves received by the circuitry, add a next sequential entry from the plurality of entries to the blockchain data output by the circuitry. ### Claim 9 (depends on 8) The impact indicator of claim 8, wherein the logic is configured to timestamp the data. ### Claim 10 (depends on 9) The impact indicator of claim 9, wherein the logic is configured to create a piece of the blockchain data using a unique identifier. ### Claim 11 (depends on 9) The impact indicator of claim 9, wherein the logic is configured to create a piece of the blockchain data based on a unique identifier assigned to the indicator. ### Claim 12 (depends on 8) The impact indicator of claim 8, wherein the logic is configured to digitally sign the blockchain data output by the indicator. ### Claim 13 An impact indicator, comprising: a housing enclosing a detection assembly configured to detect an acceleration event; switch circuitry; communication circuitry coupled to the switch circuitry, wherein responsive to detecting the acceleration event, the detection assembly causes a change in the switch circuitry from a first state to a second state, and wherein the communication circuitry is configured to output blockchain data to indicate detection of the acceleration event; and logic configured to create the blockchain data output by the impact indicator, the blockchain data including a first value in the first state or a second value in the second state, each time the communication circuitry is powered based on radio waves received by the communication circuitry. ### Claim 14 (depends on 13) The impact indicator of claim 13, wherein the communication circuitry comprises passive RFID circuitry. ### Claim 15 (depends on 13) The impact indicator of claim 13, wherein the logic is configured to create a piece of the blockchain data using a unique identifier. ### Claim 16 (depends on 13) The impact indicator of claim 13, wherein the logic is configured to create a piece of the blockchain data based on a unique identifier assigned to the indicator. ### Claim 17 (depends on 13) The impact indicator of claim 13, wherein the logic is configured to create a piece of the blockchain data based on a unique identifier assigned to an object to which the indicator is secured. ### Claim 18 (depends on 13) The impact indicator of claim 13, wherein the logic is configured to create successive pieces of the blockchain data by sequentially selecting entries from a table. ### Claim 19 (depends on 13) The impact indicator of claim 13, wherein the logic is configured to digitally sign the blockchain data. ### Claim 20 (depends on 13) The impact indicator of claim 13, wherein the logic is configured to encrypt the blockchain data.