# US 2019/0170517 A1 · Indoor positioning and recording system and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0170517 A1 - Document ID: US20190170517A1 - Status: Published application - Kind: A1 - Application number: 16/205,551 - Filed: 2018-11-30 - Published: 2019-06-06 - Earliest claimed: 2017-12-04 - Assignees: J2Square LLC - Applicants: J2Square LLC - Inventors: Fernando J. Pinho - Web page: https://patentgrep.com/patent/US20190170517A1 ## CPC - G01C 21/206: {specially adapted for indoor navigation} - G01C 21/16: by integrating acceleration or speed, i.e. inertial navigation - G01C 21/1654: {with electromagnetic compass} - G01S 5/0036: {of measured values, i.e. measurement on mobile and position calculation on base station} - G06F 1/163: {Wearable computers, e.g. on a belt} - G06F 1/1694: {the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer} - G06F 1/1698: {the I/O peripheral being a sending/receiving arrangement to establish a cordless communication link, e.g. radio or infrared link, integrated cellular phone (details of antennas disposed inside a computer H01Q1/2266)} - G06Q 10/063114: {Status monitoring or status determination for a person or group} - H04M 1/0202: {Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets (constructional features of telephone transmitters or receivers, e.g. of speakers or microphones H04M1/03)} - H04M 1/72457: according to geographic location - H04W 4/024: Guidance services - H04W 4/33: for indoor environments, e.g. buildings - H04M 1/72412: using two-way short-range wireless interfaces - H04M 1/72454: according to context-related or environment-related conditions - H04M 2250/12: including a sensor for measuring a physical value, e.g. temperature or motion - G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S) - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract An improved positioning and navigational system for indoor use providing reliable positioning signals, other than by use of signals from the global positioning system, in a cost effective manner for use in construction projects, in the building trades, and inspection businesses, activities that relate to using surveys, floorplans, and blueprints, and security systems for a variety of buildings, such as schools, government buildings, apartment buildings, and office buildings. ## Claims ### Claim 1 A system for indoor positioning and navigation comprising: a wireless capable electromechanical device; and a wireless capable electronic computing device in wireless communication with said electromechanical device having a touch screen on which is displayed an indoor floorplan generated by and controlled by a software application running on such computing device, whereby the indoor position of the user of said electromechanical device is represented by an electronically displayed marker on said floorplan, which marker automatically changes its position on said floorplan matching any change in the indoor position of said user. ### Claim 2 (depends on 1) The system of claim 1 in which said electronic computing device is a smartphone. ### Claim 3 (depends on 1, 2) The system of claim 1 or claim 2 in which said electromechanical device comprises: a circuit board, by which are connected the following electronic components: a user switch; a controller chip; a self-contained power source; two or more light signaling elements; two or more crystal oscillators; and an inertial measurement unit. ### Claim 4 (depends on 3) The system of claim 3 in which said self-contained power source is a coin cell battery. ### Claim 5 (depends on 3) The system of claim 3 in which said controller chip is a wireless microcontroller unit selected from the group of units in the model CC26XX family. ### Claim 6 (depends on 3) The system of claim 3 in which said light signaling elements are at least one red color light emitting diode and at least one green color light emitting diode. ### Claim 7 (depends on 3) The system of claim 3 in which said crystal oscillators are at least one 24 MHz crystal oscillator and at least one 32.768 kHz crystal oscillator. ### Claim 8 (depends on 3) The system of claim 3 in which said inertial measurement unit comprises: a three axis accelerometer; a three axis gyroscope; and a three axis magnetometer. ### Claim 9 (depends on 8) The system of claim 8 in which said inertial measurement unit further comprises: a digital motion processor. ### Claim 10 (depends on 9) The system of claim 9 in which said inertial measurement unit is an MPU9250 chip. ### Claim 11 The system as recited in any of the claims above in which said wireless capable devices communicate via blue tooth. ### Claim 12 A method for indoor building construction comprising the steps of: scanning indoor construction documents; uploading said scanned indoor construction documents into a wireless capable server running under the control of an application program; having said scanned indoor construction documents labelled with positioning information by such server in communication with one or more wireless capable electronic positioning devices; downloading said labelled scanned indoor construction documents into one or more wireless capable electronic computing devices having touchscreens held by a user or users based on the location of said user or users at said indoor construction project as determined by positioning information; updating progress of construction work at such locations by uploading comments to said server entered by one or more users of said electronic computing devices into which such labelled construction documents have been downloaded at said indoor location; sharing such uploaded progress information with users of said electronic computing devices; marking a punch list of construction tasks to be performed in such project as such progress information is so uploaded; and completing such punch list, whereby said construction project is completed and such completion has been so recorded. ### Claim 13 (depends on 12) The method of claim 12 in which said wireless capable electronic computing devices having touchscreens are smartphones. ### Claim 14 (depends on 12, 13) The method of claim 12 or claim 13 in which said wireless capability is blue tooth capability. ### Claim 15 (depends on 12, 13) The methods of claim 12, 13, or 14 in which said indoor construction documents are indoor floorplans. ### Claim 16 The methods as recited in any of the claims above in which said wireless capable electronic positioning devices are comprised of: a circuit board, by which are connected the following electronic components: a user switch; a controller chip; a self-contained power source; two or more light signaling elements; two or more crystal oscillators; and an inertial measurement unit. ### Claim 17 (depends on 16) The methods of claim 16 in which said self-contained power source is a coin cell battery. ### Claim 18 (depends on 16) The methods of claim 16 in which said controller chip is a wireless microcontroller unit selected from the group of units in the model CC26XX family. ### Claim 19 (depends on 16) The methods of claim 16 in which said light signaling elements are at least one red color light emitting diode and at least one green color light emitting diode. ### Claim 20 (depends on 16) The methods of claim 16 in which said crystal oscillators are at least one 24 MHz crystal oscillator and at least one 32.768 kHz crystal oscillator. ### Claim 21 (depends on 16) The methods of claim 16 in which said inertial measurement unit comprises: a three axis accelerometer; a three axis gyroscope; and a three axis magnetometer. ### Claim 22 (depends on 21) The methods of claim 21 in which said inertial measurement unit further comprises: a digital motion processor. ### Claim 23 (depends on 21) The methods of claim 21 in which said inertial measurement unit is an MPU9250 chip.