Abstract

An object-positioning system has a plurality of reference devices, one or more target devices at unknown positions and in communication with the plurality of reference devices via one or more wireless signal sets, at least one processing unit; and one or more signal-retransmission devices each in communication with at least a subset of the plurality of reference devices, at least a subset of the one or more target devices, and at least a subset of the at least one processing unit for populating object-positioning related data therebetween. The at least one processing unit is configured for: for each of the one or more target devices, determining the distance between the target device and each of the plurality of reference devices based on the wireless signal set communicated between said reference and target devices, and determining the position of said target device based on the determined distances.

IPC Classes  ?

• G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves

Abstract

A range-finding and/or object-positioning system comprises one or more target devices; one or more reference devices communicating with said one or more target devices via one or more wireless signal sets, each wireless signal set comprising at least a first-speed signal having a first transmission speed and a second-speed signal having a second transmission speed, and the first transmission speed being higher than the second transmission speed; and at least one processing unit performing actions for determining at least one distance between one target device and one reference device based on the time difference between the receiving time of the first-speed signal and the receiving time of the second-speed signal of the wireless signal set communicated between said reference and target devices.

IPC Classes  ?

• H04L 23/00 - Apparatus or local circuits for telegraphic systems other than those covered by groups
• H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
• G01S 11/16 - Systems for determining distance or velocity not using reflection or reradiation using difference in transit time between electromagnetic and sonic waves
• G01S 5/30 - Determining absolute distances from a plurality of spaced points of known location
• G01S 1/74 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic, or infrasonic waves - Details
• H04L 1/00 - Arrangements for detecting or preventing errors in the information received
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• G01S 1/80 - Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional transducers or transducer systems spaced apart, i.e. path-difference systems

Abstract

A positioning system has an initiator device configured for emitting a high-speed wireless signal, at least one reference device configured for receiving the high-speed wireless signal and emitting a low-speed wireless signal after receiving the high-speed wireless signal, at least one target device each having one or more components for receiving the low-speed wireless signals, and at least one engine configured for determining the position of each of the at-least-one target device by calculating the distance between the target device and each of the at-least-one reference device based on at least the times-of-arrival of the low-speed wireless signals, each time-of-arrival being the time that the corresponding low-speed wireless signal being received by the target device, and determining the position of the target device based on the calculated distances.

IPC Classes  ?

• G01S 5/14 - Determining absolute distances from a plurality of spaced points of known location
• H04W 4/02 - Services making use of location information
• G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
• H04W 4/029 - Location-based management or tracking services
• G01S 5/00 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations

Abstract

A range-finding and/or object-positioning system comprises one or more target devices; one or more reference devices communicating with said one or more target devices via one or more wireless signal sets, each wireless signal set comprising at least a first-speed signal having a first transmission speed and a second-speed signal having a second transmission speed, and the first transmission speed being higher than the second transmission speed; and at least one processing unit performing actions for determining at least one distance between one target device and one reference device based on the time difference between the receiving time of the first-speed signal and the receiving time of the second-speed signal of the wireless signal set communicated between said reference and target devices.

IPC Classes  ?

• H04L 23/00 - Apparatus or local circuits for telegraphic systems other than those covered by groups
• H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
• G01S 1/74 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic, or infrasonic waves - Details
• G01S 11/16 - Systems for determining distance or velocity not using reflection or reradiation using difference in transit time between electromagnetic and sonic waves
• H04L 1/00 - Arrangements for detecting or preventing errors in the information received
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• G01S 5/30 - Determining absolute distances from a plurality of spaced points of known location
• G01S 1/80 - Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional transducers or transducer systems spaced apart, i.e. path-difference systems

Abstract

A positioning system has an initiator device configured for emitting a high-speed wireless signal, at least one reference device configured for receiving the high-speed wireless signal and emitting a low-speed wireless signal after receiving the high-speed wireless signal, at least one target device each having one or more components for receiving the low-speed wireless signals, and at least one engine configured for determining the position of each of the at-least-one target device by calculating the distance between the target device and each of the at-least-one reference device based on at least the times-of-arrival of the low-speed wireless signals, each time-of-arrival being the time that the corresponding low-speed wireless signal being received by the target device, and determining the position of the target device based on the calculated distances.

IPC Classes  ?

• G01S 5/14 - Determining absolute distances from a plurality of spaced points of known location
• H04W 4/02 - Services making use of location information
• G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
• G01S 5/00 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations
• H04W 4/029 - Location-based management or tracking services

Abstract

A 3D input system and an angle encoder are disclosed. The 3D input system comprises a computing device and one or more position sensing gloves. The position sensing glove comprises a plurality of angle encoders each installed thereon at a location about a finger joint. An inertial measurement unit (IMU) is installed on the glove. A firmware uses data from the angle encoders and IMU to calculate fingertip positions in a 3D space. The firmware generates keystrokes on a virtual keyboard based on the fingertip positions. The angle encoder comprises a first and a second components rotatable with respect to each other, and an encoder pattern comprising codewords for indicating the angle between the first and second components. The encoder pattern comprises a set of base encoder channels coded with a conventional Gray code, and a set of Booster channels for improving the resolution of angle measurement.

IPC Classes  ?

• H03M 1/28 - Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
• G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
• H04W 4/70 - Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• G06F 3/0488 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
• G01D 5/241 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
• G01D 5/16 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance
• H03M 7/30 - Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
• G06N 7/00 - Computing arrangements based on specific mathematical models

Abstract

A range-finding and/or object-positioning system comprises one or more target devices; one or more reference devices communicating with said one or more target devices via one or more wireless signal sets, each wireless signal set comprising at least a first-speed signal having a first transmission speed and a second-speed signal having a second transmission speed, and the first transmission speed being higher than the second transmission speed; and at least one processing unit performing actions for determining at least one distance between one target device and one reference device based on the time difference between the receiving time of the first-speed signal and the receiving time of the second-speed signal of the wireless signal set communicated between said reference and target devices.

IPC Classes  ?

• H04L 23/00 - Apparatus or local circuits for telegraphic systems other than those covered by groups
• H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
• G01S 1/74 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic, or infrasonic waves - Details
• G01S 11/16 - Systems for determining distance or velocity not using reflection or reradiation using difference in transit time between electromagnetic and sonic waves
• H04L 1/00 - Arrangements for detecting or preventing errors in the information received
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• G01S 5/30 - Determining absolute distances from a plurality of spaced points of known location
• G01S 1/80 - Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional transducers or transducer systems spaced apart, i.e. path-difference systems

Abstract

A 3D input system and an angle encoder are disclosed. The 3D input system comprises a computing device and one or more position sensing gloves. The position sensing glove comprises a plurality of angle encoders each installed thereon at a location about a finger joint. An inertial measurement unit (IMU) is installed on the glove. A firmware uses data from the angle encoders and IMU to calculate fingertip positions in a 3D space. The firmware generates keystrokes on a virtual keyboard based on the fingertip positions. The angle encoder comprises a first and a second components rotatable with respect to each other, and an encoder pattern comprising codewords for indicating the angle between the first and second components. The encoder pattern comprises a set of base encoder channels coded with a conventional Gray code, and a set of Booster channels for improving the resolution of angle measurement.

IPC Classes  ?

• H03M 1/28 - Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
• G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
• G06F 3/0488 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
• H04W 4/70 - Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• G01D 5/241 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
• G01D 5/16 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance
• H03M 7/30 - Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
• G06N 7/00 - Computing arrangements based on specific mathematical models

Abstract

A positioning system has an initiator device configured for emitting a high-speed wireless signal, at least one reference device configured for receiving the high-speed wireless signal and emitting a low-speed wireless signal after receiving the high-speed wireless signal, at least one target device each having one or more components for receiving the low-speed wireless signals, and at least one engine configured for determining the position of each of the at-least-one target device by calculating the distance between the target device and each of the at-least-one reference device based on at least the times-of-arrival of the low-speed wireless signals, each time-of-arrival being the time that the corresponding low-speed wireless signal being received by the target device, and determining the position of the target device based on the calculated distances.

IPC Classes  ?

• G01S 5/14 - Determining absolute distances from a plurality of spaced points of known location
• H04W 4/02 - Services making use of location information
• G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
• G01S 5/00 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations
• H04W 4/029 - Location-based management or tracking services

Abstract

A range-finding and/or object-positioning system comprises one or more target devices; one or more reference devices communicating with said one or more target devices via one or more wireless signal sets, each wireless signal set comprising at least a first-speed signal having a first transmission speed and a second-speed signal having a second transmission speed, and the first transmission speed being higher than the second transmission speed; and at least one processing unit performing actions for determining at least one distance between one target device and one reference device based on the time difference between the receiving time of the first-speed signal and the receiving time of the second-speed signal of the wireless signal set communicated between said reference and target devices.

IPC Classes  ?

• H04L 23/00 - Apparatus or local circuits for telegraphic systems other than those covered by groups
• H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
• H04L 1/00 - Arrangements for detecting or preventing errors in the information received
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• G01S 5/30 - Determining absolute distances from a plurality of spaced points of known location
• G01S 11/16 - Systems for determining distance or velocity not using reflection or reradiation using difference in transit time between electromagnetic and sonic waves

Abstract

An angle encoder has first and second components rotatable with respect to each other, and an encoder pattern having codewords for indicating the angle between the first and second components. The encoder pattern has a set of base encoder channels coded with a conventional Gray code, and a set of Booster channels for improving the resolution of angle measurement.

IPC Classes  ?

• H03M 1/22 - Analogue/digital converters pattern-reading type
• H03M 1/28 - Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
• G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
• G01D 5/241 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
• G06F 3/0488 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
• G01D 5/16 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance
• H03M 7/30 - Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
• G06N 7/00 - Computing arrangements based on specific mathematical models

Abstract

A range-finding and/or object-positioning system comprises one or more target devices; one or more reference devices communicating with said one or more target devices via one or more wireless signal sets, each wireless signal set comprising at least a first-speed signal having a first transmission speed and a second-speed signal having a second transmission speed, and the first transmission speed being higher than the second transmission speed; and at least one processing unit performing actions for determining at least one distance between one target device and one reference device based on the time difference between the receiving time of the first-speed signal and the receiving time of the second-speed signal of the wireless signal set communicated between said reference and target devices.

IPC Classes  ?

• H04L 23/00 - Apparatus or local circuits for telegraphic systems other than those covered by groups
• H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
• H04L 1/00 - Arrangements for detecting or preventing errors in the information received
• H04L 5/00 - Arrangements affording multiple use of the transmission path

Abstract

A positioning system is disclosed. The positioning system has a map database, a processing engine and a plurality of wireless communication devices including at least a first wireless communication device at a known position and a second wireless communication device at an unknown position. The processing engine determines the position of the second device based on the RSS measurements of a wireless signal transmitted between the first and second devices, the inertial measurements from the second device and the position of the first wireless communication device.

IPC Classes  ?

• G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
• H04B 17/318 - Received signal strength
• G01C 21/20 - Instruments for performing navigational calculations

Abstract

An angle encoder has first and second components rotatable with respect to each other, and an encoder pattern having codewords for indicating the angle between the first and second components. The encoder pattern has a set of base encoder channels coded with a conventional Gray code, and a set of Booster channels for improving the resolution of angle measurement.

IPC Classes  ?

• H03M 1/22 - Analogue/digital converters pattern-reading type
• H03M 1/28 - Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
• G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
• G01D 5/241 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
• G06F 3/0488 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
• G01D 5/16 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance
• H03M 7/30 - Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
• H04W 4/00 - Services specially adapted for wireless communication networks; Facilities therefor
• G06N 7/00 - Computing arrangements based on specific mathematical models

Abstract

A 3D input system and an angle encoder are disclosed. The 3D input system comprises a computing device and one or more position sensing gloves. The position sensing glove comprises a plurality of angle encoders each installed thereon at a location about a finger joint. An inertial measurement unit (IMU) is installed on the glove. A firmware uses data from the angle encoders and IMU to calculate fingertip positions in a 3D space. The firmware generates keystrokes on a virtual keyboard based on the fingertip positions. The angle encoder comprises a first and a second components rotatable with respect to each other, and an encoder pattern comprising codewords for indicating the angle between the first and second components. The encoder pattern comprises a set of base encoder channels coded with a conventional Gray code, and a set of Booster channels for improving the resolution of angle measurement.

IPC Classes  ?

• H03M 1/28 - Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
• G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
• G01D 5/241 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
• G06F 3/0488 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
• G01D 5/16 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance
• H03M 7/30 - Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
• H04W 4/70 - Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• G06N 7/00 - Computing arrangements based on specific mathematical models

Abstract

An angle encoder has first and second components rotatable with respect to each other, and an encoder pattern having codewords for indicating the angle between the first and second components. The encoder pattern has a set of base encoder channels coded with a conventional Gray code, and a set of Booster channels for improving the resolution of angle measurement.

IPC Classes  ?

• H03M 1/22 - Analogue/digital converters pattern-reading type
• H03M 1/28 - Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
• G01D 5/241 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes