Class 377/23 - Acceleration

Subclass of Class 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
Definition: Subject matter where the parameter is acceleration.
No. of patents: 32
Last issue date: 09/23/2008

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Number	Title	Issue Date
7428471	Monitoring activity of a user in locomotion on foot A user in locomotion on foot during an outing may identify a grade of a surface with at least one device supported by the user. A performance parameter of the user may be determined with the device based upon the grade of the surface, which may be based upon a measu...	09/23/2008
7428472	Monitoring activity of a user in locomotion on foot A device supported by a user while the user is in locomotion on foot during an outing may monitor a performance parameter of the user. The performance parameter may comprise a pace and/or a speed of the user. Prior to the outing, the device may be configured to spec...	09/23/2008
7263461	Electronic pedometer An electronic pedometer has a walk sensor that detects a walking movement of a user and outputs a walk signal corresponding to the walking movement. The walk sensor has a sensitivity axis along which a detection sensitivity of the walking movement by the walk sensor...	08/28/2007
7237446	System and method for measuring gait kinematics information A system for measuring gait kinematics information during exercise of a subject comprising a fixing member adapted for fixing onto the trunk of the body of the subject; an acceleration sensor attached to the fixing member for sensing the vertical acceleration of the...	07/03/2007
7212943	Body motion detection device, pitch meter, wristwatch-type information processing device, method for controlling thereof, control program, and storage medium A body motion detection device is provided that is configured to be attached to a forearm of a user to detect a body motion of the human body to detect body motions of the user. The body motion detection device basically comprises a body motion sensor unit and a bod...	05/01/2007
7200517	Monitoring activity of a user in locomotion on foot In one embodiment, an apparatus comprises a mount, a housing, and a sensor. The mount is adapted to be disposed at least partially underneath a shoelace of a shoe. The housing is configured and arranged to be placed in at least first and second states in relation to...	04/03/2007
6536139	Detachable foot mount for electronic device In one embodiment, an apparatus includes a mount, a housing, and a sensor. The mount is adapted to be disposed at least partially underneath a shoelace of a shoe, and the housing is adapted to be releasably attached to the mount. There is a tongue on one ...	03/25/2003
6507799	Method and apparatus for reducing microprocessor speed requirements in data acquisition applications A method and apparatus for improving microprocessor data acquisition. Noise in analog signals is removed by a low pass filter with a variable cutoff frequency controlled to cut off all frequencies above a frequency range of interest. The filtered signal i...	01/14/2003
6418181	Method and measuring arrangement for determining speed of runner, walker or another moving and living object The invention relates to a method and a measuring arrangement for determining the speed of a runner, walker or another moving and living object by a measuring arrangement. In the actual determination of speed during use the method comprises measuring at l...	07/09/2002
6357147	Detachable foot mount for electronic device In one embodiment, an apparatus comprises a mount, a housing, and a sensor, wherein the mount is adapted to be secured to a shoe, the housing is adapted to be releasably attached to the mount, and the sensor is supported by the housing such that the senso...	03/19/2002
6289072	Near-zero speed estimation method for a pulse counting speed calculation An improved speed indication method for a sensor that develops one or more electrical pulses per unit movement of a movable part, wherein the indicated speed is based on the number of speed pulses generated per unit time, but is constrained by a limit fun...	09/11/2001
6130928	Acceleration processing method and apparatus A method of determining the acceleration of a rotating body by counting the number of teeth on a rotating gear member for one or more revolutions. The method minimizes the measurement lag using an overlapping method and calculating acceleration on each co...	10/10/2000
6122340	Detachable foot mount for electronic device In one embodiment, an apparatus for monitoring locomotion of a person that can be secured to the person's shoe includes a mounting unit, a housing unit, and a motion-sensing device. The mounting unit is adapted to be secured to an outer surface of the sho...	09/19/2000
5617458	Clock divider The invention discloses a method and an apparatus for implementing an L phase clock in conjuction with L counters, where L is an integer, to count at a frequency scalable by L....	04/01/1997
5446775	Motion detector and counter A device for detecting and counting occurrences of specific human motions. The device includes structure for mounting the device to an object or a part of the human body which takes part in the motion. The device further comprises at least one acceleratio...	08/29/1995
5323437	Full and partial cycle counting apparatus and method Apparatus for determining the number of cycles occurring in a frequency modulated signal during a sample period, including not only the number of full cycles but any portion of a cycle, by determining the number of whole cycles and adding to this a value ...	06/21/1994
5305640	Digital flexure beam accelerometer Acceleration is measured using an array of micro-machined elements. The array is configured so each successive element is deflected by a higher acceleration. For each acceleration there will be a set of elements that is deflected. By determining the trans...	04/26/1994
5123035	Processing circuit for signals supplied by two transducers measuring a physical parameter in the differential mode A processing circuit is provided for signals (S1, S2) supplied by two transducers measuring a physical quantity parameter in a differential mode and delivering a signal representative of this parameter. This processing circuit essent...	06/16/1992
5010769	Automatic pseudokeyphasor generator A pseudokeyphasor signal control unit incorporated into apparatus for analyzing the vibratory behavior of a rotating machine in response to signals representing vibrations occuring in the machine, which apparatus includes: a controllable signal generator ...	04/30/1991
4953095	Apparatus and method for measuring the frequency of a pulse signal An apparatus for measuring the frequency of a pulse train signal and method therefor applicable to a speedometer of a vehicle are disclosed in which a count value C of at least one counter which counts number of pulses in the pulse train signal for predet...	08/28/1990
4862394	Drop height recorder A drop height recorder apparatus includes a housing suitable for packaging for shipment from an origin point to a destination point, a triaxial accelerometer provides three signals to corresponding high gain and low gain channels. The three high gain chan...	08/29/1989
4852875	Racquet swing training apparatus A swing training apparatus for use with a hand held sports implement having a head and a handle with a longitudinal axis extending between the head and handle includes a housing that is mounted to the implement at a position adjacent the head. A sleeve ca...	08/01/1989
4722094	Digital rate detection circuit A device for measuring the rate of change of speed of a machine such as a turbine engine which includes a digital counter for counting a speed signal having a frequency proportional to engine speed for a predetermined period of time and decrementing said ...	01/26/1988
4535462	Automatic velocity controlled delay circuit An automatic velocity delay circuit utilizes the output signal of a radio equency velocimeter for determining the time a projectile takes to pass a sensor located at the muzzle end of a gun. The circuit uses this time interval pulse and clocking pulses to...	08/13/1985
4485452	Speed measurement system A speed measurement system including a magnetic pickup positioned in proximate relation to a driven element of a gas turbine engine having a plurality of discontinuities therein. The pickup providing a pulse per every discontinuity and thus a multiplicity...	11/27/1984
4399548	Compressor surge counter A surge counter for a rotating compressor is provided which detects surging by monitoring the vibration signal from an accelerometer mounted on the shaft bearing of the compressor. The circuit detects a rapid increase in the amplitude envelope of the vibr...	08/16/1983
4308452	Monitoring the operation of a vehicle A method of and apparatus for monitoring the operation of a vehicle comprises sensing means in the form of one or more mercury-containing capsules to sense whether accelerative forces acting on the vehicle in the plane of movement of the vehicle exceed or...	12/29/1981
4114450	Electronic recording accelerometer A self-contained and internally powered shock, temperature and relative humidity acquisition and recording device particularly adapted for the rapid, accurate and automatic analysis of material handling and transportation facilities and procedures. The ap...	09/19/1978
4101869	Vehicle warning devices A safety device for use particularly with vehicles embodies a switching arrangement which is closed when excessive accelerative forces are applied thereto. Recording means are included to record "faults" sensed by the device and means are also provided fo...	07/18/1978
4070562	Acceleration/deceleration alarm system A system for warning the driver of an acceleration or deceleration of a vehicle. A wheel sensor detects wheel rotational speeds Ni and Ni + 1 during two predetermined time intervals Ti and Ti + 1. The absolute v...	01/24/1978
4016766	Counting accelerometer apparatus Counting apparatus having a transducer for measuring a certain parameter and providing an output, with filtering means for filtering the output from the transducer and decision circuit means connected to the output of the filtering means capable of regist...	04/12/1977
3943345	Digital acceleration detecting system There is provided a digital acceleration detecting system for rotating bodies comprising a first counter for counting the number of pulse signals corresponding to the rotational speed of a rotating body, a second counter for counting the number of the pul...	03/09/1976

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Class 377/23 - Acceleration