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Class 73/12.06 - Dropped


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the change in velocity of the specimen
No. of patents: 54
Last issue date: 11/22/2011


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NumberTitleIssue Date
8061182Portable electronic device and method of measuring drop impact at the portable electronic device
A method of measuring drop impact at an electronic device includes detecting a fall based on signals from drop detection sensor of the electronic device, receiving an output from a piezoelectric sensor in response to detecting the fall, and storing drop data based o...
11/22/2011
7950268Vehicle rollover test fixture
A test fixture for rollover crash testing of a test vehicle onto a movable sled surface employs a cradle to support and rotate the test vehicle. A suspension assembly is attached to each end of the cradle for vertically supporting and dropping the cradle. A gantry h...
05/31/2011
7913539Apparatus for drop testing and method utilizing the same
An apparatus for drop testing is disclosed. The apparatus has a drop angle setting jig that horizontally moves on a support frame and positions a test object at a predetermined angle by clamping with a fixture. The jig provides a second datum plane and is connected ...
03/29/2011
7878042Shock simulation generator
This is directed to systems, methods, computer programs and other means for shock testing a piece of equipment, i.e., the target. The target can be mounted to a shock generation machine, which is then slammed into a sturdy foundation. The impact can result in multi-...
02/01/2011
7775082Vehicle rollover test fixture
A test fixture for rollover crash testing of a test vehicle onto a moving surface employs a cradle to support and rotate the test vehicle. A vertical support structure to position and releasably holds the cradle. A moving sled having a contact surface and is carried...
08/17/2010
7730764Drop detection device and portable apparatus equipped therewith
There is provided a drop detection device with which a falling state is properly detected even when the device is dropped while itself rotating, for example, and the mistaken detection of a falling state when there is in fact no falling state can be prevented, as we...
06/08/2010
7555930Test assembly and method
A test apparatus and method are disclosed. The test apparatus disclosed includes an accelerator assembly and holder assembly that releasably holds a test specimen for acceleration along an acceleration path. Following acceleration along the acceleration path, the te...
07/07/2009
7373802Testing fixture and method for determining toughness of molded plastic components
A method and testing fixture for toughness-testing corrugated high density polyethylene (HDPE) pipe. The method includes the steps of preparing a test sample, attaching the test sample in the testing fixture, and providing an impact load to the test sample. The test...
05/20/2008
7373801Vehicle rollover test fixture
A test fixture for rollover crash testing of a test vehicle onto a moving surface employs a cradle to support and rotate the test vehicle. A vertical support structure to positions and releasably holds the cradle. A moving sled having a contact surface is carried by...
05/20/2008
7370538Method and apparatus for determining insulation thickness
A method for determining the thickness of a layer of insulation comprises the steps of: contacting a top surface of a portion of the layer of insulation, compressing the portion of the layer of insulation until a predetermined compressive load is achieved, measuring...
05/13/2008
7367213Apparatus for testing bending strength
An apparatus for testing bending strength is provided. The apparatus includes a frame, a motor, and a control part. The frame includes an impingement board. The motor includes a piston. A piston head is mounted on an end of the piston for impacting the impingement b...
05/06/2008
7367212Rotational and linear shock apparatus
One embodiment of a shock apparatus comprises at least one linear impact object capable of movement along a first substantially linear path; a rotational impact object capable of rotation about an axis of rotation and movement along a second substantially linear pat...
05/06/2008
7275412Drop shock measurement system and acceleration sensor element used in the same
The drop impact measuring system has i) a plurality of bimorph-type acceleration sensor containing a plurality of free vibrating sections each of which has individual draw-out electrodes; ii) a switch section for selecting output from the bimorph-type acceleration s...
10/02/2007
7243526Device and method for measuring the impact properties of a sport field surface
The tuft impact tester mounts a test probe in a suspended manner from a tripod arrangement via a gimbals mechanism so that the test probe is able to move along a vertical axis. The test probe is dropped from a predetermined height, the velocity of the test probe is ...
07/17/2007
7219531Apparatus and method for testing an impact and/or vibration absorbent material
A testing apparatus and method for determining the impact an/or vibration absorbent characteristics of an impact and/or vibration absorbent material. The apparatus includes a base having upwardly extending vertical guide rods. A sample plate is maintained in a posit...
05/22/2007
7194900Collision reaction force measurement apparatus
A collision reaction force measurement apparatus has a collision surface receiving a collision of a portable electronic device and a measurement part measuring a collision reaction force occurring when the portable electronic device makes the collision against the c...
03/27/2007
7137285Method and instrument for characterizing treading surfaces, for instance for realizing synthetic turf surfaces
An instrument (“artificial athlete”) for characterizing, from the biomechanical standpoint, a treading surface, such as natural grass cover or synthetic grass flooring, is configured for: dropping a weight from a given height on the surface, producing the conver...
11/21/2006
7099765Direct determination of the maximum grip coefficient on the basis of measurement of the circumferential extension in a sidewall of a tire
A method of determining the grip coefficient μ in the contact area of a tire on a road includes the steps of selecting a plurality of fixed points in space (that is to say ones that are fixed in the reference frame associated with the vehicle) which points lie at d...
08/29/2006
6976387Hardness measuring device comprising a housing and a penetration body in particular a manual device
The hardness measuring device (18) is provided with a) a penetration body (20), which penetrates a workpiece (28) along a penetration vector (58) during a measuring process, b) a housing (30) which embodies a guide track (32...
12/20/2005
6925858Turf test apparatus
A drop test apparatus for determining the resiliency of playing surface comprising a missile for impacting the surface including a guide for providing substantially unrestricted free flight of the missile, a pair accelerometers carried by the missile for producing s...
08/09/2005
6907767Dropping test apparatus for mobile communication terminal
A dropping test apparatus for a mobile communication terminal is provided. The test apparatus comprises: a main body; a first group of fixed members attached to a first group of inclined surfaces formed on the main body for providing one or more distinct dropping or...
06/21/2005
6892564Fall impact apparatus
An object of the present invention is to provide a fall impact apparatus, namely a fall impact apparatus, which is capable of fixing the attitudinal angle of a test subject during a drop test until the moment at which the test subject collides with a dropping subjec...
05/17/2005
6864790Electronic apparatus and method of detecting shock given to the electronic apparatus
An electronic apparatus is provided that comprises a shock detector for detecting a shock received by an electronic apparatus such as a portable telephone, a controller for comparing the value of the shock as detected by the shock detector with a reference value, an...
03/08/2005
6858810Sensor with failure threshold
An inertial sensor with failure threshold includes a first body and a second body, which can move relative to one another and are constrained by a plurality of elastic elements, and a sample element connected between the first body and the second body and shaped so ...
02/22/2005
6807841Detecting method of a drop test and the device thereof
A detecting method can perform the drop test according to the exact grounding condition, thereby detecting the actual grounding data. In addition, the shock accelerometer on the tested point of the test object can obtain an experimented G value which is compared wit...
10/26/2004
6802200Method for inspecting the quality of a gas sensor, related manufacturing method, and related inspecting apparatus
An impact force is applied to a sensing element to enlarge the size of a hidden crack to a visible level to reveal the presence of a hidden crack. To apply the impact force to a sensing element, a gas sensor is supported by a holder which is fixed to a distal end of...
10/12/2004
6748791Damage detection device and method
A damage detection device is used to detect damage in bonded and laminated composite structures. A tap hammer or tap coin containing an acceleration sensor is connected to a circuit that can measure the width of an impact signal and then display the result. The resu...
06/15/2004
6536258Blast load simulation system
A blast load simulation system includes a glass panel having two surfaces. The system also includes a membrane for covering at least one of the two surfaces of the glass panel. The system also includes means for delivering an impulse with a given characte...
03/25/2003
6523391Vertical height impact testing apparatus
A vertical impact testing apparatus comprises a rigid frame, an anvil connected to the frame, a dart positioned above the anvil, and a dropped-weight mechanism slidably connected to the frame. The frame is comprised of a vertical column, a base, and a gui...
02/25/2003
6508103Impact drop tester for portable consumer products
A drop tester (1) including a gripper mechanism (2) for holding a product (37) to be tested, a guide track, a slider block (3) which is mounted to slide along the guide track and advance the mechanism toward a target location (41) and a release device (40...
01/21/2003
6374661Realistic, repeatable and controllable drop testing
Drop testing is performed by controlling the position of a product to be tested with respect to the drop surface until just before the initial impact and then the product is allowed to impact like a free body. Advantageously, realistic, controllable, and ...
04/23/2002
6347546Method of non-destructive testing an evacuated package for a leak
A method is described of non-destructive testing an evacuated package for the presence of a leak, said evacuated package comprising a sealed filled evacuated bag (1) containing a predetermined quantity of a comminuted product, which comprises: causing a s...
02/19/2002
6308555Rotational shock tester apparatus
Embodiments of apparatus are directed to a rotational shock tester system comprising a disc drive support system, a drop mechanism and an impact apparatus. The disc drive support system includes a rotation plate, wherein a disc drive is coupled to the rot...
10/30/2001
6161419Process and device for determining the characteristics of a motor ' vehicles built-in shock-absorbers
A process is proposed for determining the characteristics of a motor vehicle's built-in shock absorbers. The vehicle is driven onto a ramp support which is then quickly removed, causing the vehicle to drop onto a base whose distance below the ramp support...
12/19/2000
6098447Dynamic force measuring instrument for foundation and casing
An attenuation circuit for a pile driving force measurement device is disclosed. The attenuation circuit allows for measurements to be made of the force being applied to a driven pile at a reduced voltage compatible with a voltage sensitive measurement de...
08/08/2000
6050127Micro-ball impact tester
An apparatus and method for impact response testing of materials such as magnetic discs of a disc drive. The apparatus of the present invention supports a target disc in cooperative relationship with a sub-millimeter impact test ball such that the test ba...
04/18/2000
5983702Compound testing machine for testing various mechanical properties used for optical connector
A compound testing machine for testing mechanical properties used for an optical connector does not additionally have each testing machine for each of mechanical properties (such as a tensile force including both a straight pull and a side pull, a flex, a...
11/16/1999
5959198Method and device for testing the hardness of workpieces and device for carrying out this process
The invention concerns a method of testing the hardness of workpieces (22), wherein an impact body (20) is moved onto the workpiece (22) to be tested such that it impinges thereon (along a forward path) and rebounds thereof (along a return path). On both ...
09/28/1999
5824880Automated drop-weight impact testing
A test fixture of the type that requires repeated manual lifting of weights in a drop-tube for performing an ASTM drop weight test, is provided with a computer automated pneumatically powered lift mechanism. The lift mechanism for the weights responds to ...
10/20/1998
5736631Turf impact analysis system
A system for impact analysis of soil surfaces includes a Clegg impact hammer, an accelerometer mounted on the hammer, an analog to digital converter to digitize the deceleration signal of the accelerometer, and a computer to store the digitized curve samp...
04/07/1998
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