Abstract: A device secured to an elevated location and in turn supporting an item such as a computer tablet. A hinged and foldable body has first and second pivotal sections each depicting a “U” shaped cross sectional profile and convertible between a collapsed/storage configuration and an extended/use configuration in which the sections establish a continuous and three sided support surface. A pair of suspending hooks extend upwardly from spaced apart locations along the body for engaging a vertical extending (seatback tray) support edge. Depth adjustable abutment portions located beneath the hooks establish proper angular orientation in use. Laterally adjustable and vertically extending brackets support vertical edges of the item placed upon the support surface.

Abstract: In one embodiment, the invention is a method and apparatus for installing a post mount. In one embodiment, a support block for use in securing a post mount includes a body having a first end and a second end and an adjustment mechanism formed integrally with the first end of the body, by which a vertical orientation of a post mount incorporating the support block can be adjusted.

Abstract: The invention relates to a monitor supporting module including: two supporting stands fixed to a placing space, two fixing stands disposed on the rear of a flat panel display, two guide bars and two guide rails. The setting positions of the guide bars are corresponding to the guide rails. Each guide rail includes a notch, a first horizontal guide section, a vertical guide section and a second horizontal guide section. Each guide bar is guided to a corresponding notch through its protruded end edge and slides through the guide sections for completing the installation. The guide rails are respectively formed on corresponding supporting stands, and the guide bars are protruded from one side of corresponding fixing stands. Or, the guide bars are respectively disposed on corresponding supporting stands and the guide rails are formed on corresponding fixing stands.

Abstract: A supporting apparatus includes a mounting member, a mounting post secured to the mounting member, an actuating member secured to the mounting post, a supporting post rotatably secured to the mounting post and engaged with the actuating member, and a latch member. The supporting post is rotatable relative to the mounting post between a receiving position and a supporting position. When the supporting post is located on the receiving position, the supporting post is engaged with the latch member. When the supporting post is located on the supporting position, the supporting post is disengaged from the latch member. The actuating member biases the supporting post to rotate from the first to the supporting position.

Abstract: A wall-mounted holder for cylindrical cans including a base and a generally cylindrical body portion integrally formed with and extending forwardly of the base at an upward inclination. The base defines a wall mounting surface thereon. The body portion has an extended open upper end for the insertion and removal of the container and defines a minimum interior transverse dimension and an opening extending longitudinally along a side portion thereof. Portions of said body portion extending along the opposed sides of the opening define container abutment surfaces such that upon inserting a cylindrical object having a diameter greater than the aforesaid transverse dimension into said body portion through the open upper end thereof, the abutment surfaces on the body portion of the holder are caused to flex outwardly and bear against portions of the container, securing the container within the body portion.

Abstract: A mounting device for securing electronic equipment in a vehicle includes a holding fixture for holding the electronic equipment and a supporting arm, wherein the holding fixture on a first end of the supporting arm is supported pivotably on the supporting arm and wherein the supporting arm can be connected to the vehicle on a second end, wherein the supporting arm includes an interior which can be accessed from the outside by a longitudinal slot, and the interior and the longitudinal slot extend across more than half of a length of the supporting arm, preferably across the entire length of the supporting arm, lire supporting arm has a spherical cap-shaped form on its first end, on which a matching spherical cap-shaped wall section of the holding fixture can be secured by clamping.

Abstract: Pneumatic tools are staple elements of constructions sites. Pneumatic tools are often hand-carried to specific locations and balanced on an available surface or between the knees of a worker while the worker uses two hands for related activities. A universal quick-change hook according to an embodiment of the invention can be coupled between fittings of a pneumatic tool and pneumatic hose without obstructing airflow though the fittings and provides a hook stop to protect fittings attached to the universal quick-change hook, preventing accidental activation of a connection release. The universal quick-change hook is configured to support the weight of an attached tool from a wide variety of different support means, such as a ladder, lumber stock, nail, or utility belt. The universal quick-change hook provides a worker with a convenient way to secure a hook to pneumatic tools in rapid fashion to be more efficient and competitive on a jobsite.

Abstract: Reinforcement devices and systems for holding a traffic control assembly in compression are provided. The traffic control assembly includes a traffic signal disconnect hanger and/or a traffic signal and a first span wire positioned above the traffic control assembly. In some embodiments, the reinforcement device includes an upper support device connected to the first span wire where the upper support device has a length that is greater than a width of the traffic control assembly and the upper support device is configured to spread the load of the traffic signal assembly to the first span wire. The reinforcement device includes a lower support device operably connected to the traffic signal, a first vertical support member, and a second vertical support member where the first and second vertical members are tensioned when the upper support device, the lower support device and the first and second vertical support members are connected together.

Abstract: Garment hanger collection apparatus, garment hanger holders, and garment hanger binders are disclosed. The garment hanger holder may include a holder base and a planar holder member fixedly attached to, or formed with, the holder base. The holder member may have an elongate slot sized to receive hooks of one or more garment hangers in a first orientation to hang the one or more garment hangers from the hooks. The garment hanger holder may additionally include a planar orientation member fixedly attached to, or formed with, the holder member and configured to obstruct and prevent the hooks from being inserted in the elongate slot in an orientation different from the first orientation. The garment hanger binder may include a planar binder base having a frame and a plurality of elongated apertures defining a plurality of elongated strips therebetween.

Abstract: An angle inclining structure for a desk contains a body and an angle inclining structure, the body including two opposite support legs, a horizontal rod, and two support posts connected with the two support legs and a first plate, wherein the angle inclining structure is disposed between the horizontal rod and the first plate and has a holder, a covering member, and a buffer member, the holder includes a locking tab and connects with the horizontal rod, a receiving room to receive a retainer and a pushing element, and a groove to receive a positioning member; the covering member includes a slot, plural tilted recesses, and a locking hole; a free end of the buffer member axially couples with one end of the covering member and a bottom surface of the first plate so that when the first plate axially rotates upwardly, the covering member slides on the holder.

Abstract: Apparatus and methods for extending a retractable mast include engaging at least three flexible bands such that each band forms a side of a mast. Each band includes a right edge side and a left edge side, each edge having disposed thereon a set of spaced teeth, each tooth having a slot disposed therein and a tab disposed between adjacent teeth, the tab configured to engage the slot of an opposing tooth.

Abstract: A pivoting device especially useful in aircraft passenger cabins that can pivot a monitor between stowed and open positions, the pivoting device including a forward/reverse rotatable driving motor. An electromagnetic brake holds the monitor in stowed and opened positions A power unit powers the motor and the electromagnetic brake. A controller controls the pivoting movement of the monitor. The power unit includes a rectifier circuit that transforms AC to a DC, a step-up circuit that steps up the transformed voltage, a voltage regulator that adjusts the transformed voltage to a prescribed DC voltage, and a retraction power retention circuit including a capacitor. When no source voltage is detected while the monitor is in its opened state, the capacitor supplies the power to a voltage regulator of the power circuit, deactivates the electromagnetic brake and reverse rotates the motor to drive the monitor to its stowed position.

Abstract: The supporting apparatus includes a base, a device supporting portion, a device connecting portion, and a linking rod. The base includes a front end and a rear end; the device supporting portion includes a supporting element and a first rotating shaft, wherein the first rotating shaft is pivotally connected to the front end of the base and connected with the supporting element for allowing the supporting element to rotate along the first rotating shaft such that the supporting apparatus has a closed state and a first open state. When the supporting apparatus rotates to the first open state, the connecting element and the linking rod form a first connecting element opening angle ?21 for allowing the connecting element to connect with the first lateral surface of an electronic device and the supporting element to contact a bottom surface of the electronic device.

Abstract: A supporting apparatus is used for supporting a device on a platform. The supporting apparatus includes a base fixed to the platform, a shockproof member, and a sliding member. The base defines a receiving recess for receiving the shockproof member. The shockproof member is attached to an inner sidewall bounding the receiving recess. The sliding member is supported on a bottom of the receiving recess. The sliding member includes a locking block, to be engaged in the device.

Abstract: Various embodiments may be generally directed to a universal object retention system that may be configured with at least a support substrate and a plurality of ductile members extending across predetermined portions of the support substrate. At least one ductile member may be configured with a tactile feature that increases friction between the support substrate and the ductile feature.

Abstract: A bearing cup base and a fan frame assembly provided with same are disclosed. The bearing cup base includes a base body having a first side, a bearing cup perpendicularly forward extended from the first side of the base body, and a printed circuit layer formed on the first side. By directly forming the printed circuit layer on the bearing cup base, a fan using the bearing cup base can be manufactured at largely reduced cost and can have a further reduced overall height.

Abstract: A supporting apparatus for a vending machine is provided. The supporting apparatus includes a supporting frame, four supporting pillars and four reinforcing members. The supporting frame defines a supporting plane for supporting the vending machine. The four supporting pillars extend downwards from four corners of the supporting frame. The four reinforcing members are located at the corner of the supporting frame to stiffen the supporting frame.

Abstract: A light sensor including a photo transistor is provided. A gate of the photo transistor receives a gate driving signal. The photo transistor senses a light source based on the gate driving signal to generate a light current signal. The photo transistor includes a metal-oxide active layer. The gate driving signal has a first voltage level during a trap period and has a second voltage level during a read period. The first voltage level is higher than the second voltage level. The gate driving signal of the photo transistor introduces a mechanism to rapidly eliminate excess carriers. Accordingly, the photo transistor has a rapid response while maintaining good light responsibility. Furthermore, a method for driving the foregoing photo transistor is also provided.

Abstract: An optoelectronic component includes a carrier on which at least one first light-emitting semiconductor chip and one first light-absorbing semiconductor chip connected antiparallel to the at least one first light-emitting semiconductor chip, at least one second light-emitting semiconductor chip and one second light-absorbing semiconductor chip connected antiparallel to the at least one second light-emitting semiconductor chip, wherein the semiconductor chips are arranged on the carrier such that light from each light-emitting semiconductor chip falls on at least one of the light-absorbing semiconductor chips not connected to the respective light-emitting semiconductor chip, and the light-absorbing semiconductor chips are formed as protection diodes.

Abstract: An optical tracking device includes a light source, an image sensor and a processing unit. The light source emits light at a lighting frequency. The image sensor outputs an operating image when the light source is being turned on and outputs a background image when the light source is being turned off. The processing unit is configured to obtain background information from the background image, calculate a differential image of the operating image and the background image, obtain object information from the differential image and compare the background information and the object information thereby removing background noise.

Abstract: Embodiments of the present invention provide an approach for improving overall chip speed by providing one or more sampling circuits in an ROIC so that signal processing and signal reading out operations may occur simultaneously instead of successively.

Abstract: A sampling circuit for dynamic imaging is provided. Specifically, embodiments of the present invention relate to a readout integrated circuit (ROIC) for dynamic imaging and a related image sensor. In one embodiment of the present invention, a sampling circuit is provided that comprises: an amplifier circuit, which amplifies charge signals generated at photo diodes and converts them to voltage signals; a filter circuit (optional) that receives and filters the voltage signals to yield a filtered signal; a sampling circuit, which samples the voltage signals and outputs a sampled signal in accordance with a sampling control signal; and a digital converter, which converts the sampled signal into a digital format and outputs a digital signal.

Abstract: An arrangement for, and a method of, electro-optically reading a target by image capture, employ a scan engine in a handheld housing having a tilted handle. A single tilted printed circuit board (PCB) in the handle has front and rear surfaces that respectively face toward and away from the target during reading. An optical assembly having a pair of fold mirrors is mounted on the rear surface, for receiving return light from the target through an aperture in the PCB along the horizontal, and for directing the return light along a folded path. An imaging lens assembly projects the return light onto a solid-state, two-dimensional, image sensor to enable the return light to be detected over a field of view, and to generate an electrical signal indicative of the detected return light.

Abstract: Embodiments of an image sensor including a pixel array with a plurality of pixels arranged into rows and columns. Control circuitry coupled to the pixels in each row, and an analog-to-digital converter is coupled to the pixels in each column of the pixel array. Each analog-to-digital converter includes a ramp comparator, and a variable current source coupled to the ramp comparator to provide a variable bias current to the ramp comparator. The bias current can adjusted during reading of a row of pixels according to a dynamic bias current profile that maintains at least a specified margin between the random noise of the pixels and an acceptable noise level. Other embodiments are disclosed and claimed.

Abstract: A step-up converter includes an input coupled to receive a first voltage potential and an output coupled to output a second voltage potential higher than the first voltage potential. The step-up converter also includes an array of capacitance charge pumps. Each of the capacitance charge pumps in the array includes switches to be modulated to individually run each of the capacitance charge pumps by selectively connecting each of the capacitance charge pumps to the input and the output. The step-up converter further includes a control module coupled to the switches of each of the capacitance charge pumps and configured to modulate the switches at a substantially fixed frequency. The control module modulates the switches of selected capacitance charge pumps in the array in response to a current draw on the output. The step-up converter may be included in an image sensor.

Abstract: An apparatus for, and a method of, electro-optically reading a target by image capture, employ a scan engine in a handheld housing having a tilted handle. A single tilted printed circuit board (PCB) in the handle has front and rear surfaces that respectively face toward and away from the target during reading. An optical assembly having a pair of fold mirrors is mounted on the rear surface, for receiving return light from the target through an aperture in the PCB along the horizontal, and for directing the return light along an internal folded optical path. An imaging lens assembly is mounted between the fold mirrors and has an imaging axis that extends generally parallel to the PCB. The imaging lens assembly projects the return light onto a solid-state, two-dimensional, image sensor to enable the return light to be detected over a field of view, and to generate an electrical signal indicative of the detected return light.

Abstract: Provided is an object detection apparatus using a general camera sensor for adjusting detection sensitivity to an object (pedestrian or animal) even in an urban area in which the scattered reflection of a light source is severe. The object detection apparatus overcomes the limitations of a related art object detection apparatus using a thermal imaging camera which is incapable of adjusting detection sensitivity to an obstacle (pedestrian or animal) in an urban area in which the scattered reflection of a light source is severe.

Abstract: Pixels, imagers and related fabrication methods are described. The described methods result in cross-talk reduction in imagers and related devices by generating depletion regions. The devices can also be used with electronic circuits for imaging applications.

Abstract: To reduce the number of capacitative elements on a chip to decrease a surface ratio of a peripheral circuit section including capacitative elements to a pixel array section, while maintaining noise resistance of signals high. There is provided a solid-state imaging device including: a plurality of unit pixels; a plurality of transfer lines; and a plurality of switches, wherein each of the unit pixels includes a photoelectric conversion element and a charge voltage conversion element, and outputs respectively a noise voltage generated when the charge voltage conversion element is reset and a signal-noise sum voltage obtained by adding to the noise voltage a signal voltage generated by photoelectric conversion to the other transfer lines that are connected via the switches to the transfer line to which the pixel group including the unit pixel belongs.

Abstract: A solid state imaging device includes an array of active pixels and an infrared cut filter formed over the sensor. Optionally, a slot in the infrared cut filter allows infrared illumination to reach the sensor to be detected by pixels covered by a visually opaque filter and surrounded by pixels of special types that limit charge leakage and enable high dynamic range sensing of infrared illumination. A ratio of average infrared signal to average brightness indicates an amount of infrared illumination reaching the imaging device.

Abstract: The present disclosure relates to a multi-channel detector having a reduced number of output channels and including: a linear amplifier linearly amplifying an input signal; an offset correcting unit configured by a circuit that is independent from the linear amplifier, including an operational amplifier inside, and correcting an offset level that changes in accordance with an amplification rate of the operational amplifier; a uniformity correcting unit reducing a non-uniform characteristic of the input signal by finely adjusting a gain of an output signal of the linear amplifier; a signal delay unit delaying an output signal of the uniformity correcting unit until a time point when output signals are generated from a comparison unit and a signal determining unit, and a switch circuit receives a trigger from the signal determining unit; a comparison unit comparing the output signal of the uniformity correcting unit with a signal of a predetermined level with each other; a signal determining unit receiving a tr

Abstract: A goods delivery switch includes a bracket, a rotating member, a delivery member, a signal generator, a signal receiver, a blocking member, and a control unit. The rotating member includes a second blocking curved plane and a cutting plane. The delivery member is operable to rotating the rotating member. The blocking member includes a first curved plane and defines a through hole. The blocking member is slidable relative to the blocking member between a first position, where the rotating member is rotated, the first curved plane abuts the second curved plane, and the signal receiver receives an optical signal from the signal generator through the through hole, and a second position, where the first curved plane abuts the cutting plane, the optical signal is blocked by the blocking member, and the control unit controls the delivery member to stop operating, relative to the bracket.

Abstract: Apparatus and methods of characterizing a subterranean formation sample including collecting a sample from a formation, and analyzing the formation to obtain an image with 100 nm or less resolution, wherein the analyzing comprises atomic force microscopy (AFM), infrared spectroscopy (IR), and thermal analysis. Kerogen maturity, mineralogy, kerogen content, mechanical properties, and transition temperatures—including registered maps of those quantities—may be obtained in 5 minutes or less. Some embodiments may use a scanning electron microscope.

Abstract: A non-linear ion guide is disclosed comprising a plurality of electrodes. An ion guiding region is arranged between the electrodes, and the ion guiding region curves at least in a first direction. A DC voltage is applied to at least some of the electrodes in order to form a DC potential well which acts to confine ions within the ion guiding region in the first direction.

Abstract: An ion guide is disclosed comprising a plurality of electrodes. A first device is arranged and adapted to apply a RF voltage to at least some of the electrodes in order to form, in use, a pseudo-potential well which acts to confine ions in a first direction within the ion guide. A second device is arranged and adapted to apply a DC voltage to at least some of the electrodes in order to form, in use, a DC potential well which acts to confine ions in a second direction within the ion guide. A third device is arranged and adapted to cause ions having desired or undesired mass to charge ratios to be mass to charge ratio selectively ejected from the ion guide in the second direction.

Abstract: The invention generally relates to systems and methods for mass spectrometry analysis of microorganisms in samples.

Abstract: A time of flight (TOF) spectrometer and a method for operating the same is disclosed. The spectrometer includes an event extractor, a streaming processor, and a FIFO buffer. The event extractor generates a ion event record corresponding to each detected ion, the ion event record including an intensity a plurality of aliases for that detected ion. The streaming processor includes a memory array that stores a TOF spectrum and a probability processor that provides a probability for each alias in each received ion event record and updates the TOF spectrum based on the probabilities. A FIFO buffer receives each of the ion event records after the TOF spectrum has been updated and outputs the oldest ion event record to the streaming processor when a new ion event record is processed by the streaming processor.

Abstract: Method and system for detecting multiple analytes from a sample material by desorption ionization, mass analysis, and multivariate statistical analysis.

Abstract: A method and apparatus to trap, release and/or separate sample components in solution passing through a channel with or without packing material present by passing ion current through the channel driven by an electric field. A portion of the ion current includes cation and/or anion species generated from second solution flows separated from the sample solution flow path by semipermeable membranes. Cation and/or anion species generated in the second solution flow regions are transferred into the sample solution flow path through ion selective semipermeable membranes. Ion current moving along the sample solution flow path is controlled by varying the composition of the second solutions and/or changing the voltage between membrane sections for a given sample solution composition. The sample composition may also be varied separately or in parallel to enhance trapping, release and/or separation efficiency and range.

Abstract: A method of mass spectrometry is disclosed comprising performing a first analysis of a sample of ions wherein one or more parameters are scanned and/or ions are sorted according to one or more parameters during the first analysis. One or more ranges of interest of the one or more parameters from the first analysis are then automatically determined. A second subsequent analysis of the sample of ions is then automatically performed, wherein the second analysis is restricted to one or more of the ranges of interest of the one or more parameters.

Abstract: A mass spectrometer is disclosed comprising a RF ion guide wherein in a mode of operation a continuous, quasi-continuous or pulsed beam of ions is orthogonally sampled from the ion guide and wherein the continuous, quasi-continuous or pulsed beam of ions is not axially trapped or otherwise axially confined within the RF ion guide. The Ion guide is maintained, in use, at a pressure selected from the group consisting of: (i) 0.0001-0.001 mbar; (ii) 0.001-0.01 mbar; (iii) 0.01-0.1 mbar; (iv) 0.1-1 mbar; (v) 1-10 mbar; (vi) 10-100 mbar; and (vii) >100 mbar.

Abstract: Provided are methods for determining the amount of vitamin C in a sample using mass spectrometry. The methods generally involve ionizing vitamin C in a sample and detecting and quantifying the amount of the ion to determine the amount of vitamin C in the sample.

Abstract: A mass spectrometer is disclosed comprising an ion mobility spectrometer or separator and an ion guide arranged downstream of the ion mobility spectrometer or separator. A plurality of axial potential wells are created in the ion guide so that ions received from the ion mobility spectrometer or separator become confined in separate axial potential wells. The potential wells maintain the fidelity and/or composition of ions received from the ion mobility spectrometer or separator. The potential wells are translated along the length of the ion guide.

Abstract: A particle inlet system comprises a first chamber having a limiting orifice for an incoming gas stream and a micrometer controlled expansion slit. Lateral components of the momentum of the particles are substantially cancelled due to symmetry of the configuration once the laminar flow converges at the expansion slit. The particles and flow into a second chamber, which is maintained at a lower pressure than the first chamber, and then moves into a third chamber including multipole guides for electromagnetically confining the particle. The vertical momentum of the particles descending through the center of the third chamber is minimized as an upward stream of gases reduces the downward momentum of the particles. The translational kinetic energy of the particles is near-zero irrespective of the mass of the particles at an exit opening of the third chamber, which may be advantageously employed to provide enhanced mass resolution in mass spectrometry.

Abstract: The present invention aims to provide a pattern dimension measurement method for accurately measuring an amount of shrinkage of a pattern that shrinks and an original dimension value before the shrinkage and a charged particle beam apparatus. In order to attain the above-mentioned object, there are proposed a pattern dimension measurement method and a charged particle beam apparatus that are characterized by: forming a thin film on a sample including the pattern after carrying out beam scanning onto a first portion of the pattern; acquiring a first measurement value by scanning a beam onto a region corresponding to the first portion on which the thin film is formed; acquiring a second measurement value by scanning a beam onto a second portion that has identical dimensions as those of the first portion on design data; and finding the amount of shrinkage of the pattern based on subtraction processing of subtracting the first measurement value from the second measurement value.

Abstract: A compact synchrotron radiation source includes an electron beam generator, an electron storage ring, one or more wiggler insertion devices disposed along one or more straight sections of the electron storage ring, the one or more wiggler insertion devices including a set of magnetic poles configured to generate a periodic alternating magnetic field suitable for producing synchrotron radiation emitted along the direction of travel of the electrons of the storage ring, wherein the one or more wiggler insertion devices are arranged to provide light to a set of illumination optics of a wafer optical characterization system or a mask optical characterization system, wherein the etendue of a light beam emitted by the one or more wiggler insertion devices is matched to the illumination optics of the at least one of a wafer optical characterization system and the mask optical characterization system.

Abstract: A terahertz detection device comprises at least one terahertz antenna, a detection microbridge suspended above a substrate comprising a resistive load coupled to the antenna and a resistive bolometric clement coupled to the resistive load, a bias circuit for biasing the bolometric element. The device further comprises a skimming microbridge suspended above the substrate, comprising a resistive bolometric element, and substantially identical to the detection microbridge, a reflective metal layer opposite to the skimming microbridge to obtain a destructive interference at the level of the skimming microbridge for a terahertz wavelength, a bias circuit to electrically bias the bolometric element of the skimming microbridge and a read circuit for measuring a difference between the electric signals of the microbridges.

Abstract: The present invention relates to a position identification system and a method for gesture identification thereof. The method for gesture identification does not use the conventional digital image capture method, instead, the method uses IR detection. In order to accurately detect the movement track of the external object, in the present invention, at least two IR LED are provided. When the first IR LED emits the IR ray signal, the second IR LED is used for receiving IR ray signal. Moreover, the present invention determines the distance between the external object and the IR LEDs by detecting the emitting IRs with different energy. Further, the present invention adopts TDM (Time Division Multiplexing) such that the present invention can grasp the distance between the first IR LED and the external object and the distance between the second IR LED and the external object. Thus, the relative position of the external object can be captured.

Abstract: A device for modulating terahertz waves includes a metal layer (703) including a continuous metal portion (705) and island metal portions (707). The metal portions (705, 707) are separated by apertures (709). The device further includes a semiconductor layer (715) affixed to a bottom surface of the metal layer (703). The semiconductor layer (715) includes carrier regions (717) located below the apertures (709). The transmission of terahertz waves through the apertures (709) is modulated by changing a voltage applied across the aperture via voltage source (715). By injecting free carriers into carrier regions (717) due to a change of the voltage an extraordinary terahertz transmission effect of the metal layer (703) can be switched off. A small increase in the free-carrier absorption is significantly enhanced by the Fabry-Perot resonance, resulting in a substantial decrease in transmission.

Abstract: Systems and methods of generating timing triggers to determine timing resolutions of gamma events for nuclear imaging includes receiving a pulse signature representing a succession of triggers associated with a photomultiplier. When a number of triggers occurring within a predetermined time interval matches a predetermined number, an event trigger can be initiated. A delayed version of the pulse signature can be generated and compared to a predetermined timing trigger level. When the delayed version matches the predetermined timing trigger level, a timing trigger can be generated. Based on the timing trigger level, the timing trigger can be generated at the pulse of the delayed version that corresponds to the first photoelectron of a gamma event. The timing trigger can correspond to a timestamp for the first photoelectron so that a data acquisition system can identify the pulse from which to acquire energy information to generate a nuclear image.