Famous Patents
Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7580182 | Frequency synthesis for acousto-optic devices A system for controlling an acousto-optic device includes an acousto-optic device having an acoustic transducer and configured to store a number of design specific parameters for a parametric tuning algorithm. the system includes a frequency synthesizer coupled to t... | 08/25/2009 |
| 7369290 | Modulator bias control Approaches to bias control are disclosed for an optical modulator that modulates an optical carrier with a data input signal. In one embodiment an electrical bias input signal provided to the modulator is adjusted based on a characteristic of the data input signal d... | 05/06/2008 |
| 7326915 | Wavelength stabilization for broadband light sources A broadband light source, such as a light-emitting diode (LED), such as a superluminescent light-emitting diode (SLED), has its mean wavelength stabilized by using a filter to pass a characteristic of the output of the source, detecting the filtered output, and adju... | 02/05/2008 |
| 7253950 | Scanning laser microscope A scanning laser microscope is provided which includes at least one laser light source for emitting laser light, a plurality of modulating sections for adjusting the laser light emitted from each laser light source, a storage section for storing delay time informati... | 08/07/2007 |
| 7218434 | Optical scanning apparatus and image forming apparatus equipped with the same An optical scanning apparatus in which streaks in an image or unevenness in density of an image caused by influences of dusts, scratches and toner etc on the surface of a reflecting member are unlikely to occur and excellent images can be always obtained and an imag... | 05/15/2007 |
| 7206120 | Dynamic beam splitter outputting a selectable number of beams A dynamic beam splitter including a beam deflector having a plurality of operative regions, the beam deflector being operative to receive a laser beam at a first one of the plurality of operative regions, the laser beam passing through the beam deflector, and to sel... | 04/17/2007 |
| 7205501 | Laser machining method and laser machining apparatus A laser machining method and a laser machining apparatus superior in hole position accuracy and hole quality. An outgoing beam outputted as short pulses is shaped by a pulse shaping unit so as to form a #1 branch beam. The #1 branch beam is supplied to a portion to ... | 04/17/2007 |
| 7133188 | AOM modulation techniques employing an upstream Bragg adjustment device Digital control of frequency and/or amplitude modulation techniques of an intracavity and/or extracavity AOM (60) facilitate substantially full extinction of a laser beam (90) to prevent unwanted laser energy from impinging a workpiece (80); fac... | 11/07/2006 |
| 7133186 | AOM modulation techniques employing transducers to modulate different axes Digital control of frequency and/or amplitude modulation techniques of an intracavity and/or extracavity AOM (60) facilitate substantially full extinction of a laser beam (90) to prevent unwanted laser energy from impinging a workpiece (80); fac... | 11/07/2006 |
| 7133187 | AOM modulation techniques employing plurality of transducers to improve laser system performance Digital control of frequency and/or amplitude modulation techniques of an intracavity and/or extracavity AOM (60) facilitate substantially full extinction of a laser beam (90) to prevent unwanted laser energy from impinging a workpiece (80); fac... | 11/07/2006 |
| 7027199 | AOM modulation techniques for facilitating pulse-to-pulse energy stability in laser systems Digital control of frequency and/or amplitude modulation techniques of an intracavity and/or extracavity AOM (60) facilitate substantially full extinction of a laser beam (90) to prevent unwanted laser energy from impinging a workpiece (80); fac... | 04/11/2006 |
| 7019891 | AOM modulation techniques employing plurality of tilt-angled transducers to improve laser system performance Digital control of frequency and/or amplitude modulation techniques of an intracavity and/or extracavity AOM (60) facilitate substantially full extinction of a laser beam (90) to prevent unwanted laser energy from impinging a workpiece (80); fac... | 03/28/2006 |
| 7016115 | Communication with non-flickering illumination A system for and method of generating electromagnetic radiation in which the radiation has both a first and second utility. The electromagnetic radiation is modulated to produce electronically detectable variations to achieve the second utility, the variations not a... | 03/21/2006 |
| 6791734 | Method and apparatus for information modulation for impulse radios A method and apparatus for information modulation for impulse radios are presented in both single-tone and pulse stream configurations. The modulation techniques include combinations of amplitude and phase modulation. The modulation techniques include both digital a... | 09/14/2004 |
| 6751009 | Acousto-micro-optic deflector An acousto-micro-optic deflector (AMOD) is provided. This device uses a special combination of an acousto-optic deflector (AOD) and a micro-optic deflector (MOD) to provide agile gimballess beam steering over large angles. The combination is driven such that the ent... | 06/15/2004 |
| 6052216 | Laser and beam intensity modulation system for imagesetting device A laser beam intensity modulation system has a variable delay circuit that is used to control the relative delay in the delivery of a video signal between two cascaded AOM's. This delay circuit is controlled by a delay controller that monitors the intensi... | 04/18/2000 |
| 5883733 | Apparatus for correcting vibrations of images due to vibrations of hands in a video camera An apparatus for minimizing vibration of images in video cameras due to vibration of the operator's hands includes a motion detector, an electric field generator which receives information from the motion detector and generate voltages related to the hori... | 03/16/1999 |
| 5801874 | Optical scanning system having multi-pass acoustic traveling wave lens A folded acoustic traveling wave lens arrangement imparts multiple passes of an incident optical beam through the traveling wave lens, and thereby effectively maximize utilization of acoustic power. A lens of optically transmissive bulk material, such as ... | 09/01/1998 |
| 5166822 | Light beam frequency comb generator A light beam frequency comb generator uses an acousto-optic modulator to generate a plurality of light beams with frequencies which are uniformly separated and possess common noise and drift characteristics. A well collimated monochromatic input light bea... | 11/24/1992 |
| 5111332 | Method of and apparatus for controlling deflection of optical beams An AOD driver (27) generates a driving signal of an AOD (11), whose frequency varies in response to a sweep signal and whose amplitude varies in accordance with an amplitude control signal. In an initial stage, a constant signal level is stored in a memor... | 05/05/1992 |
| 5107368 | Light beam scanning apparatus A light beam scanning apparatus comprises an ultrasonic light deflector for diffracting a light beam of a predetermined wavelength, and a reflecting mirror position approximately normal to light deflected by the ultrasonic light deflector for reflecting t... | 04/21/1992 |
| 4697888 | Frequency shifted cavity for electromagnetic radiation A frequency shifted cavity apparatus for electromagnetic radiation.... | 10/06/1987 |
| 4606614 | Acousto-optic isolator An acousto-optic isolator for a semiconductor laser diode comprises a Fabry-Perot resonator tuned to the laser optical frequency fo followed by an acousto-optic Bragg diffraction device utilizing surface acoustic waves of frequency fa | 08/19/1986 |
| 4473276 | Acousto-optic deflector utilizing internal deflection An acousto-optic deflector is shown which diffracts a beam of incident light from a zero order beam into a first order beam. Normally such diffraction deflects but 1% of the light energy within the incident beam. This deflection may be improved by success... | 09/25/1984 |
| 4473275 | Method and apparatus for improving the efficiency of an acousto-optic deflector An acousto-optic deflector or modulator is shown which diffracts a beam of incident light from a zero order beam into a first order beam. Normally such diffraction deflects but 1% of the light energy within the incident beam. This deflection may be improv... | 09/25/1984 |
| 4448494 | Acousto-optical signal detector Coherent light is incident upon an acousto-optical cell through which bulk acoustic waves are propagating. These acoustic waves correspond to a signal to be detected and cause periodic variations in the refractive index of the cell which interact with the... | 05/15/1984 |
| 4443066 | Acousto-optical apparatus for shifting a beam of light Apparatus for translating the position of a coherent beam of light using one or more acousto-optical cells. The beam is incident upon an acousto-optical cell through which acoustic waves of a selected frequency are propagating. These acoustic waves cause ... | 04/17/1984 |
| 4032220 | Light optic data handling system The system herein includes light optic means which functions as light beam distributor in making available, almost instantly, one or more of a plurality of input light beams at any of a plurality of differently positioned output paths of the system as opp... | 06/28/1977 |
| 4004847 | Light optic data handling system The system herein includes light optic means which function as a light beam distributor in making available, almost instantly, an information bearing beam of light at any of a plurality of differently positioned output paths of the system as opposed to th... | 01/25/1977 |
| 4000939 | Light optic data handling systems The system herein includes light optic means which functions as a light beam distributor in making available, almost instantly, an information bearing beam of light along any one of a plurality of differently positioned output paths stemming from the syst... | 01/04/1977 |
| 3962657 | Broadband data modulation system A broadband data modulation system for the transmission of amplitude and frequency modulation data with a bandwidth up to and greater than 500 MHz. The system involves the multiple heterodyning of microwave signals with infrared or optical signals. The da... | 06/08/1976 |
