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Logitech, Inc. Patents |
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Assignee: Logitech, Inc.
Address: Fremont, CA
No. of patents: 92
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| D440972 |
Computer mouse |
April 24, 2001 |
|
| D439253 |
Ergonomic mouse |
March 20, 2001 |
|
| D435848 |
Ergonomic mouse |
January 2, 2001 |
|
| D435847 |
Computer mouse with roller |
January 2, 2001 |
|
| D433432 |
Video camera |
November 7, 2000 |
|
| D432128 |
Pointing device |
October 17, 2000 |
|
| D430881 |
Computer mouse |
September 12, 2000 |
|
| D430879 |
Computer mouse |
September 12, 2000 |
|
| D430587 |
Video camera |
September 5, 2000 |
|
| D428890 |
Joystick |
August 1, 2000 |
|
| D425883 |
Joystick |
May 30, 2000 |
|
| D423488 |
Cordless mouse |
April 25, 2000 |
|
| D421434 |
3-button mouse |
March 7, 2000 |
|
| D413324 |
Monitor for holding video camera |
August 31, 1999 |
|
| D413322 |
Mouse with roller |
August 31, 1999 |
|
| D413114 |
Computer mouse |
August 24, 1999 |
|
| D411850 |
Video camera |
July 6, 1999 |
|
| D411837 |
Mouse with cushioning pads and roller |
July 6, 1999 |
|
| D411190 |
Cordless mouse |
June 22, 1999 |
|
| D374867 |
Ergonomic trackball |
October 22, 1996 |
|
| D358386 |
Hand-held scanner |
May 16, 1995 |
|
| D356558 |
Cordless electronic mouse |
March 21, 1995 |
|
| D355901 |
Computer mouse |
February 28, 1995 |
|
| D348057 |
Computer mouse |
June 21, 1994 |
|
| D347831 |
Transmitter for use with a 3-D mouse |
June 14, 1994 |
|
| D343392 |
Computer mouse |
January 18, 1994 |
|
| D342064 |
Optical scanner |
December 7, 1993 |
|
| D338883 |
Track ball |
August 31, 1993 |
|
| D337321 |
Electronic mouse |
July 13, 1993 |
|
| D336900 |
Electronic mouse |
June 29, 1993 |
|
| D331398 |
Track ball |
December 1, 1992 |
|
| D328597 |
Computer mouse |
August 11, 1992 |
|
| D320199 |
Trackball |
September 24, 1991 |
|
| 7131751 |
Attachment system for use in an optical illumination system |
November 7, 2006 |
| A system and method of manufacturing directed to an attachment system for use in an optical device. The attachment system mechanically couples a light source to an illumination lens using an attachment device. The attachment device can be an auto-centering device for reducing positional |
| 6813372 |
Motion and audio detection based webcamming and bandwidth control |
November 2, 2004 |
| The disclosure includes a video (including audio) processing system for transmission of a video frame across a network. The system includes a video input mechanism, a motion detection mechanism, and a web cam mechanism. The video input mechanism is configured to receive a first video |
| 6577766 |
Method and apparatus for motion detection in the discrete cosine transform domain |
June 10, 2003 |
| A method and apparatus for detecting motion in digitized images involves the use of discrete cosine transforms. Video images are reduced in size to reduce the number of DCT blocks used in the analysis. Similarly, quantization of only portions of the DCT blocks are needed to detect mo |
| 6437318 |
Encoder using polarized filters |
August 20, 2002 |
| An encoder having a movable element with a first polarized filter coupled to the movable element. A second polarized filter is either stationary, or moves differently from the first polarized filter. A photo-emitter and photodetector are arranged on opposite sides of the two polarized fi |
| 6411281 |
Mouse with battery compartment on top |
June 25, 2002 |
| A cordless mouse with an upper and lower housing. The lower housing includes a hole for receiving a ball which extends through the hole in the bottom of the mouse. The upper housing is uniquely provided with a cavity for receiving a battery, with a portion of the cavity extending over th |
| 6300620 |
Optical sensor for pointing device with conical disks and single photodetector |
October 9, 2001 |
| A method and apparatus for eliminating in at least one light emitter and light detector in a mouse design. This is done by using two conical shaped encoder wheels positioned so that they are almost touching each other. A single light emitter then is used to shine light at the junction, s |
| 6292175 |
Ergonomic trackball device |
September 18, 2001 |
| A pointing device provides increased comfort by supporting the user's hand to avoid extreme positions of posture ranges of the various fingers and joints of the hand and wrist. The device includes an upper surface having a crown on which to rest a palmar region of the palm of the hand of |
| 6284978 |
Cable management for system peripheral device |
September 4, 2001 |
| A keyboard includes a Universal Serial Bus hub having at least one downstream port each for connecting with a connector coupled to a cable of a downstream system peripheral device. The keyboard includes a cable receiving channel for receiving at least a portion of the cable of the do |
| 6256016 |
Optical detection system, device, and method utilizing optical matching |
July 3, 2001 |
| An optical detection system and method detects movement of an optical pointing device in a data processing environment. The system works with any surface than can diffusely scatter a collimated beam from a coherent light source. Specifically, the system comprises a coherent light source |
| 6248018 |
Electromagnetic pointing device using varying overlap of coils and conductive elements |
June 19, 2001 |
| A micro-stick in which the movement of the micro-stick is detected inductively. The micro-stick is connected to an actuator element which varies interaction between an electromagnetic element and a number of conductive coils. In one embodiment, the coils are mounted on a printed circ |
| 6225617 |
Method for generating quasi-sinusoidal signals |
May 1, 2001 |
| A method for generating quasi-sinusoidal signals includes illuminating an object capable of diffusely scattering light, focusing a portion of the scattered light on a multi-element sensor to form an image, and matching the image size to the size of the sensor elements. |
| 6218659 |
Dual layer optical ball for pointing device |
April 17, 2001 |
| A dual-layer optical ball for use in a cursor control pointing device. The ball is illuminated by a light source that emits light signals at, at least, a first wavelength, the ball having an inner layer surface that is capable of diffusing a light signal and an outer layer having a s |
| 6184870 |
Integral ball cage for pointing device |
February 6, 2001 |
| An electronic mouse with an integral ball cage. The ball cage in one embodiment has integrally formed extensions having openings for enclosed shaft encoders and a pressure roller. The shaft encoders are preferably made of a single piece of plastic. The ball cage is preferably formed as |
| 6175360 |
Integral ball cage for pointing device |
January 16, 2001 |
| An electronic mouse with an integral ball cage. The ball cage in one embodiment has integrally formed extensions having openings for enclosed shaft encoders and a pressure roller. The shaft encoders are preferably made of a single piece of plastic. The ball cage is preferably formed as |
| 6157369 |
Optical-mechanical roller with ratchet |
December 5, 2000 |
| A pointing device, such as a mouse, track ball or joystick, having a roller. The roller itself has either a plurality of slits or reflective strips for optical detection. A photoemitter and photodetector are positioned to detect rotation of the roller. Thus, the present invention eli |
| 6138050 |
Antenna system and apparatus for radio-frequency wireless keyboard |
October 24, 2000 |
| An antenna system for a radio frequency ("RF") wireless keyboard includes a metallic plate as a part of the antenna system. The metallic plate is located within the wireless keyboard. A RF transmitter is coupled to the metallic plate and an antenna wire which form an the antenna loop. Th |
| 6124587 |
Pointing device utilizing a photodetector array |
September 26, 2000 |
| A cursor control device for personal computers and workstations includes various embodiments, some of which include a patterned ball and some of which rely on other patterned surfaces, which recognizes changes in the position of the pattern relative to a sensor having an array of pho |
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