Did You Know...
...In 1790, the cost to obtain a patent was between $4 and $5.
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.
| Application No. | Application Title | Issue Date |
| 20120206414 | MOBILE DEVICE Disclosed is a mobile device comprising an acceleration detection unit for detecting acceleration relative to the device; a condition identification unit; and a power supply controller which determines, from a combination of the output of the acceleration detection unit... | 08/16/2012 |
| 20110260629 | Illuminance Sensor, and Electronic Equipment and Semiconductor Device Using the Same In an illuminance sensor, a photoelectric converter (1) includes three photosensors (PS), and each photosensor (PS) outputs a current as a difference between photocurrents generated in two photodiodes (PDA, PDB) having different light reception characteristics. R... | 10/27/2011 |
| 20090312987 | Ambient Light Sensor and Electronic Equipment An ambient light sensor (1) incorporated in electronic equipment includes a plurality of amplifiers (11, 12). Receiving signals (S1, S2) corresponding to the plurality of amplifiers (11, 12) respectively, the plurality of amplifiers (<... | 12/17/2009 |
| 20080012741 | Analog/Digital Converter, Illuminance Sensor, Illumination Device, And Electronic Device An analog/digital converter has a charge circuit that has a charge capacitor storing an electric charge commensurate with an input current, and first and second discharge circuits that discharge the electric charge stored in the charge capacitor. While the charge capaci... | 01/17/2008 |
| 20070166050 | Optical communication module An infrared communication module (A1) includes a sealing resin member (5) formed with an inclined surface (5b) positioned adjacent to a lens (5a) and inclined in both of the x direction in which an LED (2) and a photodiod... | 07/19/2007 |
| 20050123307 | Optical receiver and data communication apparatus comprising same An optical receiver is capable of minimizing fluctuations in the pulse width of an electrical signal rendered by converting an optical signal of broad-range illumination. The optical receiver includes a light-receiving element that receives an optical signal and convert... | 06/09/2005 |
| 20050057169 | Light receiving and emitting electronic apparatus A light receiving and emitting electronic apparatus having a light emitting device, a light receiving device, and a driving device for driving the light emitting device and the light receiving device, and serving to transmit/receive data to/from an outside through the l... | 03/17/2005 |
