Acer Peripherals, Inc.
144Patents
0Active
144Granted
41Portfolio score
Filing activity: Aug 13, 1992 → Oct 26, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5880942A | Power supply device with low power dissipation | Electricity | 58 | Expired |
| US6035216A | Device for receiving a SIM card for portable telephone set | Electricity | 44 | Expired |
| US5957718A | Device for receiving a memory card | Electricity | 43 | Expired |
| US6275173A | Rotary encoder producing two output signals | Electricity | 42 | Expired |
| US5434372A | Position detecting apparatus with coils of opposite loop direction | Physics | 36 | Expired |
| US5610663A | Multi-frequency displaying device for displaying both television and personal computer video signals | Electricity | 35 | Expired |
| US5991643A | Radio transceiver having switchable antennas | Electricity | 32 | Expired |
| US5990975A | Dual screen displaying device | Electricity | 31 | Expired |
| US5309348A | Method and apparatus for preventing improper switching of a dual power supply | Electricity | 31 | Expired |
| US6071024A | Ink ribbon positioning system | Performing Operations; Transporting | 31 | Expired |
| US5990435A | Push button switch | Electricity | 30 | Expired |
| US5564669A | Base support of a display device capable of moving on a surface | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5949354A | Computer pointing device | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6054939A | Keyboard assembly | Electricity | 29 | Expired |
| US6118984A | Dual conversion radio frequency transceiver | Electricity | 28 | Expired |
| US6320519A | Keyboard and method for switching key code with a single modifier key | Physics | 26 | Expired |
| USD416876S | Display device | General | 26 | Expired |
| USD420696S | Printer cartridge | General | 25 | Expired |
| US5751860A | Method for compressing and decompressing digital image data | Electricity | 25 | Expired |
| US6185011A | Flatbed scanner with top and bottom light sources and a moveable light shield | Electricity | 25 | Expired |
| US5812385A | Quickly restartable power supply apparatus | Electricity | 24 | Expired |
| USD387051S | Keyboard | General | 24 | Expired |
| US6233011A | Apparatus and method for compensating image being sensed | Electricity | 24 | Expired |
| US5937062A | Hinge module for mounting a flip onto a portable telephone set | Fixed Constructions | 23 | Expired |
| US5581304A | Screen detecting system of a wide screen television for detecting blank top and bottom areas | Emerging Cross-Sectional Technologies | 23 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.