|
| US4035768 | 3. Mai 1976 | 12. Juli 1977 | Veripen, Inc. | Personal identification apparatus |
| US4220815 | 4. Dez. 1978 | 2. Sept. 1980 | Elographics, Inc. | Nonplanar transparent electrographic sensor |
| US4442317 | 14. Sept. 1981 | 10. Apr. 1984 | Sun-Flex Company, Inc. | Coordinate sensing device |
| US4444998 | 27. Okt. 1981 | 24. Apr. 1984 | Spectra-Symbol Corporation | Touch controlled membrane for multi axis voltage selection |
| US4456787 | 6. Juli 1982 | 26. Juni 1984 | Scriptel Corporation | Electrographic system and method |
| US4463232 | 10. Juni 1982 | 31. Juli 1984 | Toho- Polymer Kabushiki Kaisha | Membrane switch having spacer posts |
| US4484026 | 15. März 1983 | 20. Nov. 1984 | Koala Technologies Corporation | Touch tablet data device |
| US4493104 | 11. Dez. 1981 | 8. Jan. 1985 | Moore Business Forms, Inc. | Character recognition device |
| US4523654 | 14. Sept. 1983 | 18. Juni 1985 | Scriptel Corporation | Electrographic system |
| US4529959 | 31. Jan. 1984 | 16. Juli 1985 | Alps Electric Co., Ltd. | Input device |
| US4550250 | 14. Nov. 1983 | 29. Okt. 1985 | HEI, Inc. | Cordless digital graphics input device |
| US4581483 | 30. März 1984 | 8. Apr. 1986 | Koala Technologies Corporation | Interface circuitry for interconnecting touch tablet with a computer interface |
| US4600807 | 26. Okt. 1984 | 15. Juli 1986 | Scriptel Corporation | Electrographic apparatus |
| US4620062 | 10. Okt. 1984 | 28. Okt. 1986 | RDI Limited Partnership | Device for forming signals which are characteristic of the position of a point determined on a surface |
| US4631355 | 18. Dez. 1984 | 23. Dez. 1986 | AT&T Bell Laboratories | Telautograph system |
| US4636582 | 29. Aug. 1984 | 13. Jan. 1987 | Toppan Moore Co., Ltd. | Signal input sheet having a conductive shield layer |
| US4650926 | 7. Juni 1985 | 17. März 1987 | Scriptel Corporation | Electrographic system and method |
| US4677417 | 6. Dez. 1985 | 30. Juni 1987 | Alps Electric Co., Ltd. | Tablet type input device |
| US4678869 | 27. Mai 1986 | 7. Juli 1987 | Scriptel Corporation | Position responsive apparatus, system and method having electrographic application |
| US4707570 | 12. Febr. 1986 | 17. Nov. 1987 | Ricoh Company, Ltd. | Manual information input device |
| US4801767 | 1. Juni 1987 | 31. Jan. 1989 | Omron Tateisi Electronics Co. | Coordinate inputting sheet with auxiliary electrodes promoting accuracy of positional detection |
| US4801771 | 13. Okt. 1987 | 31. Jan. 1989 | Yamaha Corporation | Force sensitive device |
| US4806709 | 26. Mai 1987 | 21. Febr. 1989 | Microtouch Systems, Inc. | Method of and apparatus for sensing the location, such as coordinates, of designated points on an electrically sensitive touch-screen surface |
| US4821029 | 26. Apr. 1984 | 11. Apr. 1989 | Microtouch Systems, Inc.
The Academy of Applied Science | Touch screen computer-operated video display process and apparatus |
| US4897511 | 16. Juni 1988 | 30. Jan. 1990 | Gunze Limited | Method of detection of the contacting position in touch panel sensor |
| US4914624 | 6. Mai 1988 | 3. Apr. 1990 | | Virtual button for touch screen |
| US4958148 | 22. Jan. 1988 | 18. Sept. 1990 | Elmwood Sensors, Inc. | Contrast enhancing transparent touch panel device |
| US4963417 | 1. Juli 1988 | 16. Okt. 1990 | Toray Industries, Inc. | Pressure-sensitive tablet |
| US4990900 | 9. Juni 1988 | 5. Febr. 1991 | Alps Electric Co., Ltd. | Touch panel |
| US5087825 | 15. Febr. 1990 | 11. Febr. 1992 | Nartron Corporation | Capacity responsive keyboard |
| US5153572 | 8. Juni 1990 | 6. Okt. 1992 | Donnelly Corporation | Touch-sensitive control circuit |
| US5157273 | 8. Juni 1990 | 20. Okt. 1992 | Donnelly Corporation | Modular power outlet strip |
| US5189417 | 16. Okt. 1990 | 23. Febr. 1993 | Donnelly Corporation | Detection circuit for matrix touch pad |
| US5220136 | 26. Nov. 1991 | 15. Juni 1993 | Elographics, Inc. | Contact touchscreen with an improved insulated spacer arrangement |
| US5228562 | 9. Sept. 1991 | 20. Juli 1993 | GM Nameplate, Inc. | Membrane switch and fabrication method |
| US5243162 | 4. Sept. 1991 | 7. Sept. 1993 | Alps Electric Co., Ltd. | Transparent touch switch |
| US5251123 | 13. Aug. 1991 | 5. Okt. 1993 | I C Operating, Inc. | High resolution system for sensing spatial coordinates |
| US5426732 | 5. Okt. 1994 | 20. Juni 1995 | International Business Machines Corporation | Method and apparatus for user control by deriving next states of a process from a current state and by providing a visual presentation of the derived next states |
| US5451724 | 30. Juli 1993 | 19. Sept. 1995 | Fujitsu Limited | Touch panel for detecting a coordinate of an arbitrary position where pressure is applied |
| US5530209 | 18. Okt. 1994 | 25. Juni 1996 | Alps Electric Co., Ltd. | Coordinate input device and method for manufacturing same |
| US5541370 | 28. Juli 1994 | 30. Juli 1996 | Catalysts & Chemicals Industries Co., Ltd. | Pressure-sensitive pad and production thereof |
| US5550339 | 31. Okt. 1994 | 27. Aug. 1996 | CTS Corporation | Variable speed tactile switch |
| US5633660 | 28. Apr. 1995 | 27. Mai 1997 | Trinitech Systems Inc. | Integrated touch screen input device |
| US5686705 | 15. Febr. 1996 | 11. Nov. 1997 | Explore Technologies, Inc. | Surface position location system and method |
| US5711672 | 30. Juni 1995 | 27. Jan. 1998 | TV Interactive Data Corporation | Method for automatically starting execution and ending execution of a process in a host device based on insertion and removal of a storage media into the host device |
| US5749735 | 3. Nov. 1995 | 12. Mai 1998 | TV Interactive Data Corporation | Interactive book, magazine and audio/video compact disk box |
| US5757304 | 13. Sept. 1996 | 26. Mai 1998 | TV Interactive Data Corporation | Remote control including an integrated circuit die supported by a printed publication and method for forming the remote control |
| US5788507 | 2. Nov. 1995 | 4. Aug. 1998 | TV Interactive Data Corporation | Method for remotely controlling a display of information from a storage media |
| US5795156 | 1. Nov. 1995 | 18. Aug. 1998 | TV Interactive Data Corporation | Host device equipped with means for starting a process in response to detecting insertion of a storage media |
| US5796183 | 31. Jan. 1996 | 18. Aug. 1998 | Nartron Corporation | Capacitive responsive electronic switching circuit |
| US5815141 | 12. Apr. 1996 | 29. Sept. 1998 | Elo Touch Systems, Inc. | Resistive touchscreen having multiple selectable regions for pressure discrimination |
| US5818430 | 24. Jan. 1997 | 6. Okt. 1998 | C.A.M. Graphics Co., Inc. | Touch screen |
| US5839905 | 31. Okt. 1995 | 24. Nov. 1998 | TV Interactive Data Corporation | Remote control for indicating specific information to be displayed by a host device |
| US5877458 | 21. Nov. 1996 | 2. März 1999 | KKE/Explore Acquisition Corp. | Surface position location system and method |
| US5911582 | 5. Febr. 1996 | 15. Juni 1999 | TV Interactive Data Corporation | Interactive system including a host device for displaying information remotely controlled by a remote control |
| US5957695 | 15. Febr. 1996 | 28. Sept. 1999 | TV Interactive Corporation | Structure and method for displaying commercials and sending purchase orders by computer |
| US6175773 | 23. Nov. 1998 | 16. Jan. 2001 | LG Electronics, Inc. | High resolution system for sensing spatial coordinates |
| US6249863 | 3. Mai 1999 | 19. Juni 2001 | TV Interactive Data Corporation | Host device equipped with means for starting a process in response to detecting insertion of a storage media |
| US6305073 | 29. Dez. 1999 | 23. Okt. 2001 | GM Nameplate, Inc. | One-sided electrode arrangement on an intermediate spacer for a touchscreen |
| US6333736 | 20. Mai 1999 | 25. Dez. 2001 | Electrotextiles Company Limited | Detector constructed from fabric |
| US6344623 | 2. März 2000 | 5. Febr. 2002 | Sumitomo Electric Industries, Ltd. | Membrane switch and production method thereof |
| US6369804 | 23. Apr. 1999 | 9. Apr. 2002 | Eleksen Limited | Detector constructed from fabric having non-uniform conductivity |
| US6437258 | 19. Juli 2001 | 20. Aug. 2002 | Eleksen Limited | Detector constructed from fabric having planes with differing conductance |
| US6452479 | 22. Jan. 2001 | 17. Sept. 2002 | Eleksen Limited | Detector contructed from fabric |
| US6477274 | 22. Okt. 1999 | 5. Nov. 2002 | Ericsson Inc. | Handwritten character recognition devices and electronic devices incorporating same |
| US6483498 | 17. März 1999 | 19. Nov. 2002 | International Business Machines Corporation | Liquid crystal display with integrated resistive touch sensor |
| US6492980 | 19. Juli 2001 | 10. Dez. 2002 | Eleksen Limited | Multiplexing detector constructed from fabric |
| US6501465 | 19. Juli 2001 | 31. Dez. 2002 | Eleksen Limited | Detector constructed from fabric using measured current to determine pressure |
| US6504531 | 18. Jan. 2001 | 7. Jan. 2003 | Eleksen Limited | Detecting mechanical interactions |
| US6639162 | 29. Nov. 2001 | 28. Okt. 2003 | Electrotextiles Company Limited | Input device |
| US6650319 | 5. März 1999 | 18. Nov. 2003 | Elo Touchsystems, Inc. | Touch screen based topological mapping with resistance framing design |
| US6650867 | 16. Nov. 2001 | 18. Nov. 2003 | Smartpaper Networks Corporation | Remote control apparatus and method of transmitting data to a host device |
| US6661405 | 19. Mai 2000 | 9. Dez. 2003 | LeapFrog Enterprises, Inc. | Electrographic position location apparatus and method |
| US6668156 | 5. Febr. 2001 | 23. Dez. 2003 | LeapFrog Enterprises, Inc. | Print media receiving unit including platform and print media |
| US6714117 | 24. Juli 2002 | 30. März 2004 | Eleksen Limited | Detector constructed from fabric |
| US6861961 | 30. März 2001 | 1. März 2005 | Electrotextiles Company Limited | Foldable alpha numeric keyboard |
| US6926106 | 5. Mai 2003 | 9. Aug. 2005 | Invacare Corporation | Wheelchair having speed and direction control touchpad |
| US6947031 | 30. März 2001 | 20. Sept. 2005 | Electrotextiles Company Limited | Data processing apparatus with replacement keyboard |
| US6968151 | 16. Okt. 2003 | 22. Nov. 2005 | Smartpaper Networks Corporation | Remote control |
| US6985139 | 5. Jan. 2004 | 10. Jan. 2006 | LeapFrog Enterprises, Inc. | Interactive apparatus using print media |
| US7006786 | 4. Juni 2003 | 28. Febr. 2006 | Tinkers & Chance | Computer software and portable memory for an electronic educational toy |
| US7018213 | 29. Dez. 2003 | 28. März 2006 | Tinkers & Chance | Electronic educational toy teaching letters words, numbers and pictures |
| US7029283 | 29. Dez. 2003 | 18. Apr. 2006 | Tinkers & Chance | Electronic educational toy |
| US7039355 | 11. März 2003 | 2. Mai 2006 | LeapFrog Enterprises, Inc. | Print media receiving unit including platform and print media |
| US7040898 | 29. Dez. 2003 | 9. Mai 2006 | Tinkers & Chance | Computer software and portable memory for an electronic educational toy |
| US7068262 | 9. Juni 2003 | 27. Juni 2006 | LeapFrog Enterprises, Inc. | Writing stylus for electrographic position location apparatus |
| US7102614 | 30. Mai 2001 | 5. Sept. 2006 | Eleksen Limited | Manual input apparatus for a handheld device |
| US7120386 | 11. März 2003 | 10. Okt. 2006 | LeapFrog Enterprises, Inc. | Print media receiving unit including platform and print media |
| US7139523 | 11. März 2003 | 21. Nov. 2006 | LeapFrog Enterprises, Inc. | Print media receiving unit including platform and print media |
| US7161084 | 30. März 2001 | 9. Jan. 2007 | Electrotextiles Company Limited | Detector constructed from electrically conducting fabric |
| US7203455 | 30. Mai 2003 | 10. Apr. 2007 | Mattel, Inc. | Interactive multi-sensory reading system electronic teaching/learning device |
| US7214066 | 12. Jan. 2004 | 8. Mai 2007 | Tinkers & Chance | Computer software and portable memory for an electronic educational toy having a contact sensitive display screen |
| US7217135 | 12. Jan. 2004 | 15. Mai 2007 | Tinkers & Chance | Electronic educational toy having a contact-sensitive display screen |
| US7265686 | 15. Juli 2003 | 4. Sept. 2007 | Tyco Electronics Corporation | Touch sensor with non-uniform resistive band |
| US7289111 | 25. März 2004 | 30. Okt. 2007 | International Business Machines Corporation | Resistive touch pad with multiple regions of sensitivity |
| US7299971 | 22. Apr. 2004 | 27. Nov. 2007 | LeapFrog Enterprises, Inc. | Print media information systems and methods |
| US7365031 | 2. Apr. 2001 | 29. Apr. 2008 | Intelligent Textiles Limited | Conductive pressure sensitive textile |
| US7402042 | 30. Mai 2003 | 22. Juli 2008 | Mattel, Inc. | Electronic learning device for an interactive multi-sensory reading system |
| US7499036 | 12. Sept. 2003 | 3. März 2009 | LeapFrog Enterprises, Inc. | Electrographic position location apparatus and method |
| US7557939 | 22. Apr. 2004 | 7. Juli 2009 | LeapFrog Enterprises, Inc. | Print media information systems and methods |
| US7567242 | 23. Mai 2007 | 28. Juli 2009 | LeapFrog Enterprises, Inc. | Writing stylus |
| US7800589 | 6. Dez. 2000 | 21. Sept. 2010 | Tyco Electronics Corporation | Touch screen with relatively conductive grid |
| US7831933 | 12. Jan. 2005 | 9. Nov. 2010 | LeapFrog Enterprises, Inc. | Method and system for implementing a user interface for a device employing written graphical elements |
| US7853193 | 1. Nov. 2005 | 14. Dez. 2010 | LeapFrog Enterprises, Inc. | Method and device for audibly instructing a user to interact with a function |
| US7883420 | 11. Sept. 2006 | 8. Febr. 2011 | Mattel, Inc. | Video game systems |
| US7916124 | 3. Mai 2006 | 29. März 2011 | LeapFrog Enterprises, Inc. | Interactive apparatus using print media |
| US7922099 | 30. Dez. 2005 | 12. Apr. 2011 | LeapFrog Enterprises, Inc. | System and method for associating content with an image bearing surface |
| US7936339 | 1. Nov. 2005 | 3. Mai 2011 | LeapFrog Enterprises, Inc. | Method and system for invoking computer functionality by interaction with dynamically generated interface regions of a writing surface |
| US7941090 | 16. Jan. 2004 | 10. Mai 2011 | Shoot the Moon Products II, LLC | Interactive book reading system using RF scanning circuit |
| USRE38286 | 28. Febr. 2001 | 28. Okt. 2003 | LeapFrog Enterprises, Inc. | Surface position location system and method |
| USRE39881 | 18. Sept. 2003 | 16. Okt. 2007 | LeapFrog Enterprises, Inc. | Surface position location system and method |
