DE3784829T3 - Eingangsvorrichtung mit Tasten. - Google Patents
Eingangsvorrichtung mit Tasten.Info
- Publication number
- DE3784829T3 DE3784829T3 DE3784829T DE3784829T DE3784829T3 DE 3784829 T3 DE3784829 T3 DE 3784829T3 DE 3784829 T DE3784829 T DE 3784829T DE 3784829 T DE3784829 T DE 3784829T DE 3784829 T3 DE3784829 T3 DE 3784829T3
- Authority
- DE
- Germany
- Prior art keywords
- buttons
- input device
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
- H03M11/22—Static coding
- H03M11/24—Static coding using analogue means, e.g. by coding the states of multiple switches into a single multi-level analogue signal or by indicating the type of a device using the voltage level at a specific tap of a resistive divider
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61248614A JPH0625959B2 (ja) | 1986-10-20 | 1986-10-20 | 入力装置 |
JP62132474A JPH0673254B2 (ja) | 1987-05-28 | 1987-05-28 | キ−入力装置 |
JP62132475A JPH0673255B2 (ja) | 1987-05-28 | 1987-05-28 | キ−入力装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE3784829D1 DE3784829D1 (de) | 1993-04-22 |
DE3784829T2 DE3784829T2 (de) | 1993-10-14 |
DE3784829T3 true DE3784829T3 (de) | 1997-04-17 |
Family
ID=27316507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3784829T Expired - Lifetime DE3784829T3 (de) | 1986-10-20 | 1987-10-19 | Eingangsvorrichtung mit Tasten. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4872008A (de) |
EP (1) | EP0264884B2 (de) |
DE (1) | DE3784829T3 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0628020B2 (ja) * | 1988-01-22 | 1994-04-13 | 株式会社東芝 | キー入力装置 |
JPH0314075A (ja) * | 1989-06-13 | 1991-01-22 | Ricoh Co Ltd | 文書検索装置 |
US5036320A (en) * | 1989-07-31 | 1991-07-30 | Chrysler Corporation | Smart multiple switch scanner, single wire bus multiplex system therefor |
DE4104230A1 (de) * | 1991-02-12 | 1992-08-13 | Siemens Ag | Bussystem |
KR930008505Y1 (ko) * | 1991-05-04 | 1993-12-22 | 주식회사 금성사 | 마이크로 컴퓨터의 키이신호 입력회로 |
US5329377A (en) * | 1992-09-14 | 1994-07-12 | Ethix Corporation | Facsimile communicating aid |
US5521986A (en) * | 1994-11-30 | 1996-05-28 | American Tel-A-Systems, Inc. | Compact data input device |
KR100203745B1 (ko) * | 1996-05-27 | 1999-06-15 | 윤종용 | 에이디씨-키 패드 장치 및 그의 제어방법 |
EP0917293A1 (de) * | 1997-11-13 | 1999-05-19 | Koninklijke Philips Electronics N.V. | Tastaturvorrichtung und Tastatur mit Erfassung von gleichzeitiger Betätigung zweier Tasten |
DE10044087A1 (de) * | 2000-09-07 | 2002-04-04 | Bosch Gmbh Robert | Vorrichtung zur Aktivierung eines Steuergeräts |
KR20040067641A (ko) * | 2003-01-24 | 2004-07-30 | 삼성전자주식회사 | 전자렌지 |
CN101272728B (zh) * | 2005-09-21 | 2010-09-29 | 杨章民 | 电子装置 |
US7688230B2 (en) * | 2006-07-13 | 2010-03-30 | Emerson Electric Co. | Switching device with critical switch detection |
US8866642B2 (en) * | 2007-11-23 | 2014-10-21 | Google Inc. | Uniquely identifiable keys for electronic keyboards |
TW201511471A (zh) * | 2013-09-10 | 2015-03-16 | Wistron Corp | 開關電路及電子裝置 |
CA3100551A1 (en) * | 2018-05-18 | 2019-11-21 | 1004335 Ontario Inc. carrying on business as A D Metro | Optical touch sensor devices and systems |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4015254A (en) * | 1975-12-04 | 1977-03-29 | General Motors Corporation | Keyboard encoding circuit utilizing an A/D converter |
US4429301A (en) * | 1981-10-26 | 1984-01-31 | Amp Incorporated | Means for decoding a switch array |
JPS58213330A (ja) * | 1982-06-07 | 1983-12-12 | Victor Co Of Japan Ltd | キ−入力判別装置 |
US4736190A (en) * | 1982-11-01 | 1988-04-05 | Texas Instruments Incorporated | Sheet membrane keyboard and electronic apparatus using same |
US4544924A (en) * | 1982-12-22 | 1985-10-01 | Rca Corporation | On-off arrangement in a microprocessor controlled remote transmitter for a consumer instrument |
US4581603A (en) * | 1983-03-11 | 1986-04-08 | The Maxi-Switch Company | Switch matrix key closure validation device and method |
GB2151379A (en) * | 1983-12-13 | 1985-07-17 | Stephen Harold Alsop | Key pad |
US4725816A (en) * | 1984-12-10 | 1988-02-16 | John Fluke Mfg. Co., Inc. | Matrix keyboard encoder circuit |
-
1987
- 1987-10-19 EP EP87115277A patent/EP0264884B2/de not_active Expired - Lifetime
- 1987-10-19 DE DE3784829T patent/DE3784829T3/de not_active Expired - Lifetime
- 1987-10-20 US US07/110,327 patent/US4872008A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0264884A3 (en) | 1990-10-10 |
EP0264884B1 (de) | 1993-03-17 |
EP0264884A2 (de) | 1988-04-27 |
DE3784829D1 (de) | 1993-04-22 |
DE3784829T2 (de) | 1993-10-14 |
US4872008A (en) | 1989-10-03 |
EP0264884B2 (de) | 1996-12-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8366 | Restricted maintained after opposition proceedings |