DE69129587D1 - Speicherabbildende-tastatursteuervorrichtung - Google Patents
Speicherabbildende-tastatursteuervorrichtungInfo
- Publication number
- DE69129587D1 DE69129587D1 DE69129587T DE69129587T DE69129587D1 DE 69129587 D1 DE69129587 D1 DE 69129587D1 DE 69129587 T DE69129587 T DE 69129587T DE 69129587 T DE69129587 T DE 69129587T DE 69129587 D1 DE69129587 D1 DE 69129587D1
- Authority
- DE
- Germany
- Prior art keywords
- control device
- keyboard control
- memory keyboard
- memory
- keyboard
- 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
- H03M11/20—Dynamic coding, i.e. by key scanning
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Bus Control (AREA)
- Input From Keyboards Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/612,810 US5280283A (en) | 1990-11-09 | 1990-11-09 | Memory mapped keyboard controller |
PCT/US1991/008362 WO1992009143A1 (en) | 1990-11-09 | 1991-11-08 | Memory mapped keyboard controller |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69129587D1 true DE69129587D1 (de) | 1998-07-16 |
Family
ID=24454747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69129587T Expired - Lifetime DE69129587D1 (de) | 1990-11-09 | 1991-11-08 | Speicherabbildende-tastatursteuervorrichtung |
Country Status (7)
Country | Link |
---|---|
US (2) | US5280283A (de) |
EP (1) | EP0556279B1 (de) |
AU (1) | AU9029091A (de) |
CA (1) | CA2094149C (de) |
DE (1) | DE69129587D1 (de) |
SG (1) | SG43849A1 (de) |
WO (1) | WO1992009143A1 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5450080A (en) * | 1992-04-22 | 1995-09-12 | Samsung Semiconductor, Inc. | Keyboard encoding |
US5365230A (en) * | 1993-03-15 | 1994-11-15 | Cordata, Inc. | Inductively coupled keyboard |
US5459462A (en) * | 1993-12-09 | 1995-10-17 | Onspec Electronic, Inc. | Keyboard controller state machine |
US5539400A (en) * | 1994-08-22 | 1996-07-23 | National Semiconductor Corporation | Ultra-low power, scan on demand keypad encoder |
US5486824A (en) * | 1994-10-05 | 1996-01-23 | Motorola, Inc. | Data processor with a hardware keyscan circuit, hardware keyscan circuit, and method therefor |
US5585792A (en) * | 1994-10-24 | 1996-12-17 | Usar Systems Inc. | Enegry-saving keyboard |
US5623261A (en) * | 1995-04-17 | 1997-04-22 | International Business Machines Corporation | Method and system for translating keyed input within a data processing system |
US5610601A (en) * | 1995-09-19 | 1997-03-11 | Vlsi Technology, Inc. | Multi-purposes keyboard interface |
US5946469A (en) * | 1995-11-15 | 1999-08-31 | Dell Computer Corporation | Computer system having a controller which emulates a peripheral device during initialization |
JP3322294B2 (ja) * | 1996-09-06 | 2002-09-09 | ソニー株式会社 | オーディオ機器におけるキー判別方法およびキー判別回路 |
US5760714A (en) * | 1996-11-20 | 1998-06-02 | Motorola, Inc. | Interrupt-driven keypad scanning method and apparatus |
US5914677A (en) * | 1997-01-15 | 1999-06-22 | Chips & Technologies, Inc. | Apparatus and method for scanning a switch array |
WO1998043173A1 (fr) * | 1997-03-24 | 1998-10-01 | Seiko Epson Corporation | Systeme d'emulation et processeur de donnees |
US6076133A (en) * | 1997-04-30 | 2000-06-13 | Compaq Computer Corporation | Computer interface with hardwire button array |
US6137677A (en) | 1997-06-13 | 2000-10-24 | Compaq Computer Corporation | Ergonomic controls for a personal computer CPU |
US6054940A (en) * | 1998-02-09 | 2000-04-25 | Gilbarco Inc. | Keypad scanning security system |
US6181262B1 (en) | 1998-05-01 | 2001-01-30 | Gateway, Inc. | Keyboard scan code snooper |
US6429793B1 (en) * | 1998-12-03 | 2002-08-06 | International Business Machines Corporation | Abstraction of input mapping for keyboards |
US6473853B1 (en) * | 1999-06-21 | 2002-10-29 | Intel Corporation | Method and apparatus for initializing a computer system that includes disabling the masking of a maskable address line |
DE19929676A1 (de) * | 1999-06-28 | 2001-01-11 | Siemens Ag | Tastaturschnittstelle und Verfahren zur Tastaturansteuerung |
US6578145B1 (en) | 1999-06-29 | 2003-06-10 | Gilbarco Inc. | Methods and systems for securely communicating personal identification number information between a security module and a plurality of secure keypad devices |
US6535931B1 (en) | 1999-12-13 | 2003-03-18 | International Business Machines Corp. | Extended keyboard support in a run time environment for keys not recognizable on standard or non-standard keyboards |
AUPQ673400A0 (en) * | 2000-04-06 | 2000-05-04 | Mcom Solutions Inc | Keypad |
US6465987B1 (en) * | 2000-10-17 | 2002-10-15 | Hewlett-Packard Company | Power source of peripheral devices |
US6630926B2 (en) * | 2000-12-07 | 2003-10-07 | International Business Machines Corporation | Apparatus and method for verifying keystrokes within a computing system |
US6781077B2 (en) | 2000-12-14 | 2004-08-24 | Think Outside, Inc. | Keyswitch and actuator structure |
US20020156941A1 (en) * | 2001-04-18 | 2002-10-24 | David Boll | Scanner having passthrough input control |
US7046234B2 (en) * | 2002-11-21 | 2006-05-16 | Bloomberg Lp | Computer keyboard with processor for audio and telephony functions |
US7525534B2 (en) | 2005-03-14 | 2009-04-28 | Palm, Inc. | Small form-factor keypad for mobile computing devices |
US7623118B2 (en) * | 2005-03-14 | 2009-11-24 | Palm, Inc. | Actuation mechanism for use with keyboards on mobile computing devices |
US7511700B2 (en) | 2005-03-14 | 2009-03-31 | Palm, Inc. | Device and technique for assigning different inputs to keys on a keypad |
US9142369B2 (en) * | 2005-03-14 | 2015-09-22 | Qualcomm Incorporated | Stack assembly for implementing keypads on mobile computing devices |
US7294802B2 (en) | 2005-08-13 | 2007-11-13 | Palm, Inc. | Lighting and usability features for key structures and keypads on computing devices |
US7275836B2 (en) * | 2005-08-13 | 2007-10-02 | Palm, Inc. | Lighting and usability features for key structures and keypads on computing devices |
US20070035522A1 (en) * | 2005-08-13 | 2007-02-15 | Michael Yurochko | Lighting and usability features for key structures and keypads on computing devices |
JP4143632B2 (ja) * | 2005-09-09 | 2008-09-03 | Necソフト株式会社 | 組込みシステムおよびプログラム、並びに、キー割込み制御方法 |
US20070200828A1 (en) * | 2006-02-27 | 2007-08-30 | Peter Skillman | Small form-factor key design for keypads of mobile computing devices |
US7259339B1 (en) * | 2006-09-08 | 2007-08-21 | Palm, Inc. | Enhanced key structure with combined keycap for a mobile computing device |
US8989822B2 (en) * | 2006-09-08 | 2015-03-24 | Qualcomm Incorporated | Keypad assembly for use on a contoured surface of a mobile computing device |
US8566431B2 (en) * | 2008-01-16 | 2013-10-22 | Razer (Asia-Pacific) Pte. Ltd. | Identification device and method for device identification |
US8350728B2 (en) | 2010-04-23 | 2013-01-08 | Hewlett-Packard Development Company, L.P. | Keyboard with integrated and numeric keypad |
US20140089553A1 (en) * | 2012-09-24 | 2014-03-27 | Broadcom Corporation | Interface between a host and a peripheral device |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1601863A (en) * | 1977-03-30 | 1981-11-04 | Citizen Watch Co Ltd | Portable electronic device and input circuit therefor |
JPS5477532A (en) * | 1977-12-02 | 1979-06-21 | Matsushita Electric Ind Co Ltd | Key identifying circuit |
JPS5574629A (en) * | 1978-11-29 | 1980-06-05 | Sony Corp | Key unit |
US4758945A (en) * | 1979-08-09 | 1988-07-19 | Motorola, Inc. | Method for reducing power consumed by a static microprocessor |
US4409665A (en) * | 1979-12-26 | 1983-10-11 | Texas Instruments Incorporated | Turn-off-processor between keystrokes |
US4277780A (en) * | 1980-02-15 | 1981-07-07 | Key Tronic Corporation | Scan-controlled keyboard |
JPS5829040A (ja) * | 1981-08-13 | 1983-02-21 | Toshiba Corp | キ−ボ−ド制御方式 |
DD204170A1 (de) * | 1981-12-21 | 1983-11-16 | Adw Ddr | Unterbrechungsgesteuerte tastatur fuer mikrorechner |
US4590556A (en) * | 1983-01-17 | 1986-05-20 | Tandy Corporation | Co-processor combination |
US4679166A (en) * | 1983-01-17 | 1987-07-07 | Tandy Corporation | Co-processor combination |
JPS59200327A (ja) * | 1983-04-26 | 1984-11-13 | Nec Corp | 周辺装置の制御方式 |
JPS608972A (ja) * | 1983-06-29 | 1985-01-17 | Fujitsu Ltd | マルチプロセツサシステム |
US4698748A (en) * | 1983-10-07 | 1987-10-06 | Essex Group, Inc. | Power-conserving control system for turning-off the power and the clocking for data transactions upon certain system inactivity |
US4703420A (en) * | 1985-02-28 | 1987-10-27 | International Business Machines Corporation | System for arbitrating use of I/O bus by co-processor and higher priority I/O units in which co-processor automatically request bus access in anticipation of need |
US4851987A (en) * | 1986-01-17 | 1989-07-25 | International Business Machines Corporation | System for reducing processor power consumption by stopping processor clock supply if a desired event does not occur |
US4757505A (en) * | 1986-04-30 | 1988-07-12 | Elgar Electronics Corp. | Computer power system |
DE3639571A1 (de) * | 1986-11-20 | 1988-06-01 | Standard Elektrik Lorenz Ag | Verfahren und schaltungsanordnung zum urladen eines zweitrechners |
JPS63163912A (ja) * | 1986-12-26 | 1988-07-07 | Toshiba Corp | マイクロコンピユ−タシステム |
US5155833A (en) * | 1987-05-11 | 1992-10-13 | At&T Bell Laboratories | Multi-purpose cache memory selectively addressable either as a boot memory or as a cache memory |
US4945473A (en) * | 1987-05-15 | 1990-07-31 | Bull Hn Information Systems Inc. | Communications controller interface |
US4888680A (en) * | 1987-10-14 | 1989-12-19 | Little Blue Limited Partnership | Peripheral device interface and controller |
US5038275A (en) * | 1988-10-07 | 1991-08-06 | Advanced Micro Devices, Inc. | Status transfer structure within a data processing system with status read indication |
US4980836A (en) * | 1988-10-14 | 1990-12-25 | Compaq Computer Corporation | Apparatus for reducing computer system power consumption |
US4942606A (en) * | 1989-02-07 | 1990-07-17 | Compaq Computer Corporation | Computer with improved keyboard password functions |
US4959860A (en) * | 1989-02-07 | 1990-09-25 | Compaq Computer Corporation | Power-on password functions for computer system |
US5041964A (en) * | 1989-06-12 | 1991-08-20 | Grid Systems Corporation | Low-power, standby mode computer |
US5261114A (en) * | 1990-11-09 | 1993-11-09 | Ast Research, Inc. | Method and apparatus for providing down-loaded instructions for execution by a peripheral controller |
US5237692A (en) * | 1990-11-09 | 1993-08-17 | Ast Research Inc. | Internal interrupt controller for a peripheral controller |
-
1990
- 1990-11-09 US US07/612,810 patent/US5280283A/en not_active Expired - Lifetime
-
1991
- 1991-11-08 EP EP91920563A patent/EP0556279B1/de not_active Expired - Lifetime
- 1991-11-08 DE DE69129587T patent/DE69129587D1/de not_active Expired - Lifetime
- 1991-11-08 CA CA002094149A patent/CA2094149C/en not_active Expired - Fee Related
- 1991-11-08 WO PCT/US1991/008362 patent/WO1992009143A1/en active IP Right Grant
- 1991-11-08 AU AU90290/91A patent/AU9029091A/en not_active Abandoned
- 1991-11-08 SG SG1996002153A patent/SG43849A1/en unknown
-
1994
- 1994-09-27 US US08/312,685 patent/US5642110A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2094149C (en) | 2000-01-11 |
WO1992009143A1 (en) | 1992-05-29 |
EP0556279A4 (de) | 1994-03-21 |
US5280283A (en) | 1994-01-18 |
CA2094149A1 (en) | 1992-05-10 |
EP0556279A1 (de) | 1993-08-25 |
AU9029091A (en) | 1992-06-11 |
US5642110A (en) | 1997-06-24 |
SG43849A1 (en) | 1997-11-14 |
EP0556279B1 (de) | 1998-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |