JPS5088935A - - Google Patents

Info

Publication number
JPS5088935A
JPS5088935A JP49133768A JP13376874A JPS5088935A JP S5088935 A JPS5088935 A JP S5088935A JP 49133768 A JP49133768 A JP 49133768A JP 13376874 A JP13376874 A JP 13376874A JP S5088935 A JPS5088935 A JP S5088935A
Authority
JP
Japan
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.)
Pending
Application number
JP49133768A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS5088935A publication Critical patent/JPS5088935A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/01—Details
    • H03K3/013—Modifications of generator to prevent operation by noise or interference
    • 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)
  • Input From Keyboards Or The Like (AREA)
JP49133768A 1973-11-29 1974-11-22 Pending JPS5088935A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US420124A US3886543A (en) 1973-11-29 1973-11-29 Debounce logic for keyboard

Publications (1)

Publication Number Publication Date
JPS5088935A true JPS5088935A (ja) 1975-07-17

Family

ID=23665177

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49133768A Pending JPS5088935A (ja) 1973-11-29 1974-11-22

Country Status (6)

Country Link
US (1) US3886543A (ja)
JP (1) JPS5088935A (ja)
CA (1) CA1017252A (ja)
DE (1) DE2455433A1 (ja)
GB (1) GB1484705A (ja)
IT (1) IT1025900B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55119730A (en) * 1979-03-09 1980-09-13 Hitachi Ltd Input unit

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106011A (en) * 1975-10-24 1978-08-08 Tektronix, Inc. Keyboard circuit
US4024534A (en) * 1975-11-24 1977-05-17 Xerox Corporation Keyboard encoding with repeat key pause
US4140039A (en) * 1976-04-12 1979-02-20 Faulkner Alfred H Hand held synthesizer
US4117758A (en) * 1976-11-04 1978-10-03 Kimball International, Inc. Binary word debouncer
US4174652A (en) * 1977-08-26 1979-11-20 Teledyne Industries, Inc. Method and apparatus for recording digital signals for actuating solenoid
DE3104130C2 (de) * 1981-02-06 1984-05-10 Kautt & Bux Kg, 7000 Stuttgart "Elektromagnetisch angetriebenes Schlaggerät"
US4853685A (en) * 1988-04-29 1989-08-01 Baker Industries, Inc. Switch monitoring arrangement with remote adjustment capability having debounce circuitry for accurate state determination
US5457455A (en) * 1992-09-22 1995-10-10 Rockwell International Corporation Real time keyboard scanner
US5315539A (en) * 1992-09-24 1994-05-24 Xerox Corporation Method and apparatus for debouncing signals
US5440072A (en) * 1992-09-25 1995-08-08 Willis; Raymon A. System for rejuvenating vintage organs and pianos
US5386159A (en) * 1993-06-30 1995-01-31 Harris Corporation Glitch suppressor circuit and method
US7203779B2 (en) * 2002-01-30 2007-04-10 Stmicroelectronics, Inc. Fast turn-off slow turn-on arbitrator for reducing tri-state driver power dissipation on a shared bus
US20030163627A1 (en) * 2002-02-28 2003-08-28 Deng Brian Tse Enhanced universal serial bus (USB) bus monitor controller
TWI232028B (en) * 2004-04-23 2005-05-01 Sunplus Technology Co Ltd Gain circuit, A/D converter circuit and common operational amplifier thereof
US7230548B2 (en) * 2004-09-28 2007-06-12 Broadcom Corporation Method and apparatus for high performance key detection with key debounce
US7786901B2 (en) * 2007-04-03 2010-08-31 Motorola, Inc. Key press registration in an electronic device with moveable housings
US7984226B2 (en) * 2009-06-10 2011-07-19 Hand Held Products, Inc. Method for sensing and auto switching between two USB input ports to a single port on the PDA
US8847439B2 (en) * 2011-10-20 2014-09-30 Fisher Controls International, Llc Multiple-contact switches
FR3040091B1 (fr) * 2015-08-10 2017-08-25 Sagemcom Broadband Sas Procede de parametrage de la reactivite d’un dispositif electronique observee suite a la reception d’une commande emise depuis un equipement de controle voisin et dispositif adapte pour la mise en oeuvre d’un tel procede
CN105680873B (zh) * 2016-01-05 2018-06-26 湖南工业大学 独立式键盘扫描编码电路
CN118210646B (zh) * 2024-03-27 2025-01-21 重庆赛力斯凤凰智创科技有限公司 故障信息去抖动方法、装置、电子设备和可读存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448254A (en) * 1965-07-28 1969-06-03 Anker Werke Ag Data checking system
US3675239A (en) * 1970-09-14 1972-07-04 Ncr Co Unlimited roll keyboard circuit
US3792466A (en) * 1972-05-31 1974-02-12 Mos Technology Inc Keyboard entry system with n-key rollover and n-key lockout protection

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
OMRON TECHNICS=S47 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55119730A (en) * 1979-03-09 1980-09-13 Hitachi Ltd Input unit

Also Published As

Publication number Publication date
IT1025900B (it) 1978-08-30
CA1017252A (en) 1977-09-13
GB1484705A (en) 1977-09-01
US3886543A (en) 1975-05-27
DE2455433A1 (de) 1975-06-05

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