NO802339L - Elektrisk tastatur. - Google Patents

Elektrisk tastatur.

Info

Publication number: NO802339L
Authority: NO; Norway
Prior art keywords: conductor; signal; output; gate; logic
Prior art date: 1979-08-24

Application number

NO802339A

Other languages

English (en)

Norwegian (no)

Inventor

Steve Dumbovic

Original Assignee

Illinois Tool Works

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.)

1979-08-24

Filing date

1980-08-05

Publication date

1981-02-25

1980-08-05 Application filed by Illinois Tool Works filed Critical Illinois Tool Works

1981-02-25 Publication of NO802339L publication Critical patent/NO802339L/no

Links

239000011159 matrix material Substances 0.000 claims description 24
125000004122 cyclic group Chemical group 0.000 claims 1
239000004020 conductor Substances 0.000 description 283
238000001514 detection method Methods 0.000 description 10
238000010586 diagram Methods 0.000 description 10
239000003990 capacitor Substances 0.000 description 8
230000000994 depressogenic effect Effects 0.000 description 8
239000004606 Fillers/Extenders Substances 0.000 description 5
230000004913 activation Effects 0.000 description 5
239000002775 capsule Substances 0.000 description 5
230000003111 delayed effect Effects 0.000 description 5
238000010276 construction Methods 0.000 description 3
238000000034 method Methods 0.000 description 3
229920006395 saturated elastomer Polymers 0.000 description 2
230000007704 transition Effects 0.000 description 2
230000005355 Hall effect Effects 0.000 description 1
230000002045 lasting effect Effects 0.000 description 1
210000000006 pectoral fin Anatomy 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
230000003068 static effect Effects 0.000 description 1
210000002435 tendon Anatomy 0.000 description 1
230000001052 transient effect Effects 0.000 description 1

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
- H03M11/02—Details

Landscapes

Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Input From Keyboards Or The Like (AREA)
Electrophonic Musical Instruments (AREA)
Switches With Compound Operations (AREA)
Electronic Switches (AREA)
Complex Calculations (AREA)

NO802339A 1979-08-24 1980-08-05 Elektrisk tastatur. NO802339L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/069,473 US4263582A (en)	1979-08-24	1979-08-24	Keyboard with an externally programmable repeat rate and repeat delay rate counter

Publications (1)

Publication Number	Publication Date
NO802339L true NO802339L (no)	1981-02-25

Family

ID=22089205

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO802339A NO802339L (no)	1979-08-24	1980-08-05	Elektrisk tastatur.

Country Status (10)

Country	Link
US (1)	US4263582A (it)
JP (1)	JPS5633728A (it)
BE (1)	BE884874A (it)
BR (1)	BR8005252A (it)
CA (1)	CA1160316A (it)
DE (1)	DE3031542A1 (it)
FR (1)	FR2463956A1 (it)
GB (1)	GB2057171A (it)
IT (1)	IT1132449B (it)
NO (1)	NO802339L (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4833446A (en) *	1979-11-21	1989-05-23	Ergoplic Ltd.	Keyboard apparatus and method
US4408191A (en) *	1979-12-12	1983-10-04	Sperry Corporation	Key cycle timer control providing a universal keyboard
JPS5829040A (ja) *	1981-08-13	1983-02-21	Toshiba Corp	キ−ボ−ド制御方式
JPS5844635U (ja) *	1981-09-21	1983-03-25	横河電機株式会社	キ−入力装置
US4758829A (en) *	1982-06-04	1988-07-19	Smith Iii William N	Apparatus for stimulating a keyboard
US4490055A (en) *	1982-06-30	1984-12-25	International Business Machines Corporation	Automatically adjustable delay function for timed typamatic
JPS5949633A (ja) *	1982-09-14	1984-03-22	Toshiba Corp	リピ−ト制御方式
JPH07109572B2 (ja) *	1984-02-29	1995-11-22	東京プレス工業株式会社	キャパシティブキ−ボ−ド
JP2913758B2 (ja) *	1990-04-27	1999-06-28	ブラザー工業株式会社	文書処理装置
JPH0769767B2 (ja) *	1991-10-16	1995-07-31	インターナショナル・ビジネス・マシーンズ・コーポレイション	フィンガ・タッチまたはスタイラスの位置を検出するためのタッチ・オーバーレイ、および検出システム
US9285988B2 (en)	2010-04-20	2016-03-15	Blackberry Limited	Portable electronic device having touch-sensitive display with variable repeat rate
US10601457B2 (en)	2010-07-27	2020-03-24	Comcast Cable Communications, Llc	Configuring remote control behavior to limit a maximum amount of transmissions for continuous press of a button
CN103095308B (zh) *	2012-12-31	2015-07-29	杭州士兰微电子股份有限公司	I/o接口电路及包含该电路的按键扫描装置及扫描方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3792466A (en) *	1972-05-31	1974-02-12	Mos Technology Inc	Keyboard entry system with n-key rollover and n-key lockout protection
US3978474A (en) *	1975-07-15	1976-08-31	Illinois Tool Works Inc.	Keyboard with n-key lockout and two-key rollover protection
US4106011A (en) *	1975-10-24	1978-08-08	Tektronix, Inc.	Keyboard circuit
FR2329016A1 (fr) *	1975-10-24	1977-05-20	Tektronix Inc	Clavier electronique
US4024534A (en) *	1975-11-24	1977-05-17	Xerox Corporation	Keyboard encoding with repeat key pause
FR2332655A1 (fr) *	1975-11-24	1977-06-17	Xerox Corp	Clavier de codage anti-rebonds muni de touches de repetition
US4017850A (en) *	1976-02-02	1977-04-12	Illinois Tool Works Inc.	Magnetic keyswitch with two-piece support assembly

1979
- 1979-08-24 US US06/069,473 patent/US4263582A/en not_active Expired - Lifetime
1980
- 1980-07-24 CA CA000356956A patent/CA1160316A/en not_active Expired
- 1980-08-05 NO NO802339A patent/NO802339L/no unknown
- 1980-08-05 GB GB8025516A patent/GB2057171A/en not_active Withdrawn
- 1980-08-20 BR BR8005252A patent/BR8005252A/pt unknown
- 1980-08-21 DE DE19803031542 patent/DE3031542A1/de not_active Ceased
- 1980-08-21 IT IT24242/80A patent/IT1132449B/it active
- 1980-08-22 BE BE2/58710A patent/BE884874A/nl not_active IP Right Cessation
- 1980-08-22 FR FR8018406A patent/FR2463956A1/fr active Pending
- 1980-08-25 JP JP11604380A patent/JPS5633728A/ja active Pending

Also Published As

Publication number	Publication date
JPS5633728A (en)	1981-04-04
IT1132449B (it)	1986-07-02
US4263582A (en)	1981-04-21
DE3031542A1 (de)	1981-03-12
BR8005252A (pt)	1981-03-04
CA1160316A (en)	1984-01-10
BE884874A (nl)	1981-02-23
GB2057171A (en)	1981-03-25
FR2463956A1 (fr)	1981-02-27
IT8024242A0 (it)	1980-08-21

Publication	Publication Date	Title
NO802339L (no)	1981-02-25	Elektrisk tastatur.
US3066601A (en)	1962-12-04	Error checking devices
US4906993A (en)	1990-03-06	Keyboard scanner apparatus and method
JPH07109572B2 (ja)	1995-11-22	キャパシティブキ−ボ−ド
US3662378A (en)	1972-05-09	Electronic keyboard input circuit
US4004103A (en)	1977-01-18	Path-finding scheme for a multistage switching network
JPS6232511B2 (it)	1987-07-15
US3781874A (en)	1973-12-25	Keyboard entry system
US3978474A (en)	1976-08-31	Keyboard with n-key lockout and two-key rollover protection
US5210538A (en)	1993-05-11	Glitch detection circuit and method
US4755969A (en)	1988-07-05	Pseudo random sequence generation
US3633178A (en)	1972-01-04	Test message generator for use with communication and computer printing and punching equipment
US4241333A (en)	1980-12-23	Key-operated arrangement for producing code characters
US3335406A (en)	1967-08-08	Code selectors for selective calling systems
US2894067A (en)	1959-07-07	Code translator
US3354450A (en)	1967-11-21	Data translation apparatus
US3056108A (en)	1962-09-25	Error check circuit
US3634829A (en)	1972-01-11	Resolution of address information in a content addressable memory
US3541307A (en)	1970-11-17	Selection circuit
US3444522A (en)	1969-05-13	Error correcting decoder
US4086588A (en)	1978-04-25	Signal generator
US4437094A (en)	1984-03-13	System for controlling indicators for switches
US3987437A (en)	1976-10-19	Key switch signal multiplexer circuit
US3274555A (en)	1966-09-20	Digital data transfer circuit utilizing tunnel diodes
US3876982A (en)	1975-04-08	Code programming device