IT950268B - Tastiera a n tasti del tipo a batti tura rapida particolarmente per ela boratori di dati - Google Patents

Tastiera a n tasti del tipo a batti tura rapida particolarmente per ela boratori di dati

Info

Publication number: IT950268B
Authority: IT; Italy
Prior art keywords: keypad; rapid; data processors; keys type; keys
Prior art date: 1971-05-19

Application number

IT2194172A

Other languages

English (en)

Italian (it)

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.)

1971-05-19

Filing date

1972-03-16

Publication date

1973-06-20

1972-03-16 Application filed by Illinois Tool Works filed Critical Illinois Tool Works

1973-06-20 Application granted granted Critical

1973-06-20 Publication of IT950268B publication Critical patent/IT950268B/it

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
- H04L13/16—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of transmitters, e.g. code-bars, code-discs
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/80—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using non-linear magnetic devices; using non-linear dielectric devices
- H03K17/81—Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
- H03K17/972—Switches controlled by moving an element forming part of the switch using a magnetic movable element having a plurality of control members, e.g. keyboard
- 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)
Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Input From Keyboards Or The Like (AREA)

IT2194172A 1971-05-19 1972-03-16 Tastiera a n tasti del tipo a batti tura rapida particolarmente per ela boratori di dati IT950268B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US14490271A	1971-05-19	1971-05-19

Publications (1)

Publication Number	Publication Date
IT950268B true IT950268B (it)	1973-06-20

Family

ID=22510654

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT2194172A IT950268B (it)	1971-05-19	1972-03-16	Tastiera a n tasti del tipo a batti tura rapida particolarmente per ela boratori di dati

Country Status (11)

Country	Link
JP (1)	JPS5329970B1 (xx)
BR (1)	BR7202800D0 (xx)
CA (1)	CA937875A (xx)
CH (1)	CH567762A5 (xx)
DE (1)	DE2219288B2 (xx)
FR (1)	FR2139237A5 (xx)
GB (1)	GB1380282A (xx)
HK (1)	HK5478A (xx)
IT (1)	IT950268B (xx)
NL (1)	NL152996B (xx)
SE (1)	SE375392B (xx)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3003139A (en) *	1955-04-29	1961-10-03	Gen Electronic Lab Inc	Electrical information storage system
US3193809A (en) *	1961-05-03	1965-07-06	Sylvania Electric Prod	Memory noise cancellation
US3675239A (en) *	1970-09-14	1972-07-04	Ncr Co	Unlimited roll keyboard circuit

1972
- 1972-01-25 CA CA133161A patent/CA937875A/en not_active Expired
- 1972-02-22 JP JP1775172A patent/JPS5329970B1/ja active Pending
- 1972-03-16 IT IT2194172A patent/IT950268B/it active
- 1972-03-24 SE SE381872A patent/SE375392B/xx unknown
- 1972-03-29 CH CH468172A patent/CH567762A5/xx not_active IP Right Cessation
- 1972-03-30 FR FR7211268A patent/FR2139237A5/fr not_active Expired
- 1972-04-14 NL NL7205053A patent/NL152996B/xx not_active IP Right Cessation
- 1972-04-20 DE DE19722219288 patent/DE2219288B2/de not_active Ceased
- 1972-05-05 BR BR280072A patent/BR7202800D0/pt unknown
- 1972-05-17 GB GB2325172A patent/GB1380282A/en not_active Expired
1978
- 1978-01-26 HK HK5478A patent/HK5478A/xx unknown

Also Published As

Publication number	Publication date
CA937875A (en)	1973-12-04
SE375392B (xx)	1975-04-14
DE2219288A1 (de)	1972-11-30
JPS5329970B1 (xx)	1978-08-24
HK5478A (en)	1978-02-03
BR7202800D0 (pt)	1973-06-12
NL152996B (nl)	1977-04-15
GB1380282A (en)	1975-01-08
DE2219288B2 (de)	1975-09-04
FR2139237A5 (xx)	1973-01-05
CH567762A5 (xx)	1975-10-15
NL7205053A (xx)	1972-11-21

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