IT970930B - SOLID STATE SWITCH ESPECIALLY FOR KEYPADS OF DATA PROCESSING EQUIPMENT - Google Patents

SOLID STATE SWITCH ESPECIALLY FOR KEYPADS OF DATA PROCESSING EQUIPMENT

Info

Publication number: IT970930B
Authority: IT; Italy
Prior art keywords: keypads; data processing; solid state; processing equipment; state switch
Prior art date: 1971-11-18

Application number

IT31732/72A

Other languages

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.)

1971-11-18

Filing date

1972-11-16

Publication date

1974-04-20

1972-11-16 Application filed by Illinois Tool Works filed Critical Illinois Tool Works

1974-04-20 Application granted granted Critical

1974-04-20 Publication of IT970930B publication Critical patent/IT970930B/en

Links

239000007787 solid Substances 0.000 title 1

Classifications

- 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

IT31732/72A 1971-11-18 1972-11-16 SOLID STATE SWITCH ESPECIALLY FOR KEYPADS OF DATA PROCESSING EQUIPMENT IT970930B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US19987271A	1971-11-18	1971-11-18

Publications (1)

Publication Number	Publication Date
IT970930B true IT970930B (en)	1974-04-20

Family

ID=22739364

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT31732/72A IT970930B (en)	1971-11-18	1972-11-16	SOLID STATE SWITCH ESPECIALLY FOR KEYPADS OF DATA PROCESSING EQUIPMENT

Country Status (10)

Country	Link
US (1)	US3714611A (en)
JP (1)	JPS4863637A (en)
AU (1)	AU455620B2 (en)
CA (1)	CA984051A (en)
CH (1)	CH549835A (en)
DE (1)	DE2251676A1 (en)
FR (1)	FR2160515B2 (en)
GB (1)	GB1346128A (en)
IT (1)	IT970930B (en)
NL (1)	NL7214592A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4099176A (en) *	1974-05-30	1978-07-04	Illinois Tool Works Inc.	Magnetic key switch having a removable support assembly
US4017850A (en) *	1976-02-02	1977-04-12	Illinois Tool Works Inc.	Magnetic keyswitch with two-piece support assembly
US4334204A (en) *	1980-06-30	1982-06-08	The Boeing Company	Proximity switch assembly
US4379973A (en) *	1981-05-20	1983-04-12	C & K Components, Inc.	Universal logic switch
DE3300797A1 (en) *	1983-01-12	1984-07-12	E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen	FASTENING DEVICE FOR A CONTROL DEVICE
DE3678620D1 (en) *	1985-06-15	1991-05-16	Ego Elektro Blanc & Fischer	FASTENING DEVICE FOR HOLDING FUNCTIONAL DEVICES OR THE LIKE

1971
- 1971-11-18 US US00199872A patent/US3714611A/en not_active Expired - Lifetime
1972
- 1972-09-29 CA CA152,927A patent/CA984051A/en not_active Expired
- 1972-10-17 AU AU47843/72A patent/AU455620B2/en not_active Expired
- 1972-10-21 DE DE2251676A patent/DE2251676A1/en active Pending
- 1972-10-27 NL NL7214592A patent/NL7214592A/xx unknown
- 1972-11-01 GB GB5034772A patent/GB1346128A/en not_active Expired
- 1972-11-15 FR FR7240603A patent/FR2160515B2/fr not_active Expired
- 1972-11-16 IT IT31732/72A patent/IT970930B/en active
- 1972-11-17 JP JP47114857A patent/JPS4863637A/ja active Pending
- 1972-11-17 CH CH1680172A patent/CH549835A/en unknown

Also Published As

Publication number	Publication date
FR2160515B2 (en)	1979-02-02
FR2160515A2 (en)	1973-06-29
AU455620B2 (en)	1974-11-21
DE2251676A1 (en)	1973-05-24
NL7214592A (en)	1973-05-22
JPS4863637A (en)	1973-09-04
AU4784372A (en)	1974-04-26
US3714611A (en)	1973-01-30
CA984051A (en)	1976-02-17
CH549835A (en)	1974-05-31
GB1346128A (en)	1974-02-06

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