JPS5291179A - Towwstep depression type electromagnetic switch - Google Patents

Towwstep depression type electromagnetic switch

Info

Publication number: JPS5291179A
Authority: JP; Japan
Prior art keywords: towwstep; electromagnetic switch; type electromagnetic; depression type; depression
Prior art date: 1976-01-26
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

JP14623876A

Other languages

English (en)

Inventor

Aren Engusutoromu Kiisu

Kurisuten Matsudorando Robaato

Maikuru Jiirinsukii Robaato

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Illinois Tool Works Inc

Original Assignee

Illinois Tool Works Inc

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.)

1976-01-26

Filing date

1976-12-07

Publication date

1977-08-01

1976-12-07 Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc

1977-08-01 Publication of JPS5291179A publication Critical patent/JPS5291179A/ja

Status Pending legal-status Critical Current

Links

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
- 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
- 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
- H03K2017/9706—Inductive element

Landscapes

Push-Button Switches (AREA)
Input From Keyboards Or The Like (AREA)

JP14623876A 1976-01-26 1976-12-07 Towwstep depression type electromagnetic switch Pending JPS5291179A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/652,450 US4028696A (en)	1976-01-26	1976-01-26	Double depression magnetic keyswitch

Publications (1)

Publication Number	Publication Date
JPS5291179A true JPS5291179A (en)	1977-08-01

Family

ID=24616877

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP14623876A Pending JPS5291179A (en)	1976-01-26	1976-12-07	Towwstep depression type electromagnetic switch

Country Status (9)

Country	Link
US (1)	US4028696A (ja)
JP (1)	JPS5291179A (ja)
AU (1)	AU2007276A (ja)
BR (1)	BR7608529A (ja)
DE (1)	DE2659271A1 (ja)
FR (1)	FR2339296A2 (ja)
GB (1)	GB1527170A (ja)
IT (1)	IT1076302B (ja)
NL (1)	NL7613269A (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4227163A (en) *	1979-03-05	1980-10-07	Illinois Tool Works Inc.	Electrical keyswitch
DE3127053C2 (de) *	1981-07-09	1983-07-21	Vacuumschmelze Gmbh, 6450 Hanau	Sensortaste zur kontaktlosen Erzeugung eines elektrischen Signals bei Tastendruck
JPS58169825A (ja) *	1982-03-31	1983-10-06	日本メクトロン株式会社	パネルキ−ボ−ド
US5220318A (en) *	1988-12-22	1993-06-15	Ampex Corporation	Apparatus for selectively varying keyboard switching force
US20160064172A1 (en) *	2014-09-02	2016-03-03	Delta Systems, Inc.	Plunger switch assembly and method of operation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3407396A (en) *	1964-12-30	1968-10-22	Honeywell Inc	Data processing apparatus employing permanent magnet inhibiting means
US3698531A (en) *	1970-10-26	1972-10-17	Illinois Tool Works	Solid state switch
US3825909A (en) *	1973-02-02	1974-07-23	Illinois Tool Works	Solid state switch structure
CA985414A (en) *	1973-03-21	1976-03-09	Illinois Tool Works Inc.	Magnetic key slide switch construction
US3911429A (en) *	1974-04-08	1975-10-07	Ibm	Self-energized magnetic keys

1976
- 1976-01-26 US US05/652,450 patent/US4028696A/en not_active Expired - Lifetime
- 1976-11-29 NL NL7613269A patent/NL7613269A/xx not_active Application Discontinuation
- 1976-11-29 AU AU20072/76A patent/AU2007276A/en not_active Expired
- 1976-12-07 JP JP14623876A patent/JPS5291179A/ja active Pending
- 1976-12-10 GB GB51579/76A patent/GB1527170A/en not_active Expired
- 1976-12-14 FR FR7637683A patent/FR2339296A2/fr active Pending
- 1976-12-20 BR BR7608529A patent/BR7608529A/pt unknown
- 1976-12-29 DE DE19762659271 patent/DE2659271A1/de active Pending
1977
- 1977-01-25 IT IT19605/77A patent/IT1076302B/it active

Also Published As

Publication number	Publication date
DE2659271A1 (de)	1977-07-28
BR7608529A (pt)	1977-12-20
GB1527170A (en)	1978-10-04
IT1076302B (it)	1985-04-27
US4028696A (en)	1977-06-07
FR2339296A2 (fr)	1977-08-19
NL7613269A (nl)	1977-07-28
AU2007276A (en)	1978-06-08

Publication	Publication Date	Title
JPS5297171A (en)	1977-08-15	Magnetic switch
JPS52101483A (en)	1977-08-25	Switch
JPS52140876A (en)	1977-11-24	Electromagnetic switch
JPS52101480A (en)	1977-08-25	Electromagnetic contactor
JPS5335974A (en)	1978-04-03	Small switch
JPS5291179A (en)	1977-08-01	Towwstep depression type electromagnetic switch
JPS52139969A (en)	1977-11-22	Electromagnetic switch
JPS5350476A (en)	1978-05-08	Proximity switch
JPS52118280A (en)	1977-10-04	Limit switch
GB1554679A (en)	1979-10-24	Electromagnetic stepping switch
JPS5329577A (en)	1978-03-18	Small switch
JPS5328278A (en)	1978-03-16	Small switch
JPS52100185A (en)	1977-08-22	Limit switch
JPS52102577A (en)	1977-08-27	Electromagnetic contactor
JPS5316877A (en)	1978-02-16	Small switch
CH613807A5 (en)	1979-10-15	Electromagnetic switching contactor
JPS5376377A (en)	1978-07-06	Limit switch
JPS52137676A (en)	1977-11-17	Electromagnetic switch
JPS52104746A (en)	1977-09-02	Electromagnetic switch
JPS5384182A (en)	1978-07-25	Electromagnetic switch
JPS5376376A (en)	1978-07-06	Electromagnetic switch
JPS52121782A (en)	1977-10-13	Proximity switch
JPS5343878A (en)	1978-04-20	Proximity switch
JPS5335968A (en)	1978-04-03	Electromagnetic contactor
JPS5383087A (en)	1978-07-22	Pushhbutton type switch