IT1130267B - Interruttore a tasto - Google Patents
Interruttore a tastoInfo
- Publication number
- IT1130267B IT1130267B IT20332/80A IT2033280A IT1130267B IT 1130267 B IT1130267 B IT 1130267B IT 20332/80 A IT20332/80 A IT 20332/80A IT 2033280 A IT2033280 A IT 2033280A IT 1130267 B IT1130267 B IT 1130267B
- Authority
- IT
- Italy
- Prior art keywords
- key switch
- key
- switch
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/017,875 US4227163A (en) | 1979-03-05 | 1979-03-05 | Electrical keyswitch |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8020332A0 IT8020332A0 (it) | 1980-03-04 |
IT1130267B true IT1130267B (it) | 1986-06-11 |
Family
ID=21785023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20332/80A IT1130267B (it) | 1979-03-05 | 1980-03-04 | Interruttore a tasto |
Country Status (11)
Country | Link |
---|---|
US (1) | US4227163A (it) |
JP (1) | JPS55130019A (it) |
AR (1) | AR220820A1 (it) |
AU (1) | AU537913B2 (it) |
BR (1) | BR8001279A (it) |
CA (1) | CA1126834A (it) |
DE (1) | DE3008088A1 (it) |
FR (1) | FR2451132A1 (it) |
GB (1) | GB2047035B (it) |
IT (1) | IT1130267B (it) |
MX (1) | MX147397A (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7906931A (nl) * | 1979-09-18 | 1981-03-20 | Philips Nv | Druktoetsschakelaar. |
JPS6136020Y2 (it) * | 1980-06-09 | 1986-10-20 | ||
DE3373990D1 (en) * | 1982-04-15 | 1987-11-12 | Standard Telephon & Radio Ag | Key element |
US4450332A (en) * | 1982-08-25 | 1984-05-22 | General Instrument Corporation | Keyswitch design |
DE8906891U1 (de) * | 1989-06-05 | 1990-07-19 | Cherry-Mikroschalter Gmbh, 8572 Auerbach | Tastenelement mit Dämpfungsfedern |
US4988965A (en) * | 1990-03-26 | 1991-01-29 | The Chamberlain Group, Inc. | Reed switch holder assembly |
US5406277A (en) * | 1993-04-12 | 1995-04-11 | Lee; Tony | Structure of the keypad for keyboard |
US7011341B2 (en) * | 2003-06-27 | 2006-03-14 | Trw Vehicle Safety Systems Inc. | Four-point vehicle occupant restraint system with linked lap belt retractors |
CA2569057C (en) | 2004-06-02 | 2013-05-14 | Golden Triangle Enterprises Pty Ltd. | Gas recovery of sulphur hexafluoride |
US20110142522A1 (en) * | 2009-12-11 | 2011-06-16 | Bert Yeh | Typing to generate electricity |
BR112017003802A2 (pt) * | 2014-08-29 | 2018-11-06 | Automatic Bar Controls Inc | aparelho de dispensação de bebidas, pistola de bar, e, método para sensorear a dispensação de uma bebida. |
CN110098078B (zh) * | 2018-11-20 | 2024-05-03 | 东莞璟阳电子科技有限公司 | 一种可变力按键 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3638221A (en) * | 1969-11-24 | 1972-01-25 | Illinois Tool Works | Solid-state keyboard |
SE394913B (sv) * | 1973-08-15 | 1977-07-18 | Illinois Tool Works | Tangentbordsstromstellare |
US4099176A (en) * | 1974-05-30 | 1978-07-04 | Illinois Tool Works Inc. | Magnetic key switch having a removable support assembly |
US3902032A (en) * | 1974-06-07 | 1975-08-26 | Illinois Tool Works | Electrical switch with improved contact structure |
US3978474A (en) * | 1975-07-15 | 1976-08-31 | Illinois Tool Works Inc. | Keyboard with n-key lockout and two-key rollover protection |
US4028696A (en) * | 1976-01-26 | 1977-06-07 | Illinois Tool Works Inc. | Double depression magnetic keyswitch |
US4017850A (en) * | 1976-02-02 | 1977-04-12 | Illinois Tool Works Inc. | Magnetic keyswitch with two-piece support assembly |
-
1979
- 1979-03-05 US US06/017,875 patent/US4227163A/en not_active Expired - Lifetime
-
1980
- 1980-03-03 AU AU56088/80A patent/AU537913B2/en not_active Ceased
- 1980-03-03 DE DE19803008088 patent/DE3008088A1/de active Granted
- 1980-03-03 MX MX181402A patent/MX147397A/es unknown
- 1980-03-04 BR BR8001279A patent/BR8001279A/pt not_active IP Right Cessation
- 1980-03-04 FR FR8004824A patent/FR2451132A1/fr active Granted
- 1980-03-04 GB GB8007281A patent/GB2047035B/en not_active Expired
- 1980-03-04 IT IT20332/80A patent/IT1130267B/it active
- 1980-03-05 AR AR280193A patent/AR220820A1/es active
- 1980-03-05 CA CA347,033A patent/CA1126834A/en not_active Expired
- 1980-03-05 JP JP2677380A patent/JPS55130019A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE3008088C2 (it) | 1989-06-08 |
GB2047035B (en) | 1983-02-02 |
MX147397A (es) | 1982-11-29 |
GB2047035A (en) | 1980-11-19 |
BR8001279A (pt) | 1981-09-15 |
DE3008088A1 (de) | 1980-09-18 |
CA1126834A (en) | 1982-06-29 |
JPS55130019A (en) | 1980-10-08 |
IT8020332A0 (it) | 1980-03-04 |
FR2451132B1 (it) | 1984-06-29 |
US4227163A (en) | 1980-10-07 |
AU5608880A (en) | 1980-09-11 |
AU537913B2 (en) | 1984-07-19 |
AR220820A1 (es) | 1980-11-28 |
FR2451132A1 (fr) | 1980-10-03 |
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