CH549835A - KEYPAD KEY SWITCH. - Google Patents
KEYPAD KEY SWITCH.Info
- Publication number
- CH549835A CH549835A CH1680172A CH1680172A CH549835A CH 549835 A CH549835 A CH 549835A CH 1680172 A CH1680172 A CH 1680172A CH 1680172 A CH1680172 A CH 1680172A CH 549835 A CH549835 A CH 549835A
- Authority
- CH
- Switzerland
- Prior art keywords
- key switch
- keypad key
- keypad
- switch
- key
- 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
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19987271A | 1971-11-18 | 1971-11-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH549835A true CH549835A (en) | 1974-05-31 |
Family
ID=22739364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1680172A CH549835A (en) | 1971-11-18 | 1972-11-17 | KEYPAD KEY SWITCH. |
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)
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 |
---|---|
NL7214592A (en) | 1973-05-22 |
FR2160515B2 (en) | 1979-02-02 |
FR2160515A2 (en) | 1973-06-29 |
JPS4863637A (en) | 1973-09-04 |
CA984051A (en) | 1976-02-17 |
AU455620B2 (en) | 1974-11-21 |
AU4784372A (en) | 1974-04-26 |
US3714611A (en) | 1973-01-30 |
GB1346128A (en) | 1974-02-06 |
IT970930B (en) | 1974-04-20 |
DE2251676A1 (en) | 1973-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLZ | Patent of addition ceased |