IE40116B1 - Key actuated electric switches and keyboards for use in communication devices - Google Patents
Key actuated electric switches and keyboards for use in communication devicesInfo
- Publication number
- IE40116B1 IE40116B1 IE233474A IE233474A IE40116B1 IE 40116 B1 IE40116 B1 IE 40116B1 IE 233474 A IE233474 A IE 233474A IE 233474 A IE233474 A IE 233474A IE 40116 B1 IE40116 B1 IE 40116B1
- Authority
- IE
- Ireland
- Prior art keywords
- keyboards
- communication devices
- electric switches
- key actuated
- actuated electric
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732357887 DE2357887C3 (en) | 1973-11-17 | Keys and keypad for telecommunications, in particular telephone systems |
Publications (2)
Publication Number | Publication Date |
---|---|
IE40116L IE40116L (en) | 1975-05-17 |
IE40116B1 true IE40116B1 (en) | 1979-03-14 |
Family
ID=5898601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE233474A IE40116B1 (en) | 1973-11-17 | 1974-11-13 | Key actuated electric switches and keyboards for use in communication devices |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE818661A (en) |
FR (1) | FR2251901A1 (en) |
GB (1) | GB1462447A (en) |
IE (1) | IE40116B1 (en) |
IT (1) | IT1025577B (en) |
LU (1) | LU70751A1 (en) |
NL (1) | NL7411257A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3135655A1 (en) * | 1981-09-09 | 1983-03-24 | Rafi Gmbh & Co Elektrotechnische Spezialfabrik, 7981 Berg | "PUSH BUTTON FOR ELECTRICAL DEVICES" |
JPS58214231A (en) * | 1982-05-24 | 1983-12-13 | イリノイ・ツ−ル・ワ−クス・インコ−ポレイテツド | Liquid resistant electric switch |
DE19954098C1 (en) * | 1999-11-10 | 2001-02-01 | Siemens Ag | Pushbutton with changeover contact function |
-
1974
- 1974-08-09 BE BE147441A patent/BE818661A/en unknown
- 1974-08-19 LU LU70751A patent/LU70751A1/xx unknown
- 1974-08-23 NL NL7411257A patent/NL7411257A/en unknown
- 1974-11-11 IT IT2928474A patent/IT1025577B/en active
- 1974-11-13 IE IE233474A patent/IE40116B1/en unknown
- 1974-11-13 GB GB4918574A patent/GB1462447A/en not_active Expired
- 1974-11-14 FR FR7437560A patent/FR2251901A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
IE40116L (en) | 1975-05-17 |
NL7411257A (en) | 1975-05-21 |
LU70751A1 (en) | 1975-01-02 |
FR2251901A1 (en) | 1975-06-13 |
GB1462447A (en) | 1977-01-26 |
BE818661A (en) | 1974-12-02 |
DE2357887B2 (en) | 1976-12-09 |
IT1025577B (en) | 1978-08-30 |
DE2357887A1 (en) | 1975-05-28 |
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