BE818661A - Touches et clavier pour des installations de telecommunication - Google Patents
Touches et clavier pour des installations de telecommunicationInfo
- Publication number
- BE818661A BE818661A BE147441A BE147441A BE818661A BE 818661 A BE818661 A BE 818661A BE 147441 A BE147441 A BE 147441A BE 147441 A BE147441 A BE 147441A BE 818661 A BE818661 A BE 818661A
- Authority
- BE
- Belgium
- Prior art keywords
- keypad
- keys
- telecommunication systems
- telecommunication
- systems
- 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 (de) | 1973-11-17 | Tasten und Tastenfeld fur Fernmelde-, insbesondere Fernsprechanlagen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE818661A true BE818661A (fr) | 1974-12-02 |
Family
ID=5898601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE147441A BE818661A (fr) | 1973-11-17 | 1974-08-09 | Touches et clavier pour des installations de telecommunication |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE818661A (fr) |
FR (1) | FR2251901A1 (fr) |
GB (1) | GB1462447A (fr) |
IE (1) | IE40116B1 (fr) |
IT (1) | IT1025577B (fr) |
LU (1) | LU70751A1 (fr) |
NL (1) | NL7411257A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3135655A1 (de) * | 1981-09-09 | 1983-03-24 | Rafi Gmbh & Co Elektrotechnische Spezialfabrik, 7981 Berg | "drucktaster fuer elektrische geraete" |
GB2120853A (en) * | 1982-05-24 | 1983-12-07 | Illinois Tool Works | Liquid contaminant resistant electric switches |
DE19954098C1 (de) * | 1999-11-10 | 2001-02-01 | Siemens Ag | Drucktaster mit Wechslerfunktion |
-
1974
- 1974-08-09 BE BE147441A patent/BE818661A/fr unknown
- 1974-08-19 LU LU70751A patent/LU70751A1/xx unknown
- 1974-08-23 NL NL7411257A patent/NL7411257A/xx unknown
- 1974-11-11 IT IT2928474A patent/IT1025577B/it active
- 1974-11-13 IE IE233474A patent/IE40116B1/xx 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 |
---|---|
FR2251901A1 (fr) | 1975-06-13 |
DE2357887B2 (de) | 1976-12-09 |
LU70751A1 (fr) | 1975-01-02 |
IE40116B1 (en) | 1979-03-14 |
IT1025577B (it) | 1978-08-30 |
NL7411257A (nl) | 1975-05-21 |
DE2357887A1 (de) | 1975-05-28 |
IE40116L (en) | 1975-05-17 |
GB1462447A (en) | 1977-01-26 |
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