CH578243A5 - - Google Patents
Info
- Publication number
- CH578243A5 CH578243A5 CH1559374A CH1559374A CH578243A5 CH 578243 A5 CH578243 A5 CH 578243A5 CH 1559374 A CH1559374 A CH 1559374A CH 1559374 A CH1559374 A CH 1559374A CH 578243 A5 CH578243 A5 CH 578243A5
- Authority
- CH
- Switzerland
- Prior art keywords
- contact
- plate
- magnetic
- spring members
- attached
- 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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J5/00—Devices or arrangements for controlling character selection
- B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
- G06C7/00—Input mechanisms
- G06C7/02—Keyboards
-
- 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
- H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
- H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
-
- 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
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/02—Energy stored by the attraction or repulsion of magnetic parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/028—Tactile feedback alterable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/034—Separate snap action
- H01H2215/042—Permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US368980A US3879602A (en) | 1973-06-11 | 1973-06-11 | Keyboard |
GB4940174A GB1469800A (en) | 1973-06-11 | 1974-11-14 | Electric switch keyboard |
CH1559374A CH578243A5 (pl) | 1973-06-11 | 1974-11-22 | |
NL747415261A NL153690B (nl) | 1973-06-11 | 1974-11-22 | Elektrisch toetsenbord. |
FR7440997A FR2294484A1 (fr) | 1973-06-11 | 1974-12-12 | Clavier d'introduction de donnees |
BE151533A BE823387A (fr) | 1973-06-11 | 1974-12-16 | Clavier d'introduction de donnees |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US368980A US3879602A (en) | 1973-06-11 | 1973-06-11 | Keyboard |
GB4940174A GB1469800A (en) | 1973-06-11 | 1974-11-14 | Electric switch keyboard |
CH1559374A CH578243A5 (pl) | 1973-06-11 | 1974-11-22 | |
NL747415261A NL153690B (nl) | 1973-06-11 | 1974-11-22 | Elektrisch toetsenbord. |
FR7440997A FR2294484A1 (fr) | 1973-06-11 | 1974-12-12 | Clavier d'introduction de donnees |
BE151533A BE823387A (fr) | 1973-06-11 | 1974-12-16 | Clavier d'introduction de donnees |
Publications (1)
Publication Number | Publication Date |
---|---|
CH578243A5 true CH578243A5 (pl) | 1976-07-30 |
Family
ID=27543013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1559374A CH578243A5 (pl) | 1973-06-11 | 1974-11-22 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3879602A (pl) |
BE (1) | BE823387A (pl) |
CH (1) | CH578243A5 (pl) |
FR (1) | FR2294484A1 (pl) |
GB (1) | GB1469800A (pl) |
NL (1) | NL153690B (pl) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4060163A (en) * | 1976-02-12 | 1977-11-29 | Willingham James S | Keyboard Guard |
US4203013A (en) * | 1976-10-26 | 1980-05-13 | Serras Paulet Edouard | Alphanumeric control keyboard with depressible keys for electric or electronic machines |
FR2443130A1 (fr) * | 1978-11-29 | 1980-06-27 | Serras Paulet Edouard | Clavier de commande de dispositifs electriques ou electroniques |
FR2484130A1 (fr) * | 1980-06-06 | 1981-12-11 | Serras Paulet Edouard | Dispositif a touche enfoncable formant interrupteur a ouverture retardee |
FR2529010B1 (fr) * | 1982-06-22 | 1985-11-15 | Serras Paulet Edouard | Clavier a touches enfoncables |
US4496803A (en) * | 1983-05-04 | 1985-01-29 | Key Concepts, Incorporated | Data entry switch |
US4509873A (en) * | 1983-05-05 | 1985-04-09 | Ryan W Kenneth | Alphanumeric section of office machine keyboards |
US4818828A (en) * | 1988-06-17 | 1989-04-04 | Smith Corona Corporation | Electronic keyboard |
US4855548A (en) * | 1988-06-17 | 1989-08-08 | Smith Corona Corporation | Keybutton guide assembly for a keyboard |
US5666096A (en) * | 1995-06-02 | 1997-09-09 | Van Zeeland; Anthony J. | Switch with magnetically-coupled armature |
US5867082A (en) * | 1995-06-02 | 1999-02-02 | Duraswitch, Inc. | Switch with magnetically-coupled armature |
US5523730C1 (en) * | 1995-06-02 | 2002-01-15 | Van Anthony J Zeeland | Switch with mangnetically-coupled armature |
US7385530B2 (en) | 2005-05-16 | 2008-06-10 | Research In Motion Limited | Key system for a communication device |
ATE408887T1 (de) * | 2005-05-16 | 2008-10-15 | Research In Motion Ltd | Tastensystem für ein kommunikationsgerät |
ITMO20060118A1 (it) * | 2006-04-07 | 2007-10-08 | Grafos Srl | Tastiera a corsa lunga,particolarmente del tipo di tastiere da pannello o simili |
CN103218937B (zh) * | 2013-03-11 | 2015-06-17 | 冯旭山 | 一种计算、示数演示器 |
JP5913772B2 (ja) * | 2013-11-14 | 2016-04-27 | レノボ・シンガポール・プライベート・リミテッド | キーの操作感の変更が可能なマグネット式の入力装置および携帯式コンピュータ |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2802204A (en) * | 1954-05-10 | 1957-08-06 | Francis X Kennelly | Acceleration operated switch |
US2981816A (en) * | 1957-07-25 | 1961-04-25 | Robert T Cozart | Push button assembly |
US3175060A (en) * | 1961-08-22 | 1965-03-23 | North Electric Co | Plunger operated magnetic electric switch |
CH455000A (de) * | 1965-02-02 | 1968-04-30 | Ehrenberg Hermann | Schnappschalter mit magnetisch umschaltbarem Kontaktglied und einstellbarem Schaltpunkt |
DE1665733B1 (de) * | 1966-09-02 | 1970-07-09 | Siemens Ag | Tastenschalter,insbesondere fuer Fernmeldegeraete |
US3693123A (en) * | 1970-11-04 | 1972-09-19 | Singer Co | Keyboard having magnetic latching and improved operator touch |
-
1973
- 1973-06-11 US US368980A patent/US3879602A/en not_active Expired - Lifetime
-
1974
- 1974-11-14 GB GB4940174A patent/GB1469800A/en not_active Expired
- 1974-11-22 NL NL747415261A patent/NL153690B/xx unknown
- 1974-11-22 CH CH1559374A patent/CH578243A5/de not_active IP Right Cessation
- 1974-12-12 FR FR7440997A patent/FR2294484A1/fr active Granted
- 1974-12-16 BE BE151533A patent/BE823387A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3879602A (en) | 1975-04-22 |
NL153690B (nl) | 1977-06-15 |
GB1469800A (en) | 1977-04-06 |
NL7415261A (nl) | 1976-05-25 |
FR2294484A1 (fr) | 1976-07-09 |
FR2294484B1 (pl) | 1979-02-23 |
BE823387A (fr) | 1975-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |