NL7806767A - ALPHANUMERIC KEYBOARD FOR AN ELECTRICAL OR ELECTRONIC MACHINE. - Google Patents
ALPHANUMERIC KEYBOARD FOR AN ELECTRICAL OR ELECTRONIC MACHINE.Info
- Publication number
- NL7806767A NL7806767A NL7806767A NL7806767A NL7806767A NL 7806767 A NL7806767 A NL 7806767A NL 7806767 A NL7806767 A NL 7806767A NL 7806767 A NL7806767 A NL 7806767A NL 7806767 A NL7806767 A NL 7806767A
- Authority
- NL
- Netherlands
- Prior art keywords
- electrical
- electronic machine
- alphanumeric keyboard
- alphanumeric
- keyboard
- 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
- H01H13/7006—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 comprising a separate movable contact element for each switch site, all other elements being integrated in layers
-
- 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
- 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
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7719170A FR2395546A2 (en) | 1977-06-22 | 1977-06-22 | ALPHANUMERIC KEYPAD WITH PRESSURE KEYS FOR ELECTRICAL OR ELECTRONIC MACHINE |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7806767A true NL7806767A (en) | 1978-12-28 |
NL179012B NL179012B (en) | 1986-01-16 |
NL179012C NL179012C (en) | 1986-06-16 |
Family
ID=9192424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7806767,A NL179012C (en) | 1977-06-22 | 1978-06-22 | KEYBOARD. |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE868309R (en) |
DE (1) | DE2826262C2 (en) |
FR (1) | FR2395546A2 (en) |
GB (1) | GB2001585B (en) |
IT (1) | IT1110482B (en) |
NL (1) | NL179012C (en) |
SE (1) | SE437574B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2443130A1 (en) * | 1978-11-29 | 1980-06-27 | Serras Paulet Edouard | CONTROL KEYBOARD FOR ELECTRIC OR ELECTRONIC DEVICES |
FR2451095A1 (en) * | 1979-03-08 | 1980-10-03 | Telephonie Ind Commerciale | PUSH BUTTON CONTROL KEYBOARD |
FR2476900A1 (en) * | 1980-02-27 | 1981-08-28 | Telephonie Ind Commerciale | PUSH BUTTON FOR CONTROL KEYBOARD AND METHOD OF MAKING SAME |
FR2484130A1 (en) * | 1980-06-06 | 1981-12-11 | Serras Paulet Edouard | DEVICE WITH A FASTENABLE TOUCH FORMING A DELAYED OPEN SWITCH |
DE3346485A1 (en) * | 1983-12-22 | 1985-07-04 | Siemens AG, 1000 Berlin und 8000 München | KEY COVER FOR A KEYBOARD ARRANGED IN A HOUSING |
EP0309741A1 (en) * | 1987-09-30 | 1989-04-05 | Oerlikon-Contraves AG | Push-button electrical switch |
US5523730C1 (en) * | 1995-06-02 | 2002-01-15 | Van Anthony J Zeeland | Switch with mangnetically-coupled armature |
US5666096A (en) * | 1995-06-02 | 1997-09-09 | Van Zeeland; Anthony J. | Switch with magnetically-coupled armature |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1151142A (en) * | 1967-01-10 | 1969-05-07 | Electronic Components Ltd | Improvements in or relating to Electrical Switches |
US3506795A (en) * | 1967-10-24 | 1970-04-14 | Raymond F Schmidt | Electrical switch device |
US3641286A (en) * | 1970-10-05 | 1972-02-08 | Selectro Corp | Electromechanical keyboard independently operated switch mechanism with improved conductive resilient actuating means |
DE2326752A1 (en) * | 1973-05-25 | 1974-12-19 | Radomir Kujovic | MEMBRANE MICROSWITCH |
CH559966A5 (en) * | 1973-11-30 | 1975-03-14 | Metzler Hans Vito Fabrik Elekt | Printed cct. keyboard switch for electronic calculators - has resetting spring with plate-shaped contact element |
US3916360A (en) * | 1974-08-09 | 1975-10-28 | Singer Co | Magnetic keyboard |
US4066860A (en) * | 1974-09-26 | 1978-01-03 | Sharp Kabushiki Kaisha | Pushbutton switch key arrangement for keyboards having indicia |
FR2356199A1 (en) * | 1975-10-29 | 1978-01-20 | Serras Paulet Edouard | ALPHANUMERIC KEYPAD WITH PRESSURE KEYS FOR ELECTRICAL OR ELECTRONIC MACHINE |
-
1977
- 1977-06-22 FR FR7719170A patent/FR2395546A2/en active Granted
-
1978
- 1978-06-15 DE DE2826262A patent/DE2826262C2/en not_active Expired
- 1978-06-20 GB GB787827389A patent/GB2001585B/en not_active Expired
- 1978-06-21 BE BE188722A patent/BE868309R/en not_active IP Right Cessation
- 1978-06-21 IT IT24774/78A patent/IT1110482B/en active
- 1978-06-21 SE SE7807106A patent/SE437574B/en unknown
- 1978-06-22 NL NLAANVRAGE7806767,A patent/NL179012C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL179012C (en) | 1986-06-16 |
GB2001585B (en) | 1982-01-27 |
FR2395546B2 (en) | 1983-10-21 |
IT1110482B (en) | 1985-12-23 |
NL179012B (en) | 1986-01-16 |
GB2001585A (en) | 1979-02-07 |
IT7824774A0 (en) | 1978-06-21 |
DE2826262C2 (en) | 1987-05-27 |
FR2395546A2 (en) | 1979-01-19 |
SE7807106L (en) | 1978-12-23 |
SE437574B (en) | 1985-03-04 |
BE868309R (en) | 1978-10-16 |
DE2826262A1 (en) | 1979-01-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |