IT992970B - Interruttore a tasto specie per tastiere in macchine per scrivere e macchine similari - Google Patents
Interruttore a tasto specie per tastiere in macchine per scrivere e macchine similariInfo
- Publication number
- IT992970B IT992970B IT2788773A IT2788773A IT992970B IT 992970 B IT992970 B IT 992970B IT 2788773 A IT2788773 A IT 2788773A IT 2788773 A IT2788773 A IT 2788773A IT 992970 B IT992970 B IT 992970B
- Authority
- IT
- Italy
- Prior art keywords
- machines
- keyboards
- key switch
- writing
- similar
- 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
- H01H13/50—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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
- H04L13/16—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of transmitters, e.g. code-bars, code-discs
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7231118 | 1972-08-23 | ||
| DE2241346A DE2241346C3 (de) | 1972-08-23 | 1972-08-23 | Tastenschalter, insbesondere für Tastaturen in Schreibmaschinen und ähnlichen Maschinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT992970B true IT992970B (it) | 1975-09-30 |
Family
ID=25763736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2788773A IT992970B (it) | 1972-08-23 | 1973-08-14 | Interruttore a tasto specie per tastiere in macchine per scrivere e macchine similari |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5423291B2 (forum.php) |
| AR (1) | AR200879A1 (forum.php) |
| CH (1) | CH561955A5 (forum.php) |
| CS (1) | CS186253B2 (forum.php) |
| FR (1) | FR2197218B1 (forum.php) |
| GB (1) | GB1412808A (forum.php) |
| IT (1) | IT992970B (forum.php) |
| NL (1) | NL174890C (forum.php) |
| SE (1) | SE382774B (forum.php) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51412A (forum.php) * | 1974-06-19 | 1976-01-06 | Hitachi Ltd | |
| DE8309913U1 (de) * | 1983-04-05 | 1985-03-28 | Dr. Eugen Sasse GmbH Bauelemente für die Elektronik, 8540 Schwabach | Tastaturtaste, insbesondere für Fernsprechtastenapparate |
| EP0261702A1 (en) * | 1986-08-27 | 1988-03-30 | Koninklijke Philips Electronics N.V. | Switch provided with wire-shaped contact members |
| DE102004054617B3 (de) * | 2004-11-11 | 2006-05-11 | Zf Friedrichshafen Ag | Betätigungseinrichtung mit Tasten |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3274355A (en) * | 1965-02-08 | 1966-09-20 | Scantlin Electronics Inc | Cam operated snap switch having wire contacts |
| US3715545A (en) * | 1971-06-18 | 1973-02-06 | Cherry Electrical Prod | Momentary push button switch with improved non-conductive cam for normally retaining movable leaf spring contacts in a non-operative position |
-
1973
- 1973-06-14 CH CH859173A patent/CH561955A5/xx not_active IP Right Cessation
- 1973-08-01 GB GB3658373A patent/GB1412808A/en not_active Expired
- 1973-08-14 IT IT2788773A patent/IT992970B/it active
- 1973-08-16 NL NL7311315A patent/NL174890C/xx not_active IP Right Cessation
- 1973-08-21 FR FR7330362A patent/FR2197218B1/fr not_active Expired
- 1973-08-22 SE SE7311409A patent/SE382774B/xx unknown
- 1973-08-22 AR AR24969573A patent/AR200879A1/es active
- 1973-08-23 JP JP9482273A patent/JPS5423291B2/ja not_active Expired
- 1973-08-23 CS CS591473A patent/CS186253B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2197218B1 (forum.php) | 1977-09-09 |
| JPS4957918A (forum.php) | 1974-06-05 |
| CH561955A5 (forum.php) | 1975-05-15 |
| AR200879A1 (es) | 1974-12-27 |
| NL174890B (nl) | 1984-03-16 |
| CS186253B2 (en) | 1978-11-30 |
| SE382774B (sv) | 1976-02-16 |
| AU5912673A (en) | 1975-02-13 |
| NL7311315A (forum.php) | 1974-02-26 |
| JPS5423291B2 (forum.php) | 1979-08-13 |
| FR2197218A1 (forum.php) | 1974-03-22 |
| NL174890C (nl) | 1984-08-16 |
| GB1412808A (en) | 1975-11-05 |
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