DD113973A5 - - Google Patents
Info
- Publication number
- DD113973A5 DD113973A5 DD179695A DD17969574A DD113973A5 DD 113973 A5 DD113973 A5 DD 113973A5 DD 179695 A DD179695 A DD 179695A DD 17969574 A DD17969574 A DD 17969574A DD 113973 A5 DD113973 A5 DD 113973A5
- Authority
- DD
- German Democratic Republic
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
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00376779A US3842229A (en) | 1973-07-05 | 1973-07-05 | Keyboard pushbutton switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD113973A5 true DD113973A5 (ro) | 1975-07-05 |
Family
ID=23486452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD179695A DD113973A5 (ro) | 1973-07-05 | 1974-07-04 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3842229A (ro) |
| JP (1) | JPS5039418A (ro) |
| AU (1) | AU7027474A (ro) |
| BR (1) | BR7405523D0 (ro) |
| CA (1) | CA1010096A (ro) |
| CS (1) | CS178173B2 (ro) |
| DD (1) | DD113973A5 (ro) |
| DK (1) | DK360174A (ro) |
| ES (1) | ES427962A1 (ro) |
| FR (1) | FR2236263A1 (ro) |
| IT (1) | IT1016303B (ro) |
| NL (1) | NL7408664A (ro) |
| RO (1) | RO70422A (ro) |
| SU (1) | SU620228A3 (ro) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3962556A (en) * | 1975-01-10 | 1976-06-08 | Texas Instruments Incorporated | Keyboard with versatile switch support structures |
| US4118611A (en) * | 1977-08-30 | 1978-10-03 | International Business Machines Corporation | Buckling spring torsional snap actuator |
| DE2854096C2 (de) * | 1978-12-14 | 1982-04-08 | Siemens AG, 1000 Berlin und 8000 München | Tastenschalter, insbesondere für Tastaturen in Schreibmaschinen und ähnlichen Einrichtungen |
| JPS58147615U (ja) * | 1982-03-29 | 1983-10-04 | 日鐵溶接工業株式会社 | 横置ル−プ状線材の石灰コ−テイング装置 |
| DE8411745U1 (de) * | 1984-04-13 | 1986-02-06 | Siemens AG, 1000 Berlin und 8000 München | Drucktaste |
| JPS61151214U (ro) * | 1985-03-09 | 1986-09-18 | ||
| US6965789B2 (en) * | 2000-12-29 | 2005-11-15 | Vertu Limited | Portable communication device |
| GB2371022B (en) * | 2000-12-29 | 2005-01-12 | Nokia Mobile Phones Ltd | A portable communication device |
| USD873271S1 (en) * | 2019-08-07 | 2020-01-21 | Shenzhen Qianhai Patuoxun Network And Technology Co., Ltd. | Keyboard |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2910551A (en) * | 1957-04-22 | 1959-10-27 | Generald Motors Corp | Switch assembly |
| US3223794A (en) * | 1963-11-13 | 1965-12-14 | Indak Mfg Corp | Multiple position electrical switch with contact rails and dummy contact pressure stabilizers |
| US3259721A (en) * | 1964-03-19 | 1966-07-05 | Therm O Disc Inc | Thermostatic switch with rocking bridging contact |
| US3244847A (en) * | 1964-05-22 | 1966-04-05 | Navigation Computer Corp | Manually operated keyboard switch in a stationary mount with guided shaftway |
| GB1140521A (en) * | 1965-01-08 | 1969-01-22 | Plessey Uk Ltd | Improvements relating to electric ignition devices |
| US3707609A (en) * | 1971-10-27 | 1972-12-26 | Texas Instruments Inc | Diaphragm pushbutton switch array for keyboards |
| US3731032A (en) * | 1971-10-28 | 1973-05-01 | Us Controls Corp | Electrical switch with contact wiping |
| US3786205A (en) * | 1972-05-11 | 1974-01-15 | Becton Dickinson Co | Keyboard switch assembly with movable, multi-contact means and associated swinger portions |
-
1973
- 1973-07-05 US US00376779A patent/US3842229A/en not_active Expired - Lifetime
-
1974
- 1974-06-10 CA CA202,093A patent/CA1010096A/en not_active Expired
- 1974-06-20 AU AU70274/74A patent/AU7027474A/en not_active Expired
- 1974-06-27 NL NL7408664A patent/NL7408664A/xx unknown
- 1974-07-03 FR FR7423105A patent/FR2236263A1/fr not_active Withdrawn
- 1974-07-04 ES ES427962A patent/ES427962A1/es not_active Expired
- 1974-07-04 BR BR5523/74A patent/BR7405523D0/pt unknown
- 1974-07-04 DD DD179695A patent/DD113973A5/xx unknown
- 1974-07-04 JP JP49076865A patent/JPS5039418A/ja active Pending
- 1974-07-04 IT IT51918/74A patent/IT1016303B/it active
- 1974-07-04 SU SU742043559A patent/SU620228A3/ru active
- 1974-07-04 DK DK360174A patent/DK360174A/da unknown
- 1974-07-05 RO RO7479458A patent/RO70422A/ro unknown
- 1974-07-05 CS CS4791A patent/CS178173B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2432316A1 (de) | 1975-01-23 |
| CS178173B2 (ro) | 1977-08-31 |
| RO70422A (ro) | 1982-05-10 |
| BR7405523D0 (pt) | 1975-05-13 |
| ES427962A1 (es) | 1976-08-16 |
| US3842229A (en) | 1974-10-15 |
| DK360174A (ro) | 1975-02-24 |
| FR2236263A1 (ro) | 1975-01-31 |
| AU7027474A (en) | 1976-01-08 |
| CA1010096A (en) | 1977-05-10 |
| SU620228A3 (ru) | 1978-08-15 |
| DE2432316B2 (de) | 1977-06-30 |
| IT1016303B (it) | 1977-05-30 |
| JPS5039418A (ro) | 1975-04-11 |
| NL7408664A (nl) | 1975-01-07 |