SE8000792L - Telefonapparat - Google Patents
TelefonapparatInfo
- Publication number
- SE8000792L SE8000792L SE8000792A SE8000792A SE8000792L SE 8000792 L SE8000792 L SE 8000792L SE 8000792 A SE8000792 A SE 8000792A SE 8000792 A SE8000792 A SE 8000792A SE 8000792 L SE8000792 L SE 8000792L
- Authority
- SE
- Sweden
- Prior art keywords
- steel plate
- pcb
- circuit
- telephone apparatus
- pushbutton
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/144—Stacked arrangements of planar printed circuit boards
-
- 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
- H01H13/7013—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 in which the movable contacts of each switch site or of a row of switch sites are formed in a single plate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
- H05K1/053—Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an inorganic insulating layer
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Push-Button Switches (AREA)
- Telephone Set Structure (AREA)
- Input From Keyboards Or The Like (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA320,732A CA1100165A (en) | 1979-02-02 | 1979-02-02 | Pushbutton switch assembly for telecommunications and other input apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8000792L true SE8000792L (sv) | 1980-08-03 |
SE440567B SE440567B (sv) | 1985-08-05 |
Family
ID=4113441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8000792A SE440567B (sv) | 1979-02-02 | 1980-01-31 | Tryckknappsstromstellare |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS55124914A (sv) |
BE (1) | BE881507A (sv) |
CA (1) | CA1100165A (sv) |
DE (1) | DE3003715A1 (sv) |
FR (1) | FR2448218A1 (sv) |
GB (1) | GB2043352B (sv) |
IT (1) | IT1193911B (sv) |
NO (1) | NO153197C (sv) |
SE (1) | SE440567B (sv) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3130159C2 (de) * | 1981-07-30 | 1987-02-05 | Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt | Verfahren zur Herstellung von Leiterplatten |
JPH049706Y2 (sv) * | 1984-09-13 | 1992-03-11 | ||
GB2250380B (en) * | 1990-11-27 | 1995-01-04 | Ist Lab Ltd | Switch apparatus |
GB2308499B (en) * | 1995-12-22 | 2000-03-15 | Nokia Mobile Phones Ltd | A contact membrane for a keypad assembly |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB990023A (en) * | 1961-03-13 | 1965-04-22 | Ass Elect Ind | Improvements relating to printed electrical circults |
US3843851A (en) * | 1971-09-17 | 1974-10-22 | Canon Kk | A rigid compact electronic computer |
US3898421A (en) * | 1972-08-18 | 1975-08-05 | Matsushita Electric Ind Co Ltd | Push button switch with elastic conductive sheet |
AR204336A1 (es) * | 1973-12-17 | 1975-12-22 | Texas Instruments Inc | Pieza de teclado |
CA1019374A (en) * | 1975-04-16 | 1977-10-18 | Cornelis W. Reedyk | Multi-contact push-button switch |
CA1034175A (en) * | 1975-04-16 | 1978-07-04 | Pak-Jong Chu | Multi-contact push-button switch |
US3969600A (en) * | 1975-06-11 | 1976-07-13 | Burroughs Corporation | Tactile feedback keyboard switch assembly and actuator |
-
1979
- 1979-02-02 CA CA320,732A patent/CA1100165A/en not_active Expired
-
1980
- 1980-01-30 NO NO80800228A patent/NO153197C/no unknown
- 1980-01-31 SE SE8000792A patent/SE440567B/sv not_active IP Right Cessation
- 1980-01-31 GB GB8003336A patent/GB2043352B/en not_active Expired
- 1980-01-31 FR FR8002091A patent/FR2448218A1/fr active Granted
- 1980-02-01 JP JP1013280A patent/JPS55124914A/ja active Pending
- 1980-02-01 BE BE0/199230A patent/BE881507A/fr not_active IP Right Cessation
- 1980-02-01 IT IT19650/80A patent/IT1193911B/it active
- 1980-02-01 DE DE19803003715 patent/DE3003715A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
IT8019650A0 (it) | 1980-02-01 |
DE3003715A1 (de) | 1980-08-14 |
NO153197B (no) | 1985-10-21 |
JPS55124914A (en) | 1980-09-26 |
IT1193911B (it) | 1988-08-31 |
SE440567B (sv) | 1985-08-05 |
GB2043352A (en) | 1980-10-01 |
NO153197C (no) | 1986-01-29 |
FR2448218B1 (sv) | 1984-02-24 |
GB2043352B (en) | 1983-04-13 |
FR2448218A1 (fr) | 1980-08-29 |
CA1100165A (en) | 1981-04-28 |
BE881507A (fr) | 1980-08-01 |
NO800228L (no) | 1980-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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