GB8416268D0 - Contact unit of push button switch - Google Patents
Contact unit of push button switchInfo
- Publication number
- GB8416268D0 GB8416268D0 GB848416268A GB8416268A GB8416268D0 GB 8416268 D0 GB8416268 D0 GB 8416268D0 GB 848416268 A GB848416268 A GB 848416268A GB 8416268 A GB8416268 A GB 8416268A GB 8416268 D0 GB8416268 D0 GB 8416268D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- push button
- button switch
- contact unit
- contact
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- H01H13/78—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 characterised by the contacts or the contact sites
- H01H13/785—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 characterised by the contacts or the contact sites characterised by the material of the contacts, e.g. conductive polymers
-
- 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
- H01H13/702—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/24—Reinforcing the conductive pattern
- H05K3/245—Reinforcing conductive patterns made by printing techniques or by other techniques for applying conductive pastes, inks or powders; Reinforcing other conductive patterns by such techniques
- H05K3/247—Finish coating of conductors by using conductive pastes, inks or powders
- H05K3/249—Finish coating of conductors by using conductive pastes, inks or powders comprising carbon particles as main constituent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2201/00—Contacts
- H01H2201/022—Material
- H01H2201/03—Composite
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2201/00—Contacts
- H01H2201/022—Material
- H01H2201/032—Conductive polymer; Rubber
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2203/00—Form of contacts
- H01H2203/036—Form of contacts to solve particular problems
- H01H2203/038—Form of contacts to solve particular problems to be bridged by a dome shaped contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2207/00—Connections
- H01H2207/04—Details of printed conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/018—Printed contacts; Metal foil
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09372—Pads and lands
- H05K2201/09436—Pads or lands on permanent coating which covers the other conductors
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1983200428U JPS60110938U (en) | 1983-12-28 | 1983-12-28 | Contact structure in key switch |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8416268D0 true GB8416268D0 (en) | 1984-08-01 |
GB2152287A GB2152287A (en) | 1985-07-31 |
GB2152287B GB2152287B (en) | 1988-07-06 |
Family
ID=16424132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08416268A Expired GB2152287B (en) | 1983-12-28 | 1984-06-26 | Contact unit of a push button switch |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS60110938U (en) |
AU (1) | AU552278B2 (en) |
GB (1) | GB2152287B (en) |
NO (1) | NO164567C (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3627554A1 (en) * | 1986-08-14 | 1988-02-25 | Schoeller & Co Elektrotech | METHOD FOR PRODUCING A KEY SWITCHING DEVICE AND KEY SWITCHING DEVICE |
EP0565959B1 (en) * | 1992-04-14 | 1996-08-28 | MOTOROLA GmbH | A keypad |
EP1280394A1 (en) * | 2001-07-26 | 2003-01-29 | Koninklijke Philips Electronics N.V. | Apparatus comprising contacts made from carbon tracks and process for manufacturing the same |
-
1983
- 1983-12-28 JP JP1983200428U patent/JPS60110938U/en active Pending
-
1984
- 1984-06-20 AU AU29573/84A patent/AU552278B2/en not_active Ceased
- 1984-06-26 GB GB08416268A patent/GB2152287B/en not_active Expired
- 1984-07-09 NO NO84842795A patent/NO164567C/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPS60110938U (en) | 1985-07-27 |
NO842795L (en) | 1985-07-01 |
GB2152287A (en) | 1985-07-31 |
AU2957384A (en) | 1985-07-04 |
GB2152287B (en) | 1988-07-06 |
NO164567C (en) | 1990-10-17 |
NO164567B (en) | 1990-07-09 |
AU552278B2 (en) | 1986-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19980626 |