GB1251639A - - Google Patents

Info

Publication number
GB1251639A
GB1251639A GB1251639DA GB1251639A GB 1251639 A GB1251639 A GB 1251639A GB 1251639D A GB1251639D A GB 1251639DA GB 1251639 A GB1251639 A GB 1251639A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
assembly
fluid
row
area
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.)
Expired
Application number
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1251639A publication Critical patent/GB1251639A/en
Expired legal-status Critical Current

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
    • 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
    • H01H2203/00—Form of contacts
    • H01H2203/022—Helical networks
    • 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
    • H01H2203/05—Form of contacts to solve particular problems to avoid damage by deformation of layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2207/00—Connections
    • H01H2207/012—Connections via underside of substrate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/006—Force isolators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2213/00—Venting
    • H01H2213/002—Venting with external pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/008—Actuators other then push button
    • H01H2221/02—Actuators other then push button pneumatic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/044—Injection moulding

Landscapes

  • Push-Button Switches (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Manufacture Of Switches (AREA)
GB1251639D 1969-07-24 1970-06-29 Expired GB1251639A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84434969A 1969-07-24 1969-07-24

Publications (1)

Publication Number Publication Date
GB1251639A true GB1251639A (enrdf_load_stackoverflow) 1971-10-27

Family

ID=25292475

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251639D Expired GB1251639A (enrdf_load_stackoverflow) 1969-07-24 1970-06-29

Country Status (5)

Country Link
US (1) US3594522A (enrdf_load_stackoverflow)
JP (1) JPS4812707B1 (enrdf_load_stackoverflow)
DE (1) DE2036453C3 (enrdf_load_stackoverflow)
FR (1) FR2056198A5 (enrdf_load_stackoverflow)
GB (1) GB1251639A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783243A (en) * 1971-06-25 1974-01-01 Ibm Pneumatic reading system for document cards
US3814877A (en) * 1972-10-17 1974-06-04 Jonathan Mfg Co Pressure switch with diaphragm and adjustable contact
US3860772A (en) * 1973-04-30 1975-01-14 Carter Precision Electric Co Air pressure responsive switch for vehicle tire and the like with hinged contact and diaphragm
US3968336A (en) * 1974-09-23 1976-07-06 Xerox Corporation Keyboard switch assembly having movable contact, and supporting helicline type legs disposed co-planar to common conductive sheet
JPS6050590B2 (ja) * 1977-08-18 1985-11-09 第一電子工業株式会社 印刷回路板用フレキシブル積層板
US5728986A (en) * 1996-12-20 1998-03-17 Eaton Corporation Block mounting of pressure switch cartridge
US5998745A (en) * 1998-03-31 1999-12-07 Agfa Corporation Vacuum detection switch

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US541243A (en) * 1895-06-18 manger
US2798130A (en) * 1953-05-22 1957-07-02 Cutler Hammer Inc Electric switch devices
US2811599A (en) * 1953-10-15 1957-10-29 Statham Lab Inc Liquid pressure operated electrical switch
US3009032A (en) * 1959-05-26 1961-11-14 Bendix Corp Sealed pressure switch
US3240885A (en) * 1963-05-07 1966-03-15 Western Electric Co Multiple switching apparatus
CH434470A (de) * 1963-05-13 1967-04-30 Standard Telephon & Radio Ag Elektromagnetisches Relais
US3267233A (en) * 1964-01-31 1966-08-16 Sperry Rand Corp Pneumatic transducer
GB1108593A (en) * 1964-02-13 1968-04-03 Oasis Technical Invest Ltd Window and the combination thereof with alarm means
US3308253A (en) * 1965-03-25 1967-03-07 Ibm Diaphragm switch having a diaphragm supported on an incompressible layer and an elastomer overlaying the diaphragm
US3492420A (en) * 1967-05-29 1970-01-27 Telautograph Corp Platen switch
US3515828A (en) * 1968-03-01 1970-06-02 Singer General Precision Fluidic to electronic converter

Also Published As

Publication number Publication date
US3594522A (en) 1971-07-20
FR2056198A5 (enrdf_load_stackoverflow) 1971-05-14
DE2036453B2 (de) 1978-02-16
JPS4812707B1 (enrdf_load_stackoverflow) 1973-04-23
DE2036453C3 (de) 1978-10-12
DE2036453A1 (de) 1971-02-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee