FR2241862A1 - - Google Patents

Info

Publication number
FR2241862A1
FR2241862A1 FR7428520A FR7428520A FR2241862A1 FR 2241862 A1 FR2241862 A1 FR 2241862A1 FR 7428520 A FR7428520 A FR 7428520A FR 7428520 A FR7428520 A FR 7428520A FR 2241862 A1 FR2241862 A1 FR 2241862A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7428520A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
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 by Northern Electric Co Ltd filed Critical Northern Electric Co Ltd
Publication of FR2241862A1 publication Critical patent/FR2241862A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • H01H13/703—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 characterised by spacers between contact carrying layers
    • 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
    • H01H2205/00—Movable contacts
    • H01H2205/032—Several contacts formed in one plate or layer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2211/00—Spacers
    • H01H2211/006—Individual areas
    • H01H2211/01—Ink
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/016—Pressure reduction membrane; Spreader layer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2225/00—Switch site location
    • H01H2225/006—Switch site location more then one pole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/002—Layer thickness
    • H01H2227/006—Spacer
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/008—Die stamping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/016—Selective etching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/022—Telephone handset
FR7428520A 1973-08-20 1974-08-20 Withdrawn FR2241862A1 (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA179137 1973-08-20

Publications (1)

Publication Number Publication Date
FR2241862A1 true FR2241862A1 (enrdf_load_html_response) 1975-03-21

Family

ID=4097596

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7428520A Withdrawn FR2241862A1 (enrdf_load_html_response) 1973-08-20 1974-08-20

Country Status (7)

Country Link
JP (1) JPS5072182A (enrdf_load_html_response)
DE (1) DE2439697B2 (enrdf_load_html_response)
ES (1) ES429393A1 (enrdf_load_html_response)
FR (1) FR2241862A1 (enrdf_load_html_response)
GB (1) GB1484634A (enrdf_load_html_response)
IT (1) IT1020025B (enrdf_load_html_response)
SE (1) SE7410595L (enrdf_load_html_response)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308185A1 (fr) * 1975-04-16 1976-11-12 Northern Telecom Ltd Commutateur multi-contacts a bouton-poussoir
FR2308184A1 (fr) * 1975-04-16 1976-11-12 Northern Telecom Ltd Commutateur multi-contacts a bouton-poussoir
FR2479551A1 (fr) * 1980-04-01 1981-10-02 Ruf Kg Wilhelm Platine de clavier

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5399572U (enrdf_load_html_response) * 1977-01-18 1978-08-11
JPS53133175U (enrdf_load_html_response) * 1977-03-29 1978-10-21
DK168720B1 (da) * 1993-10-28 1994-05-24 Oticon As Kontaktindretning, samt høreapparatudstyr med mindst en sådan indretning
DE19528574C2 (de) * 1995-08-03 1997-06-05 Siemens Ag Schaltvorrichtung
DE602004024724D1 (de) * 2004-02-24 2010-01-28 Research In Motion Ltd Tragbare elektronische Vorrichtung und Tastatur mit Multifunktionstasten
US7324091B2 (en) 2004-02-24 2008-01-29 Research In Motion Limited Handheld electronic device and keyboard having multiple-function keys
DE102007027218A1 (de) * 2007-06-13 2008-12-18 Leopold Kostal Gmbh & Co. Kg Elektrischer Schalter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308185A1 (fr) * 1975-04-16 1976-11-12 Northern Telecom Ltd Commutateur multi-contacts a bouton-poussoir
FR2308184A1 (fr) * 1975-04-16 1976-11-12 Northern Telecom Ltd Commutateur multi-contacts a bouton-poussoir
FR2479551A1 (fr) * 1980-04-01 1981-10-02 Ruf Kg Wilhelm Platine de clavier

Also Published As

Publication number Publication date
DE2439697B2 (de) 1977-08-04
ES429393A1 (es) 1976-08-16
JPS5072182A (enrdf_load_html_response) 1975-06-14
SE7410595L (enrdf_load_html_response) 1975-02-21
IT1020025B (it) 1977-12-20
GB1484634A (en) 1977-09-01
DE2439697A1 (de) 1975-03-06

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse