ZA723265B - Electrical contact units - Google Patents

Electrical contact units

Info

Publication number
ZA723265B
ZA723265B ZA723265A ZA723265A ZA723265B ZA 723265 B ZA723265 B ZA 723265B ZA 723265 A ZA723265 A ZA 723265A ZA 723265 A ZA723265 A ZA 723265A ZA 723265 B ZA723265 B ZA 723265B
Authority
ZA
South Africa
Prior art keywords
electrical contact
contact units
units
electrical
contact
Prior art date
Application number
ZA723265A
Inventor
T Jackson
R Hodges
R Gearing
Original Assignee
Standard Telephones Cables 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 Standard Telephones Cables Ltd filed Critical Standard Telephones Cables Ltd
Publication of ZA723265B publication Critical patent/ZA723265B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
    • 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
    • H01H13/26—Snap-action arrangements depending upon deformation of elastic members
    • H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/18—Energy stored by deformation of elastic members by flexing of blade springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/026—Separate dome contact
ZA723265A 1971-08-05 1972-05-15 Electrical contact units ZA723265B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3683471A GB1361459A (en) 1971-08-05 1971-08-05 Electrical contact units

Publications (1)

Publication Number Publication Date
ZA723265B true ZA723265B (en) 1973-02-28

Family

ID=10391555

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA723265A ZA723265B (en) 1971-08-05 1972-05-15 Electrical contact units

Country Status (7)

Country Link
CH (1) CH557585A (en)
DE (1) DE2238026C3 (en)
ES (1) ES405573A1 (en)
FR (1) FR2148228B1 (en)
GB (1) GB1361459A (en)
IT (1) IT963317B (en)
ZA (1) ZA723265B (en)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4194105A (en) * 1977-01-13 1980-03-18 Itt Industries, Inc. Switches
DE2902769C2 (en) * 1979-01-25 1982-12-09 Rudolf Schadow Gmbh, 1000 Berlin Push button switch
FI66501C (en) * 1979-04-06 1984-10-10 Autophon Ag TRYCKKNAPPSSTROEMSTAELLARE
DE3320116A1 (en) * 1983-06-03 1984-12-06 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt KEY SWITCH DEVICE
BE902471A (en) * 1985-05-22 1985-09-16 Velleman N V MEMBRANE FOR MEMBRANE SWITCH AND COMPOSITE ELEMENTS THEREOF.
US4659881A (en) * 1986-01-27 1987-04-21 Eastman Kodak Company Multidome multistage switch assembly
DE4022388A1 (en) * 1990-07-13 1992-01-23 Hopt & Schuler Ddm ACCELERATION SWITCH WITH SNAP SPRING
DE19901799C2 (en) * 1999-01-19 2000-11-30 Helag Electronic Gmbh Electromechanical switch
DE10065805C1 (en) * 2000-12-30 2002-01-17 Helag Electronic Gmbh Electromechanical switch has snap-action element supported above carrier by pin used for operation of switch contact set
FR2859817B1 (en) * 2003-09-17 2006-06-02 Itt Mfg Enterprises Inc SMALL THICKNESS CONTACTOR
JP2008078090A (en) * 2006-09-25 2008-04-03 Omron Corp Push-button switch
US9710069B2 (en) 2012-10-30 2017-07-18 Apple Inc. Flexible printed circuit having flex tails upon which keyboard keycaps are coupled
US9449772B2 (en) 2012-10-30 2016-09-20 Apple Inc. Low-travel key mechanisms using butterfly hinges
US9502193B2 (en) 2012-10-30 2016-11-22 Apple Inc. Low-travel key mechanisms using butterfly hinges
WO2014124165A2 (en) 2013-02-06 2014-08-14 Hemmonst Holding Llc Input/output device with a dynamically adjustable appearance and function
WO2014193850A1 (en) 2013-05-27 2014-12-04 Apple Inc. Low travel switch assembly
US9908310B2 (en) 2013-07-10 2018-03-06 Apple Inc. Electronic device with a reduced friction surface
WO2015047606A1 (en) 2013-09-30 2015-04-02 Apple Inc. Keycaps having reduced thickness
JP2016532232A (en) 2013-09-30 2016-10-13 アップル インコーポレイテッド Key cap with reduced thickness
US9793066B1 (en) 2014-01-31 2017-10-17 Apple Inc. Keyboard hinge mechanism
US9779889B2 (en) 2014-03-24 2017-10-03 Apple Inc. Scissor mechanism features for a keyboard
US9704665B2 (en) 2014-05-19 2017-07-11 Apple Inc. Backlit keyboard including reflective component
US9715978B2 (en) 2014-05-27 2017-07-25 Apple Inc. Low travel switch assembly
EP3180678A1 (en) 2014-08-15 2017-06-21 Apple Inc. Fabric keyboard
US10082880B1 (en) 2014-08-28 2018-09-25 Apple Inc. System level features of a keyboard
WO2016053907A1 (en) 2014-09-30 2016-04-07 Apple Inc. Dome switch and switch housing for keyboard assembly
CN205609396U (en) 2015-05-13 2016-09-28 苹果公司 Key and input structure who is used for electron device
WO2016183510A1 (en) 2015-05-13 2016-11-17 Knopf Eric A Keyboard for electronic device
EP3295466B1 (en) 2015-05-13 2023-11-29 Apple Inc. Keyboard assemblies having reduced thicknesses and method of forming keyboard assemblies
US9997308B2 (en) 2015-05-13 2018-06-12 Apple Inc. Low-travel key mechanism for an input device
US9934915B2 (en) 2015-06-10 2018-04-03 Apple Inc. Reduced layer keyboard stack-up
US9971084B2 (en) 2015-09-28 2018-05-15 Apple Inc. Illumination structure for uniform illumination of keys
US10353485B1 (en) 2016-07-27 2019-07-16 Apple Inc. Multifunction input device with an embedded capacitive sensing layer
US10115544B2 (en) 2016-08-08 2018-10-30 Apple Inc. Singulated keyboard assemblies and methods for assembling a keyboard
US10755877B1 (en) 2016-08-29 2020-08-25 Apple Inc. Keyboard for an electronic device
US11500538B2 (en) 2016-09-13 2022-11-15 Apple Inc. Keyless keyboard with force sensing and haptic feedback
CN117270637A (en) 2017-07-26 2023-12-22 苹果公司 Computer with keyboard

Also Published As

Publication number Publication date
CH557585A (en) 1974-12-31
DE2238026A1 (en) 1973-02-15
FR2148228B1 (en) 1978-04-21
FR2148228A1 (en) 1973-03-11
GB1361459A (en) 1974-07-24
ES405573A1 (en) 1976-01-16
IT963317B (en) 1974-01-10
DE2238026C3 (en) 1978-07-06
DE2238026B2 (en) 1977-11-17
AU4513472A (en) 1974-02-07

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