GB1454805A - Pressure sensitive switch construction - Google Patents

Pressure sensitive switch construction

Info

Publication number
GB1454805A
GB1454805A GB3051374A GB3051374A GB1454805A GB 1454805 A GB1454805 A GB 1454805A GB 3051374 A GB3051374 A GB 3051374A GB 3051374 A GB3051374 A GB 3051374A GB 1454805 A GB1454805 A GB 1454805A
Authority
GB
United Kingdom
Prior art keywords
conductive
conductors
compressed
render
july
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
GB3051374A
Other languages
English (en)
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.)
Essex International Inc
Original Assignee
Essex International Inc
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 Essex International Inc filed Critical Essex International Inc
Publication of GB1454805A publication Critical patent/GB1454805A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
    • H01H3/141—Cushion or mat switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/029—Composite material comprising conducting material dispersed in an elastic support or binding material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Push-Button Switches (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
GB3051374A 1973-07-24 1974-07-10 Pressure sensitive switch construction Expired GB1454805A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00382138A US3830991A (en) 1973-07-24 1973-07-24 Pressure sensitive mat switch construction

Publications (1)

Publication Number Publication Date
GB1454805A true GB1454805A (en) 1976-11-03

Family

ID=23507674

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3051374A Expired GB1454805A (en) 1973-07-24 1974-07-10 Pressure sensitive switch construction

Country Status (5)

Country Link
US (1) US3830991A (enrdf_load_stackoverflow)
JP (1) JPS5042385A (enrdf_load_stackoverflow)
CA (1) CA1045696A (enrdf_load_stackoverflow)
DE (1) DE2432844A1 (enrdf_load_stackoverflow)
GB (1) GB1454805A (enrdf_load_stackoverflow)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4308439A (en) * 1978-06-08 1981-12-29 Nissan Motor Company, Limited Switching device
US4332989A (en) * 1978-12-16 1982-06-01 Fraunhofer Gesellschaft Zur Forderung Der Argewandten Forschung E.V. Safety arrangement for systems having parts spatially moved
US4367385A (en) * 1981-01-26 1983-01-04 W. H. Brady Co. Capacitance switch
US4373122A (en) * 1981-01-26 1983-02-08 W. H. Brady Co. Capacitance switch
US4373124A (en) * 1981-01-26 1983-02-08 W. H. Brady Co. Capacitance switch
GB2140211A (en) * 1983-03-31 1984-11-21 Canon Kk Input elements
US4554424A (en) * 1983-05-27 1985-11-19 Minnesota Mining And Manufacturing Co. Electrical switch
GB2261115A (en) * 1991-10-29 1993-05-05 Eja Eng Plc Pressure sensitive mat
GB2304458A (en) * 1995-08-19 1997-03-19 Rover Group Obstacle detection means for vehicle windows
GB2320347A (en) * 1996-12-04 1998-06-17 Hodgkinson & Corby Limited Inflatable cellular support cushion or mattress detector
GB2326283A (en) * 1997-06-13 1998-12-16 Brite Power International Limi Presssure pad
US6072130A (en) * 1995-04-27 2000-06-06 Burgess; Lester E. Pressure activated switching device

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1454281A (en) * 1973-04-28 1976-11-03 Lucas Electrical Ltd Electrical switch
US4137116A (en) * 1977-04-22 1979-01-30 Miller Brothers Method of making a pressure switch
US4200777A (en) * 1977-04-22 1980-04-29 Miller Norman K Pressure switch
US4164634A (en) * 1977-06-10 1979-08-14 Telaris Telecommunications, Inc. Keyboard switch assembly with multiple isolated electrical engagement regions
SE410123B (sv) * 1978-01-31 1979-09-24 Ahlstrom Bengt Tryckkennande anordning med minst en till en reaktansberoende detekteringskrets, foretredesvis oscillatorkrets, ansluten ledarslinga
US4172216A (en) * 1978-05-19 1979-10-23 Sprague Electric Company Pressure sensitive switch
DE2901704C3 (de) * 1979-01-17 1981-10-08 Hans Dipl.-Ing. 5928 Laasphe Osterrath An einer Tür angeordneter Elektroschalter
US4401896A (en) * 1981-05-26 1983-08-30 Fowler Eugene W Weight or ambient pressure-responsive mechanical pressure switch
DE3123438C2 (de) * 1981-06-12 1985-02-07 Wilhelm Ruf KG, 8000 München Schaltanordnung
US4439647A (en) * 1982-07-14 1984-03-27 Nick Calandrello Touchpad keyboard
JPS6010241U (ja) 1983-07-01 1985-01-24 アルプス電気株式会社 シ−ト部材
US4570521A (en) * 1984-03-30 1986-02-18 Jeffrey Fox Electronic musical instrument with string-simulating switches
JPS618816A (ja) * 1984-06-25 1986-01-16 株式会社　信明産業 加圧導電スイツチの製造方法と加圧導電スイツチ
DE3507922A1 (de) * 1985-03-06 1986-09-11 Mayser-Gmbh & Co, 7900 Ulm Schaltmatte und verfahren zu ihrer herstellung
FR2580240B1 (fr) * 1985-04-10 1987-07-10 Citroen Maxime Dispositif de regroupement constituant un clavier de contacteurs de commande d'equipements installes dans un vehicule automobile
GB8516957D0 (en) * 1985-07-04 1985-08-07 Uniroyal Ltd Pressure responsive materials
IT1210778B (it) * 1987-06-02 1989-09-20 Leda Logarithmic Elect Devices Conduttore elettrico bidimensionale con funzione di interruttore elettrico
US5239148A (en) * 1991-05-15 1993-08-24 Progressive Engineering Technologies Corp. Lane discriminating traffic counting device
US5322086A (en) * 1992-11-12 1994-06-21 Sullivan Robert A Hands-free, leg-operated, faucet-control device
US5602428A (en) * 1995-06-07 1997-02-11 Acrometal Companies, Inc. Switch mat with active threshold
FR2787568B1 (fr) * 1998-12-16 2001-02-02 France Etat Dispositif de mise a feu d'une amorce
US6611783B2 (en) 2000-01-07 2003-08-26 Nocwatch, Inc. Attitude indicator and activity monitoring device
US7460027B2 (en) * 2006-01-19 2008-12-02 Progressive Engineering Technologies Corp. Sensor cord array and method with conductive sensors for detecting activity on or around an object
CN101540239B (zh) * 2008-03-21 2013-01-09 深圳富泰宏精密工业有限公司 按键结构
CN101546663A (zh) * 2008-03-26 2009-09-30 深圳富泰宏精密工业有限公司 电子装置的按键结构
JP2015088331A (ja) * 2013-10-30 2015-05-07 パナソニックＩｐマネジメント株式会社 感圧スイッチおよびその製造方法、並びに感圧スイッチを備えたタッチパネルおよびその製造方法
JP2015088332A (ja) * 2013-10-30 2015-05-07 パナソニックＩｐマネジメント株式会社 感圧スイッチおよびその製造方法、並びに感圧スイッチを備えたタッチパネルおよびその製造方法
US9799183B2 (en) 2013-12-06 2017-10-24 SkyBell Technologies, Inc. Doorbell package detection systems and methods
US10466118B1 (en) 2015-08-28 2019-11-05 Multek Technologies, Ltd. Stretchable flexible durable pressure sensor
US10993635B1 (en) 2016-03-22 2021-05-04 Flextronics Ap, Llc Integrating biosensor to compression shirt textile and interconnect method
JP6669034B2 (ja) 2016-10-14 2020-03-18 オムロン株式会社 樹脂構造体、電子機器、および樹脂構造体の製造方法
JP2018077191A (ja) * 2016-11-11 2018-05-17 北川工業株式会社 感圧センサー
JP6770743B2 (ja) 2016-12-20 2020-10-21 北川工業株式会社 感圧センサー
US10444094B1 (en) * 2017-07-14 2019-10-15 Flex Ltd. Bladder system for force sensitive resistors (FSR) sensors
US10690559B1 (en) 2018-03-28 2020-06-23 Flex Ltd. Pressure sensor array and the method of making
US11124390B2 (en) 2018-05-22 2021-09-21 Otis Elevator Company Pressure sensitive mat
US10650946B1 (en) 2018-08-08 2020-05-12 Flex Ltd. Trimming method of DCR sensing circuits
WO2020094503A1 (en) * 2018-11-07 2020-05-14 Iee International Electronics & Engineering S.A. Method for producing a foil-based pressure sensor
LU101058B1 (en) * 2018-12-14 2020-06-15 Iee Sa Method for Producing a Foil-Based Pressure Sensor
US11022580B1 (en) 2019-01-31 2021-06-01 Flex Ltd. Low impedance structure for PCB based electrodes
US11668686B1 (en) 2019-06-17 2023-06-06 Flex Ltd. Batteryless architecture for color detection in smart labels

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1775755A (en) * 1928-11-26 1930-09-16 Nat Pneumatic Co Treadle switch structure
US2044080A (en) * 1935-07-31 1936-06-16 Charles R Kemper Circuit controlling device
US2625621A (en) * 1950-02-11 1953-01-13 Stanley Works Electric mat switch
JPS429734Y1 (enrdf_load_stackoverflow) * 1965-01-27 1967-05-26
JPS441744Y1 (enrdf_load_stackoverflow) * 1966-06-07 1969-01-23
US3648002A (en) * 1970-05-04 1972-03-07 Essex International Inc Current control apparatus and methods of manufacture

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4308439A (en) * 1978-06-08 1981-12-29 Nissan Motor Company, Limited Switching device
US4332989A (en) * 1978-12-16 1982-06-01 Fraunhofer Gesellschaft Zur Forderung Der Argewandten Forschung E.V. Safety arrangement for systems having parts spatially moved
US4367385A (en) * 1981-01-26 1983-01-04 W. H. Brady Co. Capacitance switch
US4373122A (en) * 1981-01-26 1983-02-08 W. H. Brady Co. Capacitance switch
US4373124A (en) * 1981-01-26 1983-02-08 W. H. Brady Co. Capacitance switch
GB2140211A (en) * 1983-03-31 1984-11-21 Canon Kk Input elements
US4554424A (en) * 1983-05-27 1985-11-19 Minnesota Mining And Manufacturing Co. Electrical switch
GB2261115A (en) * 1991-10-29 1993-05-05 Eja Eng Plc Pressure sensitive mat
US6072130A (en) * 1995-04-27 2000-06-06 Burgess; Lester E. Pressure activated switching device
GB2304458A (en) * 1995-08-19 1997-03-19 Rover Group Obstacle detection means for vehicle windows
GB2304458B (en) * 1995-08-19 1999-02-24 Rover Group A detection system
GB2321136A (en) * 1996-12-04 1998-07-15 Hodgkinson & Corby Limited Inflatable cellular support cushion or mattress detector
GB2320347A (en) * 1996-12-04 1998-06-17 Hodgkinson & Corby Limited Inflatable cellular support cushion or mattress detector
GB2321136B (en) * 1996-12-04 2000-10-11 Hodgkinson & Corby Limited Inflatable cellular support cushion or mattress detector
GB2326283A (en) * 1997-06-13 1998-12-16 Brite Power International Limi Presssure pad
GB2326283B (en) * 1997-06-13 1999-05-05 Brite Power International Limi Pressure pad,switch and alarm apparatus

Also Published As

Publication number Publication date
CA1045696A (en) 1979-01-02
US3830991A (en) 1974-08-20
JPS5042385A (enrdf_load_stackoverflow) 1975-04-17
DE2432844A1 (de) 1975-02-13

Similar Documents

Publication Publication Date Title
GB1454805A (en) Pressure sensitive switch construction
US4439647A (en) Touchpad keyboard
US4194105A (en) Switches
US2445660A (en) Electric treadle
EP0050231A3 (en) Switching component with variable resistance
US3209089A (en) Miniature casing pressure operated switch with resilient contact spacer and short circuit prevention structure
US3464531A (en) Manual electronic keyboard
GB1435434A (en) Key switch assembly for keyboards
GB1318409A (en) Multiple switch constructions
GB1274162A (en) An electrical keyboard
EP0308401A1 (en) High sensitivity mat switch
ES398485A1 (es) Un dispositivo de accionamiento destinado, mas en particu- lar, a conmutadores o interruptores electricos.
US3668698A (en) Capacitive transducer
GB1292124A (en) Push pull switch
US2863010A (en) Multiple electric switches
GB1512488A (en) Tactile feedback push-button switch
US3042764A (en) Electric switch and sealing element therefor
US2877324A (en) Switch
ES206421U (es) Mando accionado por el pie.
GB1260027A (en) Low throw touch operable electric switches
GB1209564A (en) Electrical switch mat
US2787681A (en) Pressure actuated switches
GB1484634A (en) Pushbutton switch
EP0177267A3 (en) Flexible electric switches
US4156120A (en) Variable spring force keyboard pad

Legal Events

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