GB8510615D0 - Pressure sensitive electrical device - Google Patents

Pressure sensitive electrical device

Info

Publication number: GB8510615D0
Authority: GB; United Kingdom
Prior art keywords: pressure sensitive; electrical device; sensitive electrical; pressure; sensitive
Prior art date: 1984-05-02
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

GB858510615A

Other versions

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.)

Nottingham County Council

Original Assignee

Nottingham County Council

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.)

1984-05-02

Filing date

1985-04-26

Publication date

1985-06-05

1984-05-02 Priority claimed from GB848411280A external-priority patent/GB8411280D0/en

1985-04-26 Application filed by Nottingham County Council filed Critical Nottingham County Council

1985-04-26 Priority to GB08510615A priority Critical patent/GB2158291A/en

1985-06-05 Publication of GB8510615D0 publication Critical patent/GB8510615D0/en

1985-11-06 Publication of GB2158291A publication Critical patent/GB2158291A/en

Status Withdrawn legal-status Critical Current

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
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/9618—Touch switches using a plurality of detectors, e.g. keyboard
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
- H03M11/22—Static coding
- 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
- H01H2201/036—Variable resistance
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2203/00—Form of contacts
- H01H2203/02—Interspersed fingers
- 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
- H01H2203/054—Form of contacts to solve particular problems for redundancy, e.g. several contact pairs in parallel
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/068—Properties of the membrane
- H01H2209/078—Conductive rubber
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/004—Larger or different actuating area
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/014—Facilitation of operation; Human engineering handicapped
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/002—Legends replaceable; adaptable
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/002—Casings sealed
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/002—Layer thickness
- H01H2227/004—Membrane

Landscapes

Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Push-Button Switches (AREA)

GB08510615A 1984-05-02 1985-04-26 Pressure sensitive electrical switch device Withdrawn GB2158291A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB08510615A GB2158291A (en)	1984-05-02	1985-04-26	Pressure sensitive electrical switch device

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB848411280A GB8411280D0 (en)	1984-05-02	1984-05-02	Pressure sensitive electrical device
GB08510615A GB2158291A (en)	1984-05-02	1985-04-26	Pressure sensitive electrical switch device

Publications (2)

Publication Number	Publication Date
GB8510615D0 true GB8510615D0 (en)	1985-06-05
GB2158291A GB2158291A (en)	1985-11-06

Family

ID=26287686

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08510615A Withdrawn GB2158291A (en)	1984-05-02	1985-04-26	Pressure sensitive electrical switch device

Country Status (1)

Country	Link
GB (1)	GB2158291A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI82332C (en) *	1986-02-06	1991-02-11	Kone Oy	Micromechanical call push button station
IL101959A0 (en) *	1991-06-03	1992-12-30	Menashe Yehezkel	Electric control signal-generating assembly
DE4427537A1 (en) *	1994-08-04	1996-02-29	Saar Gummiwerk Gmbh	Flexible hollow chamber profile as an accommodation, protection and actuation profile for force sensing restistors · T ·· M ·

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1521474A (en) *	1975-10-31	1978-08-16	Parmeko Ltd	Pressure operable electrical switches
US4074642A (en) *	1976-07-27	1978-02-21	The Singer Company	Sewing machine with programmable memory
US4297907A (en) *	1979-06-01	1981-11-03	Kaman Aerospace Corporation	Torque splitting gear drive
DE2949335A1 (en) *	1979-12-07	1981-06-11	Bucher-Guyer AG Maschinenfabrik, Niederweningen, Zürich	AUTHENTIC LIFTING DEVICE FOR AN AGRICULTURAL DEVICE, IN PARTICULAR A MACHINE
GB2077508A (en) *	1980-05-09	1981-12-16	Weatherley Richard	Variable resistance pressure- sensitive laminate

1985
- 1985-04-26 GB GB08510615A patent/GB2158291A/en not_active Withdrawn

Also Published As

Publication number	Publication date
GB2158291A (en)	1985-11-06

Publication	Publication Date	Title
GB2175086B (en)	1989-02-08	Pressure sensitive element
GB8523656D0 (en)	1985-10-30	Pressure sensing device
GB2156078B (en)	1987-05-13	Electrical pressure sensor
GB2181551B (en)	1989-12-13	Pressure indicating device
GB2180656B (en)	1989-08-23	Pressure measuring device
DE3567355D1 (en)	1989-02-16	Crop-conditioning device
JPS57159068A (en)	1982-10-01	Pressure sensitive device
GB8514132D0 (en)	1985-07-10	Pressure sensing device
IL66855A0 (en)	1982-12-31	Electrical connection device
GB2180342B (en)	1989-10-25	Pressure sensitive device
DE3561566D1 (en)	1988-03-10	Monitoring device
DE3565876D1 (en)	1988-12-01	Seated-valve device
DE3570751D1 (en)	1989-07-06	Force measuring device
GB8519612D0 (en)	1985-09-11	Pressure-sensitive device
GB8508062D0 (en)	1985-05-01	Sensor device
GB8505003D0 (en)	1985-03-27	Sensing devices
DE3561421D1 (en)	1988-02-18	Fuse-actuating device
GB8511056D0 (en)	1985-06-12	Pressure sensitive pad
DE3365466D1 (en)	1986-09-25	Pressure sensitive switchmats
DE3565772D1 (en)	1988-12-01	Medical-therapeutic device
PT81599A (en)	1986-01-01	Electrical connecting device
DE3468951D1 (en)	1988-02-25	Indicating device
DE3561523D1 (en)	1988-03-03	Indicating device
GB8616937D0 (en)	1986-08-20	Connection device
GB8510615D0 (en)	1985-06-05	Pressure sensitive electrical device

Legal Events

Date	Code	Title	Description
1989-04-26	WAP	Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)