GB9021188D0 - Membranes keyboard for pressurisation protection systems - Google Patents

Membranes keyboard for pressurisation protection systems

Info

Publication number
GB9021188D0
GB9021188D0 GB909021188A GB9021188A GB9021188D0 GB 9021188 D0 GB9021188 D0 GB 9021188D0 GB 909021188 A GB909021188 A GB 909021188A GB 9021188 A GB9021188 A GB 9021188A GB 9021188 D0 GB9021188 D0 GB 9021188D0
Authority
GB
United Kingdom
Prior art keywords
pressurisation
membranes
keyboard
protection systems
systems
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.)
Pending
Application number
GB909021188A
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.)
Telektron Ltd
Original Assignee
Telektron 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 Telektron Ltd filed Critical Telektron Ltd
Priority to GB909021188A priority Critical patent/GB9021188D0/en
Publication of GB9021188D0 publication Critical patent/GB9021188D0/en
Priority to GB9120558A priority patent/GB2248343B/en
Pending legal-status Critical Current

Links

GB909021188A 1990-09-28 1990-09-28 Membranes keyboard for pressurisation protection systems Pending GB9021188D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB909021188A GB9021188D0 (en) 1990-09-28 1990-09-28 Membranes keyboard for pressurisation protection systems
GB9120558A GB2248343B (en) 1990-09-28 1991-09-27 Pressurisation protection system with keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909021188A GB9021188D0 (en) 1990-09-28 1990-09-28 Membranes keyboard for pressurisation protection systems

Publications (1)

Publication Number Publication Date
GB9021188D0 true GB9021188D0 (en) 1990-11-14

Family

ID=10682940

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909021188A Pending GB9021188D0 (en) 1990-09-28 1990-09-28 Membranes keyboard for pressurisation protection systems
GB9120558A Expired - Fee Related GB2248343B (en) 1990-09-28 1991-09-27 Pressurisation protection system with keyboard

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9120558A Expired - Fee Related GB2248343B (en) 1990-09-28 1991-09-27 Pressurisation protection system with keyboard

Country Status (1)

Country Link
GB (2) GB9021188D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994018686A1 (en) * 1993-02-03 1994-08-18 A-Dec, Inc. Control panel with sealed switch keypad
IT235022Y1 (en) * 1994-05-20 2000-03-31 Zanussi Elettrodomestici REFRIGERATOR OR FREEZER WITH ANTI-COMBUSTION PANEL
DE102008018074A1 (en) * 2008-04-09 2009-10-15 Emerson Process Management Gmbh & Co. Ohg Explosion-proof control arrangement with an explosion-proof housing
US9307816B2 (en) * 2013-09-04 2016-04-12 Apple Inc. Accessory covers for mobile phones or other consumer electronic devices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3584162A (en) * 1970-02-16 1971-06-08 Ibm Electrical keyboard switch mechanism with improved resilient diaphragm contact actuator
US3978297A (en) * 1975-03-31 1976-08-31 Chomerics, Inc. Keyboard switch assembly with improved pushbutton and associated double snap acting actuator/contactor structure
DE8302660U1 (en) * 1983-02-01 1983-06-16 Hans Widmaier Fabrik Fuer Apparate Der Fernmelde- Und Feinwerktechnik, 8000 Muenchen Key arrangement for triggering certain symbols of the key surface in each case assigned switching functions or switching signals.
GB2165696A (en) * 1984-10-11 1986-04-16 Immediate Business Systems Plc Keyboards
FR2647588B1 (en) * 1989-05-23 1996-07-19 Moulinex Sa SWITCHING KEYBOARD FOR CONTROL PANEL OF AN ELECTRICAL APPARATUS

Also Published As

Publication number Publication date
GB9120558D0 (en) 1991-11-06
GB2248343A (en) 1992-04-01
GB2248343B (en) 1994-04-27

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