GB8320294D0 - Keyboard input devices - Google Patents

Keyboard input devices

Info

Publication number
GB8320294D0
GB8320294D0 GB838320294A GB8320294A GB8320294D0 GB 8320294 D0 GB8320294 D0 GB 8320294D0 GB 838320294 A GB838320294 A GB 838320294A GB 8320294 A GB8320294 A GB 8320294A GB 8320294 D0 GB8320294 D0 GB 8320294D0
Authority
GB
United Kingdom
Prior art keywords
input devices
keyboard input
keyboard
devices
input
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
GB838320294A
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.)
PANORAMA OFFICE SYSTEMS Ltd
Original Assignee
PANORAMA OFFICE SYSTEMS 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 PANORAMA OFFICE SYSTEMS Ltd filed Critical PANORAMA OFFICE SYSTEMS Ltd
Priority to GB838320294A priority Critical patent/GB8320294D0/en
Publication of GB8320294D0 publication Critical patent/GB8320294D0/en
Priority to PCT/GB1984/000255 priority patent/WO1985000713A1/en
Priority to EP19840902811 priority patent/EP0151597A1/en
Priority to AU31532/84A priority patent/AU3153284A/en
Pending legal-status Critical Current

Links

GB838320294A 1983-07-27 1983-07-27 Keyboard input devices Pending GB8320294D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB838320294A GB8320294D0 (en) 1983-07-27 1983-07-27 Keyboard input devices
PCT/GB1984/000255 WO1985000713A1 (en) 1983-07-27 1984-07-19 Keyboard input devices
EP19840902811 EP0151597A1 (en) 1983-07-27 1984-07-19 Keyboard input devices
AU31532/84A AU3153284A (en) 1983-07-27 1984-07-19 Keyboard input devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838320294A GB8320294D0 (en) 1983-07-27 1983-07-27 Keyboard input devices

Publications (1)

Publication Number Publication Date
GB8320294D0 true GB8320294D0 (en) 1983-09-01

Family

ID=10546392

Family Applications (1)

Application Number Title Priority Date Filing Date
GB838320294A Pending GB8320294D0 (en) 1983-07-27 1983-07-27 Keyboard input devices

Country Status (4)

Country Link
EP (1) EP0151597A1 (en)
AU (1) AU3153284A (en)
GB (1) GB8320294D0 (en)
WO (1) WO1985000713A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2599525B1 (en) * 1986-06-02 1988-07-29 Dassault Electronique SECURITY KEYBOARD UNIT, PARTICULARLY FOR COMPOSING A CONFIDENTIAL CODE
DE4111329C1 (en) * 1991-04-08 1992-12-24 S. Siedle & Soehne Telefon- Und Telegrafenwerke Stiftung & Co, 7743 Furtwangen, De Keyboard scanning appts. for detecting key depressions - identifies key from return line and from temporal location of pulse on line, using shift register and processor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199750A (en) * 1975-11-10 1980-04-22 Hitachi, Ltd. Key input circuit capable of roll-over operation
US4222038A (en) * 1978-02-24 1980-09-09 Motorola, Inc. Microcomputer keyboard input circuitry
CH625072A5 (en) * 1978-03-08 1981-08-31 Landis & Gyr Ag

Also Published As

Publication number Publication date
AU3153284A (en) 1985-03-04
EP0151597A1 (en) 1985-08-21
WO1985000713A1 (en) 1985-02-14

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