HK80797A - Confidential keyboard using a tactile touch and use of the keyboard - Google Patents

Confidential keyboard using a tactile touch and use of the keyboard

Info

Publication number
HK80797A
HK80797A HK80797A HK80797A HK80797A HK 80797 A HK80797 A HK 80797A HK 80797 A HK80797 A HK 80797A HK 80797 A HK80797 A HK 80797A HK 80797 A HK80797 A HK 80797A
Authority
HK
Hong Kong
Prior art keywords
keyboard
confidential
tactile touch
tactile
touch
Prior art date
Application number
HK80797A
Inventor
Henri Buys
Original Assignee
Bull Sa
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 Bull Sa filed Critical Bull Sa
Publication of HK80797A publication Critical patent/HK80797A/en

Links

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
    • H01H13/702—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
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/01—Off centre actuation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/058—Optical grid, collimator or microlouver
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/05—Force concentrator; Actuating dimple
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/006—Bank automat; Cash register; Vending machine
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/032—Anti-tamper
HK80797A 1989-02-06 1997-06-12 Confidential keyboard using a tactile touch and use of the keyboard HK80797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8901473A FR2642895A1 (en) 1989-02-06 1989-02-06 CONFIDENTIAL KEYBOARD WITH TOUCH EFFECT AND USE OF KEYBOARD

Publications (1)

Publication Number Publication Date
HK80797A true HK80797A (en) 1997-06-20

Family

ID=9378492

Family Applications (1)

Application Number Title Priority Date Filing Date
HK80797A HK80797A (en) 1989-02-06 1997-06-12 Confidential keyboard using a tactile touch and use of the keyboard

Country Status (5)

Country Link
EP (1) EP0382622B1 (en)
DE (1) DE69007825T2 (en)
ES (1) ES2055351T3 (en)
FR (1) FR2642895A1 (en)
HK (1) HK80797A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685537A1 (en) * 1991-12-23 1993-06-25 Levin Laurent Device for formulating a secret code in complete confidentiality in an open environment
US6144319A (en) * 1994-02-25 2000-11-07 International Business Machines Corporation Anti-surveillance device for keyboards
DK15895A (en) * 1995-02-10 1996-08-11 Ib Groenbjerg Magnetic Card Device Display

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2242909A5 (en) * 1973-07-12 1975-03-28 Lussato Bruno Electronic calculator with alpha-numeric display - numerical input at centre is surrounded by operation keys
US4263485A (en) * 1979-10-15 1981-04-21 Beckman Instruments, Inc. Keyboard of membrane switches with tactile feedback
US4644326A (en) * 1983-06-03 1987-02-17 Secure Keyboards Limited Unitary key panel

Also Published As

Publication number Publication date
DE69007825D1 (en) 1994-05-11
EP0382622B1 (en) 1994-04-06
FR2642895A1 (en) 1990-08-10
EP0382622A1 (en) 1990-08-16
DE69007825T2 (en) 1994-08-04
ES2055351T3 (en) 1994-08-16

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Legal Events

Date Code Title Description
AS Change of ownership

Owner name: CP8 TRANSAC

Free format text: FORMER OWNER(S): BULL S.A

AS Change of ownership

Owner name: CP8 TECHNOLOGIES

Free format text: FORMER OWNER(S): BULL CP8

CHPA Change of a particular in the register (except of change of ownership)
PF Patent in force
PE Patent expired

Effective date: 20100204