EP 1078822 A3 20040825 - Keyboard
Title (en)
Keyboard
Title (de)
Eingabetastatur
Title (fr)
Clavier
Publication
Application
Priority
DE 19939469 A 19990820
Abstract (en)
[origin: EP1078822A2] The device includes user-operated keys (2,3,4,6,7,8,11), a switch that is switchable between two states by key operation, a management circuit (13,14,15) for monitoring the operation of the keys and outputting a monitoring result signal to the computer (12). The management circuit does not output a result signal while the state of the switch remains unchanged, or changes over from the state associated with the operated key to the state associated with a non-operated key. The management circuit outputs a result signal if the switching contact changes over from the state associated with the non-operated key to the state associated with the operated key. A bus such as a CAN or USB (16) may be used for the communication with the computer.
IPC 1-7
IPC 8 full level
H01H 13/70 (2006.01)
CPC (source: EP)
H01H 13/70 (2013.01); H01H 2239/026 (2013.01); H01H 2239/03 (2013.01)
Citation (search report)
- [A] EP 0283404 A2 19880921 - FUJITSU LTD [JP]
- [A] DE 9404382 U1 19940511 - DEWERT ANTRIEBS SYSTEMTECH [DE]
- [A] DE 19753742 A1 19990610 - GRUNDIG AG [DE]
- [A] EP 0600119 A1 19940608 - AWAG A WIDMER AG [CH]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DE 19939469 A1 20010222; DE 50013027 D1 20060803; EP 1078822 A2 20010228; EP 1078822 A3 20040825; EP 1078822 B1 20060621
DOCDB simple family (application)
DE 19939469 A 19990820; DE 50013027 T 20000720; EP 00115622 A 20000720