EP 0038501 B1 19840704 - PUSH-BUTTON BLOCK
Title (en)
PUSH-BUTTON BLOCK
Publication
Application
Priority
DE 3015292 A 19800421
Abstract (en)
[origin: ES8202460A1] A key assembly for receivers for communication systems, especially radio and television receivers, comprises a casing, keys adapted for mutual release by means of a spring-loaded locking plate for switching in storable, selectively adjustable electrical values of channel memories consisting of a plurality of voltage dividers for variable capacitance diode tuning, rotary and slidable press buttons associated with the respective keys for channel tuning and optionally for selecting a frequency range, which is adjustable in a preferably pressed position of the rotary press button being different from the tuning position by turning into various locking angular positions, as well as a channel and frequency range indicator scale. According to the invention said indicator scale simultaneously is the locking plate for the keys.
IPC 1-7
IPC 8 full level
H03J 5/12 (2006.01); H01H 13/74 (2006.01)
CPC (source: EP US)
H01H 13/74 (2013.01 - EP US)
Designated contracting state (EPC)
FR GB IT
DOCDB simple family (publication)
EP 0038501 A2 19811028; EP 0038501 A3 19820512; EP 0038501 B1 19840704; DE 3015292 A1 19811022; DE 3015292 C2 19851017; ES 501526 A0 19820201; ES 8202460 A1 19820201; JP S56166623 A 19811221; JP S647692 B2 19890209; US 4368441 A 19830111
DOCDB simple family (application)
EP 81102802 A 19810411; DE 3015292 A 19800421; ES 501526 A 19810421; JP 5931281 A 19810421; US 25463581 A 19810416