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EP 0289264 A1 19881102 - Electromagnetic sounding device.

Title (en)

Electromagnetic sounding device.

Title (de)

Elektromagnetischer Schallerzeuger.

Title (fr)

Générateur de son électromagnétique.

Publication

EP 0289264 A1 19881102 (EN)

Application

EP 88303750 A 19880426

Priority

JP 6694487 U 19870501

Abstract (en)

An electromagnetic sounding device applicable to a paging receiver or like radio receiver has a miniature and thin configuration and is stably operable even when subjected to a substantial magnitude of impact.

IPC 1-7

G10K 9/13

IPC 8 full level

B06B 1/04 (2006.01); G10K 9/13 (2006.01); H04R 13/00 (2006.01)

CPC (source: EP KR)

B06B 1/045 (2013.01 - EP); G10K 9/13 (2013.01 - EP); H04R 13/00 (2013.01 - KR)

Citation (search report)

[X] US 4413253 A 19831101 - HOFER ALAN [US], et al
[Y] US 4251807 A 19810217 - HOFER ALAN, et al
[A] DE 2402288 A1 19750724 - FICHTER KG

Designated contracting state (EPC)

GB NL SE

DOCDB simple family (publication)

EP 0289264 A1 19881102; EP 0289264 B1 19920617; JP H0452797 Y2 19921211; JP S63173293 U 19881110; KR 880014833 A 19881224; KR 910007845 B1 19911002

DOCDB simple family (application)

EP 88303750 A 19880426; JP 6694487 U 19870501; KR 880005032 A 19880430