Title:
少なくとも1つの屈曲部を有するばね接点を具える電気音響変換器
Document Type and Number:
Japanese Patent JP4011630
Kind Code:
B2
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Inventors:
Frasle Ewald
Klein Erich
Roubert Ernst
Klein Erich
Roubert Ernst
Application Number:
JP52923998A
Publication Date:
November 21, 2007
Filing Date:
February 05, 1998
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
H04R9/02; H04R1/06; H04R9/00
Domestic Patent References:
| JP48090631U |
Attorney, Agent or Firm:
Kosaku Sugimura
Junko Sugimura
Hiroshi Tokunaga
Kazuaki Takami
Umemoto Masao
Junko Sugimura
Hiroshi Tokunaga
Kazuaki Takami
Umemoto Masao