SE9100278L - Hoertelefon - Google Patents

Hoertelefon

Info

Publication number: SE9100278L
Authority: SE; Sweden
Prior art keywords: electrostatic discharge; voice coil; receiver; vibrator plate; plate
Prior art date: 1990-02-08

Application number

SE9100278A

Other languages

Unknown language ( )

English (en)

Swedish (sv)

Other versions

SE9100278D0 (sv

Inventor

T Yamaguchi

Original Assignee

Mitel Corp

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.)

1990-02-08

Filing date

1991-01-29

Publication date

1991-08-09

1991-01-29 Application filed by Mitel Corp filed Critical Mitel Corp

1991-01-29 Publication of SE9100278D0 publication Critical patent/SE9100278D0/xx

1991-08-09 Publication of SE9100278L publication Critical patent/SE9100278L/

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/10—Telephone receivers

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Telephone Set Structure (AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)

SE9100278A 1990-02-08 1991-01-29 Hoertelefon SE9100278L (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1990011759U JPH0733519Y2 (ja)	1990-02-08	1990-02-08	受話器

Publications (2)

Publication Number	Publication Date
SE9100278D0 SE9100278D0 (sv)	1991-01-29
SE9100278L true SE9100278L (sv)	1991-08-09

Family

ID=11786912

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9100278A SE9100278L (sv)	1990-02-08	1991-01-29	Hoertelefon

Country Status (7)

Country	Link
US (1)	US5440630A (2)
JP (1)	JPH0733519Y2 (2)
CA (1)	CA2034898C (2)
DE (1)	DE4103509C2 (2)
GB (1)	GB2241628B (2)
IT (1)	IT1245123B (2)
SE (1)	SE9100278L (2)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2790421B2 (ja) *	1993-10-25	1998-08-27	スター精密株式会社	電気音響変換器及びその製造方法
US6078675A (en) *	1995-05-18	2000-06-20	Gn Netcom A/S	Communication system for users of hearing aids
US6738483B1 (en) *	1999-10-12	2004-05-18	Sonic Systems, Inc.	Overhead loudspeaker systems
AU2001285674A1 (en) *	2000-07-10	2002-01-21	Delong Chi	Low-radiation receiver and mobile phone
US8340336B1 (en) *	2006-01-25	2012-12-25	At&T Mobility Ii Llc	Magnetic coupling enhanced speaker assembly
JP5016376B2 (ja) *	2007-05-21	2012-09-05	中央紙器工業株式会社	二方差し段ボール製パレットの桁部材
JP2010278842A (ja) *	2009-05-29	2010-12-09	Kenwood Corp	イヤホン
CN104168527B (zh) *	2014-08-26	2017-08-18	歌尔股份有限公司	微型扬声器
CN206341409U (zh) *	2016-12-12	2017-07-18	瑞声科技(新加坡)有限公司	发声单体

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1129537B (de) *	1960-11-14	1962-05-17	Krone Kg	Elektrodynamischer Wandler der Fernmeldetechnik
DE1172729B (de) *	1963-06-28	1964-06-25	Heinrich Peiker	Gegen Feuchtigkeit und Staub, insbesondere Eisenstaub, geschuetzter dynamischer Schallwandler
JPS6291046A (ja) *	1985-10-16	1987-04-25	Matsushita Electric Ind Co Ltd	静電気吸収形ハンドセツト
DE3538054C3 (de) *	1985-10-25	1997-01-23	Siemens Ag	Innerhalb eines Handapparates eines Fernsprechgerätes angeordneter elektroakustischer Wandler
US4868876A (en) *	1986-05-27	1989-09-19	Siemens Aktiengesellschaft	Electrostatic discharge protection device
DE3617734A1 (de) *	1986-05-27	1987-12-03	Siemens Ag	Vorrichtung zum schutz von elektrischen geraeten und der bedienungsperson bei hoher elektrostatischer aufladung der bedienungsperson
DE3634619A1 (de) *	1986-10-10	1988-04-14	Siemens Ag	Anordnung zum schutz vor spannungsueberschlaegen bei handapparaten der fernsprechtechnik
DE3634658A1 (de) *	1986-10-10	1988-04-14	Siemens Ag	Anordnung zum schutz vor spannungsueberschlaegen bei handapparaten der fernsprechtechnik
DE3634620A1 (de) *	1986-10-10	1988-04-14	Siemens Ag	Anordnung zum schutz vor spannungsueberschlaegen bei handapparaten der fernsprechtechnik
JPS63268400A (ja) *	1987-04-27	1988-11-07	Matsushita Electric Ind Co Ltd	動電型送・受話ユニツト
FR2629662B1 (fr) *	1988-04-01	1991-05-10	Horlogerie Photograph Fse	Capsule electroacoustique a bobine rapportee
CA1336339C (en) *	1988-06-30	1995-07-18	Masaru Inagaki	Telephone handset with electrostatic discharge prevention
DE3902683C2 (de) *	1989-01-30	1996-09-05	Siemens Ag	Fernsprechstation
DK164621C (da) *	1989-10-09	1992-12-07	Kirk Acoustics As	Elektrodynamisk transducer

1990
- 1990-02-08 JP JP1990011759U patent/JPH0733519Y2/ja not_active Expired - Lifetime
1991
- 1991-01-24 CA CA002034898A patent/CA2034898C/en not_active Expired - Fee Related
- 1991-01-29 SE SE9100278A patent/SE9100278L/ not_active Application Discontinuation
- 1991-01-31 IT ITMI910232A patent/IT1245123B/it active IP Right Grant
- 1991-02-06 DE DE4103509A patent/DE4103509C2/de not_active Expired - Fee Related
- 1991-02-07 GB GB9102605A patent/GB2241628B/en not_active Expired - Fee Related
1994
- 1994-02-18 US US08/198,537 patent/US5440630A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
ITMI910232A0 (it)	1991-01-31
DE4103509A1 (de)	1991-09-12
SE9100278D0 (sv)	1991-01-29
GB2241628B (en)	1994-06-01
GB9102605D0 (en)	1991-03-27
ITMI910232A1 (it)	1992-07-31
JPH0733519Y2 (ja)	1995-07-31
DE4103509C2 (de)	1993-11-18
IT1245123B (it)	1994-09-13
US5440630A (en)	1995-08-08
CA2034898C (en)	1995-04-18
JPH03103695U (2)	1991-10-28
GB2241628A (en)	1991-09-04

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Legal Events

Date

Code

Title

Description

1995-02-28

NAV

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