DK27783A - SPEAKER - Google Patents

SPEAKER Download PDF

Info

Publication number: DK27783A
Authority: DK; Denmark
Prior art keywords: speaker
Prior art date: 1982-01-26

Application number

DK27783A

Other languages

Danish (da)

Other versions

DK27783D0 (en

Inventor

Jorma Uolevi Salmi

Carl Anders Mikael Weckstroem

Original Assignee

Lohja Ab Oy

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.)

1982-01-26

Filing date

1983-01-25

Publication date

1983-07-27

1983-01-25 Application filed by Lohja Ab Oy filed Critical Lohja Ab Oy

1983-01-25 Publication of DK27783D0 publication Critical patent/DK27783D0/en

1983-07-27 Publication of DK27783A publication Critical patent/DK27783A/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks

Landscapes

Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
General Health & Medical Sciences (AREA)
Circuit For Audible Band Transducer (AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

DK27783A 1982-01-26 1983-01-25 SPEAKER DK27783A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI820231A FI63313C (en)	1982-01-26	1982-01-26	HOEGTALARE

Publications (2)

Publication Number	Publication Date
DK27783D0 DK27783D0 (en)	1983-01-25
DK27783A true DK27783A (en)	1983-07-27

Family

ID=8515044

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK27783A DK27783A (en)	1982-01-26	1983-01-25	SPEAKER

Country Status (4)

Country	Link
DE (1)	DE3302394A1 (en)
DK (1)	DK27783A (en)
FI (1)	FI63313C (en)
SE (1)	SE8300371L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GR980100265A (en) *	1998-07-08	2000-03-31		Electroacoustic transformer with increased low frequency bandwidth with the use of a transparent, finite limit not passed by sounds
US20090290724A1 (en) *	2006-07-13	2009-11-26	David Magda Eddy Corynen	Loudspeaker system and loudspeaker having a tweeter array
CN104023296A (en) *	2014-06-19	2014-09-03	深圳市中兴移动通信有限公司	Sound output method and device and mobile terminal

1982
- 1982-01-26 FI FI820231A patent/FI63313C/en not_active IP Right Cessation
1983
- 1983-01-25 DK DK27783A patent/DK27783A/en not_active Application Discontinuation
- 1983-01-25 DE DE19833302394 patent/DE3302394A1/en not_active Withdrawn
- 1983-01-25 SE SE8300371A patent/SE8300371L/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
SE8300371L (en)	1983-07-27
FI63313B (en)	1983-01-31
FI63313C (en)	1983-05-10
SE8300371D0 (en)	1983-01-25
DE3302394A1 (en)	1983-08-11
DK27783D0 (en)	1983-01-25

Publication	Publication Date	Title
KR840006480U (en)	1984-12-03	Speaker device
DE3382241D1 (en)	1991-05-08	SPEAKER.
DK595883A (en)	1984-06-25	SPEAKER
BE895653A (en)	1983-05-16	KATALYTISCHE VERBRANDER
DK320783D0 (en)	1983-07-12	CLAIM
FR2538204B1 (en)	1986-05-16	EARPHONE MITTLE
DK161295C (en)	1991-12-30	SPEAKER COMBINATION
FI832463L (en)	1984-01-07	KARMHYLSA
FI840850A0 (en)	1984-03-02	ACOUSTIC ANORDING
DK295384A (en)	1984-06-15	SPEAKER
DK27783A (en)	1983-07-27	SPEAKER
BE894865A (en)	1983-04-29	BIERTRANSPORTWAGEN
BE895921A (en)	1983-06-16	STERILET
KR840003528U (en)	1984-07-25	headphone
AT373020B (en)	1983-12-12	ARMORIES
AT381170B (en)	1986-09-10	HYPSOMETER
AT382452B (en)	1987-02-25	TURNTUBES
BE895597A (en)	1983-05-02	VERWARMINGSSTELSEL
BR8207106A (en)	1984-07-17	SPEAKER IMPROVEMENT
KR840003527U (en)	1984-07-25	Headphone
KR850003594U (en)	1985-06-17	speaker
KR840002501U (en)	1984-06-27	Loudspeaker Unit
SE8206606D0 (en)	1982-11-19	FIXED SPEAKER SYSTEM
KR830000823U (en)	1983-08-03	Speaker
DK258183D0 (en)	1983-06-07	MICROPHONE SYSTEM

Legal Events

Date	Code	Title	Description
1986-10-27	AHB	Application shelved due to non-payment