FI823540A0 - HOEGTALARE - Google Patents

HOEGTALARE

Info

Publication number
FI823540A0
FI823540A0 FI823540A FI823540A FI823540A0 FI 823540 A0 FI823540 A0 FI 823540A0 FI 823540 A FI823540 A FI 823540A FI 823540 A FI823540 A FI 823540A FI 823540 A0 FI823540 A0 FI 823540A0
Authority
FI
Finland
Prior art keywords
hoegtalare
Prior art date
Application number
FI823540A
Other languages
Finnish (fi)
Inventor
Pekka Saastamoinen
Kimmo Leskinen
Original Assignee
Polarpro 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.)
Filing date
Publication date
Application filed by Polarpro Oy filed Critical Polarpro Oy
Priority to FI823540A priority Critical patent/FI823540A0/en
Publication of FI823540A0 publication Critical patent/FI823540A0/en
Priority to EP19830903296 priority patent/EP0141813A1/en
Priority to PCT/FI1983/000065 priority patent/WO1984001681A1/en
Priority to DK295384A priority patent/DK295384A/en
Priority to FI843857A priority patent/FI76664C/en

Links

FI823540A 1982-10-18 1982-10-18 HOEGTALARE FI823540A0 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI823540A FI823540A0 (en) 1982-10-18 1982-10-18 HOEGTALARE
EP19830903296 EP0141813A1 (en) 1982-10-18 1983-10-17 Loudspeaker
PCT/FI1983/000065 WO1984001681A1 (en) 1982-10-18 1983-10-17 Loudspeaker
DK295384A DK295384A (en) 1982-10-18 1984-06-15 SPEAKER
FI843857A FI76664C (en) 1982-10-18 1984-10-02 Speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI823540A FI823540A0 (en) 1982-10-18 1982-10-18 HOEGTALARE

Publications (1)

Publication Number Publication Date
FI823540A0 true FI823540A0 (en) 1982-10-18

Family

ID=8516169

Family Applications (1)

Application Number Title Priority Date Filing Date
FI823540A FI823540A0 (en) 1982-10-18 1982-10-18 HOEGTALARE

Country Status (4)

Country Link
EP (1) EP0141813A1 (en)
DK (1) DK295384A (en)
FI (1) FI823540A0 (en)
WO (1) WO1984001681A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2612721B1 (en) * 1987-03-16 1989-06-16 Hautreux Francois ACOUSTIC SPEAKER ACCORDING TO THE SPEAKER FREQUENCY
IT239248Y1 (en) * 1995-09-13 2001-02-26 Autosonik Spa REAR PROTECTION FOR SPEAKERS
US7551062B2 (en) 2005-03-14 2009-06-23 American Technology Corporation Directional acoustic device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1812213A (en) * 1927-03-30 1931-06-30 United Reproducers Corp Loud speaker
US1841101A (en) * 1930-03-06 1932-01-12 Bell Telephone Labor Inc Loud speaker
US2065751A (en) * 1935-12-31 1936-12-29 Rca Corp Acoustic resistance device
DE726436C (en) * 1937-01-23 1942-10-14 Philips Patentverwaltung Loudspeaker in a box with an acoustic resistor
US2713396A (en) * 1950-05-24 1955-07-19 Ernest A Tavares Novel, small, extended low frequency response, loudspeaker enclosure
US2991840A (en) * 1957-09-12 1961-07-11 Glenn C Van Camp Sound reproducer
US3953675A (en) * 1972-05-08 1976-04-27 Babbco, Ltd. Audio speaker system
HU173844B (en) * 1976-09-15 1979-09-28 Elektroakusztikai Gyar Cardioid acoustic radiator

Also Published As

Publication number Publication date
WO1984001681A1 (en) 1984-04-26
DK295384D0 (en) 1984-06-15
DK295384A (en) 1984-06-15
EP0141813A1 (en) 1985-05-22

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: POLARPRO OY