NL183558C - Reflex-hoornluidspreker. - Google Patents

Reflex-hoornluidspreker.

Info

Publication number
NL183558C
NL183558C NLAANVRAGE8006220,A NL8006220A NL183558C NL 183558 C NL183558 C NL 183558C NL 8006220 A NL8006220 A NL 8006220A NL 183558 C NL183558 C NL 183558C
Authority
NL
Netherlands
Prior art keywords
reflex
hearing
speaker
hearing speaker
reflex hearing
Prior art date
Application number
NLAANVRAGE8006220,A
Other languages
English (en)
Other versions
NL183558B (nl
NL8006220A (nl
Original Assignee
Ibuki Kogyo Co Ltd
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 Ibuki Kogyo Co Ltd filed Critical Ibuki Kogyo Co Ltd
Publication of NL8006220A publication Critical patent/NL8006220A/nl
Publication of NL183558B publication Critical patent/NL183558B/nl
Application granted granted Critical
Publication of NL183558C publication Critical patent/NL183558C/nl

Links

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
    • H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone
    • 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 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
NLAANVRAGE8006220,A 1980-05-28 1980-11-13 Reflex-hoornluidspreker. NL183558C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7100980A JPS56166698A (en) 1980-05-28 1980-05-28 Reflex horn speaker with waterproofing device
JP7100980 1980-05-28

Publications (3)

Publication Number Publication Date
NL8006220A NL8006220A (nl) 1982-01-04
NL183558B NL183558B (nl) 1988-06-16
NL183558C true NL183558C (nl) 1988-11-16

Family

ID=13448068

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8006220,A NL183558C (nl) 1980-05-28 1980-11-13 Reflex-hoornluidspreker.

Country Status (7)

Country Link
US (1) US4385211A (nl)
JP (1) JPS56166698A (nl)
DE (1) DE3047073C2 (nl)
GB (1) GB2078056B (nl)
NL (1) NL183558C (nl)
NO (1) NO155870C (nl)
SE (1) SE437103B (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4982436A (en) * 1988-12-05 1991-01-01 Gai-Tronics Dual horn folded soundpath loudspeaker
KR100540981B1 (ko) * 2003-03-07 2006-01-11 송종석 혼스피커
JP2005141079A (ja) * 2003-11-07 2005-06-02 Patoraito:Kk 音声信号報知装置およびそれを備えた警光灯
US10261167B2 (en) 2014-09-22 2019-04-16 Symbol Technologies, Llc Co-located locationing technologies
CN111447538B (zh) * 2020-04-14 2021-05-07 吉林师范大学 对外汉语翻译机的辅助扩音装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2290968A (en) * 1939-11-03 1942-07-28 Lorenz C Ag Loud-speaker
US2981359A (en) * 1958-03-05 1961-04-25 Ling Temco Electronics Inc Reflex horn loudspeaker
US3260990A (en) * 1962-01-03 1966-07-12 Dynamics Corp America Electroacoustic transducer
US4071111A (en) * 1976-04-28 1978-01-31 Acoustic Fiber Sound Systems, Inc. Weatherproof loudspeaker assembly and method of making same

Also Published As

Publication number Publication date
GB2078056B (en) 1984-08-30
NL183558B (nl) 1988-06-16
NL8006220A (nl) 1982-01-04
DE3047073A1 (de) 1981-12-03
JPS56166698A (en) 1981-12-21
SE8008099L (sv) 1981-11-29
DE3047073C2 (de) 1983-12-29
GB2078056A (en) 1981-12-23
US4385211A (en) 1983-05-24
NO155870C (no) 1987-06-10
JPS6250039B2 (nl) 1987-10-22
NO803305L (no) 1981-11-30
NO155870B (no) 1987-03-02
SE437103B (sv) 1985-02-04

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee