NL193041B - Microphone system. - Google Patents

Microphone system.

Info

Publication number
NL193041B
NL193041B NL8600996A NL8600996A NL193041B NL 193041 B NL193041 B NL 193041B NL 8600996 A NL8600996 A NL 8600996A NL 8600996 A NL8600996 A NL 8600996A NL 193041 B NL193041 B NL 193041B
Authority
NL
Netherlands
Prior art keywords
microphone system
microphone
Prior art date
Application number
NL8600996A
Other languages
Dutch (nl)
Other versions
NL8600996A (en
NL193041C (en
Original Assignee
Shure Brothers
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 Shure Brothers filed Critical Shure Brothers
Publication of NL8600996A publication Critical patent/NL8600996A/en
Publication of NL193041B publication Critical patent/NL193041B/en
Application granted granted Critical
Publication of NL193041C publication Critical patent/NL193041C/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
    • H04M3/569—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants using the instant speaker's algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • 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
    • H04R1/326—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers
NL8600996A 1985-04-19 1986-04-18 Microphone system. NL193041C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72530285A 1985-04-19 1985-04-19
US72530285 1985-04-19

Publications (3)

Publication Number Publication Date
NL8600996A NL8600996A (en) 1986-11-17
NL193041B true NL193041B (en) 1998-04-01
NL193041C NL193041C (en) 1998-08-04

Family

ID=24913986

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8600996A NL193041C (en) 1985-04-19 1986-04-18 Microphone system.

Country Status (7)

Country Link
JP (1) JPS61242499A (en)
AT (2) AT388480B (en)
CA (1) CA1256036A (en)
DE (1) DE3612708A1 (en)
FR (1) FR2580882B1 (en)
GB (1) GB2174268B (en)
NL (1) NL193041C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0271948A3 (en) * 1986-12-16 1989-05-03 Alcatel N.V. Telecommunication circuit
DE3734447C1 (en) * 1987-10-12 1989-05-18 Telefonbau & Normalzeit Gmbh Conference speakerphone
DE69224680T2 (en) * 1991-05-29 1998-09-17 Koninkl Philips Electronics Nv Electroacoustic amplifier arrangement and microphone arrangement for use in the electroacoustic amplifier arrangement
KR100233166B1 (en) * 1997-07-04 1999-12-01 윤종용 Handfree device having multi-mike and control method
US11039260B2 (en) 2019-09-19 2021-06-15 Jerry Mirsky Communication system for controlling the sequence and duration of speeches at public debates

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751602A (en) * 1971-08-13 1973-08-07 Bell Telephone Labor Inc Loudspeaking telephone
JPS4933601A (en) * 1972-07-24 1974-03-28
US4008376A (en) * 1975-10-17 1977-02-15 Bell Telephone Laboratories, Incorporated Loudspeaking teleconferencing circuit
US4090032A (en) * 1976-05-05 1978-05-16 Wm. A. Holmin Corporation Control system for audio amplifying system having multiple microphones
CA1050154A (en) * 1977-01-14 1979-03-06 Conrad D. Lafrance Telephone conferencing apparatus
FR2390864A1 (en) * 1977-05-09 1978-12-08 France Etat AUDIOCONFERENCE SYSTEM BY TELEPHONE LINK
US4359602A (en) * 1979-01-17 1982-11-16 Ponto Robert A Multiple input audio program system
US4449238A (en) * 1982-03-25 1984-05-15 Bell Telephone Laboratories, Incorporated Voice-actuated switching system
JPS5977710A (en) * 1982-10-02 1984-05-04 Fujitsu Ltd Microphone amplifier circuit

Also Published As

Publication number Publication date
AT389202B (en) 1989-11-10
JPS61242499A (en) 1986-10-28
DE3612708A1 (en) 1986-10-23
AT388480B (en) 1989-06-26
FR2580882B1 (en) 1993-12-10
FR2580882A1 (en) 1986-10-24
ATA172888A (en) 1989-03-15
NL8600996A (en) 1986-11-17
CA1256036A (en) 1989-06-20
GB2174268A (en) 1986-10-29
CA1263608C (en) 1989-12-05
GB8606874D0 (en) 1986-04-23
NL193041C (en) 1998-08-04
GB2174268B (en) 1989-12-06
ATA103086A (en) 1988-11-15

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Legal Events

Date Code Title Description
BA 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
TNT Modifications of names of proprietors of patents or applicants of examined patent applications

Owner name: SHURE INCORPORATED

V4 Discontinued because of reaching the maximum lifetime of a patent

Effective date: 20060418