CH502045A - Electro-acoustic transmission device with a number of separate transmission channels for a hall - Google Patents

Electro-acoustic transmission device with a number of separate transmission channels for a hall

Info

Publication number
CH502045A
CH502045A CH134969A CH134969A CH502045A CH 502045 A CH502045 A CH 502045A CH 134969 A CH134969 A CH 134969A CH 134969 A CH134969 A CH 134969A CH 502045 A CH502045 A CH 502045A
Authority
CH
Switzerland
Prior art keywords
hall
electro
transmission device
separate
acoustic
Prior art date
Application number
CH134969A
Other languages
German (de)
Inventor
Valentinus Franssen Nico
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH502045A publication Critical patent/CH502045A/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/08—Arrangements for producing a reverberation or echo sound
    • G10K15/10—Arrangements for producing a reverberation or echo sound using time-delay networks comprising electromechanical or electro-acoustic devices
    • 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
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/007—Electronic adaptation of audio signals to reverberation of the listening space for PA
CH134969A 1968-02-01 1969-01-29 Electro-acoustic transmission device with a number of separate transmission channels for a hall CH502045A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6801448A NL6801448A (en) 1968-02-01 1968-02-01

Publications (1)

Publication Number Publication Date
CH502045A true CH502045A (en) 1971-01-15

Family

ID=19802648

Family Applications (1)

Application Number Title Priority Date Filing Date
CH134969A CH502045A (en) 1968-02-01 1969-01-29 Electro-acoustic transmission device with a number of separate transmission channels for a hall

Country Status (10)

Country Link
AT (1) AT289227B (en)
BE (1) BE727701A (en)
CA (1) CA918080A (en)
CH (1) CH502045A (en)
DE (1) DE1903661A1 (en)
ES (1) ES363113A1 (en)
FR (1) FR2001114A1 (en)
GB (1) GB1259512A (en)
NL (1) NL6801448A (en)
SE (1) SE360538B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3796832A (en) * 1972-06-02 1974-03-12 C Jaffe Sound enhancing system
NL7901120A (en) * 1979-02-13 1980-08-15 Philips Nv SOUND SYSTEM FOR ARTIFICIAL NAIL.
SE418665B (en) * 1979-10-16 1981-06-15 Gustav Georg Arne Bolin WAY TO IMPROVE Acoustics in a room
DE4218105A1 (en) * 1992-06-02 1993-12-09 Friedrich Strobel Public address system synchronised for undistorted sound reprodn. - employs buffer storage and delayed transmission of pulse signals from microphone to array of loudspeakers at different distances

Also Published As

Publication number Publication date
SE360538B (en) 1973-09-24
BE727701A (en) 1969-07-30
FR2001114A1 (en) 1969-09-26
GB1259512A (en) 1972-01-05
CA918080A (en) 1973-01-02
ES363113A1 (en) 1970-11-16
NL6801448A (en) 1969-08-05
DE1903661A1 (en) 1969-09-04
AT289227B (en) 1971-04-13

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Legal Events

Date Code Title Description
PL Patent ceased