FR633921A - Improvements in sound transmission and reproduction - Google Patents

Improvements in sound transmission and reproduction

Info

Publication number
FR633921A
FR633921A FR633921DA FR633921A FR 633921 A FR633921 A FR 633921A FR 633921D A FR633921D A FR 633921DA FR 633921 A FR633921 A FR 633921A
Authority
FR
France
Prior art keywords
reproduction
sound transmission
sound
transmission
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marconis Wireless Telegraph Co Ltd
Original Assignee
Marconis Wireless Telegraph 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 Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR633921A publication Critical patent/FR633921A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00Acoustics not otherwise provided for
    • G10K15/08Arrangements for producing a reverberation or echo sound
    • G10K15/10Arrangements for producing a reverberation or echo sound using time-delay networks comprising electromechanical or electro-acoustic devices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR633921D 1926-05-13 1927-04-19 Improvements in sound transmission and reproduction Expired FR633921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB633921X 1926-05-13

Publications (1)

Publication Number Publication Date
FR633921A true FR633921A (en) 1928-02-06

Family

ID=10488977

Family Applications (1)

Application Number Title Priority Date Filing Date
FR633921D Expired FR633921A (en) 1926-05-13 1927-04-19 Improvements in sound transmission and reproduction

Country Status (1)

Country Link
FR (1) FR633921A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468270A1 (en) * 1979-10-16 1981-04-30 Bolin Gustav METHOD FOR IMPROVING THE ACOUSTICS OF A ROOM

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468270A1 (en) * 1979-10-16 1981-04-30 Bolin Gustav METHOD FOR IMPROVING THE ACOUSTICS OF A ROOM

Similar Documents

Publication Publication Date Title
FR633921A (en) Improvements in sound transmission and reproduction
FR647734A (en) Improvements in sound reproduction in talking cinematographs
FR616738A (en) Loud speaker
FR716085A (en) Improvements in sound recording and reproduction
FR645623A (en) Improvements in sound recording and reproduction devices
FR714910A (en) Improvements in the electrical reproduction of sound
FR577563A (en) Improvements in sound transmission and reproduction devices
FR32220E (en) Loud speaker
FR684630A (en) Improvements in sound recording and reproduction
FR688288A (en) Improvements in sound reproduction mechanisms
FR714909A (en) Improvements in the electrical reproduction of sound
FR664693A (en) Sound reproducer
FR620936A (en) Toothpicks and nailpicks
FR618037A (en) Improvements to devices transmitting and reproducing sound
FR617464A (en) Loud speaker
FR647892A (en) Electro-magnetic sound reproducer
GR2910B (en) SOUND PLAX (PHONOGRAPH DISC) AND METHOD MADE IT.
FR648307A (en) Acoustic case for amplifiers and sound recorders
FR696354A (en) Improvement in combined sound and cinematographic recordings
FR679871A (en) Loudspeaker enhancements
FR36028E (en) Loudspeaker enhancements
FR682427A (en) Loudspeaker enhancements
FR719856A (en) Improvements in sound reproduction
FR712628A (en) Improvements in sound reproduction
FR590822A (en) Further training in the manufacture of telegraph and telephone cables