FR1085680A - Pavilion for receiving acoustic signals - Google Patents

Pavilion for receiving acoustic signals

Info

Publication number
FR1085680A
FR1085680A FR1085680DA FR1085680A FR 1085680 A FR1085680 A FR 1085680A FR 1085680D A FR1085680D A FR 1085680DA FR 1085680 A FR1085680 A FR 1085680A
Authority
FR
France
Prior art keywords
pavilion
acoustic signals
receiving acoustic
receiving
signals
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of FR1085680A publication Critical patent/FR1085680A/en
Expired legal-status Critical Current

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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR1085680D 1952-12-12 1953-10-27 Pavilion for receiving acoustic signals Expired FR1085680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1085680X 1952-12-12

Publications (1)

Publication Number Publication Date
FR1085680A true FR1085680A (en) 1955-02-04

Family

ID=7721391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1085680D Expired FR1085680A (en) 1952-12-12 1953-10-27 Pavilion for receiving acoustic signals

Country Status (1)

Country Link
FR (1) FR1085680A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171734A (en) * 1977-11-10 1979-10-23 Beta Sound, Incorporated Exponential horn speaker
FR2558290A1 (en) * 1984-01-18 1985-07-19 Trt Telecom Radio Electr Hyperbolic acoustic horn

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171734A (en) * 1977-11-10 1979-10-23 Beta Sound, Incorporated Exponential horn speaker
FR2558290A1 (en) * 1984-01-18 1985-07-19 Trt Telecom Radio Electr Hyperbolic acoustic horn

Similar Documents

Publication Publication Date Title
FR1097084A (en) Semiconductor signal transmitter
FR1075316A (en) Semiconductor device for signal transmission
FR1074061A (en) Signal finder type radio receiver
FR1085680A (en) Pavilion for receiving acoustic signals
CH318083A (en) Regenerative repeater for telegraph signals
FR1063192A (en) Amplifier circuit for electromagnetic scanning signals
FR1053559A (en) Circuitry for transmission of selection signals
FR1069323A (en) Sound vibrator
FR1079780A (en) Radio-electric receiver
FR1071458A (en) Device for frequency comparison
FR1072624A (en) Voice frequency signal transmission circuit
FR996003A (en) Device for producing acoustic signals for toys
NL180695B (en) ELECTROMAGNETIC SIGNAL CONVERTER.
CH332681A (en) Single sideband receiver for voice signals
FR1084831A (en) Frequency changer system
FR1085806A (en) Contactor for intersection signals
CH312794A (en) Signal transmitter
ES32737Y (en) Microphone for acoustic signal receivers
FR1058374A (en) Vehicle aerator
DK89225C (en) Signal receiver.
FR1061480A (en) Acoustic transformation system
AT181295B (en) Device for signal conversion
FR1085019A (en) Audible signals for automobiles
ES31923Y (en) Bell for acoustic bicycle signals
FR1085764A (en) Phonograph pick-up