KR930007833U - Piezo speaker - Google Patents

Piezo speaker

Info

Publication number
KR930007833U
KR930007833U KR2019910015184U KR910015184U KR930007833U KR 930007833 U KR930007833 U KR 930007833U KR 2019910015184 U KR2019910015184 U KR 2019910015184U KR 910015184 U KR910015184 U KR 910015184U KR 930007833 U KR930007833 U KR 930007833U
Authority
KR
South Korea
Prior art keywords
piezo speaker
piezo
speaker
Prior art date
Application number
KR2019910015184U
Other languages
Korean (ko)
Other versions
KR930005562Y1 (en
Inventor
임열호
Original Assignee
금성포스타 주식회사
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 금성포스타 주식회사 filed Critical 금성포스타 주식회사
Priority to KR2019910015184U priority Critical patent/KR930005562Y1/en
Publication of KR930007833U publication Critical patent/KR930007833U/en
Application granted granted Critical
Publication of KR930005562Y1 publication Critical patent/KR930005562Y1/en

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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • 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
    • 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
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers
KR2019910015184U 1991-09-17 1991-09-17 Piezo electric speaker KR930005562Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910015184U KR930005562Y1 (en) 1991-09-17 1991-09-17 Piezo electric speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910015184U KR930005562Y1 (en) 1991-09-17 1991-09-17 Piezo electric speaker

Publications (2)

Publication Number Publication Date
KR930007833U true KR930007833U (en) 1993-04-26
KR930005562Y1 KR930005562Y1 (en) 1993-08-23

Family

ID=19319405

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910015184U KR930005562Y1 (en) 1991-09-17 1991-09-17 Piezo electric speaker

Country Status (1)

Country Link
KR (1) KR930005562Y1 (en)

Also Published As

Publication number Publication date
KR930005562Y1 (en) 1993-08-23

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee