JPS5299809A - Flat speaker - Google Patents

Flat speaker

Info

Publication number
JPS5299809A
JPS5299809A JP1575976A JP1575976A JPS5299809A JP S5299809 A JPS5299809 A JP S5299809A JP 1575976 A JP1575976 A JP 1575976A JP 1575976 A JP1575976 A JP 1575976A JP S5299809 A JPS5299809 A JP S5299809A
Authority
JP
Japan
Prior art keywords
flat speaker
folds
diaphragm
facilitate
supporting
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.)
Granted
Application number
JP1575976A
Other languages
Japanese (ja)
Other versions
JPS566194B2 (en
Inventor
Toshitaka Sugimoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1575976A priority Critical patent/JPS5299809A/en
Publication of JPS5299809A publication Critical patent/JPS5299809A/en
Publication of JPS566194B2 publication Critical patent/JPS566194B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers

Abstract

PURPOSE:To make oscillations of large amplitude possible and to facilitate the assembly by supporting a diaphragm on an edge with folds.
JP1575976A 1976-02-18 1976-02-18 Flat speaker Granted JPS5299809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1575976A JPS5299809A (en) 1976-02-18 1976-02-18 Flat speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1575976A JPS5299809A (en) 1976-02-18 1976-02-18 Flat speaker

Publications (2)

Publication Number Publication Date
JPS5299809A true JPS5299809A (en) 1977-08-22
JPS566194B2 JPS566194B2 (en) 1981-02-09

Family

ID=11897699

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1575976A Granted JPS5299809A (en) 1976-02-18 1976-02-18 Flat speaker

Country Status (1)

Country Link
JP (1) JPS5299809A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54157618A (en) * 1978-06-01 1979-12-12 Tadashi Sawafuji Electromagnetic acoustic converter
JPS5551578U (en) * 1978-09-30 1980-04-04
JPS5551575U (en) * 1978-09-30 1980-04-04
WO1991017636A1 (en) * 1990-04-30 1991-11-14 Robert Michael Grunberg Improvements in or relating to loudspeakers

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928447A (en) * 1972-07-14 1974-03-13
JPS50113219A (en) * 1974-02-13 1975-09-05

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928447A (en) * 1972-07-14 1974-03-13
JPS50113219A (en) * 1974-02-13 1975-09-05

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54157618A (en) * 1978-06-01 1979-12-12 Tadashi Sawafuji Electromagnetic acoustic converter
JPS5811158B2 (en) * 1978-06-01 1983-03-01 澤藤 正 electromagnetic acoustic transducer
JPS5551578U (en) * 1978-09-30 1980-04-04
JPS5551575U (en) * 1978-09-30 1980-04-04
WO1991017636A1 (en) * 1990-04-30 1991-11-14 Robert Michael Grunberg Improvements in or relating to loudspeakers

Also Published As

Publication number Publication date
JPS566194B2 (en) 1981-02-09

Similar Documents

Publication Publication Date Title
JPS5299809A (en) Flat speaker
JPS5376823A (en) Plane driving type speaker
JPS537203A (en) Damper material
JPS522723A (en) Oscillation plate for speaker
JPS523423A (en) Cone type speaker
JPS5388721A (en) Dynamic electroacoustic converter
JPS528817A (en) Speaker
JPS5230419A (en) Dome-type speaker and device for its making
JPS51147947A (en) Step wave generator
JPS51113727A (en) Loud speaker
JPS53133018A (en) Coaxial type speaker
JPS542715A (en) Speaker cone and production of the same
JPS51131242A (en) Elastic surface wave filter
JPS5337465A (en) Wristwatch with alarm device
JPS5349424A (en) Dome speaker
JPS5298504A (en) Electrostatic capacity type pickup stylus and its production
JPS5223287A (en) Electronic chime
JPS5240322A (en) High frequency
JPS5312A (en) Am receiver
JPS5250152A (en) Vertical oscillation circuit
JPS5298515A (en) Headphone
JPS5437723A (en) Speaker
JPS5378708A (en) Amplifier circuit
JPS5212822A (en) Speaker
JPS52102020A (en) Speaker system