JPS57186897A - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
JPS57186897A
JPS57186897A JP7157581A JP7157581A JPS57186897A JP S57186897 A JPS57186897 A JP S57186897A JP 7157581 A JP7157581 A JP 7157581A JP 7157581 A JP7157581 A JP 7157581A JP S57186897 A JPS57186897 A JP S57186897A
Authority
JP
Japan
Prior art keywords
generating
input
bit
parts
driving force
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.)
Pending
Application number
JP7157581A
Other languages
Japanese (ja)
Inventor
Kunihiko Shimada
Hiroyuki Noguchi
Shigeru Kinoshita
Yasuyuki Nakamura
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.)
Pioneer Corp
Original Assignee
Pioneer Corp
Pioneer Electronic Corp
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 Pioneer Corp, Pioneer Electronic Corp filed Critical Pioneer Corp
Priority to JP7157581A priority Critical patent/JPS57186897A/en
Publication of JPS57186897A publication Critical patent/JPS57186897A/en
Pending legal-status Critical Current

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements

Abstract

PURPOSE:To directly convert a parallel digital input signal to an analog acoustic signal, by providing specific number of driving force generating parts sgainst an input of a parallel digital signal input of specific bits, and also operating the generating parts of the number corresponding to weight of each bit. CONSTITUTION:Driving force generating parts 2a-2g for driving a plane diaphragm 1 by generating each equal driving force are provided on the diaphragm 1, the generating part 2a provided in the center part is selectively operated by a state of an input line 3a corresponding to the lowest bit in the input lines 3a- 3c to which a binary parallel digital signal is applied, the generating parts 2b, 2c provided on the upper and lower parts so as to place the generating part 2a between them are selectively operated by a state of an input line 3b corresponding to the second rank bit, and also the generating parts 2d-2g provided 2 pieces each on the right and left so as to place the generating part 2a between them are selectively operated by a state of an input line 3c corresponding to the uppermost bit.
JP7157581A 1981-05-13 1981-05-13 Loudspeaker Pending JPS57186897A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7157581A JPS57186897A (en) 1981-05-13 1981-05-13 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7157581A JPS57186897A (en) 1981-05-13 1981-05-13 Loudspeaker

Publications (1)

Publication Number Publication Date
JPS57186897A true JPS57186897A (en) 1982-11-17

Family

ID=13464629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7157581A Pending JPS57186897A (en) 1981-05-13 1981-05-13 Loudspeaker

Country Status (1)

Country Link
JP (1) JPS57186897A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5995796A (en) * 1982-11-25 1984-06-01 Sony Corp Digital speaker
JPS5995799A (en) * 1982-11-25 1984-06-01 Sony Corp Digital speaker
JPS59188295A (en) * 1983-04-08 1984-10-25 Onkyo Corp Driving system of piezoelectric type electroacoustic transducer
US4612420A (en) * 1983-09-15 1986-09-16 U.S. Philips Corporation Loudspeaker system for converting a digitized electric signal into an acoustic signal
JPH01208100A (en) * 1988-02-15 1989-08-22 Foster Electric Co Ltd System for driving electrodynamic plane driving speaker
JP2015195419A (en) * 2012-08-17 2015-11-05 株式会社プロトロ Electroacoustic conversion device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723387A (en) * 1980-07-17 1982-02-06 Nec Corp Pulse code modulation decoder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723387A (en) * 1980-07-17 1982-02-06 Nec Corp Pulse code modulation decoder

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5995796A (en) * 1982-11-25 1984-06-01 Sony Corp Digital speaker
JPS5995799A (en) * 1982-11-25 1984-06-01 Sony Corp Digital speaker
JPH0550199B2 (en) * 1982-11-25 1993-07-28 Sony Corp
JPH0550198B2 (en) * 1982-11-25 1993-07-28 Sony Corp
JPS59188295A (en) * 1983-04-08 1984-10-25 Onkyo Corp Driving system of piezoelectric type electroacoustic transducer
US4612420A (en) * 1983-09-15 1986-09-16 U.S. Philips Corporation Loudspeaker system for converting a digitized electric signal into an acoustic signal
JPH01208100A (en) * 1988-02-15 1989-08-22 Foster Electric Co Ltd System for driving electrodynamic plane driving speaker
JP2015195419A (en) * 2012-08-17 2015-11-05 株式会社プロトロ Electroacoustic conversion device

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