JPH0440920B2 - - Google Patents

Info

Publication number
JPH0440920B2
JPH0440920B2 JP56071245A JP7124581A JPH0440920B2 JP H0440920 B2 JPH0440920 B2 JP H0440920B2 JP 56071245 A JP56071245 A JP 56071245A JP 7124581 A JP7124581 A JP 7124581A JP H0440920 B2 JPH0440920 B2 JP H0440920B2
Authority
JP
Japan
Prior art keywords
signal
coil
speaker
digital
polarity
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 - Lifetime
Application number
JP56071245A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57185793A (en
Inventor
Kyofumi Inanaga
Masaaki Nishimura
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP7124581A priority Critical patent/JPS57185793A/ja
Publication of JPS57185793A publication Critical patent/JPS57185793A/ja
Publication of JPH0440920B2 publication Critical patent/JPH0440920B2/ja
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
JP7124581A 1981-05-12 1981-05-12 Driving system for digital speaker Granted JPS57185793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7124581A JPS57185793A (en) 1981-05-12 1981-05-12 Driving system for digital speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7124581A JPS57185793A (en) 1981-05-12 1981-05-12 Driving system for digital speaker

Publications (2)

Publication Number Publication Date
JPS57185793A JPS57185793A (en) 1982-11-16
JPH0440920B2 true JPH0440920B2 (OSRAM) 1992-07-06

Family

ID=13455112

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7124581A Granted JPS57185793A (en) 1981-05-12 1981-05-12 Driving system for digital speaker

Country Status (1)

Country Link
JP (1) JPS57185793A (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1051888A (ja) * 1996-05-28 1998-02-20 Sony Corp スピーカ装置および音声再生システム
JPH1013986A (ja) * 1996-06-18 1998-01-16 Sony Corp スピーカ装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56131294A (en) * 1980-03-17 1981-10-14 Matsushita Electric Ind Co Ltd Digital speaker system

Also Published As

Publication number Publication date
JPS57185793A (en) 1982-11-16

Similar Documents

Publication Publication Date Title
US5347587A (en) Speaker driving device
AU549187B2 (en) Pulse width modulated voltage converter for generating a preferably sinusoidal alternating voltage
US5909496A (en) Speaker apparatus
US4555797A (en) Hybrid loudspeaker system for converting digital signals to acoustic signals
CA2071592A1 (en) Magnetic head driving circuit
JPH0440920B2 (OSRAM)
EP0720301B1 (en) Three-level digital-to-analog converter for low-power consumption
JPH02250564A (ja) クランプ装置と自動利得制御装置
CA2127834A1 (en) Control System for Power Converter
JPS57186898A (en) Loudspeaker
JPS5948345B2 (ja) 磁気制御装置
US1937602A (en) Reproducing circuit
JPS6110312A (ja) 信号変換回路
JPH0232840B2 (ja) Dejitarushingonyorikudosarerusupiika
JPH06273499A (ja) ディジタルｓｑｕｉｄ
SU1495963A1 (ru) Устройство симметрировани силового трансформатора инвертора
JPH07123061A (ja) オーディオ信号の伝送方法および送受信機
SU535686A1 (ru) Преобразователь тока в посто нный
JPS5934795A (ja) デジタル信号再生装置
EP1263130A2 (en) D-class power amplifier with electric power regeneration function
JPS61256825A (ja) Ｐｗｍ型ｄ／ａ変換装置
JPS5887916A (ja) デジタル・アナログ変換器
JP3098567B2 (ja) スコットトランス
SU980228A1 (ru) Управл емый генератор импульсов
JPS6243241A (ja) リンギング信号発生回路