DE3881068T2 - Lautsprechertreiber. - Google Patents

Lautsprechertreiber.

Info

Publication number
DE3881068T2
DE3881068T2 DE88300843T DE3881068T DE3881068T2 DE 3881068 T2 DE3881068 T2 DE 3881068T2 DE 88300843 T DE88300843 T DE 88300843T DE 3881068 T DE3881068 T DE 3881068T DE 3881068 T2 DE3881068 T2 DE 3881068T2
Authority
DE
Germany
Prior art keywords
speaker drivers
drivers
speaker
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 - Fee Related
Application number
DE88300843T
Other languages
English (en)
Other versions
DE3881068D1 (de
Inventor
Koji Yamasaki
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of DE3881068D1 publication Critical patent/DE3881068D1/de
Application granted granted Critical
Publication of DE3881068T2 publication Critical patent/DE3881068T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Circuits Of Receivers In General (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Manipulation Of Pulses (AREA)
DE88300843T 1987-02-05 1988-02-02 Lautsprechertreiber. Expired - Fee Related DE3881068T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62025210A JPH0666708B2 (ja) 1987-02-05 1987-02-05 スピ−カ駆動回路

Publications (2)

Publication Number Publication Date
DE3881068D1 DE3881068D1 (de) 1993-06-24
DE3881068T2 true DE3881068T2 (de) 1993-12-02

Family

ID=12159594

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88300843T Expired - Fee Related DE3881068T2 (de) 1987-02-05 1988-02-02 Lautsprechertreiber.

Country Status (6)

Country Link
US (1) US5151680A (de)
EP (1) EP0277798B1 (de)
JP (1) JPH0666708B2 (de)
AU (1) AU599203B2 (de)
CA (1) CA1305527C (de)
DE (1) DE3881068T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0164363B1 (ko) * 1995-12-29 1999-02-01 김광호 무선호출기에서 경보음 발생회로
US6859076B2 (en) * 2002-09-10 2005-02-22 Futoshi Fujiwara Combination triangular waveform generator and triangular to pseudo-sinusoidal waveform converter circuit
JP4756677B2 (ja) * 2004-09-27 2011-08-24 株式会社不二越 ブローチ
US7870410B2 (en) * 2007-11-13 2011-01-11 Sony Ericsson Mobile Communications Ab Automatic reduced audio low battery warning
JP2016156583A (ja) * 2015-02-25 2016-09-01 株式会社ノーリツ 電池式加熱装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054869A (en) * 1975-11-05 1977-10-18 Carson Manufacturing Company Signal switching circuit for multiple sound siren system
DE2726367C2 (de) * 1977-06-10 1984-12-13 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur Regelung der Stromentnahme aus einer elektrischen Batterie
US4183020A (en) * 1977-09-19 1980-01-08 Rca Corporation Amplifier with field effect and bipolar transistors
US4308609A (en) * 1979-12-04 1981-12-29 Casio Computer Co., Ltd. Power supply device with voltage dropping means
US4531237A (en) * 1980-05-14 1985-07-23 Bar On Yair Energy conservation circuit for standby operation
JPS6241470Y2 (de) * 1980-07-31 1987-10-23
JPH0215418Y2 (de) * 1981-01-20 1990-04-25
JPS5812444A (ja) * 1981-07-14 1983-01-24 Nec Corp 無線選択呼出受信機
JPS58182332A (ja) * 1982-04-19 1983-10-25 Nec Corp 選択呼出し受信機のバツテリ・セ−ビング装置
US4590618A (en) * 1984-03-13 1986-05-20 Motorola, Inc. Receiver having reference voltage stabilization circuitry
GB2163614A (en) * 1984-08-22 1986-02-26 Philips Electronic Associated Battery economising circuit
US4755816A (en) * 1986-10-29 1988-07-05 Motorola Inc. Battery saving method for a selective call radio paging receiver

Also Published As

Publication number Publication date
CA1305527C (en) 1992-07-21
DE3881068D1 (de) 1993-06-24
JPS63193618A (ja) 1988-08-10
EP0277798A2 (de) 1988-08-10
US5151680A (en) 1992-09-29
EP0277798A3 (en) 1990-06-27
AU1127288A (en) 1988-08-11
AU599203B2 (en) 1990-07-12
JPH0666708B2 (ja) 1994-08-24
EP0277798B1 (de) 1993-05-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee