Nothing Special   »   [go: up one dir, main page]

BR8701340A - ELECTRONIC SPEAKER SYSTEM - Google Patents

ELECTRONIC SPEAKER SYSTEM

Info

Publication number
BR8701340A
BR8701340A BR8701340A BR8701340A BR8701340A BR 8701340 A BR8701340 A BR 8701340A BR 8701340 A BR8701340 A BR 8701340A BR 8701340 A BR8701340 A BR 8701340A BR 8701340 A BR8701340 A BR 8701340A
Authority
BR
Brazil
Prior art keywords
speaker system
electronic speaker
electronic
speaker
Prior art date
Application number
BR8701340A
Other languages
Portuguese (pt)
Inventor
Zong You-Gen
Qian Wei-Guang
Original Assignee
Zong You Gen
Qian Wei Guang
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 Zong You Gen, Qian Wei Guang filed Critical Zong You Gen
Publication of BR8701340A publication Critical patent/BR8701340A/en

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)
  • Circuit For Audible Band Transducer (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
BR8701340A 1986-03-25 1987-03-24 ELECTRONIC SPEAKER SYSTEM BR8701340A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN198686201730U CN86201730U (en) 1986-03-25 1986-03-25 Electron horn with multistage and harmonic sound

Publications (1)

Publication Number Publication Date
BR8701340A true BR8701340A (en) 1987-12-29

Family

ID=4805428

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8701340A BR8701340A (en) 1986-03-25 1987-03-24 ELECTRONIC SPEAKER SYSTEM

Country Status (4)

Country Link
EP (1) EP0239914A3 (en)
JP (1) JPS62272700A (en)
CN (1) CN86201730U (en)
BR (1) BR8701340A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU679145B2 (en) * 1995-09-11 1997-06-19 Sportzwhistle Pty Ltd Electronic whistle
DE69840513D1 (en) * 1997-10-23 2009-03-12 Panasonic Corp SOUND SYSTEM
CN104077862A (en) * 2013-03-29 2014-10-01 北京谊安医疗系统股份有限公司 Medical alarm circuit device and method
JP2020177154A (en) * 2019-04-18 2020-10-29 和宏 長南 Communication system and communication method between vehicles and/or between vehicle and human

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183278A (en) * 1977-10-17 1980-01-15 Lectron Products, Inc. Driver circuit for tone generator
JPS54111816A (en) * 1978-02-22 1979-09-01 Kuniichi Nemoto Imitation sound device
US4284845A (en) * 1979-07-30 1981-08-18 Belcher Claude A Pest eliminator
US4437088A (en) * 1981-11-19 1984-03-13 General Signal Corporation Electrical simulation of percussive bell

Also Published As

Publication number Publication date
EP0239914A3 (en) 1990-10-10
EP0239914A2 (en) 1987-10-07
CN86201730U (en) 1987-01-21
JPS62272700A (en) 1987-11-26

Similar Documents

Publication Publication Date Title
BR8707625A (en) TELE-LINK SYSTEM
BR8704061A (en) SYSTEM
DE3787896D1 (en) ELECTRONIC PARCOMETER SYSTEM.
FI862700A0 (en) Electronic system
DK26889D0 (en) SPEAKER SYSTEM
BR8800180A (en) ELECTRONIC TRIGGER SYSTEM
BR8707882A (en) PO BORRIFATOR SYSTEM
NO174370C (en) Speaker means
BR8701508A (en) ANTI-THEFT SYSTEM
BR8701012A (en) COMMUNICATION SYSTEM
BR8406560A (en) PASSADIC SYSTEM
BR8901979A (en) SPEAKER SYSTEM
BR8701340A (en) ELECTRONIC SPEAKER SYSTEM
BR8801278A (en) MICROCOMPUTER SYSTEM
ATA18886A (en) COMPONENT SYSTEM
ES532674A0 (en) INTERCOM SYSTEM
BR8604162A (en) ALARM SYSTEM
BR8706480A (en) TELEPHONE SYSTEM
BR8605715A (en) SYSTEM OF INDIVIDUAL ELECTRONIC MINUTERIES
BR8703114A (en) INTEGRATED ELECTRONIC SWITCHING SYSTEM
LT2376B (en) DRENAZO SYSTEM
BR8705895A (en) UNDERCARPET SYSTEM
BR8704719A (en) HYDRO-VACUUM SYSTEM
BR8504572A (en) ELECTRONIC ALARM SYSTEM
BR6602554U (en) INSTANT DACTYLOSCOPY SYSTEM