YU191380A - Circuit arrangement for exciting the signal loudspeaker - Google Patents

Circuit arrangement for exciting the signal loudspeaker

Info

Publication number
YU191380A
YU191380A YU01913/80A YU191380A YU191380A YU 191380 A YU191380 A YU 191380A YU 01913/80 A YU01913/80 A YU 01913/80A YU 191380 A YU191380 A YU 191380A YU 191380 A YU191380 A YU 191380A
Authority
YU
Yugoslavia
Prior art keywords
exciting
circuit arrangement
signal loudspeaker
loudspeaker
signal
Prior art date
Application number
YU01913/80A
Inventor
H Sailer
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of YU191380A publication Critical patent/YU191380A/en

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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • 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)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
YU01913/80A 1979-08-02 1980-07-29 Circuit arrangement for exciting the signal loudspeaker YU191380A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2931437A DE2931437C2 (en) 1979-08-02 1979-08-02 Circuit arrangement for controlling a signal loudspeaker

Publications (1)

Publication Number Publication Date
YU191380A true YU191380A (en) 1983-09-30

Family

ID=6077496

Family Applications (1)

Application Number Title Priority Date Filing Date
YU01913/80A YU191380A (en) 1979-08-02 1980-07-29 Circuit arrangement for exciting the signal loudspeaker

Country Status (8)

Country Link
EP (1) EP0023697A1 (en)
DE (1) DE2931437C2 (en)
DK (1) DK332580A (en)
ES (1) ES493896A0 (en)
FI (1) FI802425A (en)
NO (1) NO802295L (en)
PT (1) PT71642B (en)
YU (1) YU191380A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4797932A (en) * 1987-11-23 1989-01-10 Ncr Corporation Speaker volume control apparatus and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466649A (en) * 1966-03-01 1969-09-09 Gen Alarm Corp Multiple alarm system
US3657568A (en) * 1970-01-05 1972-04-18 Hamilton Watch Co Pulse shaping circuit using complementary mos devices
US3686666A (en) * 1970-05-11 1972-08-22 Xerox Corp Interrupted pulsing circuit for audible signaling
US3675133A (en) * 1971-06-21 1972-07-04 Ibm Apparatus and method independently varying the widths of a plurality of pulses
DE2554219A1 (en) * 1975-12-03 1977-06-16 Standard Elektrik Lorenz Ag CIRCUIT ARRANGEMENT FOR AN ACOUSTIC SIGNAL GENERATOR

Also Published As

Publication number Publication date
PT71642A (en) 1980-09-01
PT71642B (en) 1981-06-26
DE2931437B1 (en) 1980-12-11
DK332580A (en) 1981-02-03
FI802425A (en) 1981-02-03
DE2931437C2 (en) 1981-09-24
NO802295L (en) 1981-02-03
ES8104699A1 (en) 1981-04-01
ES493896A0 (en) 1981-04-01
EP0023697A1 (en) 1981-02-11

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