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

PT71642B - CIRCUIT ARRANGEMENT FOR CONTROLLING A SIGNAL SPEAKER - Google Patents

CIRCUIT ARRANGEMENT FOR CONTROLLING A SIGNAL SPEAKER

Info

Publication number
PT71642B
PT71642B PT71642A PT7164280A PT71642B PT 71642 B PT71642 B PT 71642B PT 71642 A PT71642 A PT 71642A PT 7164280 A PT7164280 A PT 7164280A PT 71642 B PT71642 B PT 71642B
Authority
PT
Portugal
Prior art keywords
controlling
circuit arrangement
signal speaker
speaker
signal
Prior art date
Application number
PT71642A
Other languages
German (de)
Portuguese (pt)
Other versions
PT71642A (en
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 PT71642A publication Critical patent/PT71642A/en
Publication of PT71642B publication Critical patent/PT71642B/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)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
PT71642A 1979-08-02 1980-08-01 CIRCUIT ARRANGEMENT FOR CONTROLLING A SIGNAL SPEAKER PT71642B (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 (2)

Publication Number Publication Date
PT71642A PT71642A (en) 1980-09-01
PT71642B true PT71642B (en) 1981-06-26

Family

ID=6077496

Family Applications (1)

Application Number Title Priority Date Filing Date
PT71642A PT71642B (en) 1979-08-02 1980-08-01 CIRCUIT ARRANGEMENT FOR CONTROLLING A SIGNAL SPEAKER

Country Status (8)

Country Link
EP (1) EP0023697A1 (en)
DE (1) DE2931437C2 (en)
DK (1) DK332580A (en)
ES (1) ES8104699A1 (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
NO802295L (en) 1981-02-03
DE2931437C2 (en) 1981-09-24
YU191380A (en) 1983-09-30
ES493896A0 (en) 1981-04-01
DE2931437B1 (en) 1980-12-11
DK332580A (en) 1981-02-03
ES8104699A1 (en) 1981-04-01
FI802425A (en) 1981-02-03
PT71642A (en) 1980-09-01
EP0023697A1 (en) 1981-02-11

Similar Documents

Publication Publication Date Title
IT1063687B (en) MAGNETORESISTIVE TRANSDUCER FOR FEZIONATO
IT1075854B (en) MAGNETORESISTIVE TRANSDUCER FOR FEZIONATO
ATA295281A (en) CIRCUIT ARRANGEMENT FOR CONTROLLING THE PHASE OF A SENSING SIGNAL
BE856768A (en) ACOUSTIC TRANSFORMER FOR PAVILION SPEAKERS
AT370550B (en) DEVICE FOR CUTTING DIGITAL SIGNALS
SE7808653L (en) PNEUMATIC DECK
ATA516078A (en) CIRCUIT ARRANGEMENT FOR REPLAYING A SIGNAL FROM A MOVING RECORDERING MEDIUM
JPS5358704A (en) Device for amplifying acoustic signal
AT378458B (en) DEVICE FOR RECORDING A VIDEO SIGNAL
FR2379220B1 (en) CORNET SPEAKER
AT373415B (en) DEVICE FOR EDITING DIGITAL SIGNALS
ATA450776A (en) CONTROL CIRCUIT ARRANGEMENT FOR GENERATING A PERIODIC IMPULSE-SHAPED CONTROL SIGNAL
DK119677A (en) SIGNAL PROCESSING CIRCUIT FOR A COUPLER CONTROLLED VERTICAL DEFECTION CIRCUIT
BE870044A (en) SORTING MACHINE FOR REPRODUCTION
SE7810151L (en) ACOUSTIC SIGNAL GENERATOR FOR MARINA ENDAMAL
SE7807771L (en) CONTROLS FOR A TYRISTOR
JPS52124323A (en) Circuit for protecting speaker
AT371302B (en) CIRCUIT ARRANGEMENT FOR PROCESSING A PERIODIC SIGNAL
ES488449A0 (en) A PERFECT AMPLIFIER DEVICE
SE419272B (en) FOR DAMAGE ENDAMAL Dedicated Board
DK404878A (en) CONTROL CIRCUIT FOR WELDING MACHINE
CH607819A5 (en) Apparatus for dewatering a suspension
PT71642A (en) CIRCUIT ARRANGEMENT FOR CONTROLLING A SIGNAL SPEAKER
AT386911B (en) CIRCUIT ARRANGEMENT FOR MODIFYING THE DYNAMIC RANGE
SE7907133L (en) DEVICE FOR MOUNTING PNEUMATIC DECK