ES493896A0 - Dispositivo de conexion para el accionamiento de un altavoz de senal - Google Patents

Dispositivo de conexion para el accionamiento de un altavoz de senal

Info

Publication number
ES493896A0
ES493896A0 ES493896A ES493896A ES493896A0 ES 493896 A0 ES493896 A0 ES 493896A0 ES 493896 A ES493896 A ES 493896A ES 493896 A ES493896 A ES 493896A ES 493896 A0 ES493896 A0 ES 493896A0
Authority
ES
Spain
Prior art keywords
connection device
signal speaker
speaker
signal
connection
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.)
Granted
Application number
ES493896A
Other languages
English (en)
Other versions
ES8104699A1 (es
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens 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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of ES8104699A1 publication Critical patent/ES8104699A1/es
Publication of ES493896A0 publication Critical patent/ES493896A0/es
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems, e.g. audible personal calling systems
    • G08B3/10—Audible signalling systems, e.g. 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)
ES493896A 1979-08-02 1980-07-31 Dispositivo de conexion para el accionamiento de un altavoz de senal Granted ES493896A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2931437A DE2931437C2 (de) 1979-08-02 1979-08-02 Schaltungsanordnung zum Ansteuern eines Signallautsprechers

Publications (2)

Publication Number Publication Date
ES8104699A1 ES8104699A1 (es) 1981-04-01
ES493896A0 true ES493896A0 (es) 1981-04-01

Family

ID=6077496

Family Applications (1)

Application Number Title Priority Date Filing Date
ES493896A Granted ES493896A0 (es) 1979-08-02 1980-07-31 Dispositivo de conexion para el accionamiento de un altavoz de senal

Country Status (8)

Country Link
EP (1) EP0023697A1 (es)
DE (1) DE2931437C2 (es)
DK (1) DK332580A (es)
ES (1) ES493896A0 (es)
FI (1) FI802425A7 (es)
NO (1) NO802295L (es)
PT (1) PT71642B (es)
YU (1) YU191380A (es)

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 (de) * 1975-12-03 1977-06-16 Standard Elektrik Lorenz Ag Schaltungsanordnung fuer einen akustischen signalgeber

Also Published As

Publication number Publication date
DE2931437B1 (de) 1980-12-11
ES8104699A1 (es) 1981-04-01
PT71642A (de) 1980-09-01
YU191380A (en) 1983-09-30
EP0023697A1 (de) 1981-02-11
DE2931437C2 (de) 1981-09-24
FI802425A7 (fi) 1981-01-01
PT71642B (de) 1981-06-26
NO802295L (no) 1981-02-03
DK332580A (da) 1981-02-03

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