NO802295L - Koblingsanordning til paastyring av en signalhoeyttaler - Google Patents

Koblingsanordning til paastyring av en signalhoeyttaler

Info

Publication number
NO802295L
NO802295L NO802295A NO802295A NO802295L NO 802295 L NO802295 L NO 802295L NO 802295 A NO802295 A NO 802295A NO 802295 A NO802295 A NO 802295A NO 802295 L NO802295 L NO 802295L
Authority
NO
Norway
Prior art keywords
connector
control
signal speaker
speaker
signal
Prior art date
Application number
NO802295A
Other languages
English (en)
Inventor
Henrich 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 NO802295L publication Critical patent/NO802295L/no

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)
NO802295A 1979-08-02 1980-07-30 Koblingsanordning til paastyring av en signalhoeyttaler NO802295L (no)

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 (1)

Publication Number Publication Date
NO802295L true NO802295L (no) 1981-02-03

Family

ID=6077496

Family Applications (1)

Application Number Title Priority Date Filing Date
NO802295A NO802295L (no) 1979-08-02 1980-07-30 Koblingsanordning til paastyring av en signalhoeyttaler

Country Status (8)

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

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
PT71642A (de) 1980-09-01
PT71642B (de) 1981-06-26
YU191380A (en) 1983-09-30
DE2931437B1 (de) 1980-12-11
DK332580A (da) 1981-02-03
FI802425A (fi) 1981-02-03
DE2931437C2 (de) 1981-09-24
ES8104699A1 (es) 1981-04-01
ES493896A0 (es) 1981-04-01
EP0023697A1 (de) 1981-02-11

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