DE2508386A1 - Akustische alarmanlage - Google Patents

Akustische alarmanlage

Info

Publication number
DE2508386A1
DE2508386A1 DE19752508386 DE2508386A DE2508386A1 DE 2508386 A1 DE2508386 A1 DE 2508386A1 DE 19752508386 DE19752508386 DE 19752508386 DE 2508386 A DE2508386 A DE 2508386A DE 2508386 A1 DE2508386 A1 DE 2508386A1
Authority
DE
Germany
Prior art keywords
resistor
connection
alarm system
input
nand gate
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.)
Withdrawn
Application number
DE19752508386
Other languages
German (de)
English (en)
Inventor
Thomas Wakefield Birt
James Davis Pirtle
Louis Pierre Sweany
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.)
Duracell Inc USA
Original Assignee
PR Mallory and Co Inc
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 PR Mallory and Co Inc filed Critical PR Mallory and Co Inc
Publication of DE2508386A1 publication Critical patent/DE2508386A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00—Arrangement or adaptation of acoustic signal devices
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S331/00—Oscillators
    • Y10S331/03—Logic gate active element oscillator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Lock And Its Accessories (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
DE19752508386 1974-03-04 1975-02-26 Akustische alarmanlage Withdrawn DE2508386A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US447861A US3922672A (en) 1974-03-04 1974-03-04 Audible alarm device

Publications (1)

Publication Number Publication Date
DE2508386A1 true DE2508386A1 (de) 1975-09-11

Family

ID=23778034

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752508386 Withdrawn DE2508386A1 (de) 1974-03-04 1975-02-26 Akustische alarmanlage

Country Status (9)

Country Link
US (1) US3922672A (enrdf_load_stackoverflow)
JP (1) JPS50126197A (enrdf_load_stackoverflow)
BR (1) BR7501189A (enrdf_load_stackoverflow)
CA (1) CA1039824A (enrdf_load_stackoverflow)
DE (1) DE2508386A1 (enrdf_load_stackoverflow)
FR (1) FR2263565B1 (enrdf_load_stackoverflow)
GB (1) GB1498497A (enrdf_load_stackoverflow)
IT (1) IT1030142B (enrdf_load_stackoverflow)
SE (1) SE411804B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361709A1 (fr) * 1976-08-11 1978-03-10 Ward Goldstone Ltd Generateur acoustique
DE4114535A1 (de) * 1990-05-07 1991-12-12 Wheelock Inc Schnittstelle fuer ein ueberwachtes akustisches warnsystem mit mehrfach-eingaengen

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104628A (en) * 1976-10-15 1978-08-01 P.R. Mallory & Co. Inc. High output audible alarm device utilizing a piezoelectric transducer and voltage doubling means
US4198626A (en) * 1977-09-02 1980-04-15 Rauscher Frank J Intravenous alarm device
JPS54156630A (en) * 1978-05-31 1979-12-10 Olympus Optical Co Ltd Camera having operation display means of automatic dimmer type strobe
US4225856A (en) * 1978-10-27 1980-09-30 Emhart Industries, Inc. Circuit means for providing multiple audible signals from an audible tone generator means
US4255745A (en) * 1979-04-18 1981-03-10 Rohan Joseph J Apparatus for audible altering of enclosure opening
DE2937922A1 (de) * 1979-09-19 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Piezoelektrischer wandler
US4303908A (en) * 1980-06-03 1981-12-01 American District Telegraph Company Electronic sounder
US4382251A (en) * 1980-09-23 1983-05-03 Casio Computer Co., Ltd. Envelope control device for piezoelectric buzzer
JPS58195331A (ja) * 1982-05-10 1983-11-14 Nippon Soken Inc 来客通話装置
US4558305A (en) * 1982-12-20 1985-12-10 Emhart Industries, Inc. Multiple tone signaling device
GB8329443D0 (en) * 1983-11-03 1983-12-07 Moore A T Hazard warning means for road vehicles
IT1187882B (it) * 1986-01-28 1987-12-23 Fiat Auto Spa Sistema di controllo e segnalazione acustica di condizioni funzionali di un autoveicolo
FR2614709B1 (fr) * 1987-04-29 1989-08-04 Parienti Raoul Discriminateur pour systeme d'alarme
WO1990001221A1 (en) * 1988-07-27 1990-02-08 Gnb Incorporated Monitoring device for electric storage battery and configuration therefor
US5159272A (en) * 1988-07-27 1992-10-27 Gnb Incorporated Monitoring device for electric storage battery and configuration therefor
US5172095A (en) * 1991-11-04 1992-12-15 Scott Terrell L Vehicle deceleration alert system
FR2791620B1 (fr) * 1999-04-02 2001-06-29 Peugeot Citroen Automobiles Sa Systeme d'interface sonore pour vehicule automobile
US6300869B1 (en) 2000-07-14 2001-10-09 Bruce J. White Alarm system and method for vehicle
DE10148303B4 (de) * 2001-09-29 2006-12-14 Dbt Gmbh Verwendung eines Warntongebers
US7656128B2 (en) * 2007-04-12 2010-02-02 Canadus Power Systems, Llc System and method for charging and pulsating batteries
US20100102940A1 (en) 2008-10-23 2010-04-29 Mallory Sonalert Products, Inc. Electronic sound level control in audible signaling devices
US8717173B2 (en) 2010-10-13 2014-05-06 Mary L. Jones Digital disc alarm
US20120286970A1 (en) * 2011-05-13 2012-11-15 GM Global Technology Operations LLC Variable tone horn system
US8797176B1 (en) 2011-12-15 2014-08-05 Mallory Sonalert Products, Inc. Multi-sensory warning device
US9030318B1 (en) 2013-03-15 2015-05-12 Mallory Sonalert Products, Inc. Wireless tandem alarm

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618079A (en) * 1968-06-20 1971-11-02 Sparton Corp Solid state interrupter system
US3810169A (en) * 1969-12-15 1974-05-07 P Locke Electronic siren system
US3686666A (en) * 1970-05-11 1972-08-22 Xerox Corp Interrupted pulsing circuit for audible signaling

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361709A1 (fr) * 1976-08-11 1978-03-10 Ward Goldstone Ltd Generateur acoustique
DE4114535A1 (de) * 1990-05-07 1991-12-12 Wheelock Inc Schnittstelle fuer ein ueberwachtes akustisches warnsystem mit mehrfach-eingaengen
US5293155A (en) * 1990-05-07 1994-03-08 Wheelock Inc. Interface for a supervised multi-input audible warning system

Also Published As

Publication number Publication date
CA1039824A (en) 1978-10-03
US3922672A (en) 1975-11-25
IT1030142B (it) 1979-03-30
JPS50126197A (enrdf_load_stackoverflow) 1975-10-03
BR7501189A (pt) 1975-12-02
SE7501933L (enrdf_load_stackoverflow) 1975-09-05
GB1498497A (en) 1978-01-18
FR2263565A1 (enrdf_load_stackoverflow) 1975-10-03
SE411804B (sv) 1980-02-04
FR2263565B1 (enrdf_load_stackoverflow) 1979-05-25

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination