CA1039824A - Audible alarm device - Google Patents

Audible alarm device

Info

Publication number
CA1039824A
CA1039824A CA218,911A CA218911A CA1039824A CA 1039824 A CA1039824 A CA 1039824A CA 218911 A CA218911 A CA 218911A CA 1039824 A CA1039824 A CA 1039824A
Authority
CA
Canada
Prior art keywords
input
nand gate
circuit
termination
output
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.)
Expired
Application number
CA218,911A
Other languages
English (en)
French (fr)
Inventor
Louis P. Sweany
James D. Pirtle
Thomas W. Birt
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
Application granted granted Critical
Publication of CA1039824A publication Critical patent/CA1039824A/en
Expired 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)
CA218,911A 1974-03-04 1975-01-29 Audible alarm device Expired CA1039824A (en)

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
CA1039824A true CA1039824A (en) 1978-10-03

Family

ID=23778034

Family Applications (1)

Application Number Title Priority Date Filing Date
CA218,911A Expired CA1039824A (en) 1974-03-04 1975-01-29 Audible alarm device

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)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1087004A (en) * 1976-08-11 1980-10-07 Michael J. Hampshire Sound generator
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
US5293155A (en) * 1990-05-07 1994-03-08 Wheelock Inc. Interface for a supervised multi-input audible warning system
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

Also Published As

Publication number Publication date
DE2508386A1 (de) 1975-09-11
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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