CA1035978A - Electric buzzer - Google Patents

Electric buzzer

Info

Publication number
CA1035978A
CA1035978A CA241,001A CA241001A CA1035978A CA 1035978 A CA1035978 A CA 1035978A CA 241001 A CA241001 A CA 241001A CA 1035978 A CA1035978 A CA 1035978A
Authority
CA
Canada
Prior art keywords
electric buzzer
buzzer
electric
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
CA241,001A
Other languages
French (fr)
Inventor
Spencer C. Schantz
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1035978A publication Critical patent/CA1035978A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
CA241,001A 1975-02-06 1975-12-03 Electric buzzer Expired CA1035978A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US547411A US3927403A (en) 1975-02-06 1975-02-06 Electric buzzer

Publications (1)

Publication Number Publication Date
CA1035978A true CA1035978A (en) 1978-08-08

Family

ID=24184553

Family Applications (1)

Application Number Title Priority Date Filing Date
CA241,001A Expired CA1035978A (en) 1975-02-06 1975-12-03 Electric buzzer

Country Status (2)

Country Link
US (1) US3927403A (en)
CA (1) CA1035978A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4654637A (en) * 1982-07-01 1987-03-31 Schantz Spencer C Buzzer with adjustable volume level
US5841343A (en) * 1995-08-15 1998-11-24 U.S. Controls Corporation Buzzer with rotary volume adjustment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2683871A (en) * 1951-08-08 1954-07-13 Edwards Company Inc Electrical signal device mounting and installation

Also Published As

Publication number Publication date
US3927403A (en) 1975-12-16

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