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US1023215A - Electromagnetic sounding apparatus. - Google Patents

Electromagnetic sounding apparatus. Download PDF

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Publication number
US1023215A
US1023215A US57633710A US1910576337A US1023215A US 1023215 A US1023215 A US 1023215A US 57633710 A US57633710 A US 57633710A US 1910576337 A US1910576337 A US 1910576337A US 1023215 A US1023215 A US 1023215A
Authority
US
United States
Prior art keywords
diaphragm
electromagnetic sounding
sounding apparatus
sound
amplifying element
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 - Lifetime
Application number
US57633710A
Inventor
Charles W Mcgonigle
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.)
GEORGE E MILLER
Original Assignee
GEORGE E MILLER
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 GEORGE E MILLER filed Critical GEORGE E MILLER
Priority to US57633710A priority Critical patent/US1023215A/en
Application granted granted Critical
Publication of US1023215A publication Critical patent/US1023215A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means

Definitions

  • a comparatively sound-amplifying element, and being accese' weak current is required to operate the desible for ⁇ adjustment through the open end of 25 vice, and the very high rate of vibration of the sound-amplifying element; the device the diaphragm produces a shrill note of including also an electromagnet rigidly supgreat'carrying power.
  • the 'casing section 5 is provided with a angular post secured to the magnet and probase 25 for securing the device in place, trudin through the dia hragm to over- 30 which may be done by means of bolts orx hang t e forward face o; the diaphragm; any other suitable fastening means 26.
  • the said means consisting of an' adjusting What is claimed is: screw threaded into the post, in front of thc A device ofthe class described comprising diaphragm.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Description

adapted for automobiles, motor boats, electhe diaphragm, said means being located to tric railways, or' any other apparatus rethe front of the diaphragm, within the?,k
quiring an audible signal. A comparatively sound-amplifying element, and being accese' weak current is required to operate the desible for`adjustment through the open end of 25 vice, and the very high rate of vibration of the sound-amplifying element; the device the diaphragm produces a shrill note of including also an electromagnet rigidly supgreat'carrying power. ported to the rear of the diaphragm; an The 'casing section 5 is provided with a angular post secured to the magnet and probase 25 for securing the device in place, trudin through the dia hragm to over- 30 which may be done by means of bolts orx hang t e forward face o; the diaphragm; any other suitable fastening means 26. the said means consisting of an' adjusting What is claimed is: screw threaded into the post, in front of thc A device ofthe class described comprising diaphragm. a Haring sound-amplifying element, the In testimony that I claim the foregoing 35 inner sur ace of which is continuous and unas my own, I have hereto aiixed my signa? broken; a diaphragm lcated at the smaller ture in the presence of two witnesses. end of the sound-am Ii ying element; and a means for adjustingp the pulsations of the CHARLES W MCGONIGLE' diaphragm, which means is spaced from the Witnesses: sound-amplifying element and supported J. A. WESTERGREW, independently of the vibrating portion of H. B. HAGER. 4
US57633710A 1910-08-09 1910-08-09 Electromagnetic sounding apparatus. Expired - Lifetime US1023215A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US57633710A US1023215A (en) 1910-08-09 1910-08-09 Electromagnetic sounding apparatus.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57633710A US1023215A (en) 1910-08-09 1910-08-09 Electromagnetic sounding apparatus.

Publications (1)

Publication Number Publication Date
US1023215A true US1023215A (en) 1912-04-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
US57633710A Expired - Lifetime US1023215A (en) 1910-08-09 1910-08-09 Electromagnetic sounding apparatus.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645768A (en) * 1949-08-24 1953-07-14 Santino Louis Sound generating device
US2994078A (en) * 1959-01-09 1961-07-25 George S Uchihara Engine noise simulator
US5894264A (en) * 1997-07-18 1999-04-13 Caterpillar Inc. Apparatus for generating an audible tone

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645768A (en) * 1949-08-24 1953-07-14 Santino Louis Sound generating device
US2994078A (en) * 1959-01-09 1961-07-25 George S Uchihara Engine noise simulator
US5894264A (en) * 1997-07-18 1999-04-13 Caterpillar Inc. Apparatus for generating an audible tone

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