GB558930A - Improvements in and relating to solenoid-operated electric bells - Google Patents

Improvements in and relating to solenoid-operated electric bells

Info

Publication number
GB558930A
GB558930A GB1517342A GB1517342A GB558930A GB 558930 A GB558930 A GB 558930A GB 1517342 A GB1517342 A GB 1517342A GB 1517342 A GB1517342 A GB 1517342A GB 558930 A GB558930 A GB 558930A
Authority
GB
United Kingdom
Prior art keywords
solenoid
plunger
strike
secured
relating
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
GB1517342A
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.)
John Davis and Son Derby Ltd
Original Assignee
John Davis and Son Derby Ltd
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 John Davis and Son Derby Ltd filed Critical John Davis and Son Derby Ltd
Priority to GB1517342A priority Critical patent/GB558930A/en
Publication of GB558930A publication Critical patent/GB558930A/en
Expired legal-status Critical Current

Links

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
    • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
    • G10K1/063—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell
    • G10K1/064—Operating or striking mechanisms therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

558,930. Bells; hooters. DAVIS & SON (DERBY), Ltd., J., and DAWSON, C. Oct. 29, 1942, No. 15173. [Class 13] A solenoid-operated bell, hooter, or buzzer has a permanent magnet d incorporated at one end of the solenoid e so arranged that its flux aids and opposes the flux due to successive alterations of the operating alternating current, thus operating the plunger j with added strength but at a reduced frequency. The plunger is balanced between a pair of opposing springs o, s mounted on opposite sides of an adjustable collar r secured to the plunger. The magnet d, iron plate g and solenoid e are secured by bolts passing through holes in a bracket c and a bridge piece u carrying a plug t in which spring s is mounted. A condenser w is mounted as shown. The member k may strike a gong m, as shown, or may strike or be attached to a diaphragm.
GB1517342A 1942-10-29 1942-10-29 Improvements in and relating to solenoid-operated electric bells Expired GB558930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1517342A GB558930A (en) 1942-10-29 1942-10-29 Improvements in and relating to solenoid-operated electric bells

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1517342A GB558930A (en) 1942-10-29 1942-10-29 Improvements in and relating to solenoid-operated electric bells

Publications (1)

Publication Number Publication Date
GB558930A true GB558930A (en) 1944-01-27

Family

ID=10054308

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1517342A Expired GB558930A (en) 1942-10-29 1942-10-29 Improvements in and relating to solenoid-operated electric bells

Country Status (1)

Country Link
GB (1) GB558930A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1089671B (en) * 1956-08-17 1960-09-22 Rudolf Luedeke AC bell
GB2267775A (en) * 1992-06-11 1993-12-15 Manher Amlani Bell striker mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1089671B (en) * 1956-08-17 1960-09-22 Rudolf Luedeke AC bell
GB2267775A (en) * 1992-06-11 1993-12-15 Manher Amlani Bell striker mechanism

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