GB2310332B - Bell circuit - Google Patents

Bell circuit

Info

Publication number
GB2310332B
GB2310332B GB9603305A GB9603305A GB2310332B GB 2310332 B GB2310332 B GB 2310332B GB 9603305 A GB9603305 A GB 9603305A GB 9603305 A GB9603305 A GB 9603305A GB 2310332 B GB2310332 B GB 2310332B
Authority
GB
United Kingdom
Prior art keywords
bell circuit
bell
circuit
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 - Fee Related
Application number
GB9603305A
Other versions
GB9603305D0 (en
GB2310332A (en
Inventor
Harry Brian Sixsmith
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.)
CARADON FRIEDLAND Ltd
Original Assignee
CARADON FRIEDLAND 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 CARADON FRIEDLAND Ltd filed Critical CARADON FRIEDLAND Ltd
Priority to GB9603305A priority Critical patent/GB2310332B/en
Publication of GB9603305D0 publication Critical patent/GB9603305D0/en
Publication of GB2310332A publication Critical patent/GB2310332A/en
Application granted granted Critical
Publication of GB2310332B publication Critical patent/GB2310332B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
    • H02K33/10—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the alternate energisation and de-energisation of the single coil system is effected or controlled by movement of the armatures
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Relay Circuits (AREA)
GB9603305A 1996-02-16 1996-02-16 Bell circuit Expired - Fee Related GB2310332B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9603305A GB2310332B (en) 1996-02-16 1996-02-16 Bell circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9603305A GB2310332B (en) 1996-02-16 1996-02-16 Bell circuit

Publications (3)

Publication Number Publication Date
GB9603305D0 GB9603305D0 (en) 1996-04-17
GB2310332A GB2310332A (en) 1997-08-20
GB2310332B true GB2310332B (en) 2000-03-15

Family

ID=10788895

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9603305A Expired - Fee Related GB2310332B (en) 1996-02-16 1996-02-16 Bell circuit

Country Status (1)

Country Link
GB (1) GB2310332B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2407441B (en) * 2003-10-23 2006-05-03 Matsushita Electric Ind Co Ltd Soft start with low voltage supplies

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122378A (en) * 1976-12-16 1978-10-24 Facet Enterprises, Inc. Solid state switching circuit for an electromagnetic pump
US4335418A (en) * 1980-10-27 1982-06-15 General Signal Corporation Electronic interrupter
GB2173960A (en) * 1985-03-08 1986-10-22 Mitsubishi Electric Corp Electromagnet apparatus with shortened armature release time

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122378A (en) * 1976-12-16 1978-10-24 Facet Enterprises, Inc. Solid state switching circuit for an electromagnetic pump
US4335418A (en) * 1980-10-27 1982-06-15 General Signal Corporation Electronic interrupter
GB2173960A (en) * 1985-03-08 1986-10-22 Mitsubishi Electric Corp Electromagnet apparatus with shortened armature release time

Also Published As

Publication number Publication date
GB9603305D0 (en) 1996-04-17
GB2310332A (en) 1997-08-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000615