GB2208254B - Door bell system - Google Patents

Door bell system

Info

Publication number
GB2208254B
GB2208254B GB8717410A GB8717410A GB2208254B GB 2208254 B GB2208254 B GB 2208254B GB 8717410 A GB8717410 A GB 8717410A GB 8717410 A GB8717410 A GB 8717410A GB 2208254 B GB2208254 B GB 2208254B
Authority
GB
United Kingdom
Prior art keywords
door bell
bell system
door
bell
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
GB8717410A
Other versions
GB8717410D0 (en
GB2208254A (en
Inventor
Adrian Edward George Wicks
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
Priority to GB8717410A priority Critical patent/GB2208254B/en
Publication of GB8717410D0 publication Critical patent/GB8717410D0/en
Publication of GB2208254A publication Critical patent/GB2208254A/en
Application granted granted Critical
Publication of GB2208254B publication Critical patent/GB2208254B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
GB8717410A 1987-07-23 1987-07-23 Door bell system Expired - Lifetime GB2208254B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8717410A GB2208254B (en) 1987-07-23 1987-07-23 Door bell system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8717410A GB2208254B (en) 1987-07-23 1987-07-23 Door bell system

Publications (3)

Publication Number Publication Date
GB8717410D0 GB8717410D0 (en) 1987-08-26
GB2208254A GB2208254A (en) 1989-03-15
GB2208254B true GB2208254B (en) 1991-10-16

Family

ID=10621147

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8717410A Expired - Lifetime GB2208254B (en) 1987-07-23 1987-07-23 Door bell system

Country Status (1)

Country Link
GB (1) GB2208254B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5369391A (en) * 1991-12-02 1994-11-29 Gadsby; David E. Sun powered electrically operated chime apparatus
US6376764B1 (en) * 2001-01-05 2002-04-23 Ching-Hsing Luo Solar cell battery replacement unit
GB0908755D0 (en) * 2009-05-21 2009-07-01 Wicks Adrian E G Solar powered digital door bell system
CN103021106A (en) * 2011-09-22 2013-04-03 吉富新能源科技(上海)有限公司 Doorbell with thin film solar battery
CN102999981A (en) * 2012-12-12 2013-03-27 谢忠玉 Button-free electronic doorbell responder using speech recognition technology

Also Published As

Publication number Publication date
GB8717410D0 (en) 1987-08-26
GB2208254A (en) 1989-03-15

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Legal Events

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

Effective date: 19940723