GB2205433B - Doorbell operated by sound waves - Google Patents

Doorbell operated by sound waves

Info

Publication number
GB2205433B
GB2205433B GB8800854A GB8800854A GB2205433B GB 2205433 B GB2205433 B GB 2205433B GB 8800854 A GB8800854 A GB 8800854A GB 8800854 A GB8800854 A GB 8800854A GB 2205433 B GB2205433 B GB 2205433B
Authority
GB
United Kingdom
Prior art keywords
doorbell
operated
sound waves
waves
sound
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
GB8800854A
Other versions
GB8800854D0 (en
GB2205433A (en
Inventor
Shree Prakash Korde
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
Publication of GB8800854D0 publication Critical patent/GB8800854D0/en
Publication of GB2205433A publication Critical patent/GB2205433A/en
Application granted granted Critical
Publication of GB2205433B publication Critical patent/GB2205433B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
    • G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal
    • 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
    • G10K1/08—Details or accessories of general applicability

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transmitters (AREA)
GB8800854A 1987-06-02 1988-01-14 Doorbell operated by sound waves Expired - Lifetime GB2205433B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878712850A GB8712850D0 (en) 1987-06-02 1987-06-02 Door bell

Publications (3)

Publication Number Publication Date
GB8800854D0 GB8800854D0 (en) 1988-02-17
GB2205433A GB2205433A (en) 1988-12-07
GB2205433B true GB2205433B (en) 1991-09-25

Family

ID=10618237

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878712850A Pending GB8712850D0 (en) 1987-06-02 1987-06-02 Door bell
GB8800854A Expired - Lifetime GB2205433B (en) 1987-06-02 1988-01-14 Doorbell operated by sound waves

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878712850A Pending GB8712850D0 (en) 1987-06-02 1987-06-02 Door bell

Country Status (1)

Country Link
GB (2) GB8712850D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248132B (en) * 1990-09-21 1995-02-15 Thomas Robert Meek Cordless doorchime
DE29515679U1 (en) * 1995-10-02 1995-12-07 Heinrich Kopp Ag, 63796 Kahl Electric house call system
US6775523B2 (en) * 2002-01-03 2004-08-10 Desa Ip, Llc Wireless transmitter and doorbell system
US6992591B2 (en) * 2002-02-15 2006-01-31 Jenesis International Inc. Marker lights for wireless doorbell transmitters and other devices

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2489022A1 (en) * 1980-08-20 1982-02-26 Pain Genevieve Radio operated bell-push - has miniature battery-operated transmitter controlled by pushbutton and remote receiver
US4523193A (en) * 1983-11-21 1985-06-11 Levinson Samuel H Remote-controlled doorbell signal receiver
FR2584215A1 (en) * 1985-06-27 1987-01-02 Krampner Roger Ringing device remotely controlled by a radio transmitter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2489022A1 (en) * 1980-08-20 1982-02-26 Pain Genevieve Radio operated bell-push - has miniature battery-operated transmitter controlled by pushbutton and remote receiver
US4523193A (en) * 1983-11-21 1985-06-11 Levinson Samuel H Remote-controlled doorbell signal receiver
FR2584215A1 (en) * 1985-06-27 1987-01-02 Krampner Roger Ringing device remotely controlled by a radio transmitter

Also Published As

Publication number Publication date
GB8712850D0 (en) 1987-07-08
GB8800854D0 (en) 1988-02-17
GB2205433A (en) 1988-12-07

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Legal Events

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

Effective date: 19930114