GB2207530B - Improvements relating to pendulums - Google Patents

Improvements relating to pendulums

Info

Publication number
GB2207530B
GB2207530B GB8815134A GB8815134A GB2207530B GB 2207530 B GB2207530 B GB 2207530B GB 8815134 A GB8815134 A GB 8815134A GB 8815134 A GB8815134 A GB 8815134A GB 2207530 B GB2207530 B GB 2207530B
Authority
GB
United Kingdom
Prior art keywords
pendulums
improvements relating
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 - Lifetime
Application number
GB8815134A
Other versions
GB2207530A (en
GB8815134D0 (en
Inventor
Peter Barnard Wills
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 GB8815134D0 publication Critical patent/GB8815134D0/en
Publication of GB2207530A publication Critical patent/GB2207530A/en
Application granted granted Critical
Publication of GB2207530B publication Critical patent/GB2207530B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/02—Oscillators acting by gravity, e.g. pendulum swinging in a plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Toys (AREA)
GB8815134A 1987-06-24 1988-06-24 Improvements relating to pendulums Expired - Lifetime GB2207530B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878714771A GB8714771D0 (en) 1987-06-24 1987-06-24 Pendulums

Publications (3)

Publication Number Publication Date
GB8815134D0 GB8815134D0 (en) 1988-08-03
GB2207530A GB2207530A (en) 1989-02-01
GB2207530B true GB2207530B (en) 1990-12-12

Family

ID=10619462

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878714771A Pending GB8714771D0 (en) 1987-06-24 1987-06-24 Pendulums
GB8815134A Expired - Lifetime GB2207530B (en) 1987-06-24 1988-06-24 Improvements relating to pendulums

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878714771A Pending GB8714771D0 (en) 1987-06-24 1987-06-24 Pendulums

Country Status (1)

Country Link
GB (2) GB8714771D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4979387A (en) * 1989-07-31 1990-12-25 Dittmar Norman R Pendulum position detector
FR2822970B1 (en) * 2001-03-29 2003-06-27 Michel Bourreau METHOD FOR DRIVING A WATCHMAKING MECHANISM
US20060049001A1 (en) * 2004-09-09 2006-03-09 Mark Streitman Driven pendulum apparatus and method of operation thereof

Also Published As

Publication number Publication date
GB2207530A (en) 1989-02-01
GB8714771D0 (en) 1987-07-29
GB8815134D0 (en) 1988-08-03

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Legal Events

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

Effective date: 19990624